8a2d156fd20fdc14abcb7237cf80c270bbd78b2655baab1a5eca37d7ca874c0b

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 05:38

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General

Target

2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe
Size

60KB
MD5

6d91c3adac9f3ce0f146406001e09fa3
SHA1

dc73a1807cd4c66e475ae152475f062e51e2d689
SHA256

8a2d156fd20fdc14abcb7237cf80c270bbd78b2655baab1a5eca37d7ca874c0b
SHA512

5a574ebef6b5162b49ad8b3950a2f6d8e861334c671e489e2fa3a89d08f9b9b6cf2f2bb124c4520edd6086cec1a33492784cb9084d1e023cf091d61ab81b1a1b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/Er:ZVxkGOtEvwDpjcO4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a88-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2936	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2768	2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_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 2768 wrote to memory of 2936	2768	2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe	28
PID 2768 wrote to memory of 2936	2768	2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe	28
PID 2768 wrote to memory of 2936	2768	2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe	28
PID 2768 wrote to memory of 2936	2768	2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2936

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
60KB

MD5
083710667593f7d4b94c530b54fb4284

SHA1
c12ee3aaf78c7e367229ff757a00d65184fff9bf

SHA256
3a8cbd61fc7ccb67d77cc0758dd04bea1f755fbcfcc459910112f8d76652f554

SHA512
e6f4faef5b8284eac90a1731090bdda95ac778d486530be829d4c1a022fafeef5175fcc35e37fa98e6cd710a2a59973355c12cd772265dd159cb05a3ca65fe31

Download Submit
memory/2768-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2768-1-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2768-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2768-9-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2936-16-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2936-17-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2936-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download