b3abdb392497bb4a12def345900c77099e94bd1d271625ded91c06eaa6b3c9f7

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 02:40

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General

Target

2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe
Size

39KB
MD5

6124aaa5cd843a945f68964df4058fdb
SHA1

5ef31cf0715fdc6004a4962f718d9e733cf6c032
SHA256

b3abdb392497bb4a12def345900c77099e94bd1d271625ded91c06eaa6b3c9f7
SHA512

753ae3b4bca204baf0446398f0484d7d1f0cb32a23f2aed1f479adae49596de36d56f688d7d5ae9d90dc283d6116482e1d7303ba18462ae86011a13f7bbffb59
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0o:X6QFElP6n+gJQMOtEvwDpjBmzDU5o

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
532	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 532	2988	2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe	85
PID 2988 wrote to memory of 532	2988	2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe	85
PID 2988 wrote to memory of 532	2988	2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_6124aaa5cd843a945f68964df4058fdb_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
40KB

MD5
0e64f04f48c15cfa22cf83de701c827a

SHA1
c65533855a993c91c72d07bbc5060ee3418864a1

SHA256
c2555a453f64a33a892febe5cb699581b1a33751a4b2153f6c28e359c50dd0fc

SHA512
7363fe2dcbdb7b52a7a5796c966936598cc37cbb9f00e745928c85d3148733c861cfc9f4864ff002d39efc2b893bb1f5183669c3c069a99f2f2381167d044291

Download Submit
memory/532-17-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/532-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2988-0-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2988-2-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download