marsstealer | 2d6bd362e2db48ffcc87b5d408b788becf7ba0205834e036002f25e6f5a81e8a

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 21:31

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General

Target

JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe
Size

95KB
MD5

be8ca35106aa04901e662c488cfa5da2
SHA1

d99f21640a593a01e8934cc07b9babcecc6dcca3
SHA256

2d6bd362e2db48ffcc87b5d408b788becf7ba0205834e036002f25e6f5a81e8a
SHA512

5a64b333a87f607e6deb38fff7c88135285edf6cf2f0d034e96f7ff98fc989e24db873c4490132e68cc5f052e479161f54152c29cd6ea7637a76af46755e83ed
SSDEEP

1536:HWTHVn5wa8TXvqHp6kzWgDaO3C54Gf3lagvHkMTafiyVDr1lVUU3jy0f:HWTHVn8TXvc4O3CFvlaSED1Pjj/f

Score

10^/10

marsstealer discovery stealer

Malware Config

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer
Marsstealer family
marsstealer

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	2492	WerFault.exe	29

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_be8ca35106aa04901e662c488cfa5da2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2492	JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 1572	2492	JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe	30
PID 2492 wrote to memory of 1572	2492	JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe	30
PID 2492 wrote to memory of 1572	2492	JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe	30
PID 2492 wrote to memory of 1572	2492	JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be8ca35106aa04901e662c488cfa5da2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 44
  2⤵
  - Program crash
  PID:1572

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

memory/2492-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

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memory/2492-1-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

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