e38a3df1ba700912ff595a044c47f7e828d5f1679274871acfebd5d9a7d4583d

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 00:42

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General

Target

2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe
Size

48KB
MD5

c6afc7b04292ffb1ae456e74de239c4c
SHA1

f6452004682f5447c4bc0acfd075e1b1729c89ca
SHA256

e38a3df1ba700912ff595a044c47f7e828d5f1679274871acfebd5d9a7d4583d
SHA512

468e249c55b7ba997d7db7d9c243e20442fd7b204747c240a98b57b41cfd6a9684a02cdbf196e710ec32831ac9855403e959036e85528597ff8b16878a8c9c16
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatshz:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7m

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000120fa-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000120fa-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2004	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_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
1688	2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe
2004	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2004	1688	2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe	28
PID 1688 wrote to memory of 2004	1688	2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe	28
PID 1688 wrote to memory of 2004	1688	2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe	28
PID 1688 wrote to memory of 2004	1688	2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_c6afc7b04292ffb1ae456e74de239c4c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1688
- 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:2004

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
49KB

MD5
bad31ea2107a95fb88513e34367907f8

SHA1
eced1a3fa5c1734ec95dc5ac338b2b076d9ac6d5

SHA256
817614d74720c8941d337087e12ecd33c38428d88535d5540d9f79251d6f7fd0

SHA512
9998699652564a1563338f3586687580a5ec2fd637949e94c77a8f8254a73a72ee96e49825ba552d95467a7a71cab6b82db1ae4d3a2dc1a4fcfe602d41e2a91a

Download Submit
memory/1688-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1688-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2004-23-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download