adacfe2ad824e57b4d699143dc001cc90af25d1667e3a12aa50bc5ec0ae2f9ae

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 20:39

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General

Target

2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe
Size

37KB
MD5

9fba058bee69433e344c4f785b95909e
SHA1

3317ee8a49a8bf146a709a555d6356172de3dbbb
SHA256

adacfe2ad824e57b4d699143dc001cc90af25d1667e3a12aa50bc5ec0ae2f9ae
SHA512

d4f61aad3c8d3377554136768ae9da65827caf73d7dfb0901df04eb8cd6aa881a7026bfccb03e3ce99446f43a13a11cb98e70e50dc1685a2dec6459fe909bc10
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUT:ZzFbxmLPWQMOtEvwDpjLeW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023205-13.dat	CryptoLocker_rule2

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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4772	misid.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 3928 wrote to memory of 4772	3928	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	88
PID 3928 wrote to memory of 4772	3928	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	88
PID 3928 wrote to memory of 4772	3928	2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_9fba058bee69433e344c4f785b95909e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4772

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\misid.exe

Filesize
37KB

MD5
e572405f250a27ffbb4184da8a3cc5b6

SHA1
ceab58b0a82ec4f87e7c1add1518bc2727859605

SHA256
8b94818e4d88873b0eaa72dd720a2cf506c621d50fc00bf1c67687ecddc78f97

SHA512
9ecc3e174e5a5c8e61f83e6a186ff8db1951e97a718d773435d2276b26ed09e0aeba58daa65fa613e722d2c69123d7f7ec1f1056dd086c9fe5c88076d95d1eb2

Download Submit
memory/3928-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3928-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3928-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3928-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3928-18-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4772-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4772-20-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4772-23-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download