e2cd43d988121ee0cf9bdbaa46d5d1cc99dd742cb0540f674923621eef0d57fd

Analysis

max time kernel
113s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 19:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

TIR/CONFIG/MSVCRT.dll
Size

284KB
MD5

c93548203699d997ae43ada7542864c7
SHA1

1348a988763b7d382462ac88984c76e9f419cfd2
SHA256

dadad35bf69ede748178e83a9e66f8d5d371ef9b686d65ca969cd4d1b3cc5c93
SHA512

468fb151190418613808a9d570f54eb657a3e92b41f66d6a9b5976c042a0e1e2cff93e0f0f85628a0c107477e4c1f838f625af41b0885f107ae5e1e97fcaf341
SSDEEP

6144:/XX8B414AVWUmp5Ovk5FsKqmHQ8/MFMgiFjNr7mcl2I0BOqaK:/H47AVWUK5OvkQKqmB5UzT5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3460	2028	WerFault.exe	82

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 4908 wrote to memory of 2028	4908	rundll32.exe	82
PID 4908 wrote to memory of 2028	4908	rundll32.exe	82
PID 4908 wrote to memory of 2028	4908	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MSVCRT.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MSVCRT.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 600
    3⤵
    - Program crash
    PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2028 -ip 2028
1⤵
PID:2864

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

Loading Replay Monitor...