7e444894dac4b01faf8739a339bcdd18e0bc89fb6cb84204d55d7421da157522

Analysis

max time kernel
90s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 15:21

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General

Target

mini pack/MSVCRTD.dll
Size

424KB
MD5

01c72cfcaaed3a7564e5b893b7712d28
SHA1

f6c83fbf9be1f5ab40cabd63dfde4df340cb74c9
SHA256

9ccc9526a034e337c1db7f4afb60d88130ebca9327287915ed50e87c873e44f2
SHA512

5f0436e6632e095f9ea59d349cce9fc4497ffae8c5cf41e15114cccba479c0d150d8dfc0b0a2468ed5e9d2f762ecc13279322e736ba14b69223e6acb3f84bc62
SSDEEP

12288:/Yv0270NrYYCh8vzjLdazkyFnVt7EdvcCPBGYD90Xhjc8OtBfRw:gv0270NrYGTdaoyDBEdFSOtBfi

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2772	2676	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2188 wrote to memory of 2676	2188	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	31
PID 2676 wrote to memory of 2772	2676	rundll32.exe	31
PID 2676 wrote to memory of 2772	2676	rundll32.exe	31
PID 2676 wrote to memory of 2772	2676	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\mini pack\MSVCRTD.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\mini pack\MSVCRTD.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 224
    3⤵
    - Program crash
    PID:2772

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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