7f4f34e0480c423eb2625e926dc5186fa96aaf28c91c650ff323ed63948ca76b

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 04:26

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General

Target

2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe
Size

80KB
MD5

4e64ff142ee53bd24fad933afa321264
SHA1

1a9ba4140e6f9c0096946dae5661fda50cea833f
SHA256

7f4f34e0480c423eb2625e926dc5186fa96aaf28c91c650ff323ed63948ca76b
SHA512

bf754163e3314882b618a2a3a9c1066cfd21a116e1836b7c1b8ca1673412dbe162ce58adcbbaf25336988827a55f7241d918c5e4e124e4757ca146d23c16b140
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPFHi:V6QFElP6n+gMQMOtEvwDpjyaLccVNlG

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4084	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4084	4912	2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe	86
PID 4912 wrote to memory of 4084	4912	2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe	86
PID 4912 wrote to memory of 4084	4912	2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_4e64ff142ee53bd24fad933afa321264_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- 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:4084

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
80KB

MD5
c85d6f904b426624cf5bcd6559ad4f3c

SHA1
93a83b96d6bc84f6a9d2637b7fb069fe7b058706

SHA256
06f5d6dee74e4beeec95b31c69509fd8174a75ad4042b8afbf86910fabb32fcb

SHA512
793b10202c579a1c317492329d86a46aad5bb7d43379646b26ca8d0967b3076b21827ec30a96dcd16177cda148fedefb1e905a33e3a86de316e5766df72f7cb2

Download Submit
memory/4084-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4084-18-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4912-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4912-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4912-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download