6ad1835f4a03f110b2094ede277a362ccb36bef8613bffb0a07380e3a666f18c

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 14:19

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General

Target

engine/msvcr100.dll
Size

752KB
MD5

67ec459e42d3081dd8fd34356f7cafc1
SHA1

1738050616169d5b17b5adac3ff0370b8c642734
SHA256

1221a09484964a6f38af5e34ee292b9afefccb3dc6e55435fd3aaf7c235d9067
SHA512

9ed1c106df217e0b4e4fbd1f4275486ceba1d8a225d6c7e47b854b0b5e6158135b81be926f51db0ad5c624f9bd1d09282332cf064680dc9f7d287073b9686d33
SSDEEP

12288:fQmCy3NeRjkpQmj3oaMtQqjoygfXq3kon9IlbgaOxQdVJJ6j5EBKX8hR5:ImCy3VQs9MtLjTgfa3kon9FaOdEz5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2008	2540	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2556 wrote to memory of 2540	2556	rundll32.exe	30
PID 2540 wrote to memory of 2008	2540	rundll32.exe	31
PID 2540 wrote to memory of 2008	2540	rundll32.exe	31
PID 2540 wrote to memory of 2008	2540	rundll32.exe	31
PID 2540 wrote to memory of 2008	2540	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\engine\msvcr100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\engine\msvcr100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 220
    3⤵
    - Program crash
    PID:2008

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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