1a34bba303197eade878b483cd8b02c2bd6bd2af9d5ec501bc61b4b318704f0c

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 08:04

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General

Target

icuuc44.dll
Size

1.2MB
MD5

9053fa6645fbcc6e57e10e415e472d68
SHA1

7ddfacbf1d7df2befe0b056836e174d897c4d182
SHA256

bce35e6b825bd56673c11081af58f217573a02ddc86a0cee9270362b492a2ff1
SHA512

2e593e80c90cc69fee7b90b7c1053ec53f1c4d3938c269b313f8a95e66de503fb0eadcea7718ed92c1dcdbfeb66b5684b84e63dfa113a3827fc25a3b1a376010
SSDEEP

24576:O4/EloDiFNIBBCQwHIKSYThyypZiKzk0R5l:O4/moDwNr8Sjdl

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1932	2156	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 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2948 wrote to memory of 2156	2948	rundll32.exe	30
PID 2156 wrote to memory of 1932	2156	rundll32.exe	31
PID 2156 wrote to memory of 1932	2156	rundll32.exe	31
PID 2156 wrote to memory of 1932	2156	rundll32.exe	31
PID 2156 wrote to memory of 1932	2156	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\icuuc44.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\icuuc44.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 224
    3⤵
    - Program crash
    PID:1932

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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