01627ab0ce91c17b90b7e58e744adac0b6caa2cf2880afb6e8dbb0c5ac41c550

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27-05-2024 08:25

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General

Target

2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe
Size

48KB
MD5

5f454b4fc85e8d2569a80b4672dbcf29
SHA1

8198246090632abc2c4d33e07adf2992f335a59c
SHA256

01627ab0ce91c17b90b7e58e744adac0b6caa2cf2880afb6e8dbb0c5ac41c550
SHA512

9a1eaf1eb9d382b6061abfd824f32f10b5dc570a6bd97e54cf2fb286954ea339c49366d7a64cbf03e75f9cb77c82c2a7b35a03044f72590c7f0fb408535a0d8f
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556Blv0:X6QFElP6n+gJQMOtEvwDpjB0GIWSlv0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb0-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb0-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2944	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1200	2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_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 1200 wrote to memory of 2944	1200	2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe	28
PID 1200 wrote to memory of 2944	1200	2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe	28
PID 1200 wrote to memory of 2944	1200	2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe	28
PID 1200 wrote to memory of 2944	1200	2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_5f454b4fc85e8d2569a80b4672dbcf29_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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
48KB

MD5
346683752f29e2ab0c26df3441e6f58d

SHA1
c4d37c0621e16d67bc935dd34bfdc720ccde724b

SHA256
8d80c60eb1006c2805e3bad6c5cd80dc43f83f770f54f2f704784ceedf7f33b8

SHA512
d710967ca1a4dff219b9a9ec6babadfc308e7f317051e2b4e161cae1b6970ea723ab75602fbe1ad66085a4a6c8e012d8d9ee091f91dba5d184e28b573f7f6af0

Download Submit
memory/1200-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1200-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1200-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2944-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2944-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download