5212b230b00144cf45653e5cdf20bf5b20c3531ec4d89ad22a7b6f7b45e23f12

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 07:23

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General

Target

2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe
Size

43KB
MD5

6510e2a8ea72ed1ca41ab3b01eaf1306
SHA1

c88f4aa9b651a08a77139738bb1c50d62d499eef
SHA256

5212b230b00144cf45653e5cdf20bf5b20c3531ec4d89ad22a7b6f7b45e23f12
SHA512

7e7e9f08c1cfb0c0be779e8be5a29b5e5bcdf098f8d004ab150111512d742433e917d39cd2945783cd539d581c76e8bf7eca8f25bea5c57e6b6ccdd48cc3ae1b
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCOl:bA6YcA/X6G0W143Qzl

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	2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	hasfj.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	2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4900	3972	2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe	82
PID 3972 wrote to memory of 4900	3972	2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe	82
PID 3972 wrote to memory of 4900	3972	2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_6510e2a8ea72ed1ca41ab3b01eaf1306_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3972
- 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:4900

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\hasfj.exe

Filesize
43KB

MD5
67452c29cd68120343f5b824bdccaa13

SHA1
cfe742c9a942c2c8a6071f8dd5b599bf5e15aca2

SHA256
c2765b72958a9c32ae84bbce20ef717152ec46df7c2eaeaffde0923b36510fcc

SHA512
9d2154f4fe9c7d4552ab28e81d8a1565da564b7c9c9b5ec0fa34cffe7d22042516e1c98e765566cefbad7cf0084117d6a9aff144f0911576c1b2c00261a01f23

Download Submit
memory/3972-0-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/3972-1-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/3972-2-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/4900-17-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4900-23-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download