9f9ba87db16da2ad25f1d57d5584d5608cbb6a630fbebb4ab03fc9df2877a1d1

Analysis

max time kernel
148s
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
05-10-2024 05:30

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General

Target

2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe
Size

48KB
MD5

32b5957293f98168157e41878c75c728
SHA1

3709c779cf26aeebcaa14a7e767853d1d9ee2f00
SHA256

9f9ba87db16da2ad25f1d57d5584d5608cbb6a630fbebb4ab03fc9df2877a1d1
SHA512

fab9bd01769a608dce77358b0baa2b828d709cdb612337962d9e5b3ae9400ec65742bdc0eb2473d5f1150cd65e15e703c0d5a35843b9b27be694d157d7ad7e34
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKyNk:79mqyNhQMOtEvwDpjBxe8TpLk

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4832	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	2024-10-05_32b5957293f98168157e41878c75c728_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 4004 wrote to memory of 4832	4004	2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe	82
PID 4004 wrote to memory of 4832	4004	2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe	82
PID 4004 wrote to memory of 4832	4004	2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_32b5957293f98168157e41878c75c728_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- 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:4832

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
48KB

MD5
fc5fe66c83d2ebdb83c2368baec104f0

SHA1
5dbd2bd247c40b7ae5326c7f7b9eede4cca73d9f

SHA256
a732aeb52b24dd6395051ea938dba22f7d40d2ed8d924f9c3b21588f58cb55ac

SHA512
95cbb26690698c941c04ab28a1d1a82165efa7d41d64196541149b5201078f6c17820d2ea086fdb824a8187025292b955a04a471a444b42058809f620372b5a3

Download Submit
memory/4004-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4004-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4004-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4004-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4004-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4832-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4832-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4832-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download