9e60a1dc5467668516c0e354727d17365c00b3579a7b1ee53f9699733ba766d1

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 22:46

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General

Target

2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe
Size

130KB
MD5

be809fb40580b22608886afbf98db1ac
SHA1

f2b3c696eafbaeb21b5d900ec4dc4fc05ec27ab8
SHA256

9e60a1dc5467668516c0e354727d17365c00b3579a7b1ee53f9699733ba766d1
SHA512

380477138018cc226fe2c753af7125fd09c65882be823e2ecbe330386bc6917a82ae820a53016cf79950c2c28ab1518537a6c8325083a3aa62eb95d73dafc06f
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp699GNtL1eqf4:V6a+pOtEvwDpjtzl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014825-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014825-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
860	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	2024-03-12_be809fb40580b22608886afbf98db1ac_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 3040 wrote to memory of 860	3040	2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe	28
PID 3040 wrote to memory of 860	3040	2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe	28
PID 3040 wrote to memory of 860	3040	2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe	28
PID 3040 wrote to memory of 860	3040	2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_be809fb40580b22608886afbf98db1ac_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:860

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
130KB

MD5
edaa30c74a6646d56c4076affcdb983d

SHA1
4590e10a9a123968b737a5451b258ae60bdc3507

SHA256
90b8fa8d23158a4904bc9cec77158ee7e17b8283036984a5aa5a0d12a5eafd64

SHA512
cb7f3486d48f4a45dce87ce76a5c27ddd3540cc4fd8733d97f7c5bc683bb5709d46eb71b13db1c25819982d8fca693ba2849b92e6929f4c343dac76bc90c8246

Download Submit
memory/860-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/860-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3040-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3040-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3040-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download