76887f812a06d66c103943b730ebc16d39f672071a1ecfaa573a01bdffef1935

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/04/2024, 18:36

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General

Target

2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe
Size

85KB
MD5

9ffa57fbb694f5a349108b914fa1dd31
SHA1

a8934880729f30d774e4f0dbd22f1a12c69310f2
SHA256

76887f812a06d66c103943b730ebc16d39f672071a1ecfaa573a01bdffef1935
SHA512

4f9388477d4f043d17b6669962106351dd8ce8f9a26ec8e1d5f2d6fabdeb7df015d4a737a010cc5c6803d95e6b0dba3ea3179020d3de9bc217c30bc6f770fb43
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6aE:V6a+pOtEvwDpjvpw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2516	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3012	2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_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 3012 wrote to memory of 2516	3012	2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe	28
PID 3012 wrote to memory of 2516	3012	2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe	28
PID 3012 wrote to memory of 2516	3012	2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe	28
PID 3012 wrote to memory of 2516	3012	2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_9ffa57fbb694f5a349108b914fa1dd31_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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
85KB

MD5
10774d591b13fcec35d50f796e690369

SHA1
36fa7ab428242d7c3c8d2f38acf1c6fb240a7bb3

SHA256
e970a821730fda84d0baa81b193df390ca48524d84ff64198028b955bd3ef7f2

SHA512
7d1902aa5fbc7ac48e2006ae8ab490b415bbe0fd7937bb6cf37dd7941668d6f074bf6d80f76b553aff79042143af7a35b7fcc46e46f8ed33c1e3b0878379ff19

Download Submit
memory/2516-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2516-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3012-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3012-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3012-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download