ba71b32eb2a35e79b50a91c4e934421228161422fb56ada3fa132386e46aab56

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 18:25

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General

Target

2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe
Size

71KB
MD5

0e9c1b6c3f65725edc94a274e1cd3afc
SHA1

5020ea0369d4464491edb5833768407c1d03c7b9
SHA256

ba71b32eb2a35e79b50a91c4e934421228161422fb56ada3fa132386e46aab56
SHA512

8735eacfbf448e73216eca600926b53a635e5d4ce09918dd2182c951fd26894aeef02999b091ed31739574ce4c12acb09ef446832a4fe89bcec7be818ced7ec4
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/R3:vj+jsMQMOtEvwDpj5HZYTjipvF24/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000136fc-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000136fc-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1548	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1312	2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_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 1312 wrote to memory of 1548	1312	2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe	28
PID 1312 wrote to memory of 1548	1312	2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe	28
PID 1312 wrote to memory of 1548	1312	2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe	28
PID 1312 wrote to memory of 1548	1312	2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_0e9c1b6c3f65725edc94a274e1cd3afc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1548

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
71KB

MD5
f76c3f932d9b23280ffb15c369ebe6d9

SHA1
7abfe4636c809f75b8d4d6e9f3b08f1ab8c05da0

SHA256
26fd8f6e86054d3d86de98571afbee220395a5f3e5234ceddecea5537244beed

SHA512
0334eeadf387939c711c11306772919751e59f4455d73a7d536755aac1991517d8127bcf0daca594228620248d68ce0203487b0bb0b687853a6f313f0a5856b2

Download Submit
memory/1312-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1312-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1312-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1548-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1548-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download