ddfafe8b76a491aceea6883e3ae5a40e18beb2eb5d187694a97bc0ed7209eb92

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 03:18

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General

Target

2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe
Size

43KB
MD5

fe8c56ac995df6fc0e5ed48e985c672c
SHA1

e7d86b9ecc7d2602fd99c0ea3b909a07e9923162
SHA256

ddfafe8b76a491aceea6883e3ae5a40e18beb2eb5d187694a97bc0ed7209eb92
SHA512

37bad198d433ec75e9655118390110a8f6e98a6adf7e09db2e976f89a5bad5117c2e20bfddf19b027bee5a038a677d273b9af1d08423980cb13d392b2f43f865
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YO6ILRD:V6QFElP6n+gMQMOtEvwDpjyaYaFAz6D

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3052	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_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 2360 wrote to memory of 3052	2360	2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe	28
PID 2360 wrote to memory of 3052	2360	2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe	28
PID 2360 wrote to memory of 3052	2360	2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe	28
PID 2360 wrote to memory of 3052	2360	2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_fe8c56ac995df6fc0e5ed48e985c672c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3052

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
44KB

MD5
95998eca1581102978f5c66d41c60ae7

SHA1
000b96346c6d5bcb6aa00d1090d00042d25e76a7

SHA256
746d8aef972fdc4555f8058e05259fc0ed8ed7250e1aec6f9465e55384962657

SHA512
73026172e93034d7cfc2ad112719092485ae2ed1e307c22c0e48484c72373d1c5fbdff0887a549464b28e22935312d9537e499457eae6446294f95e9d6c78695

Download Submit
memory/2360-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2360-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2360-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3052-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3052-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download