fdb674c19884494ef31195b4b94d26e8a37b617515d7c799cd2eedb5df177665

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 19:41

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General

Target

2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe
Size

76KB
MD5

b33d022c7d7d87b713ee3a101bc3d314
SHA1

7a19ce2640586b78d0bb27a360efa5e21b528d55
SHA256

fdb674c19884494ef31195b4b94d26e8a37b617515d7c799cd2eedb5df177665
SHA512

6f83b869d0e7e806a8be2fe716b9b5e0879cb37da78107eda2eb5686503f98dc8c1c064ce5b4b7ef9aad46b5c43298eeadb054e5724771f84672fbc94f2386a3
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUg:ZVxkGOtEvwDpjcaE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2496	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_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 2188 wrote to memory of 2496	2188	2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe	28
PID 2188 wrote to memory of 2496	2188	2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe	28
PID 2188 wrote to memory of 2496	2188	2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe	28
PID 2188 wrote to memory of 2496	2188	2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_b33d022c7d7d87b713ee3a101bc3d314_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2496

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\misid.exe

Filesize
76KB

MD5
3039e2a9d4c4d4a0b5a1a529e6e18b77

SHA1
3656d69a921507a4aad0addb408a00851ed18bf0

SHA256
55b33f8f00b6bffc7bb6beaf988e87337ea42edc561d016bdf68cc0e2f238e2a

SHA512
818607c513d7d1e5b93278237796e321074838f5769a32840953526e506be6417dca88b92e3e5109f23c37c9fa9d3bf3758ecb99072d563f836ac50e91c4a41b

Download Submit
memory/2188-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2188-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2188-9-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2496-16-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2496-24-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2496-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download