1968ad639d59bfe6e8fc8e20d3af5cc55071f137a8c4fe63d17e2e89086f384d

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 19:28

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General

Target

2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe
Size

76KB
MD5

25af329fb02929962e2866dd64c7704a
SHA1

517a1ab18b85dd8b6622523370e917ce95dd5154
SHA256

1968ad639d59bfe6e8fc8e20d3af5cc55071f137a8c4fe63d17e2e89086f384d
SHA512

f943f2125882ce0e04633b872bf3277cecf366c600290e2b8952dd74e8a38e2a438f2dde3df8edbb7fe21157edd3e939f759676b9e50cd42c3b76e738ace5fd5
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sib:X6a+SOtEvwDpjBZYvQd2h

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2932	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3016	2024-06-02_25af329fb02929962e2866dd64c7704a_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 3016 wrote to memory of 2932	3016	2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe	28
PID 3016 wrote to memory of 2932	3016	2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe	28
PID 3016 wrote to memory of 2932	3016	2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe	28
PID 3016 wrote to memory of 2932	3016	2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_25af329fb02929962e2866dd64c7704a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2932

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
76KB

MD5
e12f2807fc9d294b74fdd6dfaeaf46df

SHA1
33a51c4a77d052a19d19c7706c7b57ef67843bc8

SHA256
d7ec0ce1cfe1a4e6656df58a3c60d518069b7ec728b951961bc9a6b845c56712

SHA512
34e37d1c31e43e3428ae9b110d9563a9e817358c5ab4a13e180f41c388af1975dd6f6c2c8cfd8a6c024b814ca1174e0c2d3eba1e7f70a871bcabee0d6c6bc70e

Download Submit
memory/2932-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2932-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3016-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3016-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3016-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download