04afd033b3ab934e0691442dbfa88969773f055b58a49c176c72ebb1af98bf6d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 11:26

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General

Target

2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe
Size

33KB
MD5

12d7a3b40aa74d9d5586520f1a2a6389
SHA1

bbca7684064406279f033465ab11ca9eb90cc635
SHA256

04afd033b3ab934e0691442dbfa88969773f055b58a49c176c72ebb1af98bf6d
SHA512

1052f6890c86143b18333e09cf7c36ead9ae451f1c3b24018d16ad7b1c5b167c17574ee7e5c81416b6e5ee0d714ed3a4f330cd8302b091a50220ba6f3f3e7711
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cuM9JYUGVZE:bAvJCYOOvbRPDEgXRcuM9HGVZE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023235-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
3612	demka.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 3076 wrote to memory of 3612	3076	2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe	88
PID 3076 wrote to memory of 3612	3076	2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe	88
PID 3076 wrote to memory of 3612	3076	2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_12d7a3b40aa74d9d5586520f1a2a6389_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3612

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\demka.exe

Filesize
33KB

MD5
2e7f5b13120dd9eab9c0f81a55dbeb49

SHA1
45270b977928326c332a896d8550676166780fa8

SHA256
3104cbd3b8eb6fa644aca9138f91a71c695a2d02d8f4a9c31d5ed92cf80fae91

SHA512
584436c3c680b51f93d65db4b367d80a39f653a75c952279e389d83cc7534434fe526a9a1daa3b9ef34e801cb360664648aff4c8a53694a711dd59c56cd816ad

Download Submit
memory/3076-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3076-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3076-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3612-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download