4340188cb162ea9b961e8e1270cc0974f94d46c3c1a2305fb8a4d5b93b9925b3

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14-06-2024 07:39

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General

Target

2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe
Size

52KB
MD5

5309d884e725a7aa77aea5a1b79de9a2
SHA1

20319bd676a69b6bd908fc044870582ea5a48707
SHA256

4340188cb162ea9b961e8e1270cc0974f94d46c3c1a2305fb8a4d5b93b9925b3
SHA512

3e0a7e76c9ed15d46f10f00e84c987c5ffcb9cca3073a70a2a02dbcba03d3103a3aca0a6faf6b06a90f71aee18c80fe05f22ed6b31845d0d68604133f8e32145
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaf2f:X6QFElP6n+gJBMOtEvwDpjBtExmln2f

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001472f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001472f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2580	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_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 2184 wrote to memory of 2580	2184	2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe	28
PID 2184 wrote to memory of 2580	2184	2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe	28
PID 2184 wrote to memory of 2580	2184	2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe	28
PID 2184 wrote to memory of 2580	2184	2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_5309d884e725a7aa77aea5a1b79de9a2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2580

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\asih.exe

Filesize
53KB

MD5
89782b6849a7da24ccade972d88e99f2

SHA1
f140c4d0f2ff0eb44c686ee3477a6a2c32c46bdf

SHA256
b66898ef969a69a084096ea7c5ca7e1701374aef1abf40e5e5841a7146349670

SHA512
0f5f1b2706e9c14af8641ffdf3cbbc8faa0f557f85075b9b233f396aea223a2a5301238a7f316d2effbbacd033e498061d5184fd37cf8d4f8b73c3ca0a8bfeef

Download Submit
memory/2184-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2184-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download