be4f97e23498bf6c371a35e11f56b2e3aad2be5a20079b8950f62f7d8c287054

Analysis

max time kernel
73s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 03:53

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General

Target

2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe
Size

35KB
MD5

7e3e62e216d1d9576d02bc65f9b38b92
SHA1

03e1026db8904c91801fa5350f170bd906db4810
SHA256

be4f97e23498bf6c371a35e11f56b2e3aad2be5a20079b8950f62f7d8c287054
SHA512

7edf4ac9faee48f97a4c53a1075fd478bc055c9e81ce7d28257fb6d0a18b11557268ceece5cb7a9d69a59a0168523aff65af2b9fb757c82f331366e0650c14c3
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuadQG0:bG74zYcgT/Ekd0ryfjHv

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2748	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_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_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2748	2792	2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe	28
PID 2792 wrote to memory of 2748	2792	2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe	28
PID 2792 wrote to memory of 2748	2792	2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe	28
PID 2792 wrote to memory of 2748	2792	2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_7e3e62e216d1d9576d02bc65f9b38b92_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2748

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

Replay Monitor

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Downloads

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

Filesize
35KB

MD5
24c0bb098747c03fbeb0eacc88ede5da

SHA1
dc9e227aab1972f8cfcc2207b1229fb6bebe8137

SHA256
929f1dcbf5af559023487a36d91d86900de10908c96bad096bc66b252a7397bc

SHA512
2bea49cb085285261fb2436b22209e94d1e63f11e1e4fdf6cc3c2f7b6db59543e9bdba3f519718288b818431962a28587931f09b206680f7f72598d85b39a670

Download Submit
memory/2748-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2748-19-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2748-18-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2748-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2792-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2792-1-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/2792-3-0x0000000001C30000-0x0000000001C36000-memory.dmp

Filesize
24KB

Download
memory/2792-2-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/2792-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download