c1b7b49c2bb0b8f6f8777026de4895b7724da450f598b00bea50f9c83392872a

Analysis

max time kernel
148s
max time network
149s
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, 03:41

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General

Target

2024-09-19_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe
Size

62KB
MD5

d49e15409325a3acf38a1c5da6d0c612
SHA1

348ad2e54fb2973e6c5d9693a2805635496a92f2
SHA256

c1b7b49c2bb0b8f6f8777026de4895b7724da450f598b00bea50f9c83392872a
SHA512

31c440fa02229aeacb4b3e02f1bf4ca6fe2a420b065f0eb95d5603fec5b196a90e583175fdfa06c14818eca6eb247f2c4bb7e9f2706631818761cf9958130d25
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgL:DW60sllyWOtEvwDpjwF82

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_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4892	asih.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_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 4892	920	2024-09-19_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe	82
PID 920 wrote to memory of 4892	920	2024-09-19_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe	82
PID 920 wrote to memory of 4892	920	2024-09-19_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_d49e15409325a3acf38a1c5da6d0c612_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- 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:4892

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\asih.exe

Filesize
62KB

MD5
789991583fb38cd7e0faba011533f250

SHA1
e79e2eb4af2eecf3d1178110d8121d2486a63bf7

SHA256
258416241aeea050a65c691bc2e5e625ed343f51f08cfa307f02801fdefedff7

SHA512
337a8877be0805a06c701f6c7c86a1ef3db0edba04dff79195d2d37ca70eaaedae0b016c7ed1010f551a2d9c0d5d0d9c855bd25eed8a7db9b8e2332209834f16

Download Submit
memory/920-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/920-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/920-2-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/920-3-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/920-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4892-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/4892-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4892-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download