3ead2083cc44733cc24645994838622ac20793e7f126362dd842a5b39eb0365f

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 23:48

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General

Target

System/msvcirt.dll
Size

58KB
MD5

126b75d50756fe204283d418ae1a66df
SHA1

83bbb6b142db7351c5547fbe46df56c8cc596aef
SHA256

3d12addcfd4d7233c787101c848fd1d7a62b6b6386fb2043b3d8f45502950312
SHA512

b782c79e2428eba1d8035a36582ccbbaf2fc3e605720fa4cb9a1d135edfe971034cc39f48d271e5ea1096ee7043b5024f7c73135703b54d88e7cae1877728d16
SSDEEP

1536:i4yXlB6QXHhAk/tqtCDJUQB08E0Rm6bC2me:byXlBzXBAk/tqtYJzj4GC2

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3548	1868	WerFault.exe	83

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 1296 wrote to memory of 1868	1296	rundll32.exe	83
PID 1296 wrote to memory of 1868	1296	rundll32.exe	83
PID 1296 wrote to memory of 1868	1296	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\msvcirt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\msvcirt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 600
    3⤵
    - Program crash
    PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1868 -ip 1868
1⤵
PID:992

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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