6d709ed83e2b24754e163b52686909dcaa73c0976b6b05ee4999336b6e485f65

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 14:11

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General

Target

d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Size

784KB
MD5

d21e33e881197fee45f7546fd3483054
SHA1

1a9bd2a1c5cbead86412a3cbb64298b6bff211db
SHA256

6d709ed83e2b24754e163b52686909dcaa73c0976b6b05ee4999336b6e485f65
SHA512

c33bef40995abad65f0e4beddda3b8093b37a69642870ffb499e232e587bcb268485694bde1941078567204f6bfb185ec09ea3889d7836595b5e5a58ddd75cf8
SSDEEP

12288:oEWHD328xWchurYu1GGfRcGC34e6gdooa:oEoD9xorY9GfRTC34dVoa

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2228	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2824	fservice.exe
2612	services.exe

Loads dropped DLL 6 IoCs

pid	Process
2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
2612	services.exe
2612	services.exe
2824	fservice.exe
2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fservice.exe	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	NET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe
2612	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	services.exe
2612	services.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2824	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	30
PID 2160 wrote to memory of 2824	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	30
PID 2160 wrote to memory of 2824	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	30
PID 2160 wrote to memory of 2824	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	30
PID 2824 wrote to memory of 2612	2824	fservice.exe	31
PID 2824 wrote to memory of 2612	2824	fservice.exe	31
PID 2824 wrote to memory of 2612	2824	fservice.exe	31
PID 2824 wrote to memory of 2612	2824	fservice.exe	31
PID 2612 wrote to memory of 2624	2612	services.exe	32
PID 2612 wrote to memory of 2624	2612	services.exe	32
PID 2612 wrote to memory of 2624	2612	services.exe	32
PID 2612 wrote to memory of 2624	2612	services.exe	32
PID 2612 wrote to memory of 2828	2612	services.exe	33
PID 2612 wrote to memory of 2828	2612	services.exe	33
PID 2612 wrote to memory of 2828	2612	services.exe	33
PID 2612 wrote to memory of 2828	2612	services.exe	33
PID 2624 wrote to memory of 3060	2624	NET.exe	36
PID 2624 wrote to memory of 3060	2624	NET.exe	36
PID 2624 wrote to memory of 3060	2624	NET.exe	36
PID 2624 wrote to memory of 3060	2624	NET.exe	36
PID 2828 wrote to memory of 376	2828	NET.exe	37
PID 2828 wrote to memory of 376	2828	NET.exe	37
PID 2828 wrote to memory of 376	2828	NET.exe	37
PID 2828 wrote to memory of 376	2828	NET.exe	37
PID 2160 wrote to memory of 2228	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	38
PID 2160 wrote to memory of 2228	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	38
PID 2160 wrote to memory of 2228	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	38
PID 2160 wrote to memory of 2228	2160	d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe	38

C:\Users\Admin\AppData\Local\Temp\d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\services.exe
    C:\Windows\services.exe -XP
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Loads dropped DLL
    - Modifies WinLogon
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP srservice
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2624
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3060
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP navapsvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2828
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:376
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\d21e33e881197fee45f7546fd3483054_JaffaCakes118.exe.bat

Filesize
133B

MD5
35a93bdb5802c3784dac8b88f925593f

SHA1
1ebb2a9ad753f4b17924f6983a7998953840d252

SHA256
8540458211e5a5f2bc8d383d639ba0f577f0c1460ce55cccd6b17600c27e4160

SHA512
58dfb0879e4d20608a251e0a32cb6a731e708d3879507cd7f30591e36b95ecb7bb74c7c63af196f23d32159cb3ec8fbd39bc9bbf8c574e5249e61f18dcd7488b

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
d4a3f90e159ffbcbc4f9740de4b7f171

SHA1
0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

SHA256
2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

SHA512
5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

Download Submit
\Windows\SysWOW64\fservice.exe

Filesize
784KB

MD5
d21e33e881197fee45f7546fd3483054

SHA1
1a9bd2a1c5cbead86412a3cbb64298b6bff211db

SHA256
6d709ed83e2b24754e163b52686909dcaa73c0976b6b05ee4999336b6e485f65

SHA512
c33bef40995abad65f0e4beddda3b8093b37a69642870ffb499e232e587bcb268485694bde1941078567204f6bfb185ec09ea3889d7836595b5e5a58ddd75cf8

Download Submit
\Windows\SysWOW64\winkey.dll

Filesize
24KB

MD5
43e7d9b875c921ba6be38d45540fb9dd

SHA1
f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

SHA256
f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

SHA512
2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

Download Submit
memory/2160-38-0x0000000002540000-0x0000000002650000-memory.dmp

Filesize
1.1MB

Download
memory/2160-1-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/2160-0-0x0000000002540000-0x0000000002650000-memory.dmp

Filesize
1.1MB

Download
memory/2160-46-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-48-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-52-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-62-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-24-0x00000000022E0000-0x00000000023F0000-memory.dmp

Filesize
1.1MB

Download
memory/2612-61-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-49-0x00000000022E0000-0x00000000023F0000-memory.dmp

Filesize
1.1MB

Download
memory/2612-60-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-50-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-51-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-59-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-53-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-54-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-55-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-56-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-57-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2612-58-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2824-35-0x0000000000400000-0x00000000009DE000-memory.dmp

Filesize
5.9MB

Download
memory/2824-13-0x0000000002470000-0x0000000002580000-memory.dmp

Filesize
1.1MB

Download
memory/2824-14-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/2824-36-0x0000000002470000-0x0000000002580000-memory.dmp

Filesize
1.1MB

Download