606fb1c95775dd434af1f8a3b5fb8489d6aa89cc9534d791ebcc311c0c36f790

Analysis

max time kernel
133s
max time network
144s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-02-2024 07:30

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General

Target

2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe
Size

74KB
MD5

1450b2fe3c07a8b090d706689681f8c8
SHA1

93553df6cbd2f3898b1f6b6d3218c6e8a223a82e
SHA256

606fb1c95775dd434af1f8a3b5fb8489d6aa89cc9534d791ebcc311c0c36f790
SHA512

5c0128f75a8f653b384ef307f89b23a304dbf25db0578ad17d64f761c5a894c5dba0b29ade4f92b231397fcec68afff46bcccfa5f3a2add1b222f5dc4e009b35
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1Rq:X6a+SOtEvwDpjBZYvQd2Y

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000000e655-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000000e655-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1268	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-02-28_1450b2fe3c07a8b090d706689681f8c8_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 2180 wrote to memory of 1268	2180	2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe	28
PID 2180 wrote to memory of 1268	2180	2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe	28
PID 2180 wrote to memory of 1268	2180	2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe	28
PID 2180 wrote to memory of 1268	2180	2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_1450b2fe3c07a8b090d706689681f8c8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1268

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
74KB

MD5
98d4d367636f3c072edc1f693d4ec618

SHA1
fb7b1a9c4be4143c4e1903c93543fc95618906b3

SHA256
05a52146cf576a45f09478f7f2d62e2deeec3cf44ebcc46823cfe8abc8dccf5b

SHA512
fcff013d286ec830e07c0a7b69822175da8683bb232870ca0d63c8785617956744bdf196378dab0a45857b5283f51fbd4a0c5ec799b0901d16e817c5f66d9855

Download Submit
memory/1268-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1268-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2180-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download