8a935cc2d1bdae0df30333e17cd3165c7da5c9c01b0a28abfef4e9054bf8764f

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 06:23

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General

Target

2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe
Size

39KB
MD5

067ec871897eb186181731887a2b5170
SHA1

3adc59ae7da5bd5c6597f515ee70e431de4ca18b
SHA256

8a935cc2d1bdae0df30333e17cd3165c7da5c9c01b0a28abfef4e9054bf8764f
SHA512

c452e1f5b1793f1ebd0c1973802e16dd238472bd211c4b9c5b029d92267e9a682b65f1111d259e58ef45253d1d02b99ec3a0e9d1cbbd47f804c6b0ebc14a9d02
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQL3bTo:ZzFbxmLPWQMOtEvwDpjLeU3g

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122c3-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3004	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-03-10_067ec871897eb186181731887a2b5170_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 2060 wrote to memory of 3004	2060	2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe	28
PID 2060 wrote to memory of 3004	2060	2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe	28
PID 2060 wrote to memory of 3004	2060	2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe	28
PID 2060 wrote to memory of 3004	2060	2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_067ec871897eb186181731887a2b5170_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

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
39KB

MD5
428390b5852bc0ad7b829a0e19d9a4a2

SHA1
2ec6170ba515d9e2dddeced24fe808d4c9f267a3

SHA256
939a9608358e62e1fcf0d2c76a1212afa4715ce830157acf439b34337aa236b7

SHA512
1a797a0d4532146c5c1073095cb8faeecb3c03761901a9e6e0010e9a15dd95b755530098b6a77b0d9ec5a71e9b9fdff5224bea313d708412473ad8c72f3a9178

Download Submit
memory/2060-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x0000000000240000-0x00000000002C0000-memory.dmp

Filesize
512KB

Download
memory/2060-4-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2060-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3004-16-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3004-19-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3004-24-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download