4f8168dce8d3e492a35717c1550ccb86dbeab0e1a4e32963f5f8eb73bfdbeb1c

Analysis

max time kernel
94s
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
25-01-2025 02:40

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General

Target

JaffaCakes118_277b80877fc2effdede80a15a0a43db1.exe
Size

167KB
MD5

277b80877fc2effdede80a15a0a43db1
SHA1

08abab37c0371f718cb5b6fde5402cf9e5d9eabc
SHA256

4f8168dce8d3e492a35717c1550ccb86dbeab0e1a4e32963f5f8eb73bfdbeb1c
SHA512

3336561ea5afea5b099a7fbc27808fc13052ea0b2694423b5be1fb05101321cd471a1da241626b8b915842d42f8d83e1152e07b7d12ed76bbc7736ba6a046e90
SSDEEP

3072:63JBjl+LRzx8Sj3yTI9Uo66i2UmmCBl8PMFsaDSxKChgtCrWJ7Y:0JESSj7966dBLfDSxKCA7

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1844	JaffaCakes118_277b80877fc2effdede80a15a0a43db1Srv.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b1b-3.dat	upx
behavioral2/memory/1844-4-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/memory/1844-8-0x0000000000400000-0x0000000000441000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4864	1844	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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_277b80877fc2effdede80a15a0a43db1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_277b80877fc2effdede80a15a0a43db1Srv.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 1844	1408	JaffaCakes118_277b80877fc2effdede80a15a0a43db1.exe	83
PID 1408 wrote to memory of 1844	1408	JaffaCakes118_277b80877fc2effdede80a15a0a43db1.exe	83
PID 1408 wrote to memory of 1844	1408	JaffaCakes118_277b80877fc2effdede80a15a0a43db1.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_277b80877fc2effdede80a15a0a43db1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_277b80877fc2effdede80a15a0a43db1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_277b80877fc2effdede80a15a0a43db1Srv.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_277b80877fc2effdede80a15a0a43db1Srv.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 272
    3⤵
    - Program crash
    PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1844 -ip 1844
1⤵
PID:748

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_277b80877fc2effdede80a15a0a43db1Srv.exe

Filesize
94KB

MD5
f6736faa3126f64ed4a7109e40c47806

SHA1
0d50917f44d6e173bac24916c95343616dcbf18c

SHA256
bc0cb854888c155cbfed860a6546bea3c82db643df30437fe14d91194939a874

SHA512
29cc26cd4df360252917a5d913e5e4776b6d05061b464f09dbb33918491affdc15cac9e142a9227a48f27d26db1f8ee85bd3d417365d6fef9b2fd380e090efe5

Download Submit
memory/1408-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1408-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1844-4-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1844-7-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/1844-8-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download