9b7ae3ea3a2ba7dfcdfce8c4c7882b7a856366707f1a98cb4dc8d693728ca259

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 10:49

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General

Target

2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe
Size

34KB
MD5

e20bead585124ad01b3e178b2314a215
SHA1

644349dcd411cfb04bf4a2da29da43612bf4b065
SHA256

9b7ae3ea3a2ba7dfcdfce8c4c7882b7a856366707f1a98cb4dc8d693728ca259
SHA512

506c9537ddb77da59f09f212afd8b32d49f347294237bda6d12bc2dcba64587cd602714d2dc81f943c277865ae7fca183e1405a43a385726a989b6a7e1b6a2d8
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4u:fT+hsMQMOtEvwDpjoIHu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012232-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012232-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1976	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2280	2024-03-14_e20bead585124ad01b3e178b2314a215_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 2280 wrote to memory of 1976	2280	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	29
PID 2280 wrote to memory of 1976	2280	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	29
PID 2280 wrote to memory of 1976	2280	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	29
PID 2280 wrote to memory of 1976	2280	2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_e20bead585124ad01b3e178b2314a215_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1976

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
34KB

MD5
3340e2058d62771cc9788be9b538f165

SHA1
af6c970dc8ea40b7f4090e507e5ccbd3ef036d9a

SHA256
908c7b77aea53fc95cb9d6f2a4817113386dfbeacbe8e52a5c3db7bac988352e

SHA512
7db8b72226214bfe401043f91d2e5af28bde76ddeda3ec828eb6d0b6168c67ce250db0cad89fabdcec84e0f12f4edcf64c950f0b960dd10684ec9fa65590f507

Download Submit
memory/1976-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1976-15-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2280-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2280-1-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2280-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download