811d40d68a8341c4a6ab40293f114d8cb7c5c23c190c7dfd92c820e05ff6f301

Analysis

max time kernel
149s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 11:05

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General

Target

ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
Size

504KB
MD5

ed728b516b9def3b0828d7d8ad8e2a43
SHA1

49bd2ec3f81bd186d70a8180ca6b10a59ed964f8
SHA256

811d40d68a8341c4a6ab40293f114d8cb7c5c23c190c7dfd92c820e05ff6f301
SHA512

cf1355dc78d648342d77427ab79e1d6e10f3bd4b7a920ff997781e9e2dbbbce4a51f5aeb4b8277256454896680e24b83b46448d8dfc10c708d171445f13fa95b
SSDEEP

12288:jVk2yEC4GLRPVXCMMvAw7VAw6/IJY2ka3mH7wQaWS:jqt1hHy55OL2n3E70W

Score

10^/10

aspackv2 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"	ed728b516b9def3b0828d7d8ad8e2a43_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	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	ed728b516b9def3b0828d7d8ad8e2a43_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}	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	ed728b516b9def3b0828d7d8ad8e2a43_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"	ed728b516b9def3b0828d7d8ad8e2a43_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

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0012000000023437-52.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
1560	fservice.exe
5080	services.exe

Loads dropped DLL 3 IoCs

pid	Process
5080	services.exe
5080	services.exe
5080	services.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\	ed728b516b9def3b0828d7d8ad8e2a43_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	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	ed728b516b9def3b0828d7d8ad8e2a43_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

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	ed728b516b9def3b0828d7d8ad8e2a43_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 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	services.exe
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	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fservice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
1560	fservice.exe
1560	fservice.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe
5080	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5080	services.exe
5080	services.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 1560	3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe	87
PID 3760 wrote to memory of 1560	3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe	87
PID 3760 wrote to memory of 1560	3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe	87
PID 3760 wrote to memory of 888	3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe	88
PID 3760 wrote to memory of 888	3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe	88
PID 3760 wrote to memory of 888	3760	ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe	88
PID 1560 wrote to memory of 5080	1560	fservice.exe	92
PID 1560 wrote to memory of 5080	1560	fservice.exe	92
PID 1560 wrote to memory of 5080	1560	fservice.exe	92
PID 5080 wrote to memory of 4660	5080	services.exe	93
PID 5080 wrote to memory of 4660	5080	services.exe	93
PID 5080 wrote to memory of 4660	5080	services.exe	93
PID 5080 wrote to memory of 3460	5080	services.exe	94
PID 5080 wrote to memory of 3460	5080	services.exe	94
PID 5080 wrote to memory of 3460	5080	services.exe	94
PID 3460 wrote to memory of 1096	3460	NET.exe	97
PID 3460 wrote to memory of 1096	3460	NET.exe	97
PID 3460 wrote to memory of 1096	3460	NET.exe	97
PID 4660 wrote to memory of 2260	4660	NET.exe	98
PID 4660 wrote to memory of 2260	4660	NET.exe	98
PID 4660 wrote to memory of 2260	4660	NET.exe	98

C:\Users\Admin\AppData\Local\Temp\ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1560
- - 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:5080
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP srservice
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4660
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2260
  - - C:\Windows\SysWOW64\NET.exe
      NET STOP navapsvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3460
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1096
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:888

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\ed728b516b9def3b0828d7d8ad8e2a43_JaffaCakes118.exe.bat

Filesize
133B

MD5
62933916c76ac6a50862783508af7928

SHA1
7344a026626818d388495210e3d649cfd685cc8a

SHA256
998d04b180a6ce019b0970cdb17f50fd197d030793dbdd57ec498180fec3a776

SHA512
c550b595f4b53e687a73d9462567f9d0e56bd57ce43b4c614636b6c0c4b25ba1d7c48008f9002737a4e0d3b3201f42228e20f46a762347336b4be67f09052d20

Download Submit
C:\Windows\SysWOW64\fservice.exe

Filesize
504KB

MD5
ed728b516b9def3b0828d7d8ad8e2a43

SHA1
49bd2ec3f81bd186d70a8180ca6b10a59ed964f8

SHA256
811d40d68a8341c4a6ab40293f114d8cb7c5c23c190c7dfd92c820e05ff6f301

SHA512
cf1355dc78d648342d77427ab79e1d6e10f3bd4b7a920ff997781e9e2dbbbce4a51f5aeb4b8277256454896680e24b83b46448d8dfc10c708d171445f13fa95b

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

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

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

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/1560-31-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-26-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-45-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-43-0x0000000000740000-0x000000000076E000-memory.dmp

Filesize
184KB

Download
memory/1560-42-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-28-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-30-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-29-0x0000000000740000-0x000000000076E000-memory.dmp

Filesize
184KB

Download
memory/1560-21-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-27-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/1560-35-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-24-0x0000000000401000-0x00000000004BA000-memory.dmp

Filesize
740KB

Download
memory/3760-1-0x0000000000790000-0x00000000007BE000-memory.dmp

Filesize
184KB

Download
memory/3760-22-0x0000000000790000-0x00000000007BE000-memory.dmp

Filesize
184KB

Download
memory/3760-0-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-25-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-3-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-16-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-7-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-4-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-19-0x0000000000790000-0x00000000007BE000-memory.dmp

Filesize
184KB

Download
memory/3760-8-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/3760-5-0x0000000000790000-0x00000000007BE000-memory.dmp

Filesize
184KB

Download
memory/3760-6-0x0000000000401000-0x00000000004BA000-memory.dmp

Filesize
740KB

Download
memory/3760-2-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-54-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-65-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-50-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-46-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-56-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/5080-55-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-49-0x00000000007B0000-0x00000000007DE000-memory.dmp

Filesize
184KB

Download
memory/5080-48-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-41-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-64-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-47-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-67-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/5080-68-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-69-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download
memory/5080-70-0x0000000000400000-0x000000000060C000-memory.dmp

Filesize
2.0MB

Download