3faac1b76b89d8b535da2716dae898fae5dd69864c4e7c8a846e450bd683a7bd

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01/02/2024, 09:36

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General

Target

2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe
Size

46KB
MD5

b60750a38532f12adf69c02ef6aeb287
SHA1

dbd400c9b338738d9834c126498e4a48f34d3f50
SHA256

3faac1b76b89d8b535da2716dae898fae5dd69864c4e7c8a846e450bd683a7bd
SHA512

ad470dc07ddb586ba6db7d3c6839ded71b18209c647716cb6926028fece877a38c53e9e21c28611e668a5b951f727497fb153493bf8989897bd46b52a20d1c87
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X30E3ak:V6QFElP6n+gMQMOtEvwDpjyaHaXmk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2228	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
944	2024-02-01_b60750a38532f12adf69c02ef6aeb287_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 944 wrote to memory of 2228	944	2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe	28
PID 944 wrote to memory of 2228	944	2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe	28
PID 944 wrote to memory of 2228	944	2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe	28
PID 944 wrote to memory of 2228	944	2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_b60750a38532f12adf69c02ef6aeb287_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:944
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2228

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
a0fe6392dac305076cc85bd31ae29436

SHA1
f8dffe7791627854d5cba276c0ea633daa6accbb

SHA256
f2d78d19c344fb24934ffcfaf4a2134ac1c03b2ce94f17c41f945ac415b6777f

SHA512
f95344c3382d8876818594ecc4acf8c061bb9c122b81b11d90d442e74597616afb462b9a299b8a49fd3e4bceee85815f0f3838ea11b3de32258a4c14cce39aa7

Download Submit
memory/944-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/944-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/944-7-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2228-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2228-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download