8a82213f0fa801ca9f0fada147e7faf9389d259228b86813f1bfe5f2a37364c8

Analysis

max time kernel
146s
max time network
163s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 13:27

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General

Target

2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe
Size

75KB
MD5

32957a3a3214e007ae302dfa48c799b4
SHA1

b836b6fa66c76221cdb0747da037c96fc93f0782
SHA256

8a82213f0fa801ca9f0fada147e7faf9389d259228b86813f1bfe5f2a37364c8
SHA512

4dbe3603332f2bed1b8a9317d7b54ef8323d535c1a40184bc1b25eb7ce8272bd222401e673c50c8af51688fd22c0f68a6be4556e53f789fe262378ed68b8dc60
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWkMm:ZVxkGOtEvwDpjcax/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014237-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2692	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1060	2024-01-27_32957a3a3214e007ae302dfa48c799b4_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 1060 wrote to memory of 2692	1060	2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe	27
PID 1060 wrote to memory of 2692	1060	2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe	27
PID 1060 wrote to memory of 2692	1060	2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe	27
PID 1060 wrote to memory of 2692	1060	2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe	27

C:\Users\Admin\AppData\Local\Temp\2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_32957a3a3214e007ae302dfa48c799b4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2692

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
75KB

MD5
56d665c7be5b61e2639c8cd18aa9ca22

SHA1
33aca45e7aaef22eb4e968e671c85edfa0a21c49

SHA256
bb19e1e285698c48b41b478674e6d5a0d636b99668b8257f2083e4d8e4eaf36b

SHA512
28dc7af0ed809130a511242f0e9c970db86d5b1d4a7282e8be53df12797a24787538419489e9d487646660defa1193f9b4698fcf9929466155fc4a057615ef18

Download Submit
memory/1060-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1060-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1060-3-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1060-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download