bc71fb734f0ee6bb3e248603edffc6a6a33e97e45d25f4b941fa8e0fda3a1eec

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 07:40

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General

Target

2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe
Size

46KB
MD5

b788d9d00817d16b876d43066597d613
SHA1

b5566ddbbfb08b2807004a213e3955a9d6f01b7a
SHA256

bc71fb734f0ee6bb3e248603edffc6a6a33e97e45d25f4b941fa8e0fda3a1eec
SHA512

a9db2f49a4edf3c12aa23885e4d62647664c3a8ae5b418709b28e5ac947ff025c3ec607dbfab29ab2f3880f62b8c748ac1067180a912403744adc0c25bb86772
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hke0V:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtA

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2676	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2676	2244	2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe	30
PID 2244 wrote to memory of 2676	2244	2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe	30
PID 2244 wrote to memory of 2676	2244	2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe	30
PID 2244 wrote to memory of 2676	2244	2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_b788d9d00817d16b876d43066597d613_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- 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
  - System Location Discovery: System Language Discovery
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
46KB

MD5
a6a4abf08e32659da9df206fff0ac191

SHA1
f6f4b2bf3f7faa246c92a4310d38f1a57a8feb43

SHA256
933181254d5abede1c2c2eaf5f2391cecc40758679ae977d6f88917d734cb952

SHA512
6bf897034536058a2d4ac06412feb484a192559f73ba2e43fc2e0e0e7cf43762cd5d755ec63dfdcc6e5df16b15e09fde6597eb9a3b1ba0f171aaf8221806d5c1

Download Submit
memory/2244-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2244-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2676-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2676-16-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download