a4f26a6d972545b039a5db14641024117369b275a42ded73854706d73ba6dd23

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 20:32

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General

Target

2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe
Size

97KB
MD5

3f31ee8ad8da4b9ad77aca3bdc43e50a
SHA1

786dee5b0aab2e731bdd6ed07c78bcc345a36e79
SHA256

a4f26a6d972545b039a5db14641024117369b275a42ded73854706d73ba6dd23
SHA512

410735b5dc78f2de07bb2759c10158b7fc91bf53a1df4c7512e3aee4ef767458c11f7de828464bf5e833ac3b41d0f84718b6c982683b9165e82a622c5f8658d4
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0A:V6a+pOtEvwDpjtzo

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2032 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe

pid process

1652 2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2032	asih.exe

pid	process
1652	2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe

description	pid	process	target process
PID 1652 wrote to memory of 2032	1652	2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe	asih.exe
PID 1652 wrote to memory of 2032	1652	2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe	asih.exe
PID 1652 wrote to memory of 2032	1652	2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe	asih.exe
PID 1652 wrote to memory of 2032	1652	2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3f31ee8ad8da4b9ad77aca3bdc43e50a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
97KB

MD5
9c15121070bfe18bbb6971900b3e57a5

SHA1
8024d61d17f64ff464962689b2f5cd4cf792bb9e

SHA256
57c3c6eb05a9cdf06f523fd14b2499d4a0c77d3fb9a9c8e88c44fc9c560c93cb

SHA512
e1dcda6c2be56972093d2517e04d237bcca54214bba1aa7a4b0021eeefb72bafd5f452dd49dfb2f900f7103a2156f04d534da2e1038bd4f7f3e4b3b737f400ae

Download Submit
memory/1652-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1652-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1652-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2032-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download