6ab1440d889273a4706e9f0b238b0c2b227e38a3494454be07a4a39dd6a4b4a1

Analysis

max time kernel
143s
max time network
146s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 10:54

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General

Target

2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe
Size

63KB
MD5

ed959e9f6095825f36369e7fa5e8528b
SHA1

fd7e4d285dede361fe3adc3d328b17cd91a657b4
SHA256

6ab1440d889273a4706e9f0b238b0c2b227e38a3494454be07a4a39dd6a4b4a1
SHA512

67160921695d62db7cd5b3af6d8a6c20658b23de105b619cb74b7290c30fc9a4ea2f489948e66cd9cf54702feaeaf7b72f40ea02e21fd77cc06efb00d452d6b4
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299eX:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7s

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3068	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1372	2024-03-18_ed959e9f6095825f36369e7fa5e8528b_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
1372	2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe
3068	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 3068	1372	2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe	28
PID 1372 wrote to memory of 3068	1372	2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe	28
PID 1372 wrote to memory of 3068	1372	2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe	28
PID 1372 wrote to memory of 3068	1372	2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_ed959e9f6095825f36369e7fa5e8528b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3068

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\hurok.exe

Filesize
63KB

MD5
3d2619df2f35c090f71188b44d2848d5

SHA1
498afd7c6959be0b602d818964e1d958e50b30e6

SHA256
595186a9f280d55d694d43feb5e0158ed6e66f851cf10f3f5ab68dc81f683227

SHA512
3950a2de96656436da8ef62a4d5d230a8abf271a56fbd1daa1ca0a4073f790edb0e7890d9a44776d4f41f90ece2a4b489bdcf260c2f3db50302aa936ef2d1783

Download Submit
memory/1372-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1372-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1372-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download