179897cd4c5b9e72f46fadc720f22958e20e8c0aedea454c9417b746b7b13e00

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 01:57

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General

Target

2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe
Size

94KB
MD5

e376209fd18b53ad962b922c684b34b6
SHA1

024457ef713e273df8a663ebf2c7367780cc0379
SHA256

179897cd4c5b9e72f46fadc720f22958e20e8c0aedea454c9417b746b7b13e00
SHA512

b5df714ef763d301323d9cee7f5553bfe8e7da8c84d3a1589721a52ced5a43c28010edbc9f90fe9ea255e524cc9a04575eabcff1a65aed103e5eed90fcaab89b
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpA:V6a+pOtEvwDpjtzL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2104	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-02-20_e376209fd18b53ad962b922c684b34b6_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 1712 wrote to memory of 2104	1712	2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe	28
PID 1712 wrote to memory of 2104	1712	2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe	28
PID 1712 wrote to memory of 2104	1712	2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe	28
PID 1712 wrote to memory of 2104	1712	2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_e376209fd18b53ad962b922c684b34b6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2104

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
94KB

MD5
ac001e57bd4821b0d631137db1c9b0b0

SHA1
ad0d5dfd5c8861d374e25392055c0010a6eb565c

SHA256
25d3064c6fcc64485448660806e4cb4fe437b78144f1f0695688dce2a97f3a09

SHA512
4da5deca9c616c59ae8b7b9752f64dc775e6f56601a4daf7793205a2fde12838d7762c4f7944388b4d24873a900c15cf8ae9cbf9ed1fc2c45f5fd870c6cd00a3

Download Submit
memory/1712-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1712-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1712-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2104-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2104-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download