837b17ae52d356f7aa2fb6149494ed7b4b362227e8e986f609b0eebf4c545fd0

Analysis

max time kernel
135s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 04:46

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General

Target

PECompact2/pec2codec_brieflz.dll
Size

7KB
MD5

4090c47b88a56130218b090e9e8f5b40
SHA1

29f422f7f76a05e0fc35703481e5d53272487fed
SHA256

ea519206e0af24f5249680aa5b2cf4d4df756fcc8654c68fa2f3347cc8af728a
SHA512

df42a9e31dbfdcdc3566d5f3ad94d67abb9f93ce3936546f2ad41e1aecdf0989a7afe3990843487e8f7d24a5c217363ed0b4d2dfa615eb5e51af7ed44eaa6094
SSDEEP

96:IJTM5po7AgL/lSP5OsFh3Oc85qiG51HKl1qlO6mQLGr18SI1Bb:I9WwAgL/QhL4NqPKbqNmQLGhLI

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 1424	3904	rundll32.exe	86
PID 3904 wrote to memory of 1424	3904	rundll32.exe	86
PID 3904 wrote to memory of 1424	3904	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PECompact2\pec2codec_brieflz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PECompact2\pec2codec_brieflz.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1424

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/1424-1-0x0000000000CD0000-0x0000000000CD2000-memory.dmp

Filesize
8KB

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memory/1424-0-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

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