f11143a9ec5060136d0f3dde69e0de94a1b013e6cb6790bdddea75898b3bfed3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 16:45

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General

Target

8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
Size

20KB
MD5

8b26101dcd4ca89e3221f1fddd27c5a3
SHA1

f215ce5cde9eb0f4566f2bafa7c5dc5813f8b13d
SHA256

f11143a9ec5060136d0f3dde69e0de94a1b013e6cb6790bdddea75898b3bfed3
SHA512

adf11d576980982cd1f71d115a2036d559d8667d65e4509e105f35a568f1d9ecdaf35245b5dc3458a67567378aadd3be1ac0bef048bf6aed8bec8545f640f520
SSDEEP

384:sjHpLawENkMcT3dblG3ijwJk70V8OEdojDJb640meMFeWvwWd:6LaTNkJT3dbIyjwJk70V8dUY4qIv

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\WinFastUserSwitchingCompatibilityEx.dll"	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
5036	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
532	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WinFastUserSwitchingCompatibilityEx.dll	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\WinFastUserSwitchingCompatibilityEx.dll	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\MgicRcRk10.sys	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5036	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
5036	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
660	Process not Found
660	Process not Found

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 3544	5036	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3544	5036	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3544	5036	8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8b26101dcd4ca89e3221f1fddd27c5a3_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240626609.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3544

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\240626609.bat

Filesize
269B

MD5
57f1f7ad1741a45bfd045a9b50ac4486

SHA1
a90b85dce4569d20c2b3e255daad469c66f387e6

SHA256
eb56fa595047587515f534c9b9a0ec4d74f3ddd0c88689749fcca6f1efdc60d3

SHA512
82593ac6ed64f06589eb13a1a5245fe9a056596593819fa5eeaed3ddee32ff5d726ce40ef3d357a4a5eb1999d7c7671e5c6a73696149574ffbf6e487a76ae6ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\dll515.dll

Filesize
17KB

MD5
ccbfdf23c80e3eed8cb3e300cc6a7af8

SHA1
fbf306b146705ca9604cd67aea6f384173d3aa24

SHA256
d1bbc2e2ade383a996542bd84fb15a36c0fa41120bf01ab511a17aa69eed8cc0

SHA512
486c71f29be4e4c99335cadf4faa4389ac6c6fa75d25abb64ceb93e232884668584ba89400bd1e6e9d7c2206c69efdd8ee7168bf44d16596b917f0d24146e5d0

Download Submit