adef23ed49decba79557d4df87fc4f88d3e639138777a6525b32180221c6e78b

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
29/04/2024, 00:56

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General

Target

2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe
Size

45KB
MD5

abc0032714c08fc4722d15c41b00b33e
SHA1

cd01273c17d116353577802c3aa640b814b04b08
SHA256

adef23ed49decba79557d4df87fc4f88d3e639138777a6525b32180221c6e78b
SHA512

e08cc422969d356ee3754ddf99330119b8ecd74b993268d982cb9d703412b4eab83131df5fd727b7dd08220df05107c397a165dec5b628832f9f1f6ad3f5db67
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsJZ:V6QFElP6n+gMQMOtEvwDpjyaYaFAh3k

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015cff-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015cff-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1652	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	2024-04-29_abc0032714c08fc4722d15c41b00b33e_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 2972 wrote to memory of 1652	2972	2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe	28
PID 2972 wrote to memory of 1652	2972	2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe	28
PID 2972 wrote to memory of 1652	2972	2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe	28
PID 2972 wrote to memory of 1652	2972	2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-29_abc0032714c08fc4722d15c41b00b33e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1652

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
45KB

MD5
6c1e81c50210474e7abeb7f078a56cb9

SHA1
65e71b65346e43c2ee7819e621ceae3fe425f08e

SHA256
b5dba1143d55221cbd57a38e3972cb0cb77b50941187ea210cb9bf50bf7be772

SHA512
266bf476a5646017427ac3226e211366f7408c7d3def5326d8ca7d4ae78003173b934a4634c615190dd32f85e17e011d4f19f23fd335da742bbcd77673f228da

Download Submit
memory/1652-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2972-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2972-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2972-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download