b94208a143d0708b8a046e0c811c4f9e9cd95ccbc4528a51224fe83f8be21be6

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
05/09/2024, 12:15

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General

Target

2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe
Size

72KB
MD5

c5541dfaf320ff5c0ed1d9ae20763f35
SHA1

e793df3128d19ad565686db1628512ebcd345d96
SHA256

b94208a143d0708b8a046e0c811c4f9e9cd95ccbc4528a51224fe83f8be21be6
SHA512

247feb12f407fa3ba5f1e4f334b0db5839b6e7ca5b1fd7e27dcf98993eeb167dc1fbe52987a1fa5d01f8f89c86f0af5fefa020d0c923b3d6d07a840352cfabaa
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOl0:DW60sllyWOtEvwDpjwF855

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4544	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	2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_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 1240 wrote to memory of 4544	1240	2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe	84
PID 1240 wrote to memory of 4544	1240	2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe	84
PID 1240 wrote to memory of 4544	1240	2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_c5541dfaf320ff5c0ed1d9ae20763f35_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1240
- 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:4544

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
73KB

MD5
5bc4243ad953320868017ff463fbc7de

SHA1
87ad57f181f040ad452152b28336d46f4ad6fb3c

SHA256
ad8442a2fc574519b5a8b803ab363592f52259b054f183f5616a90a69a689c95

SHA512
dbf4ee8aec977fad9ca7fd00a523d637de7eab335581bc8685a626712cdad8c9a97933107edbcd2646385e401fa765a1e5ef1b21a12e17a5f5019ea11ca930a7

Download Submit
memory/1240-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1240-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1240-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4544-25-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4544-19-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/4544-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download