4daa223d6d977e6649d9277e3f3c3e9f39f757d3b5f0f21c80730baab8e9d1d0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 15:34

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General

Target

2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe
Size

124KB
MD5

b2599a80cb4e9dc8f5ddbc06fae4d2e4
SHA1

acdcf4da953130c4f4629b61745a21e0055d77e2
SHA256

4daa223d6d977e6649d9277e3f3c3e9f39f757d3b5f0f21c80730baab8e9d1d0
SHA512

627379e82aefbcc0966f87e08ac0cb68274f863bd1fa69e530deacceeb97323194fccf415f8b07c25b0750c73678bb89ae790f73ff7bfd8d6e8e72583f7727ba
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4qP:vCA9OtEvwDpj9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012236-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012236-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2916	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2016	2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_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 2016 wrote to memory of 2916	2016	2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe	28
PID 2016 wrote to memory of 2916	2016	2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe	28
PID 2016 wrote to memory of 2916	2016	2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe	28
PID 2016 wrote to memory of 2916	2016	2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_b2599a80cb4e9dc8f5ddbc06fae4d2e4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2916

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\misid.exe

Filesize
124KB

MD5
8b7487a4d128a690f3082668b9f8efb9

SHA1
e278f56f204a05968240d7664a0800747019658d

SHA256
8427edfbf48e3ce7570a0cc8d6e6403eadf41fdb19e55496ed9bc0942e9a732b

SHA512
720e71b54f3da479defba595be3f677bc4da9a65dc406b6178cd2cb2433211bc36bd9d2689cecbd5b6c708402bde4cdede137d494a3512fd751c8fca13515b7e

Download Submit
memory/2016-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2016-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2016-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2916-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2916-17-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download