b824ac622238599d35dca233ff24bee32363605305cabae8bd4a26b48ed41d82

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 05:28

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General

Target

2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe
Size

35KB
MD5

458297ae5dfd6ddbd22c13225971f40e
SHA1

c41ad1af6daa92874bc6a836c595dd1bf2c96279
SHA256

b824ac622238599d35dca233ff24bee32363605305cabae8bd4a26b48ed41d82
SHA512

14d29a4e139bbaf1748d38f13d74c75c11bee8ed0bed7aa5917afce0bdd9bb8f7cb0ef807d2c87cb814e6c3b44cf8ffc6348dda7a4d726829993572b7937b460
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5jmU7:bxNrC7kYo1Fxf2rYPL7

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1032	pissa.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	2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pissa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1032	2112	2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe	84
PID 2112 wrote to memory of 1032	2112	2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe	84
PID 2112 wrote to memory of 1032	2112	2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_458297ae5dfd6ddbd22c13225971f40e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\pissa.exe

Filesize
35KB

MD5
9e7e5d6300f9587097218f26a66aa8b0

SHA1
a545d45a411bbad1fdfd2e82493643c815429816

SHA256
3b1089fec92635ab2a9121882e7e2fc4637dc8afe0e331b614a52cc0610d6552

SHA512
a24be86f66bc058d2dd97564b61ba78ab6a948da41675e0168e905c83a3e596a07ad0abc5e4700894c5126e92668368eddedfce88ac2284378c0634e23e5d557

Download Submit
memory/1032-17-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1032-23-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2112-0-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/2112-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/2112-2-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download