3f88ff597b6e4bb832a6b74cb92ffb251d6ea7ee51988923df9cd4125f14f1ce

Analysis

max time kernel
150s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 10:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
Size

826KB
MD5

a23030195cbf2282d4e3271920ac9469
SHA1

0d70f78b7f41cc97ab49f63fe3d106bd40a40c48
SHA256

3f88ff597b6e4bb832a6b74cb92ffb251d6ea7ee51988923df9cd4125f14f1ce
SHA512

7db0412bcf18602ccfc5e35cf14a01760d66f76445d26ea866db395b6c23c4c4018645ad1d413cd48a2693fa30421d365ff8ed114a46d172aa270e0206aedd80
SSDEEP

12288:ySmMLSukLKmBEDeeGxPTvz+rCd5SyHZNBvHY1ajt7p2T3bFdsxKig5WvyUu2X:ykLSuwKvkP7y2dbka57k3b7sxKZ5Wv4Y

Score

10^/10

discovery persistence 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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe,"	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3064-0-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3064-6-0x0000000000400000-0x0000000000461000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sdra64.exe	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 3064 wrote to memory of 2252	3064	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	85
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5
PID 2252 wrote to memory of 612	2252	a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe	5

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a23030195cbf2282d4e3271920ac9469_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/612-48-0x000000001C1A0000-0x000000001C1B7000-memory.dmp

Filesize
92KB

Download
memory/612-53-0x000000001C1C0000-0x000000001C1D7000-memory.dmp

Filesize
92KB

Download
memory/612-33-0x000000001C140000-0x000000001C157000-memory.dmp

Filesize
92KB

Download
memory/612-38-0x000000001C160000-0x000000001C177000-memory.dmp

Filesize
92KB

Download
memory/612-28-0x000000001C120000-0x000000001C137000-memory.dmp

Filesize
92KB

Download
memory/612-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/612-18-0x000000001C0E0000-0x000000001C0F7000-memory.dmp

Filesize
92KB

Download
memory/612-24-0x000000001C100000-0x000000001C117000-memory.dmp

Filesize
92KB

Download
memory/612-73-0x000000001C240000-0x000000001C257000-memory.dmp

Filesize
92KB

Download
memory/612-68-0x000000001C220000-0x000000001C237000-memory.dmp

Filesize
92KB

Download
memory/612-63-0x000000001C200000-0x000000001C217000-memory.dmp

Filesize
92KB

Download
memory/612-46-0x000000001C180000-0x000000001C197000-memory.dmp

Filesize
92KB

Download
memory/612-58-0x000000001C1E0000-0x000000001C1F7000-memory.dmp

Filesize
92KB

Download
memory/2252-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2252-5-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2252-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3064-0-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/3064-6-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download