dbc1484c7f2edb0e09dca1c54f0800e2c6aff0c66d176c95f5677a2bb2531f9d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 07:40

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General

Target

2024-05-30_ff8423649e5a9a243123efab8e22c303_cryptolocker.exe
Size

97KB
MD5

ff8423649e5a9a243123efab8e22c303
SHA1

6c88d101ddd8633c29350a592b62c98e4c5f3449
SHA256

dbc1484c7f2edb0e09dca1c54f0800e2c6aff0c66d176c95f5677a2bb2531f9d
SHA512

9c0d330343e05b1bf3d836497cd25542636d0650a1bbca95322118c1a9739dac22507a30d3566837f4fe3c2edc9a10ef9850d0f9a89c352bc686147d43fc48f6
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0M:V6a+pOtEvwDpjtzk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1248	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-05-30_ff8423649e5a9a243123efab8e22c303_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 1248	1912	2024-05-30_ff8423649e5a9a243123efab8e22c303_cryptolocker.exe	28
PID 1912 wrote to memory of 1248	1912	2024-05-30_ff8423649e5a9a243123efab8e22c303_cryptolocker.exe	28
PID 1912 wrote to memory of 1248	1912	2024-05-30_ff8423649e5a9a243123efab8e22c303_cryptolocker.exe	28
PID 1912 wrote to memory of 1248	1912	2024-05-30_ff8423649e5a9a243123efab8e22c303_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_ff8423649e5a9a243123efab8e22c303_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_ff8423649e5a9a243123efab8e22c303_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:1248

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
97KB

MD5
df87e2c1dcaa17c01fc2e27ca4471ff8

SHA1
4ff714643722a7442d30a9108f4f05d997819649

SHA256
6b0139657e65737c9c4784aa1906271a46228228e501814713a33ea58eddbb26

SHA512
27c6c5d9bbd8d28184a2266498bd9ee41e2630380ee36079c11dbe26762ae1cc830eef73e9d677c13cf7b4a851911a65dffb8174f21b108bb3e6398c69558d84

Download Submit
memory/1248-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1248-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1912-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1912-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1912-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download