35f5b6956bc694d5ccf995c98b77ed46f0bed63cdaf50a968e33f097c003a754

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28/06/2024, 03:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
Size

556KB
MD5

18a03fb1720ae75aa9d4b549f137a2ff
SHA1

6b58c7f50c0ae76c89a21a9de36c5e0a722dbcb2
SHA256

35f5b6956bc694d5ccf995c98b77ed46f0bed63cdaf50a968e33f097c003a754
SHA512

1314528e346f59536cdf701362c5008f537c2d562e0d768a647415c97f0f39c6691fb584dbb879fe192db33879db2e972e5c6b28df258164aeb5e4227bda711b
SSDEEP

12288:Z7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:Z7L1yMgcnOds44Fp2PWUDI8

Score

10^/10

evasion persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\a3ebad21\\X"	Explorer.EXE

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	leeepar.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NB4wr66jY4.exe

Deletes itself 1 IoCs

pid	Process
3032	cmd.exe

Executes dropped EXE 11 IoCs

pid	Process
1244	NB4wr66jY4.exe
2556	leeepar.exe
2804	2xek.exe
2484	2xek.exe
2536	2xek.exe
2444	2xek.exe
2568	2xek.exe
2060	2xek.exe
2240	3xek.exe
336	csrss.exe
2212	X

Loads dropped DLL 10 IoCs

pid	Process
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
1244	NB4wr66jY4.exe
1244	NB4wr66jY4.exe
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
2240	3xek.exe
2240	3xek.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 26 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2568-68-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2536-80-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2060-76-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2060-74-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2568-71-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2568-70-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2568-64-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2568-62-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2536-48-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2536-45-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2536-43-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2060-89-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2060-92-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2060-88-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2444-87-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2444-86-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2444-59-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2536-57-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2444-55-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2060-84-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2444-53-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2568-82-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2444-81-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2536-50-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2536-144-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2444-145-0x0000000000400000-0x0000000000455000-memory.dmp	upx

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	31.193.3.240
Destination IP	31.193.3.240
Destination IP	31.193.3.240
Destination IP	31.193.3.240
Destination IP	31.193.3.240

Adds Run key to start application 2 TTPs 53 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /E"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /J"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /q"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /p"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /v"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /A"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /N"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /Z"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /w"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /z"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /t"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /a"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /c"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /P"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /m"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /f"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /B"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /I"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /R"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /i"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /U"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /j"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /r"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /L"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /b"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /y"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /x"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /F"	NB4wr66jY4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /C"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /V"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /e"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /g"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /D"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /d"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /X"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /Q"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /Y"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /h"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /S"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /T"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /l"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /u"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /F"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /G"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /s"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /W"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /n"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /M"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /H"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /K"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /o"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /k"	leeepar.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\leeepar = "C:\\Users\\Admin\\leeepar.exe /O"	leeepar.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2xek.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	2xek.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2484	2804	2xek.exe	34
PID 2804 set thread context of 2536	2804	2xek.exe	35
PID 2804 set thread context of 2444	2804	2xek.exe	36
PID 2804 set thread context of 2568	2804	2xek.exe	37
PID 2804 set thread context of 2060	2804	2xek.exe	38
PID 2240 set thread context of 1036	2240	3xek.exe	43

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery

T1057

pid	Process
2840	tasklist.exe
2572	tasklist.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{99d144a9-1252-7ece-38c3-a14db5aabc7e}\cid = "8669162593265447565"	3xek.exe
Key created	\registry\machine\Software\Classes\Interface\{99d144a9-1252-7ece-38c3-a14db5aabc7e}	3xek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{99d144a9-1252-7ece-38c3-a14db5aabc7e}\u = "188"	3xek.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1244	NB4wr66jY4.exe
1244	NB4wr66jY4.exe
2536	2xek.exe
2240	3xek.exe
2240	3xek.exe
2240	3xek.exe
2240	3xek.exe
2212	X
2556	leeepar.exe
2556	leeepar.exe
2536	2xek.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe
2556	leeepar.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	tasklist.exe
Token: SeDebugPrivilege	2240	3xek.exe
Token: SeDebugPrivilege	2240	3xek.exe
Token: SeDebugPrivilege	2840	tasklist.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
1244	NB4wr66jY4.exe
2556	leeepar.exe
2804	2xek.exe
2568	2xek.exe
2060	2xek.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
336	csrss.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1244	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	28
PID 2368 wrote to memory of 1244	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	28
PID 2368 wrote to memory of 1244	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	28
PID 2368 wrote to memory of 1244	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	28
PID 1244 wrote to memory of 2556	1244	NB4wr66jY4.exe	29
PID 1244 wrote to memory of 2556	1244	NB4wr66jY4.exe	29
PID 1244 wrote to memory of 2556	1244	NB4wr66jY4.exe	29
PID 1244 wrote to memory of 2556	1244	NB4wr66jY4.exe	29
PID 1244 wrote to memory of 2864	1244	NB4wr66jY4.exe	30
PID 1244 wrote to memory of 2864	1244	NB4wr66jY4.exe	30
PID 1244 wrote to memory of 2864	1244	NB4wr66jY4.exe	30
PID 1244 wrote to memory of 2864	1244	NB4wr66jY4.exe	30
PID 2864 wrote to memory of 2572	2864	cmd.exe	32
PID 2864 wrote to memory of 2572	2864	cmd.exe	32
PID 2864 wrote to memory of 2572	2864	cmd.exe	32
PID 2864 wrote to memory of 2572	2864	cmd.exe	32
PID 2368 wrote to memory of 2804	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	33
PID 2368 wrote to memory of 2804	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	33
PID 2368 wrote to memory of 2804	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	33
PID 2368 wrote to memory of 2804	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	33
PID 2804 wrote to memory of 2484	2804	2xek.exe	34
PID 2804 wrote to memory of 2484	2804	2xek.exe	34
PID 2804 wrote to memory of 2484	2804	2xek.exe	34
PID 2804 wrote to memory of 2484	2804	2xek.exe	34
PID 2804 wrote to memory of 2484	2804	2xek.exe	34
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2536	2804	2xek.exe	35
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2444	2804	2xek.exe	36
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2568	2804	2xek.exe	37
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2804 wrote to memory of 2060	2804	2xek.exe	38
PID 2368 wrote to memory of 2240	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	40
PID 2368 wrote to memory of 2240	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	40
PID 2368 wrote to memory of 2240	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	40
PID 2368 wrote to memory of 2240	2368	18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe	40
PID 2240 wrote to memory of 1224	2240	3xek.exe	21
PID 2240 wrote to memory of 336	2240	3xek.exe	2
PID 2240 wrote to memory of 2212	2240	3xek.exe	41

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:336

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies WinLogon for persistence
PID:1224
- C:\Users\Admin\AppData\Local\Temp\18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Users\Admin\NB4wr66jY4.exe
    C:\Users\Admin\NB4wr66jY4.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1244
  - - C:\Users\Admin\leeepar.exe
      "C:\Users\Admin\leeepar.exe"
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:2556
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2864
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:2572
- - C:\Users\Admin\2xek.exe
    C:\Users\Admin\2xek.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2804
  - - C:\Users\Admin\2xek.exe
      "C:\Users\Admin\2xek.exe"
      4⤵
      Executes dropped EXE
      PID:2484
  - - C:\Users\Admin\2xek.exe
      "C:\Users\Admin\2xek.exe"
      4⤵
      Executes dropped EXE
      Maps connected drives based on registry
      Suspicious behavior: EnumeratesProcesses
      PID:2536
  - - C:\Users\Admin\2xek.exe
      "C:\Users\Admin\2xek.exe"
      4⤵
      Executes dropped EXE
      PID:2444
  - - C:\Users\Admin\2xek.exe
      "C:\Users\Admin\2xek.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      PID:2568
  - - C:\Users\Admin\2xek.exe
      "C:\Users\Admin\2xek.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      PID:2060
- - C:\Users\Admin\3xek.exe
    C:\Users\Admin\3xek.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2240
  - - C:\Users\Admin\AppData\Local\a3ebad21\X
      *0*bc*87b0f28d*31.193.3.240:53
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2212
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      PID:1036
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c tasklist&&del 18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118.exe
    3⤵
    - Deletes itself
    PID:3032
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:2840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1740

C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:1348

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -Embedding
1⤵
PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\system32\consrv.dll

Filesize
29KB

MD5
1149c1bd71248a9d170e4568fb08df30

SHA1
6f77f183d65709901f476c5d6eebaed060a495f9

SHA256
c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

SHA512
9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

Download Submit
\Users\Admin\2xek.exe

Filesize
164KB

MD5
c94ab34868ec4624e1e7e95e234a48ed

SHA1
b419f37f2fabdac6598cf59fbc505de59a51de77

SHA256
9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

SHA512
e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

Download Submit
\Users\Admin\3xek.exe

Filesize
251KB

MD5
2ce19a9f18fc524fe115603b4ad9b9aa

SHA1
30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

SHA256
6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

SHA512
c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

Download Submit
\Users\Admin\AppData\Local\a3ebad21\X

Filesize
38KB

MD5
72de2dadaf875e2fd7614e100419033c

SHA1
5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

SHA256
c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

SHA512
e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

Download Submit
\Users\Admin\NB4wr66jY4.exe

Filesize
224KB

MD5
5f3f430c5d00e2a2e4e1aae0e09078b9

SHA1
48a6be11c16e694c42fa0a0d05783177ba1c4adb

SHA256
b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

SHA512
3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

Download Submit
\Users\Admin\leeepar.exe

Filesize
224KB

MD5
bf607ecdcc34ebb9103735a3f7e5258d

SHA1
9beea009a5263b2603de7d6f03975094c550ae9d

SHA256
5e34e1db739f46d57cabe50760b01cb1da7260b36363716dec50d06e0266fcfd

SHA512
a50c742de45fba4fc404a220f21b2f198b1e8e2270e0387cdd9a0f1d1be1ffbb15047b10108673ea29613c161224ceb90c770005a078cf4059fe637da225c49d

Download Submit
\systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

Filesize
2KB

MD5
6d03845f1d43e10908336ba602894baa

SHA1
e804767710e4c25c01705ca8290cbfc8ebe0ca0c

SHA256
523ee58ceeed3abcbc59b51f745ebfdf3bff774dd9792e3be0f3aeb63e8ab324

SHA512
632a2b6aed9dd21e35db28f131cf1c384eb4c553f3bbe05874ddbe6fa5fa9cbe2548033d420b057cad6d9e93b171c6baa4382194c151164ceb0fb924be29aa2b

Download Submit
memory/336-117-0x0000000002390000-0x000000000239B000-memory.dmp

Filesize
44KB

Download
memory/1224-134-0x0000000002D90000-0x0000000002D9B000-memory.dmp

Filesize
44KB

Download
memory/1224-126-0x0000000002D90000-0x0000000002D9B000-memory.dmp

Filesize
44KB

Download
memory/1224-104-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1224-135-0x0000000002DA0000-0x0000000002DAB000-memory.dmp

Filesize
44KB

Download
memory/1224-112-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1224-108-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1224-130-0x0000000002D90000-0x0000000002D9B000-memory.dmp

Filesize
44KB

Download
memory/1244-28-0x00000000040E0000-0x0000000004B9A000-memory.dmp

Filesize
10.7MB

Download
memory/2060-76-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2060-74-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2060-84-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2060-72-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2060-89-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2060-92-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2060-88-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2444-87-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-59-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-55-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-86-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-53-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-51-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-145-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2444-81-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2484-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-80-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-144-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2536-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2568-70-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2568-71-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2568-64-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2568-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2568-62-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2568-82-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2568-60-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download