d3bbe4d30e65965bf2722243b2418576764db621be07ab5cd8335c5f4766b4b9

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 15:01

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General

Target

2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe
Size

42KB
MD5

4a55068f7771211da0f54143efbf6652
SHA1

5bec973c0e3558f108d26eb94fb14fcef0a3704c
SHA256

d3bbe4d30e65965bf2722243b2418576764db621be07ab5cd8335c5f4766b4b9
SHA512

b7310b51e2f0f78837385e707603046b60f21f58bf9b16d88a540399207124ec3fa74f14da9cefdaf009b40e1ba6f6598e041673396222cfc2bb9d38fb598812
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqZMP:bxNrC7kYo1Fxf3s05rwxbFh

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3328	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	2024-12-21_4a55068f7771211da0f54143efbf6652_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 1312 wrote to memory of 3328	1312	2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe	83
PID 1312 wrote to memory of 3328	1312	2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe	83
PID 1312 wrote to memory of 3328	1312	2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-21_4a55068f7771211da0f54143efbf6652_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1312
- 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:3328

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
42KB

MD5
4cf185a45a3fef960937a1a3e1799728

SHA1
b4e77df90657a8f910a736543d7bf5f0e2ba723e

SHA256
2e2a955cd639161e31e5e4e40159aa226bb70fbf065029c02ba1aad67343b55a

SHA512
f4ce166cffeb02431086acb8744b2a0b71d750791cd81c60a8703afb951f5c0789961f0938f85640846ed123b5ec545751ad21f6427cf8c9aaeaf374d18675a5

Download Submit
memory/1312-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1312-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1312-2-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download
memory/3328-17-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3328-18-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download