dce0182142676cb449ff30430d565db8364b95dbf5ccbef320e10f2e05563a45

Analysis

max time kernel
136s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 00:58

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General

Target

2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe
Size

123KB
MD5

e9688f4a9a458d74838cdbe913426482
SHA1

25191e979110b5c7f8c578bf13b29e0a3a73cd72
SHA256

dce0182142676cb449ff30430d565db8364b95dbf5ccbef320e10f2e05563a45
SHA512

72b7b9d52acad2c9675b3c126acbe5f9b61777b630bae4907c15163b91b8443d186d765f76534bc6fddf8918b4e3a9ce2c41571a57b5fd2561c60e437544cb1d
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgSuU+K:u6a++OtEvwDpj6zQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015a2c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015a2c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2616	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-03-14_e9688f4a9a458d74838cdbe913426482_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 1912 wrote to memory of 2616	1912	2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe	28
PID 1912 wrote to memory of 2616	1912	2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe	28
PID 1912 wrote to memory of 2616	1912	2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe	28
PID 1912 wrote to memory of 2616	1912	2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_e9688f4a9a458d74838cdbe913426482_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2616

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
123KB

MD5
470f801a2f8f59033e9fac4907875616

SHA1
7a1373e6093810e72a30ba6b76b61b3cab3fa0f4

SHA256
599573467e4875755d04d862e9b703b7bdac6949a62f0147316cf1679e47d639

SHA512
d437dffcc4890b7bb60c64da86452899634a918d4296b5bc5a85616c53aa693767507cd9d7b38f91581b1b2bb386ce2d6d243d6de9bfff8bc3c5f112fccb5646

Download Submit
memory/1912-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1912-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1912-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2616-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2616-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download