f1322154820dc0f04a6244ebe4074a7d3a1dfb496d0ce90d9cbe02e26bf46bcf

Analysis

max time kernel
82s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 04:29

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General

Target

$_10_/CoopenMainManager.dll
Size

868KB
MD5

60aee0a9b29f56e333093d237fb20f6b
SHA1

a3023dab4d74a0e9803382e20b64ce780c9c2ff3
SHA256

4675621564a482c0d242e86d0da3ce818e60143672155570a3a14ec09f6afa26
SHA512

9f7224e38056fe18bc34730496faa739fb245a70fb429365b1044c606ca22d2bb5338323013c436dbda63bf863683eb2bfc3a0364777c8df2149a8691c4ffdda
SSDEEP

24576:wuDnWTh+oi/Epr/xOUr3hrp/zUP9Ujb2xkY:wuiFO/Ep0irpWUjb2xkY

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	2324	WerFault.exe	29

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 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2888 wrote to memory of 2324	2888	rundll32.exe	29
PID 2324 wrote to memory of 2164	2324	rundll32.exe	30
PID 2324 wrote to memory of 2164	2324	rundll32.exe	30
PID 2324 wrote to memory of 2164	2324	rundll32.exe	30
PID 2324 wrote to memory of 2164	2324	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_10_\CoopenMainManager.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_10_\CoopenMainManager.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 272
    3⤵
    - Program crash
    PID:2164

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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