60f5244787828a82c59b0dec628971c311546d5354a2a0bbc25077961e9042a1

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
31/05/2024, 17:04

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General

Target

2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe
Size

38KB
MD5

03d29f2b5b747296ed57d7ccea57495f
SHA1

e44a23b9995e2a675e47c58dc21857c8def04761
SHA256

60f5244787828a82c59b0dec628971c311546d5354a2a0bbc25077961e9042a1
SHA512

43860640b82efb4a43323f16e9352f4b9091521dc50bdca2fdd8cd0dca5364e7f0fbf9ec15cac09149ea4f3d99329e54cc28d82b8414a02b6b85b82d39d0ed0b
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4Hz:fT+hsMQMOtEvwDpjoIHT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000141e6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000141e6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2400	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	2024-05-31_03d29f2b5b747296ed57d7ccea57495f_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 2364 wrote to memory of 2400	2364	2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe	28
PID 2364 wrote to memory of 2400	2364	2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe	28
PID 2364 wrote to memory of 2400	2364	2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe	28
PID 2364 wrote to memory of 2400	2364	2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-31_03d29f2b5b747296ed57d7ccea57495f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2400

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\misid.exe

Filesize
39KB

MD5
3efce5e66ee18dc5ddc3e1c899eed3b8

SHA1
8be992389c8c8346c0065937bf775bf5ee3e0d48

SHA256
1ba40045d0caba55a952c7f51f964d3b89923c6c83abd08d25a9772857a39c52

SHA512
b00b1012b31b2934839d8995e0f6ba8cd586fbb66553f6f371a0166cd63583e488104110832136f02695ca4e3d66daeabedbd77bf8e49064f3cf640d6309ab52

Download Submit
memory/2364-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2364-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2400-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2400-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download