c559291d004110ee47376601362a934e61892dc3d64147dcae11161323944737

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 15:26

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General

Target

2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe
Size

82KB
MD5

34bfdb72357d118c1b43c1a72d8a7c87
SHA1

ef57714b130de255b34dd0c8b2329685268d1b2c
SHA256

c559291d004110ee47376601362a934e61892dc3d64147dcae11161323944737
SHA512

f72a128b27e77d03ea095f2e896b6cb0f25559de98192975b892f61093574080bd4e0b8fa66bb04c61c2307a8f9afe4a0dd644d08664035af254ed65e5eee070
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPnM:V6QFElP6n+gMQMOtEvwDpjyaLccVNlW

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1768	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_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 2244 wrote to memory of 1768	2244	2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe	28
PID 2244 wrote to memory of 1768	2244	2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe	28
PID 2244 wrote to memory of 1768	2244	2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe	28
PID 2244 wrote to memory of 1768	2244	2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_34bfdb72357d118c1b43c1a72d8a7c87_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1768

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
82KB

MD5
8f24b38a54d440d82f7ac843e6d4416a

SHA1
7c7336ede900d6f807d24a24eb7fbeae588f1bdc

SHA256
32cf1d6ad9922de1bbd615784446a5a9ed2d47f79076d7ed0230cdcd8bf9371e

SHA512
5398761fdd3dad34debdd636879c236f8a6b5be8f83b5960f456e9732e8eb875c96c76eb258766f1ae4535406d1f40954bfdae53164bca2fda29daeaf39a9976

Download Submit
memory/2244-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2244-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download