c977bce90f3917b7904c245e033d1d0026f2ec0f341041b0b8f101721a10ec77

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24/07/2024, 00:14

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General

Target

69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
Size

4.5MB
MD5

69875aec3159d4405ed21740bcaef3b7
SHA1

9946e7a70bf415c91a55c575a0d2f3daed831ec3
SHA256

c977bce90f3917b7904c245e033d1d0026f2ec0f341041b0b8f101721a10ec77
SHA512

4298f971563b047fc5718326951143bb96f48dcf3932a8148613f8381c2f472c925363f882f6d896394df4ccc010cc5e003232bf47906a0f927e1039e299e1ed
SSDEEP

98304:DND+TLRZN10nYk/UP4ExOMoDH+HI9ZJrZW8MP9v2:ggCoiHI9Z9E8w9O

Score

10^/10

discovery evasion persistence trojan

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"	69875aec3159d4405ed21740bcaef3b7_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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	69875aec3159d4405ed21740bcaef3b7_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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.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}	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	69875aec3159d4405ed21740bcaef3b7_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"	69875aec3159d4405ed21740bcaef3b7_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

Executes dropped EXE 2 IoCs

pid	Process
2236	fservice.exe
2632	services.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine	fservice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine	services.exe

Loads dropped DLL 6 IoCs

pid	Process
2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
2632	services.exe
2632	services.exe
2236	fservice.exe
2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	services.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fservice.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\	69875aec3159d4405ed21740bcaef3b7_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	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	69875aec3159d4405ed21740bcaef3b7_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

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
2236	fservice.exe
2632	services.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File created	C:\Windows\system\sservice.exe	services.exe
File opened for modification	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	69875aec3159d4405ed21740bcaef3b7_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
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NET.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
2236	fservice.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe
2632	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2632	services.exe
2632	services.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2236	2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2236	2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2236	2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2236	2296	69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe	30
PID 2236 wrote to memory of 2632	2236	fservice.exe	32
PID 2236 wrote to memory of 2632	2236	fservice.exe	32
PID 2236 wrote to memory of 2632	2236	fservice.exe	32
PID 2236 wrote to memory of 2632	2236	fservice.exe	32
PID 2632 wrote to memory of 1528	2632	services.exe	33
PID 2632 wrote to memory of 1528	2632	services.exe	33
PID 2632 wrote to memory of 1528	2632	services.exe	33
PID 2632 wrote to memory of 1528	2632	services.exe	33
PID 2632 wrote to memory of 876	2632	services.exe	34
PID 2632 wrote to memory of 876	2632	services.exe	34
PID 2632 wrote to memory of 876	2632	services.exe	34
PID 2632 wrote to memory of 876	2632	services.exe	34
PID 1528 wrote to memory of 1032	1528	NET.exe	37
PID 1528 wrote to memory of 1032	1528	NET.exe	37
PID 1528 wrote to memory of 1032	1528	NET.exe	37
PID 1528 wrote to memory of 1032	1528	NET.exe	37
PID 876 wrote to memory of 1688	876	NET.exe	38
PID 876 wrote to memory of 1688	876	NET.exe	38
PID 876 wrote to memory of 1688	876	NET.exe	38
PID 876 wrote to memory of 1688	876	NET.exe	38

C:\Users\Admin\AppData\Local\Temp\69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69875aec3159d4405ed21740bcaef3b7_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Identifies Wine through registry keys
- Loads dropped DLL
- Checks whether UAC is enabled
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2236
- - 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
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Checks whether UAC is enabled
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2632
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP srservice
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1528
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1032
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP navapsvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:876
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1688

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\fservice.exe

Filesize
4.5MB

MD5
69875aec3159d4405ed21740bcaef3b7

SHA1
9946e7a70bf415c91a55c575a0d2f3daed831ec3

SHA256
c977bce90f3917b7904c245e033d1d0026f2ec0f341041b0b8f101721a10ec77

SHA512
4298f971563b047fc5718326951143bb96f48dcf3932a8148613f8381c2f472c925363f882f6d896394df4ccc010cc5e003232bf47906a0f927e1039e299e1ed

Download Submit
\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
d4a3f90e159ffbcbc4f9740de4b7f171

SHA1
0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

SHA256
2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

SHA512
5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

Download Submit
\Windows\SysWOW64\winkey.dll

Filesize
24KB

MD5
43e7d9b875c921ba6be38d45540fb9dd

SHA1
f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

SHA256
f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

SHA512
2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

Download Submit
memory/2236-27-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2236-42-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2236-18-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2236-30-0x0000000005700000-0x0000000005B80000-memory.dmp

Filesize
4.5MB

Download
memory/2236-28-0x0000000005700000-0x0000000005B80000-memory.dmp

Filesize
4.5MB

Download
memory/2296-46-0x0000000000401000-0x00000000005EC000-memory.dmp

Filesize
1.9MB

Download
memory/2296-1-0x0000000000401000-0x00000000005EC000-memory.dmp

Filesize
1.9MB

Download
memory/2296-16-0x0000000005760000-0x0000000005BE0000-memory.dmp

Filesize
4.5MB

Download
memory/2296-17-0x0000000005760000-0x0000000005BE0000-memory.dmp

Filesize
4.5MB

Download
memory/2296-14-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2296-13-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2296-45-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2296-43-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2296-0-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-51-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-54-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-49-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-50-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-29-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-52-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-53-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-48-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-55-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-56-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-57-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-58-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-59-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-60-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-61-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download
memory/2632-62-0x0000000000400000-0x0000000000880000-memory.dmp

Filesize
4.5MB

Download