c1612cf2f706062a25dda9d6fdff2ad2980514e5ca8a539b99ee6d5af170ff14

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 23:31

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General

Target

2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe
Size

73KB
MD5

b18986a808394c15e18f60e7da792512
SHA1

cd84d2a1974f188fdca29085aa06f3e71523ec6f
SHA256

c1612cf2f706062a25dda9d6fdff2ad2980514e5ca8a539b99ee6d5af170ff14
SHA512

d2cc17b3ffb1d14cb21d33466aa5208cf6d364b197040d42e108ce472298b7ae776aa85335d8d8011651fe4624d163c550b0118a48357907316c16942ce4eab0
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1svrt:X6a+SOtEvwDpjBZYvQd28x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2712	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1956	2024-04-23_b18986a808394c15e18f60e7da792512_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 1956 wrote to memory of 2712	1956	2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe	28
PID 1956 wrote to memory of 2712	1956	2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe	28
PID 1956 wrote to memory of 2712	1956	2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe	28
PID 1956 wrote to memory of 2712	1956	2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_b18986a808394c15e18f60e7da792512_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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
73KB

MD5
aa4e8b67c89f88dd646b8befaa0d52fa

SHA1
c5c0f3eabc37dab3eb78006355bcb82bc39e233a

SHA256
0ae624386f9a6d087c0e39a8dbbb8fa11ddfa5a04953c1fe3e4eae35639d8706

SHA512
3f91ee73ef30fcf7b38e93a4739fc4da51bf9ede53e1d14ef9bcecd73aeaee860ca62abffc0c0f227a6437bb19d2029b707de82df56e7842d50409df99b0fb06

Download Submit
memory/1956-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1956-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1956-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2712-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download