d937fd316cab3efbcbb389930b153fde4d5ebb5a275081b16481aff04a6fcdd9

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 00:50

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General

Target

2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe
Size

39KB
MD5

44a8348b82b5de808bbe59ab918e6f24
SHA1

d947487539d3bec2a05fb9a349ddfaee1fbcc332
SHA256

d937fd316cab3efbcbb389930b153fde4d5ebb5a275081b16481aff04a6fcdd9
SHA512

220d1e45d0b291be3c9976924fd0426d4272ff5ccbf403d5d9fd9611cfbd6d11c536400cbf230a6f71150839028809ec15a5531b24d6f3a4bec742ee88451b3d
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5mXN9Z:bgGYcA/53GADw8C3PZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001227e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2752	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1308	2024-03-16_44a8348b82b5de808bbe59ab918e6f24_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 1308 wrote to memory of 2752	1308	2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe	28
PID 1308 wrote to memory of 2752	1308	2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe	28
PID 1308 wrote to memory of 2752	1308	2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe	28
PID 1308 wrote to memory of 2752	1308	2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-16_44a8348b82b5de808bbe59ab918e6f24_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2752

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
42a0206b571d2be74c0895b129d23204

SHA1
ca90bf1b3e3c5d824c6ffe5d34214926e702e599

SHA256
8ad4639b418132cdde20f8b64735a2bf9d9c384d364771b87e52dd3a27bbcbbe

SHA512
8285eae8e82ebbf80b70eaab76568499c3cbd12000723ce8a49761f7bb3fd062d1e1916c9cc27b2b206f3ec28caa0e999913073c0d4eb0c5065b4d283155d43a

Download Submit
memory/1308-0-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1308-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1308-2-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2752-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2752-17-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download