078dceb18232d73c524169fce0d61e59fe8237a8e2a7df3da30f30867b63e10b

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
23-05-2024 18:27

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General

Target

2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe
Size

41KB
MD5

bc74f131f2e9ba1f6ee2076788d15c45
SHA1

7935cf035e6795bf32b7ce255a9df112ebb14c3b
SHA256

078dceb18232d73c524169fce0d61e59fe8237a8e2a7df3da30f30867b63e10b
SHA512

4972b934bdd20de97b57538445b02881096d99ee7909f0f5735547c9fa57f9002f58232b0bcee05c28d8d2633313e7911ac1e2bff6c853db86da7eba1eea2a8d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCnj:X6QFElP6n+gJQMOtEvwDpjBsYK/fQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2372 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe

pid process

2864 2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2372	asih.exe

pid	process
2864	2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe

description	pid	process	target process
PID 2864 wrote to memory of 2372	2864	2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe	asih.exe
PID 2864 wrote to memory of 2372	2864	2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe	asih.exe
PID 2864 wrote to memory of 2372	2864	2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe	asih.exe
PID 2864 wrote to memory of 2372	2864	2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_bc74f131f2e9ba1f6ee2076788d15c45_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2864

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2372

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
42KB

MD5
08ea0b3a2d96bf5dc472462c5f1897a1

SHA1
ce78b425f731451e4caab112a8f7f4d70c0e616f

SHA256
64771b4f9d893c5e5f21d818cce82343ed073a56ac6947a505f75073ba2ce7bf

SHA512
1e048c8cc6221e9215351c274520d8f59423fa24b142fa6263a912b0ee83ee41a02cbbe45892d279b10a97642606eb536a28aaad4f3b99681d94001633bf6bc0

Download Submit
memory/2372-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2372-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2864-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2864-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2864-8-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download