20c07d20ddf2089403bac57e44455a1a53e8694cde679c80d4ff1809fed77fad

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 06:03

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General

Target

2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe
Size

38KB
MD5

e809a7920c97365d5fccbdb893453eed
SHA1

95a663182717c0c3af723b52ec403abc34cf0343
SHA256

20c07d20ddf2089403bac57e44455a1a53e8694cde679c80d4ff1809fed77fad
SHA512

5ee277fe8cef048a97b56c3e4480699c7d99c388027fb503ddc0a6042a65548c25575192c842017d603ae364e4497ee7053329483a01e1825e8639ed7a3a6406
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZ95d9hVl:bgX4zYcgTEu6QOaryfjqDDw3sCu529hv

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2768	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1784	2024-01-09_e809a7920c97365d5fccbdb893453eed_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 1784 wrote to memory of 2768	1784	2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe	28
PID 1784 wrote to memory of 2768	1784	2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe	28
PID 1784 wrote to memory of 2768	1784	2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe	28
PID 1784 wrote to memory of 2768	1784	2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_e809a7920c97365d5fccbdb893453eed_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2768

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\hasfj.exe

Filesize
39KB

MD5
5b06462c721f86b02572f733a125c9c3

SHA1
bd8cc4ce98539248fa45ffef5105a11b7db0e905

SHA256
d054f7ea1f68ed5552c956ca392fae36a0005255081022a7398c2346c6011e38

SHA512
4dbf58feebf4515a7e1bdfa4b35dc261932a8e7c8da77e94f44653e2dd1fd6cfcd566843e275b46e62f614e30ce548aefe5b3731368992ce7c7b55a628fe143e

Download Submit
memory/1784-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1784-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1784-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2768-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2768-18-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download