8a0ed0435a4fc2f9256db11565599934b1e33d57713dfe3fa3479fa087821712

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 16:27

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General

Target

2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe
Size

123KB
MD5

18da705f08ba6e3ccc06405a28f0970e
SHA1

8847027c54aed51c25d32dc313b06c63c72aa16f
SHA256

8a0ed0435a4fc2f9256db11565599934b1e33d57713dfe3fa3479fa087821712
SHA512

6fe9720c87c712f637a79cd813c637562467f160bf5271f5d961075e1d2f12ab4a1b4a48259ef166e30b0f1fac6e0128a0346f1fafe08ec4a9f8960ff70857a8
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTKryEz:gUj+AIMOtEvwDpjNbwQEIPlemUhYaWEz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000015c9a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000015c9a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2524	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	2024-03-14_18da705f08ba6e3ccc06405a28f0970e_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 2172 wrote to memory of 2524	2172	2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe	28
PID 2172 wrote to memory of 2524	2172	2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe	28
PID 2172 wrote to memory of 2524	2172	2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe	28
PID 2172 wrote to memory of 2524	2172	2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_18da705f08ba6e3ccc06405a28f0970e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2524

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
123KB

MD5
ffff7e78d4cf8ad604919a572d2f491f

SHA1
f2dd3ad4c06351635006712378f7ddf76d466a52

SHA256
888e7959df39818f2c4f3c2149e35072b0649a7248b682c1c0166f6d47168714

SHA512
a69db0bc0f5e53f0e8663eb28a5c9eb0e7a38c2f98cb2c9aa2f263bbc44cada4b078b810975d65044448693d1b047ddddb5daed04e163efc5db85ae8bfded484

Download Submit
memory/2172-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2172-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2524-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download