64948b020635cc0d74463211f01508f03f554d35edab6e1556ff3b0f8b29c376

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 03:32

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General

Target

2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe
Size

95KB
MD5

1e95ccb39ff6880cb3def2437f6cb3fc
SHA1

0daa6e20711c21e1a897de25724d4f10acc2986c
SHA256

64948b020635cc0d74463211f01508f03f554d35edab6e1556ff3b0f8b29c376
SHA512

6591f8c30cc17333a08c39386be3d716dc0d8ce12f2fb6376b54085e4ef4f1b2a3609b6fee2a1af58d66e676d52682cccc86fd7280e20e6e9a1739785809d876
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMg2:V6a+pOtEvwDpjtzy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2616	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2700	2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_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 2700 wrote to memory of 2616	2700	2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe	28
PID 2700 wrote to memory of 2616	2700	2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe	28
PID 2700 wrote to memory of 2616	2700	2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe	28
PID 2700 wrote to memory of 2616	2700	2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_1e95ccb39ff6880cb3def2437f6cb3fc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2616

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
95KB

MD5
a749094ae9014df0e703895dab551c5c

SHA1
a8db2f7358ff6739d32415d75ec32b628ea9ab4f

SHA256
97ac09b88ff98e79eeb9aa9fccdc21cf64401188bb6dd3f2c01118cfb7dc380d

SHA512
7d6575ce8aeb3920a0dad7f45a0ae4d158a3b35e83ee2788b7c69ca898024e1fb17d4592b50d2e977ec5566dabeeb3dc373d0f9d5d8a9f9919ef30ed8ffa3af6

Download Submit
memory/2616-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2700-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2700-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2700-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download