Analysis
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max time kernel
140s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2024, 10:27
Static task
static1
Behavioral task
behavioral1
Sample
ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe
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Size
364KB
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MD5
ef985f843f22ff9b42a0fb8fac869e2c
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SHA1
7ad37b5ea16186229147e09914c5013f5e23602d
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SHA256
cda2a4986b5605799e99deace064291a79d99ee7c796c72becc7cc3be380cd0f
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SHA512
5d3a3c3881432aaab57aa36e920e12b0b2c6d7fd5098157bdee06127d1d787a42644051913c59e135ec4625a4607a893b5f600d0e45d798dfcc91cc5d5239190
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SSDEEP
6144:WBOO856a60r+UogID97/IXjBE7SL+MEXxtSbsP6ANv:WBOO3VKID90TBEhx4O6av
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/3844-3-0x0000000000AD0000-0x0000000000B02000-memory.dmp dave behavioral2/memory/3844-7-0x00000000005D0000-0x0000000000600000-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 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3844 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe 3844 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1668 wermgr.exe Token: SeDebugPrivilege 1668 wermgr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3844 wrote to memory of 1668 3844 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe 91 PID 3844 wrote to memory of 1668 3844 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe 91 PID 3844 wrote to memory of 1668 3844 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe 91 PID 3844 wrote to memory of 1668 3844 ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe 91 -
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\ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef985f843f22ff9b42a0fb8fac869e2c_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1668
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