e807084ce09dfc518da25d4ed003b55e12760d3dded0fdd0561689e977a913f8

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 05:26

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General

Target

2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe
Size

49KB
MD5

5393ca2334bf28bb2ee0cd3267d1c90b
SHA1

c47ed767807711027311bd4a7996bba4d01e3bbc
SHA256

e807084ce09dfc518da25d4ed003b55e12760d3dded0fdd0561689e977a913f8
SHA512

421ca73c53e49867f1be98279f9c580caf9f94db4041eca06d635daa95da0100ece679762fcee45e3040fde84a93f1a55bba0821c2d97d35e2db75029025387c
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITW:26Q0ElP6G+gBQMOtEvwDpjgWMl7TW

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	2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4520	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	2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_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 4128 wrote to memory of 4520	4128	2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe	82
PID 4128 wrote to memory of 4520	4128	2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe	82
PID 4128 wrote to memory of 4520	4128	2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_5393ca2334bf28bb2ee0cd3267d1c90b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128
- 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:4520

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

Replay Monitor

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Downloads

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

Filesize
49KB

MD5
73e43dcac01a6a8bb35c5eed7da92428

SHA1
0b849f75b58a55a57c2489407bb4a18b54bd6b8d

SHA256
9c61f677fba3e7d6b4ba75cb293974c4cf80bbb8b77272c2a53eea426c0c4077

SHA512
3a7db0cdc329db4a2efe551693d292a3be78b0ebd7ce3d75227ce2d7a4d06df32bf568203eec71d0cfc689edd09d8f533767113ed56e41581fc20b560b6f26cc

Download Submit
memory/4128-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4128-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4128-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4128-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4128-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4520-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4520-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4520-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download