d19cdfe515dc6baad319a245e9c559254e37e387d4c596ed44963a324afabbf4

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 05:29

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General

Target

2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe
Size

38KB
MD5

c91af47ec876293a917223c696c0c0a9
SHA1

d84749d970ff4921e01610bf6e254154a7ddba1c
SHA256

d19cdfe515dc6baad319a245e9c559254e37e387d4c596ed44963a324afabbf4
SHA512

9b9551f0d84a6a9ad6dea7da29fcd869d8ad1b4dd515d2ea66533f045b6ffe2bc1c1ab2a47453a7344de2352ac92d354ae170cd69d34bddc2b1d97a926f6c979
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZnfXsT7:bgX4zYcgTEu6QOaryfjqDDw3sCu5mXq7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001225e-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3012	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2340	2024-02-22_c91af47ec876293a917223c696c0c0a9_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 2340 wrote to memory of 3012	2340	2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe	28
PID 2340 wrote to memory of 3012	2340	2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe	28
PID 2340 wrote to memory of 3012	2340	2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe	28
PID 2340 wrote to memory of 3012	2340	2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_c91af47ec876293a917223c696c0c0a9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
38KB

MD5
a1ed82e0add90ef1bf87d6c1c93e3bc3

SHA1
4b7d5c535299e4555a1c10684f760ee2b5e48424

SHA256
326bac7c2abf95594abc25166d95b818c755124802e8b0a3371da377520cefc7

SHA512
34a116e39229809a068de859c9f0459bb21554290cc93a87781ade4c1bff14cc060b8c28d70cb0f57a0f4b5d31b1beec17c342ba7e7c6ccdfbfc8f6e4fbfd295

Download Submit
memory/2340-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2340-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2340-3-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/3012-22-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download