e521213cd65063d3152be7b18c87780dc8443b5182ee8ebe536d2761b106a650

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 05:43

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General

Target

2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe
Size

38KB
MD5

96b90a8b08c65fb95032e65c771e02b1
SHA1

3fdca25867f8214d120d9f0f84824e4581d7745a
SHA256

e521213cd65063d3152be7b18c87780dc8443b5182ee8ebe536d2761b106a650
SHA512

d424ed3aae02b917d4c11a5282da5bc06864c2938ea2e66009ee113927a44fccf8a648552cea4e20ad79ceec7439d5b195312f7b95c574dd86437d446805a3b5
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0Spm:X6QFElP6n+gJQMOtEvwDpjBmzDU5d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2544	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2092	2024-05-04_96b90a8b08c65fb95032e65c771e02b1_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 2092 wrote to memory of 2544	2092	2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe	28
PID 2092 wrote to memory of 2544	2092	2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe	28
PID 2092 wrote to memory of 2544	2092	2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe	28
PID 2092 wrote to memory of 2544	2092	2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-04_96b90a8b08c65fb95032e65c771e02b1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2544

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
38KB

MD5
c849e1ab0be72eadf72a276093b52f63

SHA1
b2a63b9e6bd6fae13fe57fcc812c094a9b58b0bd

SHA256
7f8438443ee32e1d04c399a4a43ae11f3cfc696a71b0117886f2f9853b6799fe

SHA512
8bcfaf4b9e6e499b975033131901a655396d2ec185a0f44c5180213ca85ec0e6194539ae3cfb0307b5c5fdd08e12ddbdfba0ae7c8da7f367ab4375bfd0babb64

Download Submit
memory/2092-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2092-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2092-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2544-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2544-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download