da6266e8ae7265f5254c23b4e7e7b87b6f02705e7258a960c2ba8a92df390cb5

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 14:55

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General

Target
JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe
Size 38KB
Sample250127-sag91avjdk
SHA256 da6266e8ae7265f5254c23b4e7e7b87b6f02705e7258a960c2ba8a92df390cb5
MD5 40b85f64df170e3038d9370e7e9f669b
SHA1 581b46b2596673687024859b73d4ed96c2aef290
SHA512 e4a2e939a90a9780a3d8042a56dd69f0774cfdf4989c37dfca2d3ca2cd8265ff95484c3791f0228401997bb68042a09c9cd12afadc4f5e342865c7f7e890c994
SSDEEP 768:qER3sPh3wBMpVcBuAjmrOIlaPXgM8R/Its5jeC:1s53wMpVuBPIlFkej
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

discovery upx

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 3152	2884	JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe	82

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2884-0-0x0000000000200000-0x000000000031B000-memory.dmp	upx
behavioral2/memory/2884-3-0x0000000000200000-0x000000000031B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4204	3152	WerFault.exe	82

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 3152	2884	JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe	82
PID 2884 wrote to memory of 3152	2884	JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe	82
PID 2884 wrote to memory of 3152	2884	JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe	82
PID 2884 wrote to memory of 3152	2884	JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40b85f64df170e3038d9370e7e9f669b.exe"
  2⤵
  PID:3152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 80
    3⤵
    - Program crash
    PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3152 -ip 3152
1⤵
PID:3076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2884-0-0x0000000000200000-0x000000000031B000-memory.dmp

Download

memory/2884-3-0x0000000000200000-0x000000000031B000-memory.dmp