39a3fd0f035ce5b912ec029bfad7b0ac63dd2554024c473ccc882df6d6179c6c

Analysis

max time kernel
0s
max time network
137s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:43

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General

Target

2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe
Size

89KB
MD5

5f8f53767c14d41c1f272b355b0db5a7
SHA1

90a027a4b6dbf61585950fda21154343c5a945b5
SHA256

39a3fd0f035ce5b912ec029bfad7b0ac63dd2554024c473ccc882df6d6179c6c
SHA512

144d2d40c70fd808a27fd128dd519a18784672a35447ac3bb37c921fcf81a8dc541da1c0ddae4606ce97485b92b147217916a8a8766f82897c38c9289adf7c21
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWHShl/3S6:V6a+pOtEvwDpjtf

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1916	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_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 1688 wrote to memory of 1916	1688	2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe	16
PID 1688 wrote to memory of 1916	1688	2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe	16
PID 1688 wrote to memory of 1916	1688	2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe	16
PID 1688 wrote to memory of 1916	1688	2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_5f8f53767c14d41c1f272b355b0db5a7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1916

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
89KB

MD5
cd25d56af44a2d811ff0e8e4060711b8

SHA1
e205ff8e7e479b01b67964717255f9f7371a2365

SHA256
e46f4618839af08f6517636f023201f39cfcc78c0aa6460ee219d3d93f38b29e

SHA512
6a74d5b0195e13c0908e851775b077cd35da14c41e66a0e7bcba27998a09686284a17cc20fe2c1e2dcbef7b1a899882b153deafc6808730edb22bb95ec5eb50d

Download Submit
memory/1688-5-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1688-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1916-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download