Analysis
- max time kernel
94s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
03/10/2024, 02:47
Static task
static1
Behavioral task
behavioral1
Sample
0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/installer5.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/installer5.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
General
- Target 0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe
- Size 269KB
- Sample241003-c94dhs1blp
- SHA256 025199f433bbde5de98929b370dc491b84ea0abfa1b897d75127b283e43ea2d5
- MD5 0d8e5f3d626b5a1bd4ac95662d431013
- SHA1 a5b62b6970d7e14b55d51be0b074725c2daa7343
- SHA512 0542e4e98d76d5fe8b27c7691b30d5bb48252303e5e6a7ada8b24c4141c831a237a8fbda6f6c38fd597dffec977065766140a068e5fce12b436d4cfbfa094d1c
- SSDEEP 6144:rsaocyLC6iOCrt4LPI9ptKV7eqytRpIpHyMuZPZYU:rtobxiOYMg9ptK1Eo3uZPZYU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation installer5.exe - Executes dropped EXE 2 IoCs
pid Process 3216 installer5.exe 856 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe - Loads dropped DLL 1 IoCs
pid Process 2028 0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini installer5.exe File opened for modification C:\Windows\assembly\Desktop.ini installer5.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly installer5.exe File created C:\Windows\assembly\Desktop.ini installer5.exe File opened for modification C:\Windows\assembly\Desktop.ini installer5.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 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language installer5.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81 installer5.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 installer5.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 installer5.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 856 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 856 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 856 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe 856 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2028 wrote to memory of 3216 2028 0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe 82 PID 2028 wrote to memory of 3216 2028 0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe 82 PID 2028 wrote to memory of 3216 2028 0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe 82 PID 3216 wrote to memory of 856 3216 installer5.exe 84 PID 3216 wrote to memory of 856 3216 installer5.exe 84 PID 3216 wrote to memory of 856 3216 installer5.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0d8e5f3d626b5a1bd4ac95662d431013_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\installer5.exeC:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\installer5.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT132061115S /e5818302 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe"C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT132061115S /e5818302 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:856
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
- Size 248KB
- SHA256 e522bbb4e53e1fe3d4d4e3a8dc925d96afe02b1e50b604ef8e2a6abf194120ac
- MD5 22371a8f60488d167c752cf965f25237
- SHA1 2119a78137f0188003fc312a02b12d2b842a2ef5
- SHA512 3dcda9a228eea334726f3b621cbda96440f4434bb0e7fe36bd40a082aa6ab2d284fb8c61e7e10770aeb4c4968ac3711cb257d2b559643ed883886b64f49946d8
- SSDEEP 3072:y0t3yyHAej3S6UTyk8kma2mtFQir7vCnCazt0/TA+1WPbH+cqz49P0IX746knqPK:y0tijykdmaEG1ybHpxNrvL7bNLA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\installer5.exe
- Size 215KB
- SHA256 28e778a7e5f91d27cf37e7ed8624adb8e9f33d7d12d64ed6420b5345052591b0
- MD5 029162f299af12e48fc5ffde104766e2
- SHA1 467b9336af5aec76cbb548ece146cd2d7b4e1264
- SHA512 fa522ef2364e5a31c119993d8057a3337bffdb7ce259b810efeb59e105885c8ca75086e1d568121600a919ad160e3be2667486ab56de7e7393df8d895293863c
- SSDEEP 6144:CDsvqBa8e7G39JPeepCbyGHyWqTW6h9EZLgee3Br:CDsvq8899zCEh9U4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nst82AF.tmp\nsExec.dll
- Size 8KB
- SHA256 7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce
- MD5 249ae678f0dac4c625c6de6aca53823a
- SHA1 6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201
- SHA512 66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7
- SSDEEP 192:r/QeHNWSvUTfWdXw08LYKFaynLb3MRlbOVlR:7jBvwudT8LJxnnMRlyVlR
- MD5 SHA1 SHA512 SSDEEP