Analysis
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max time kernel
121s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2024 13:28
Static task
static1
Behavioral task
behavioral1
Sample
f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe
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Size
364KB
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MD5
f21ca3d0a84410adbb4cfb701d0b5088
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SHA1
86a16de5dd7ff1e1e5f217d09d3ec9c886eaf915
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SHA256
c4fc0d9a903d9465b8dca0a45456c01085458175c5c1c44ad8f98afe768e1078
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SHA512
d7fccc89ced3f7fd894b6ca8a0e4be48fd212c229c343297d12f6194cc0ce8e892d796238d93a3efe6ed52d07953e17c2141109480bb2dc6c3ab7f1b84271b6c
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SSDEEP
6144:WBOO856a60r+UogID97/IXjBE7SL+MEXxtSbsP6AN0:WBOO3VKID90TBEhx4O6a0
Malware Config
Signatures
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Dave packer 2 IoCs
Detects executable using a packer named 'Dave' by the community, based on a string at the end.
resource yara_rule behavioral2/memory/680-7-0x00000000005F0000-0x0000000000620000-memory.dmp dave behavioral2/memory/680-3-0x0000000000A80000-0x0000000000AB2000-memory.dmp dave -
System Location Discovery: System Language Discovery 1 TTPs 1 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 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 680 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe 680 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3780 wermgr.exe Token: SeDebugPrivilege 3780 wermgr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 680 wrote to memory of 3780 680 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe 90 PID 680 wrote to memory of 3780 680 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe 90 PID 680 wrote to memory of 3780 680 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe 90 PID 680 wrote to memory of 3780 680 f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe 90 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f21ca3d0a84410adbb4cfb701d0b5088_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3780
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