5a15946c4b824da5344330820a9d1ef3e9c76d5d4d94ffdde4df827aafa85471

Analysis

max time kernel
93s
max time network
97s
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/iconv.dll
Size

868KB
MD5

ea2714c8a9ff6ca9e6556b4f41583991
SHA1

cbd5d8e9d22739bbe71bbfbf688581b2036c1300
SHA256

35e78ae2785ac5eea448a9d898e5fc43cec09339e604c444ddee05399bb892b4
SHA512

0092e2940e5f266bf22375a0a5d9b2cd637e7fcb81d84ed35e1a99eb6f23fb0a17634d4e394085e6ddd71c733a5e47a9f2395f4bd1411feddbf13ab4bbb4abce
SSDEEP

24576:vf2VfWlcKu6Gavkg3NydIbbbI4IBAUZLY:XuscKu6GaXUT4IBAUZLY

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1296	1424	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 764 wrote to memory of 1424	764	rundll32.exe	85
PID 764 wrote to memory of 1424	764	rundll32.exe	85
PID 764 wrote to memory of 1424	764	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Muruncher_1.4.0.1\Other\Source\iconv.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Muruncher_1.4.0.1\Other\Source\iconv.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 600
    3⤵
    - Program crash
    PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1424 -ip 1424
1⤵
PID:2560

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

Windows 7 deprecation

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