600782d90d3ec673ac588de3266d9e8d8256f468052c68c7ed2ca135107e0206

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 08:33

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General

Target

2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe
Size

123KB
MD5

4a056c4182977b6595258bf9b2a1713a
SHA1

a1addb93dbdb6d4f52223911f147e2882793226c
SHA256

600782d90d3ec673ac588de3266d9e8d8256f468052c68c7ed2ca135107e0206
SHA512

83b1e82e06cec69f032df54f5c1554270716f95c6393d2211495bba9500da0a70a58208a153859ff321658a1c6e89bf931a4d184b9e27ecd904806a21f1e7de1
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgdVh:u6a++OtEvwDpj6zzh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2732	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
832	2024-03-14_4a056c4182977b6595258bf9b2a1713a_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 832 wrote to memory of 2732	832	2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe	28
PID 832 wrote to memory of 2732	832	2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe	28
PID 832 wrote to memory of 2732	832	2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe	28
PID 832 wrote to memory of 2732	832	2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_4a056c4182977b6595258bf9b2a1713a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2732

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\asih.exe

Filesize
123KB

MD5
095d0748311140c419939b6adf25e023

SHA1
877e74264dfcf2f2b2689d5dbe0ba3edf6a14339

SHA256
e375d89208189480ebb53d20eb4a880a07160c5e5c2cf0cf0bc4747b771b56ad

SHA512
4bd74d5504393707f81a512a052cc6c910fcf514844657462cd8c2f3fcb1902efef9ffd1c4b10296bcb8a99c0d9bf3494142a91b63e3c80b08f52cb716682f51

Download Submit
memory/832-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/832-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/832-7-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2732-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2732-18-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download