Analysis
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max time kernel
138s -
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
15-08-2024 20:56
Static task
static1
Behavioral task
behavioral1
Sample
9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe
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Size
364KB
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MD5
9b937a20a8de82224065adb0e3be14cd
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SHA1
caec84551fc117b4795b0e02866170497e7f613c
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SHA256
6091f2d2a830d334396c912322640c66b5af35daa9c10be247a1f8288701c48c
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SHA512
0e710cad23e5d2cf619c16bb1a0ae6ce6009107511b3f92c61cc6fbfdb4ba050f9d3409b96ea0193cb541c65672a23cadeaddd7467ee98739cab4dbf3058221e
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SSDEEP
6144:WBOO856a60r+UogID97/IXjBE7SL+MEXxtSbsP6ANN:WBOO3VKID90TBEhx4O6aN
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/2784-7-0x00000000021D0000-0x0000000002200000-memory.dmp dave behavioral2/memory/2784-3-0x0000000002210000-0x0000000002242000-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 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2784 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe 2784 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4520 wermgr.exe Token: SeDebugPrivilege 4520 wermgr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2784 wrote to memory of 4520 2784 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe 97 PID 2784 wrote to memory of 4520 2784 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe 97 PID 2784 wrote to memory of 4520 2784 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe 97 PID 2784 wrote to memory of 4520 2784 9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe 97 -
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\9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9b937a20a8de82224065adb0e3be14cd_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4520
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