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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 19:43
Static task
static1
Behavioral task
behavioral1
Sample
5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe
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Size
1.1MB
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MD5
5362df5ce5f17c85f8dc2832b405db1d
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SHA1
178a6d2e0e18add29f109684371ed8cefc9b0874
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SHA256
9bde970d80c71413291f866ba01b8cb7f094e3aafa971e6aa9b63374db14c376
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SHA512
1a04ea14ab5e5ffec7fec0a506be15d0fdaf297e64211bc9dc5740fb09b3a0b6104965705d8f4f308f05b145f04edf02ecef4035f9e1a5beeac8697fca087a91
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SSDEEP
24576:tSukdh8M5B0QmXZKRjMe8ukin4UN2JAOcASFpPafH3CK2M:EuOh86pmpKRjaXin4JURM
Malware Config
Signatures
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Server Software Component: Terminal Services DLL 1 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Twunk\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\yadadr.dll" winrar.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\Twunk\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\yadadr.dll" winrar.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\Twunk\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\yadadr.dll" winrar.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 4024 ·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe 516 winrar.exe -
Loads dropped DLL 2 IoCs
pid Process 516 winrar.exe 3936 svchost.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\000574fe.001 winrar.exe File created C:\Windows\SysWOW64\yadadr.dll winrar.exe File created C:\Windows\SysWOW64\drivþtyadadr.sys winrar.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winrar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 660 Process not Found -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 3936 svchost.exe 3936 svchost.exe 3936 svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2964 wrote to memory of 4024 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 87 PID 2964 wrote to memory of 4024 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 87 PID 2964 wrote to memory of 4024 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 87 PID 2964 wrote to memory of 516 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 88 PID 2964 wrote to memory of 516 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 88 PID 2964 wrote to memory of 516 2964 5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5362df5ce5f17c85f8dc2832b405db1d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe"C:\Users\Admin\AppData\Local\Temp\·ÉÑ©ÈÕÀúv2.62×¢²áÆ÷.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4024
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C:\Users\Admin\AppData\Local\Temp\winrar.exe"C:\Users\Admin\AppData\Local\Temp\winrar.exe"2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:516
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k Twunk1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3936
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
15KB
MD531710f5be697d3b8fc08a0574e49d3a6
SHA149ccd38ca2a40d8112709d2ec1d68a8070411f24
SHA2561cd64102e1cb5d81a8d892b7c2a210f1ffcd7fe6ffc1855aa08013a12632682c
SHA512f8cfccab7bb211ed566fa784f16462e43970d1ebfd4a52398169344a4959c8c7e725a22436fc8a02b5c9c90796da4c32e2a2a631d451f4c9a263dba57d2c86d0
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Filesize
62KB
MD5de9d6c4561715bebcd065fa7d1842e25
SHA100de694b5d045d73ec312bc432600d5ff977131f
SHA256249bd062cdd02c860a5dc8d7c494efe6ecc527fc3daa5d9bdec2774ef9f6341c
SHA512464674d41b3fa766e8a4d26d9b0fd9272941ca96062dc639453b6acbb8c298083329d58900fd1d29d59c2ed8d0ee34f92fc22712411f63f35bb043c4c31d1533
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Filesize
430KB
MD53469887e88aaa5b700ff4c59143ddd2e
SHA1dc89ee47359cb7b05c1d81fa02714a2a09b28f00
SHA256ff66217d0de18d4289524269eeb33374e07c0fab8079f12b36f6b013ee83648c
SHA512be688e6ff27289d9bbdad181b8e8631219cf7b84925a14a2660810e2bac04d2a36b6b151c9459c1791a5c71b94064bdaac3fd60021708c8f17416656797b2165
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Filesize
89KB
MD58e0d00b5914a2c410a22ed9b445ee368
SHA1da2ba7fac233a410f14fad46d9b0e7ce3ce23843
SHA25656cd3e5cf53a9709d5ede77fb72d3a2df32eb1e02b8f3085a519dd0b7f4ed708
SHA51244db547efd74607c449a1af6fc7170e79acf4c797e1bf3a261432f2766ac22c7dccd781ad1794e61b5220d37893b24afb13c8526ef1571776c061e36d96a0136