e2cd43d988121ee0cf9bdbaa46d5d1cc99dd742cb0540f674923621eef0d57fd

Analysis

max time kernel
81s
max time network
135s
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

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General

Target

TIR/CONFIG/MSVCR70.dll
Size

336KB
MD5

9972a6ed4f2388dbfa8e0a96f6f3fdf1
SHA1

61b8f573db448ae6351ae3475c2e7c482d81533c
SHA256

f68e4cdbc879423ea47d763a6768567f5f8063924f13a74239750c13fa8d168a
SHA512

d1b7513ae1176c9a933baddcd1bf93fa089eca605c8abcfd628d3bef2f194347cd96bb39d849ebc6d8da350b292116cb2efb8a001acdb1b1cde4ebdad33fa33e
SSDEEP

6144:SJXaB17daPjFKMrwgWs0uh+PGdmkV2EfFMQiFbNrboYgxg0bCAO5Z09:yXaXJaPJKMrwgT0u0PGdmkV8O7rCLZy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	1944	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 872 wrote to memory of 1944	872	rundll32.exe	82
PID 872 wrote to memory of 1944	872	rundll32.exe	82
PID 872 wrote to memory of 1944	872	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MSVCR70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MSVCR70.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 600
    3⤵
    - Program crash
    PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1944 -ip 1944
1⤵
PID:1804

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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