Analysis
-
max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 12:43
Static task
static1
Behavioral task
behavioral1
Sample
d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
-
Target
d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe
-
Size
497KB
-
MD5
d2823e1de98fdb37a3b71a5c14bcd567
-
SHA1
2dd0e7d1e478c5d34633161784def2bb2a79ab19
-
SHA256
f4ae61281e5b4bb3b29b1c5e69da2201e7fbfe35bc30a1ca638ad65c10f4b872
-
SHA512
853b7ee086f91677ee1470fc97206171bdb27ea810305835fabf3b8163673118763a448e02184e783fac7dcc2b475a4a2b81aed3ca86bbf2861c662ed8c1c2f1
-
SSDEEP
12288:fTkUCrIaTbOItA0i4KXFXQYzB9FrzdU48O385WQ:IUCrIa3OUn/eQmz5dUV5
Malware Config
Signatures
-
Ardamax family
-
Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b3a-12.dat family_ardamax -
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 1132 system32TJAI.exe 3448 GRAPP.exe -
Loads dropped DLL 9 IoCs
pid Process 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 1132 system32TJAI.exe 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 3448 GRAPP.exe 1132 system32TJAI.exe 1132 system32TJAI.exe 3448 GRAPP.exe 3448 GRAPP.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system32TJAI Agent = "C:\\Windows\\system32TJAI.exe" system32TJAI.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\system32AKV.exe d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe File created C:\Windows\system32TJAI.001 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe File created C:\Windows\system32TJAI.006 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe File created C:\Windows\system32TJAI.007 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe File created C:\Windows\system32TJAI.exe d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language system32TJAI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GRAPP.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1132 system32TJAI.exe Token: SeIncBasePriorityPrivilege 1132 system32TJAI.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1132 system32TJAI.exe 1132 system32TJAI.exe 1132 system32TJAI.exe 1132 system32TJAI.exe 1132 system32TJAI.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 772 wrote to memory of 1132 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 81 PID 772 wrote to memory of 1132 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 81 PID 772 wrote to memory of 1132 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 81 PID 772 wrote to memory of 3448 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 82 PID 772 wrote to memory of 3448 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 82 PID 772 wrote to memory of 3448 772 d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d2823e1de98fdb37a3b71a5c14bcd567_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\system32TJAI.exe"C:\Windows\system32TJAI.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1132
-
-
C:\Users\Admin\AppData\Local\Temp\GRAPP.exe"C:\Users\Admin\AppData\Local\Temp\GRAPP.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3448
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4KB
MD551bee0ab97691836dc058cc6edb0a3bc
SHA1e7a79d9eeaa9b3eb4650389d590e72f3305767d4
SHA256fcb57ac50b7ced25bba2f806824dbbbcdf26208a1ceb2244c6f52a572b1f5f06
SHA51292e15cf965bf2e4c258e6bf53543647b470fba9376c0fb3e9cc8d003f3be74f87f7d7935cf67b66205f1cc103df613856e2aef129a4b373336b1f0f1b5645fcc
-
Filesize
64KB
MD5445cf2888649f9d0d425d396b09113a4
SHA1bfde9b6b0f86c3bc664a13d3d0be5678a17d5efa
SHA25673f5aa9e2a6c514c26efcae36afedf02780208bde4ed6bdc2e713c985beeccd7
SHA512f8bbbac5b14ca72b8d5ea8b5db9afaf4d192c7c466563c6f5c07b0b85d236ecc692cf9f8f0be6f1f6110d131e10d577a096ce0905e0fac0d036829fd0c3d1501
-
Filesize
408B
MD5674833d379d15e2a526377f04767ac78
SHA12ea13df2221ae8edc31382f6f7e15afd836f6e32
SHA256a83f21dde94a28d33fcb9347c41d38ee41561d941dca0bd91d20aca4c3504853
SHA512619a0e1ec4b534f71bf8461850609c4b3a6c328cdfc6b9839fde1863badf2dbfbb66dae5bc1e1aac4f0868391364b214cab6ce1fa89d4c247a4c36545bcde18f
-
Filesize
7KB
MD5ed3c7e9a789e0c5c8c49e46d4bf6a3df
SHA1e74e617680edd83ea0172960c4389ba3f7ed431d
SHA256f2b983e3e8cdcad665bdd0024725bb03a1a4919dcf115d031d1d4e4fe3225856
SHA5121c70224ccf2d95563d54c8eb52e0e3fc09dee8528a8a0041517f1f85f36eec5f08ed5b8e9064827290a7b66f48849575ecb2cce3e81b4250e12806ffb7aff06d
-
Filesize
5KB
MD5d7b3b4076038485800c17684ac22550f
SHA1d6ce8bc1a16d46cf6bdae41308f4eafd8d24ae4f
SHA2567f67f9360d43cc337ad5f878372e1eec94a83e7cf6b5cf56c43a8c7e2e8d869a
SHA512209eae97c7854f26fb32132be5722a5fb7b0c275774599b456b3f8a99c5b70d90a676ecf17ab7867c47a0f653c3f7d80d02d902ddb116acb7ba366ab0662750b
-
Filesize
471KB
MD5186403d9ea3c30fb5c9cc7ec135c7866
SHA10b2ee531ae2f5c0658ffa720c1c71e986433a4fc
SHA25699b102ae1b219cc471c47aa54da4ab4c3f4d0ee7a07ef85c7f0bca8cc6eb9bf1
SHA512af30f64237e9998c4c2c41213a67c0bbf8687318c8e957f8a87aff43e383dd301ca674e0158cde5ab209bcf03263625fefcd0b6602c14f3d40231da7d9809dcd