6822ab0deb2c633ceca291266acfe0468e2d3dccd50a20b2502de7fe49e6a441

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20-02-2024 12:31

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General

Target

2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe
Size

38KB
MD5

53bf6a31f07f5a61235930c905e2822b
SHA1

843916d77732ab63ae633741816847f0a61ec351
SHA256

6822ab0deb2c633ceca291266acfe0468e2d3dccd50a20b2502de7fe49e6a441
SHA512

50acd75c440cc85f2a4827bc61df2a340d1c1156991c5b2686326c27d6321d04be1448e2c5b2b7aa6eacebd6c053a711bb38208ebf82102488754ccd1a5fa415
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7n+i:ZzFbxmLPWQMOtEvwDpjLeB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001232b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2920	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1272	2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 2920	1272	2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe	28
PID 1272 wrote to memory of 2920	1272	2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe	28
PID 1272 wrote to memory of 2920	1272	2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe	28
PID 1272 wrote to memory of 2920	1272	2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_53bf6a31f07f5a61235930c905e2822b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
38KB

MD5
940eee16babf798cb497f628588e2403

SHA1
2aa57b9775876c3f0ad730df3c6bcd17bb580317

SHA256
7b18b73cbb2ba5e7376a7df7e49d66edb56b938661f3c16945a1b3a872dc2be3

SHA512
203bc8d8af36fc88924ab6c6a80c5610ace106045adf62910e42841a74173be42eacdfd078667812f22b93eeae6e1e63ce3b345fe31e2ba13160610e785f1c7b

Download Submit
memory/1272-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1272-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1272-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2920-17-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download