65cd20128b702ac99222be05f1d9b3b1892929e3e5392cb553b52e213e2d530f

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
25/04/2024, 03:46

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General

Target

2024-04-25_6ce366e3ade159a2a7d967cfd66625be_cryptolocker.exe
Size

76KB
MD5

6ce366e3ade159a2a7d967cfd66625be
SHA1

b9713c5d6d5129d6f22078437621906351bdaf2b
SHA256

65cd20128b702ac99222be05f1d9b3b1892929e3e5392cb553b52e213e2d530f
SHA512

b21ba9f7b8f9b9cad36c2bd96d669f3f646f2ecf09e962876e570874fcef32bdef17152d4cbcf79fdff0aa24e28721beb437c80799fdbf139daf8a793a4fa0e8
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yq9h:V6QFElP6n+gMQMOtEvwDpjyaLccVNluj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a06-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a06-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1652	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	2024-04-25_6ce366e3ade159a2a7d967cfd66625be_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	2024-04-25_6ce366e3ade159a2a7d967cfd66625be_cryptolocker.exe	28
PID 2972 wrote to memory of 1652	2972	2024-04-25_6ce366e3ade159a2a7d967cfd66625be_cryptolocker.exe	28
PID 2972 wrote to memory of 1652	2972	2024-04-25_6ce366e3ade159a2a7d967cfd66625be_cryptolocker.exe	28
PID 2972 wrote to memory of 1652	2972	2024-04-25_6ce366e3ade159a2a7d967cfd66625be_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_6ce366e3ade159a2a7d967cfd66625be_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_6ce366e3ade159a2a7d967cfd66625be_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
76KB

MD5
881e1a986fd13b0493a235161243d322

SHA1
7d68a6da49c2ff29224ecdc2268db75a38eebd43

SHA256
935cf91c6bb3cb785b7b773bf27b3b2c33c0d3418a92dc78529a7516b21adfd6

SHA512
4bd6d68c7effc28ed28812ba4424e19ddea9b777bee92577786411bf2b61c28451d69e5f2a45afd90e4a54e5bbc7742126bf91499a4f3b37a2e506370d260cd3

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

Filesize
24KB

Download
memory/1652-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2972-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2972-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2972-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download