936d447ca3cf4e9d76a9d94c0e371ca21166b72d51c5fcd3323731174ade05a4

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 21:29

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General

Target

2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe
Size

43KB
MD5

f6fe41cfe7293ed0f55a9e160698cec2
SHA1

3126f19cac595b9aa4b8e831458fa59e4875c4a9
SHA256

936d447ca3cf4e9d76a9d94c0e371ca21166b72d51c5fcd3323731174ade05a4
SHA512

5efbe8249105ff2c997b7b107809ef3c1a83aadcfacb1d4c3c6b59b19421ee276fc9cf80c930fd579db28168065552a9e5ad824c9e0356812b40403219a75eef
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUad4Ey:bm74zYcgT/EkM0ryfjPd4/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1100	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2564	2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_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 2564 wrote to memory of 1100	2564	2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe	30
PID 2564 wrote to memory of 1100	2564	2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe	30
PID 2564 wrote to memory of 1100	2564	2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe	30
PID 2564 wrote to memory of 1100	2564	2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-06_f6fe41cfe7293ed0f55a9e160698cec2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1100

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
43KB

MD5
2757f9beb93e4645be72de77335631b3

SHA1
ba256ba41c878512d99788aee6899bd97bc15382

SHA256
0146ffdc600b232fb9cefef930d30f5fb5966ccf99a0d74afb43de7de1797623

SHA512
b9d8701ff4d8a253f883dd65ca0ba246a14b98c4df3c393d4dada98b93a70cb0bfd5f39a533dd1dc1c60eb5ba9a0e008aebd2b9bfd18a2c5fdaadb11f2400dd1

Download Submit
memory/1100-16-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1100-19-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2564-1-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2564-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2564-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2564-9-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2564-13-0x0000000001E50000-0x0000000001E5D000-memory.dmp

Filesize
52KB

Download
memory/2564-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download