f3c875d00d85f18a8d7770d760a4a7004f96559167d6250298b3ec3ff063a43c

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2023, 13:16

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General

Target

2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe
Size

30KB
MD5

39354e11f6a073d8b4d75051972f70a4
SHA1

2d319d0f465c9d0380dcb914a4d93b853e994453
SHA256

f3c875d00d85f18a8d7770d760a4a7004f96559167d6250298b3ec3ff063a43c
SHA512

26f57465f49a3cc67e10f63bf780c3210e45232bb9054cd73f1035e9401766f3ef5a8c0e5060a2aacf74a627c60cae61b28b9ddb8f7800edcecd7387f94472c7
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBjb1Q:X6QFElP6n+gJQMOtEvwDpjBnW

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-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	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 3516 wrote to memory of 4868	3516	2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe	86
PID 3516 wrote to memory of 4868	3516	2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe	86
PID 3516 wrote to memory of 4868	3516	2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_39354e11f6a073d8b4d75051972f70a4_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4868

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
30KB

MD5
912c9580c19f72e313737f66219a6368

SHA1
11d4c5dc5372513d458c4ba521da96c9a1c11c49

SHA256
ef657b2e37ce150f284fbdc10872a850a0626663ee8fb9163310d8963f8f5c74

SHA512
98b7c1a9187c3757ae2588c51980ac604595394dcd311e8b5af69dabcdf64722c834440e1518dbe3b339dbc288c4363d94c7340858df0c09b96bde2db833b21e

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

Filesize
30KB

MD5
912c9580c19f72e313737f66219a6368

SHA1
11d4c5dc5372513d458c4ba521da96c9a1c11c49

SHA256
ef657b2e37ce150f284fbdc10872a850a0626663ee8fb9163310d8963f8f5c74

SHA512
98b7c1a9187c3757ae2588c51980ac604595394dcd311e8b5af69dabcdf64722c834440e1518dbe3b339dbc288c4363d94c7340858df0c09b96bde2db833b21e

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

Filesize
30KB

MD5
912c9580c19f72e313737f66219a6368

SHA1
11d4c5dc5372513d458c4ba521da96c9a1c11c49

SHA256
ef657b2e37ce150f284fbdc10872a850a0626663ee8fb9163310d8963f8f5c74

SHA512
98b7c1a9187c3757ae2588c51980ac604595394dcd311e8b5af69dabcdf64722c834440e1518dbe3b339dbc288c4363d94c7340858df0c09b96bde2db833b21e

Download Submit
memory/3516-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3516-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3516-2-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/4868-17-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/4868-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download