0c09d285b627be4f637310f7e0d7ad8070d51e30fe22f99f5714cbd152f1755f

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-03-2024 21:54

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General

Target

2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe
Size

26KB
MD5

ce0b76678fefc9bbc6b9ffad158ef1e7
SHA1

214cee654c696562e229f66f63e278818176d5a0
SHA256

0c09d285b627be4f637310f7e0d7ad8070d51e30fe22f99f5714cbd152f1755f
SHA512

56ae8ea4b3e4afcc73aba53fe471b882fc0d850317895c27d4505c668fa88c0db1090f5205d4bf73b6520059419156b2cf33e1b32a9bf232fc5633f98793f2eb
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznux:b/yC4GyNM01GuQMNXux

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001222a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2524	retln.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2208	2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe
2524	retln.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2524	2208	2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe	28
PID 2208 wrote to memory of 2524	2208	2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe	28
PID 2208 wrote to memory of 2524	2208	2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe	28
PID 2208 wrote to memory of 2524	2208	2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_ce0b76678fefc9bbc6b9ffad158ef1e7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\retln.exe
  "C:\Users\Admin\AppData\Local\Temp\retln.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2524

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\retln.exe

Filesize
26KB

MD5
6161234c137a60976328d218dd4de56f

SHA1
e959e8697f8153fcba0c584b0a52cb962ca76ca7

SHA256
93d60e3b5bef3d99be5601b4b199143c2c08f74ce89bb123936a82ec3aef034b

SHA512
b95f6ac0570103a9c532d6394a6bbeca2b5aeadbc7320aab768f7e7c4fccd889f03b7e54270ce58f00daa955826243fa3061bfd012dffb39ffa98064186d1b51

Download Submit
memory/2208-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2208-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2524-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download