edf6d3b74791880acb7e2df1871578c6d897958e13b14d1a562e76b36ed4fff6

Analysis

max time kernel
95s
max time network
100s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
23-01-2025 23:06

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General

Target

mmpack.exe
Size

519KB
MD5

8941182a6d0c454bf679b27fcb99f327
SHA1

de76d54d58b53355bbfdcb942e0f5262bdc25091
SHA256

4aabc5c522ecef9200e1da99e5e747bc134955a80f712f0e5a42e048974fc65b
SHA512

8143dc1ade3606e7fda8314107098303e3ac0cbebc670992409859af29dfd5da9f6d73fdb87ca7e0fa5e05a2e6ff20051653691291137690efc4dea3af4e88a7
SSDEEP

12288:OtPYLwhHJ6mhUvkxv3xUPEaSAq5YPn76+5NHPH:O2Lwr2kjAEaSAPP76+5lH

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5680 set thread context of 3680	5680	mmpack.exe	80
PID 5680 set thread context of 5736	5680	mmpack.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	5680	WerFault.exe	78

System Location Discovery: System Language Discovery 1 TTPs 3 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	mmpack.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mmpack.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mmpack.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 5680 wrote to memory of 1176	5680	mmpack.exe	79
PID 5680 wrote to memory of 1176	5680	mmpack.exe	79
PID 5680 wrote to memory of 1176	5680	mmpack.exe	79
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 3680	5680	mmpack.exe	80
PID 5680 wrote to memory of 5832	5680	mmpack.exe	81
PID 5680 wrote to memory of 5832	5680	mmpack.exe	81
PID 5680 wrote to memory of 5832	5680	mmpack.exe	81
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82
PID 5680 wrote to memory of 5736	5680	mmpack.exe	82

C:\Users\Admin\AppData\Local\Temp\mmpack.exe
"C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5680
- C:\Users\Admin\AppData\Local\Temp\mmpack.exe
  "C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
  2⤵
  PID:1176
- C:\Users\Admin\AppData\Local\Temp\mmpack.exe
  "C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3680
- C:\Users\Admin\AppData\Local\Temp\mmpack.exe
  "C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
  2⤵
  PID:5832
- C:\Users\Admin\AppData\Local\Temp\mmpack.exe
  "C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5680 -s 852
  2⤵
  - Program crash
  PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5680 -ip 5680
1⤵
PID:3848

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/3680-4-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3680-6-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3680-12-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/5680-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/5680-1-0x0000000000C00000-0x0000000000C8A000-memory.dmp

Filesize
552KB

Download
memory/5680-2-0x0000000005B10000-0x00000000060B6000-memory.dmp

Filesize
5.6MB

Download
memory/5680-10-0x00000000749D0000-0x0000000075181000-memory.dmp

Filesize
7.7MB

Download
memory/5736-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download