df5e324d002abb0415b9d638d33425aec653bf2443aa74e0afaf5e2fd4554cbc

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 15:25

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General

Target

2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe
Size

46KB
MD5

a07e362f649a38a424bc6af5f00f0037
SHA1

1347ff7501104bc17e7b4c64b5adeaf1d1bd25f9
SHA256

df5e324d002abb0415b9d638d33425aec653bf2443aa74e0afaf5e2fd4554cbc
SHA512

b651f1eba2890acc92865c618cf46f455dfe41d01df5a4e3e8918b76435fac7711fecadf31188989e4eefd94292ff340a279467502fbda8e4eb88086e1478bfa
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckdBj:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012232-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012232-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2380	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	2024-01-24_a07e362f649a38a424bc6af5f00f0037_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 3004 wrote to memory of 2380	3004	2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe	28
PID 3004 wrote to memory of 2380	3004	2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe	28
PID 3004 wrote to memory of 2380	3004	2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe	28
PID 3004 wrote to memory of 2380	3004	2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_a07e362f649a38a424bc6af5f00f0037_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2380

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
47KB

MD5
882a57f932bd647b7b7f0cf57bf0f38a

SHA1
514717ee9a67e96ec041487c1606476a659aadde

SHA256
750577ab91728c8192d7d9a6386b455951ada8c7ccfe7e48e6cd3e05f8403bf9

SHA512
57e9f20732e35b0aec4e200a5be81615f1497a149a92bd54f00995fbd432bda74d26d921367062ff28d5856842a09a1731ebb17148b2776e264f512ca4369f07

Download Submit
memory/2380-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2380-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3004-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3004-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3004-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download