65cfb1d077991f89ccf30d61f5f5330d37f8edc40a56e5df628a31bde454576c

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 02:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe
Size

42KB
MD5

8153745bac2814b273a0bdeb5ba1e514
SHA1

b702785ab0cf0627c4e7bc0da1010c2988699cf1
SHA256

65cfb1d077991f89ccf30d61f5f5330d37f8edc40a56e5df628a31bde454576c
SHA512

dfe24ce10849804390ad17386286b39221e74ea436437e1526ec5d2470761639445907126b752682af91dafd00b2c512b96922f771d3cae8052a4a0804e78bc2
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9f:X6QFElP6n+gJQMOtEvwDpjBmzDkWDF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000014890-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000014890-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2036	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1636	2024-04-29_8153745bac2814b273a0bdeb5ba1e514_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 1636 wrote to memory of 2036	1636	2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe	28
PID 1636 wrote to memory of 2036	1636	2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe	28
PID 1636 wrote to memory of 2036	1636	2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe	28
PID 1636 wrote to memory of 2036	1636	2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-29_8153745bac2814b273a0bdeb5ba1e514_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2036

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
43KB

MD5
43eab3a35516f8a23e3e2b30e96c3e93

SHA1
878edd99777f2c28cc8c8bdc3354708362132c83

SHA256
d66bea9eb82a0514b91b45ca2a9162271391de252bac304505e597f30340545a

SHA512
2731050100e07f9e9d9124867b74538f5113cde0a39e8b83727bfe04940e1ed81ef6433a0b95f9bdef7d92ca00910ddabf313a961bb1ae8e7d8f5acacebf1c38

Download Submit
memory/1636-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1636-7-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1636-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2036-15-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2036-16-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download