a8982034b8745ca1dc3b8816b16961bf4e996c911c6411bca8530d8aea7e0610

Analysis

max time kernel
140s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 17:07

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General

Target

$PLUGINSDIR/ILInstallUtil.dll
Size

94KB
MD5

e331583b908a92193e0be215611c7309
SHA1

937106392134173fa3cd640c66ceea5152028e3a
SHA256

be44e27e8b1c78a2696451c8afa21412136bea12bc033ff9d0251922b4c97631
SHA512

35602924859dd83f23c728446b84e2c89fe4fa83a33842e50e96b7442ab16205ce634643185d13e086253e79685f0fbbb6c474c057b061f566ff763cbbc7d240
SSDEEP

1536:1DwwWKYggvaz76xH1Jsc9t6bnWza3RYcJnFGlTxaJZuE/9:9wwWKY567C1ec6bnWza3JFGlTxaHn9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
704	640	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 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 2540 wrote to memory of 640	2540	rundll32.exe	29
PID 640 wrote to memory of 704	640	rundll32.exe	30
PID 640 wrote to memory of 704	640	rundll32.exe	30
PID 640 wrote to memory of 704	640	rundll32.exe	30
PID 640 wrote to memory of 704	640	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ILInstallUtil.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ILInstallUtil.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 240
    3⤵
    - Program crash
    PID:704

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/640-0-0x0000000000290000-0x00000000002B1000-memory.dmp

Filesize
132KB

Download
memory/640-1-0x0000000000290000-0x00000000002B1000-memory.dmp

Filesize
132KB

Download