c4be027fad011fc9229c75048bd694e7d6ae1eecf7250516acb80479ef29a7a0

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 04:25

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General

Target

2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe
Size

73KB
MD5

0f0c0f1d9f258928d62e170086848a2b
SHA1

c649a1a2f16b2bd1a865229c9440a2393255d937
SHA256

c4be027fad011fc9229c75048bd694e7d6ae1eecf7250516acb80479ef29a7a0
SHA512

7c58cbbcefaf5055c04f65b3d4e8158bbe148e8d697bb4bbb76eefbed48d7669a9f427ee9d98d9f78bca3b2650fe83fed9def62ba2864680887584bb1ab4b9c6
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOQ2s:DW60sllyWOtEvwDpjwF85N

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	2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	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	2024-09-28_0f0c0f1d9f258928d62e170086848a2b_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 3436 wrote to memory of 2588	3436	2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe	83
PID 3436 wrote to memory of 2588	3436	2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe	83
PID 3436 wrote to memory of 2588	3436	2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_0f0c0f1d9f258928d62e170086848a2b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3436
- 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:2588

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
73KB

MD5
77b40747deb2f06e23743a94ff4e03ac

SHA1
15815baf189d586edd3788c1b7d92c45975e2a87

SHA256
982ceed3f2955f2ae7f497a9a5ac25e71443a048d0c0643188b6d621279c1e90

SHA512
25308c5d070bc4971b1c2c8d6fbce45fa12deed915e4f604a2950d2b174e5da10150d58cccc6915efa9f2ad9fe334c083c3f28f7499ace23d96bd389067874a7

Download Submit
memory/2588-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2588-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2588-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3436-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3436-2-0x00000000022F0000-0x00000000022F6000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x00000000022F0000-0x00000000022F6000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/3436-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download