e4b210caea4432928727e860786c36e5ef6ecacced4b00374a049342d4b62183

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/01/2025, 09:36

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General

Target

vcruntime140.dll
Size

88KB
MD5

1d4ff3cf64ab08c66ae9a4013c89a3ac
SHA1

f9ee15d0e9b0b7e04ff4c8a5de5afcffe8b2527b
SHA256

65f620bc588d95fe2ed236d1602e49f89077b434c83102549eed137c7fdc7220
SHA512

65fbd68843280e933620c470e524fba993ab4c48ede4bc0917b4ebe25da0408d02daec3f5afcd44a3ff8aba676d2eff2dda3f354029d27932ef39c9fdea51c26
SSDEEP

1536:Lb8h/b8bgkjohTX6pz0y9v+xSUKF1IuCmgnKecbWJdazlTjznFKwcjzBG:LbWUgkOTX6ey9v+xSjFyuBecbWnaNjjb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2972	1640	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 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1704 wrote to memory of 1640	1704	rundll32.exe	30
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31
PID 1640 wrote to memory of 2972	1640	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 220
    3⤵
    - Program crash
    PID:2972

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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