1357388fa41030ad1bd9f0f36259bd0c33d583032d3608acdf372b049f5617c6

Analysis

max time kernel
139s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:51

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General

Target

2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe
Size

50KB
MD5

e09fe5f2db0f54a6f8044dbc74831ef3
SHA1

545d0b86e59b0c8d354b6a9b0852facc0cb2ae74
SHA256

1357388fa41030ad1bd9f0f36259bd0c33d583032d3608acdf372b049f5617c6
SHA512

ae2cb9f910ef06006b922acab911d7c5027c1fb97a261085b888569373c3c495880aae3e80c5ee18f807102800821cb401b87e99ea2bc58beb1b3ae7c759a1c9
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXpQenhRT:V6QFElP6n+gMQMOtEvwDpjeJQ7pojkQT

Score

7^/10

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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5016	asih.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 5016	1772	2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe	91
PID 1772 wrote to memory of 5016	1772	2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe	91
PID 1772 wrote to memory of 5016	1772	2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_e09fe5f2db0f54a6f8044dbc74831ef3_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:5016

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
50KB

MD5
b314b9ded50436d18bd35bd9fe4bad4f

SHA1
ea9b61cca776d4e4fd160d798fef5857a1d6a031

SHA256
ddf87f4feeccb00a2788f65d191231f765065b0fa40a3212755c725f64bd768f

SHA512
8db620235dc9a13de037dec6fb3854d639a8ccb62b21774859b3fdb11653858c7fa51fcd2ce698c4f942a339744e12d1859e5e92adb149c291c00d7432771a88

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

Filesize
26KB

MD5
9b4c0444cb9d140df0722b7c42141833

SHA1
af1f7e358e5b3efc967a426bdf5be1208376cfc5

SHA256
06a8a7559a8cfc2d4aa72929f430d312e35b5b3cbd81a8372796ba853bea2fd6

SHA512
5794ccf5e22a025e555f4d87be8ce5a3d1b89fb154e33100ad4d7e0367aacf099a5188ea73669fb142681d888a8f081934378dbbe49c5714b090717aba0f801a

Download Submit
memory/1772-0-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/1772-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/1772-1-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/5016-17-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/5016-23-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download