5354cdc24def6ff04720520a701cd775e64b61fa2d524d6165916de965b68018

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 09:03

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General

Target

2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe
Size

161KB
MD5

286d62811657d85688a298d1d33ea1c0
SHA1

f440225404d4d49cf94221e3355819214b47e09f
SHA256

5354cdc24def6ff04720520a701cd775e64b61fa2d524d6165916de965b68018
SHA512

7080e9107d75b597b253c1f81777f4a593eba5490a81bb9710984b2b53812b67bd53d31655c4d5017156bea43f3c7e6cbe7aba6f1928b71d91099d358088c661
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgp699GNtL1euPa:u6a++OtEvwDpj6zf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001332e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001332e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2256	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	2024-02-22_286d62811657d85688a298d1d33ea1c0_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 1968 wrote to memory of 2256	1968	2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe	28
PID 1968 wrote to memory of 2256	1968	2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe	28
PID 1968 wrote to memory of 2256	1968	2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe	28
PID 1968 wrote to memory of 2256	1968	2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_286d62811657d85688a298d1d33ea1c0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2256

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
161KB

MD5
22232b02fcf8281ce0502030b82d316e

SHA1
afde447c7f1e3885a844656b74a39e1a60988c8f

SHA256
478c10e9262c69817bbbc46ee78185e8e662431d3418e9b371421919a59cd9ca

SHA512
1dd53effa27453e3a1e1457b1b31aa0f4e80b012077e579df4f20f825f40a7e9aa2eeb6b0d78542c0a7cf9c1146027c0c47453feacd6c758441a5d5754d75de3

Download Submit
memory/1968-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1968-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1968-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2256-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2256-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download