837b17ae52d356f7aa2fb6149494ed7b4b362227e8e986f609b0eebf4c545fd0

Analysis

max time kernel
95s
max time network
133s
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_jcalg1.dll
Size

20KB
MD5

d5819e20137c078405d4d6fad8eb606f
SHA1

bdd57c7143d0f101df453c820cc8f53528bdc407
SHA256

d05aa949787edbb27006411d7b1ab1bbea45e9fe63e2abe252d4e9a230632ccc
SHA512

7ed5fe433cd30d97f8c429a74d8d1c8c62983dd08ef91691858a8b398b68e9f2b9438c2df36d9e064c5ef649e35dd147839585b439dec8a4cb033cbb00095922
SSDEEP

384:TZFbsjKrMn1J9+Sn8rty7dOepfyrleS3yWymZFooTHQwdLI3gvClXK7:TZFsv1JEk847kepfaymnfwwJF

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 3456 wrote to memory of 5048	3456	rundll32.exe	84
PID 3456 wrote to memory of 5048	3456	rundll32.exe	84
PID 3456 wrote to memory of 5048	3456	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PECompact2\pec2codec_jcalg1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PECompact2\pec2codec_jcalg1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5048

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/5048-1-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

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memory/5048-0-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

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