288cf80bb6876b2d5b1829e75475edbd9a1961c4700210e40a230be09b7efd7a

Analysis

max time kernel
98s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 05:34

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General

Target

0920ac921ffa9173da061981ef9dbee3_JaffaCakes118.dll
Size

155KB
MD5

0920ac921ffa9173da061981ef9dbee3
SHA1

1f9f7f8a47bace6ec542be237fbc0349d4d58b84
SHA256

288cf80bb6876b2d5b1829e75475edbd9a1961c4700210e40a230be09b7efd7a
SHA512

4c67d387262bb1d5de75656bee07cd18a7a5b46d668d07876d5138664d9802aaffc036e1aa9a7dadd59cb758be6d399578c3b6232bb5cfaab4679435c9b22359
SSDEEP

3072:kQ/rnUUn5VFyYCmIH2Tz/lMS89cxH5kTjNf4fBCJeGK69iAdLH8qou1:J/oUpyYCmUoGJgSeGX9tdLH8qoS

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3104-0-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/3104-2-0x0000000000400000-0x0000000000461000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	3104	WerFault.exe	84

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 3104	1100	rundll32.exe	84
PID 1100 wrote to memory of 3104	1100	rundll32.exe	84
PID 1100 wrote to memory of 3104	1100	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0920ac921ffa9173da061981ef9dbee3_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0920ac921ffa9173da061981ef9dbee3_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 560
    3⤵
    - Program crash
    PID:2976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3104 -ip 3104
1⤵
PID:4700

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/3104-0-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

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memory/3104-2-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download