d07ccbf70ee7af8a34206cb8dd984271a0c7fb20ce5e89dfa5cfbccbb418081f

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 22:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe
Size

34KB
MD5

5ac61d5f6ecf9fb1159dd0d0cc13af86
SHA1

dfceb79e8d4a9260fbfd04219d98d6943b43d888
SHA256

d07ccbf70ee7af8a34206cb8dd984271a0c7fb20ce5e89dfa5cfbccbb418081f
SHA512

2adb0d6894cd8044bb1b86f12352bc0d2ae61ee285fe68808652f2f17adda0b630af610e891ad2c3fe8af3d7ec31d41559989ecf292f56ad7c568d82a0f11fc8
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B1RU3qE4kbo:b7o/2n1TCraU6GD1a4Xt9bRU6zAo

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015df1-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2092	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_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
2548	2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe
2092	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2092	2548	2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe	28
PID 2548 wrote to memory of 2092	2548	2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe	28
PID 2548 wrote to memory of 2092	2548	2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe	28
PID 2548 wrote to memory of 2092	2548	2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_5ac61d5f6ecf9fb1159dd0d0cc13af86_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2092

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

Loading Replay Monitor...

Downloads

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

Filesize
34KB

MD5
488226cf48c76a49d187e5536377cdf3

SHA1
adae0899899f5d0d226695b8680ba5b671b60990

SHA256
081bdda53440b84f48a20930b44d8ef68fd33d9254cce32f9ffdd4c6dbe122b1

SHA512
8710e655f464b842e814d8693d7665cd15555c7e7899b8ac3accfe3865d93b65dcc95c4b994f118cd4b2612163ba4f859f1e0e33331cc5ac44d883ae8bc8bfe9

Download Submit
memory/2092-23-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2548-0-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/2548-2-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/2548-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download