5a15946c4b824da5344330820a9d1ef3e9c76d5d4d94ffdde4df827aafa85471

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 22:08

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General

Target
Muruncher_1.4.0.1/Other/Source/libpng13.dll
Size 198KB
Sample240901-117atashrr
SHA256 bcc18faee81a2362b2bebc58208ff23e8a9641dd5843dd6692c19f942e0259bc
MD5 04865cbf31ff163a422d44c39747f011
SHA1 7e9d2d38156c5852f39ea6d3637286c8fdce60f3
SHA512 482047800227b283709b73d2d87b05e115913493cd37b08c4edf9921becf668d7e3eef032abb2b461dbcc629b93d7d10cba097c3bfd5ebb72a9394b2c1b49155
SSDEEP 3072:zvPGUvhvhp3RtiyfknBQweBm9aolmQ3McHjjZAEc1QREAeXlSf4r1o4v:7J3NGzeBm9McDeEcGe1u4R
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1392	1500	WerFault.exe	85

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 2680 wrote to memory of 1500	2680	rundll32.exe	85
PID 2680 wrote to memory of 1500	2680	rundll32.exe	85
PID 2680 wrote to memory of 1500	2680	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Muruncher_1.4.0.1\Other\Source\libpng13.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Muruncher_1.4.0.1\Other\Source\libpng13.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 604
    3⤵
    - Program crash
    PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1500 -ip 1500
1⤵
PID:4420

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/1500-0-0x0000000067580000-0x00000000675B6000-memory.dmp

Download

memory/1500-1-0x0000000061B80000-0x0000000061B98000-memory.dmp