03595adfa3781f9406d790b85ba07bcef3c49446adf951a17b6d7181b1a78abe

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
01/10/2024, 05:40

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General

Target

2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe
Size

47KB
MD5

d3d81a68e27c62389426e1307475c2c7
SHA1

b4c25bb9e2380581b397b1f2a574fc92836e1027
SHA256

03595adfa3781f9406d790b85ba07bcef3c49446adf951a17b6d7181b1a78abe
SHA512

80245a596c6b693211ce884909a601142d4a3d0409f4b2657ce3c816f37d8001d6a86187e5495b7d091c70655bd30e56bd381c3f6a92b319582cc54cb77cda36
SSDEEP

384:Q/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2V3:B9inqyNR/QtOOtEvwDpjBKccJVODvy3a

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	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	2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 2880	4708	2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe	82
PID 4708 wrote to memory of 2880	4708	2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe	82
PID 4708 wrote to memory of 2880	4708	2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-01_d3d81a68e27c62389426e1307475c2c7_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- 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:2880

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
48KB

MD5
62aa67edc2c666e1a53a48a30c01769a

SHA1
d322624b7ec014cd05ffd7f172bf0d8bedecbfd1

SHA256
f3dd179778f92da81cafec1d12a79bf3240d3eff94ed3665f3bff2760ac9092e

SHA512
0cb9958040d2cd24c670fb268fe3c27987e835a2283d87fdc910755389a3df65ae3a1f81a4398b6b6738ca4754f31436134cc2684c34e99036abb3a763ceaf7d

Download Submit
memory/2880-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2880-19-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2880-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4708-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4708-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4708-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4708-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4708-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download