38dda5e4059a39cb4d766f65d84e8e02a7189bf50803c719af45403a1ee3c35f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 18:44

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General

Target

$APPDATA/closed/state/msie/custsat.dll
Size

33KB
MD5

1ff80ebe5082a13d02253b415aa26f60
SHA1

7da7551ec7f3f1e606edf9313595e4ebe45ac8d1
SHA256

e0088b6361c7ea8e611ba32542beff7ac12955991c82a5fe9ef5d9a97d6ca14f
SHA512

8c33e9427227835229d27f59206e55cd98c372e6a20981c6b0518a5f9b81c127b0f40276c21adac06a433c1947ab56f7f2166135d184dec1162b5071e3037e90
SSDEEP

768:8UEt7dso9+bc7m+S45ii3iiHUM6cST2WENZ3gUpSS:LEZyoE/AtXUbcSSWENdgUV

Score

3^/10

discovery

Malware Config

Signatures

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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 1432	3408	regsvr32.exe	83
PID 3408 wrote to memory of 1432	3408	regsvr32.exe	83
PID 3408 wrote to memory of 1432	3408	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$APPDATA\closed\state\msie\custsat.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$APPDATA\closed\state\msie\custsat.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1432

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/1432-0-0x0000000000650000-0x000000000065B000-memory.dmp

Filesize
44KB

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