aa63d723e0fde39bd468725d9ab31e22fded6f389399dc31f1ccf8bf87bee110

Analysis

max time kernel
133s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/08/2024, 20:51

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General

Target

icuio56.dll
Size

41KB
MD5

320ef357ae6453dffdd5efabdf4d6dc5
SHA1

865dff4e339361c6e564f9a7a9af1283727542a9
SHA256

6f98cf147c3b695f488a1c7257644c68200783b5ab4c8e3f2a2b5319d4b4244f
SHA512

788cdc6f326ce71c5d2ed55c4db2b23b47fbf265fd5b0232a1b12510657d43333c746bfdad20cf5941c027d857075378d88bf3769bd2dd7d79f0d73662ffa29e
SSDEEP

768:1HK3+/aI/IbZjQlAP4HmkmmTtv1zb3K116O1TleBDCuVPnGxcu:1HK3zIsQlamRRKHlTleBGuVPnGx

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1360	856	WerFault.exe	85

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 1576 wrote to memory of 856	1576	rundll32.exe	85
PID 1576 wrote to memory of 856	1576	rundll32.exe	85
PID 1576 wrote to memory of 856	1576	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\icuio56.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\icuio56.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 616
    3⤵
    - Program crash
    PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 856 -ip 856
1⤵
PID:4428

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

Replay Monitor

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Downloads

memory/856-0-0x0000000002100000-0x00000000022C1000-memory.dmp

Filesize
1.8MB

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