8fd45a9b832929055d6ed4053fd955b87001d9acdf209cf5b208ee57a06f8c96

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 18:44

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General

Target

2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe
Size

92KB
MD5

0d70f23183e2b5d7275617f3ad070606
SHA1

89d616f630fa5a0877ce10b0bbd15dc2078d9c08
SHA256

8fd45a9b832929055d6ed4053fd955b87001d9acdf209cf5b208ee57a06f8c96
SHA512

1d052aef250a7d50c2ee29c770c879dc3741aaddcdabd87ec2cc37493e3b6f9282ee9b60d1abb83d612ccdea83858eea29c30c90bac27df5f6964c2ff5e4da30
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgL08:V6a+pOtEvwDpjtzP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014698-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014698-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1960	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2892	2024-04-28_0d70f23183e2b5d7275617f3ad070606_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 2892 wrote to memory of 1960	2892	2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe	28
PID 2892 wrote to memory of 1960	2892	2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe	28
PID 2892 wrote to memory of 1960	2892	2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe	28
PID 2892 wrote to memory of 1960	2892	2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_0d70f23183e2b5d7275617f3ad070606_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1960

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
92KB

MD5
0afce8bd8d950b04bc4ddb19f90d8339

SHA1
2354f89a09e9fefd5be8fbdc8abe6036ca96a33e

SHA256
1ac68f238ec73eb1081e145e90f50c5835a22fcd7ec64b5f6cae3fe791ef83b6

SHA512
295f51abbdf9c9a5b069c69a7aad69e204d9d98e7c40c6abe7793535584f017a1ac9ad95dba63db6fd9bb7c82ebb0c4d225b529cd7493f9667e539f06ebdff70

Download Submit
memory/1960-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1960-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2892-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2892-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2892-8-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download