6150501ef9710928f296e8a812c2c850cd5c55846536bccbb6c1901aee864875

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 03:33

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General

Target

2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe
Size

81KB
MD5

5ea815ac1756fa403f7698078b25b7e7
SHA1

ec8e60e94d57c5ef2510e2e8a268bacb994a61f5
SHA256

6150501ef9710928f296e8a812c2c850cd5c55846536bccbb6c1901aee864875
SHA512

ca8154595faed44545d9ac2d70f75e10637997ecb998a318e00390573c1dd1369069c03f0e820c1f87a1f5016cd63a46115d0de76ccaf090c1eacec5a0f3b339
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqds:T6a+rdOOtEvwDpjNc9

Score

7^/10

discovery upx

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1440	asih.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4716-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000c000000023b9c-13.dat	upx
behavioral2/memory/4716-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1440-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	2024-10-14_5ea815ac1756fa403f7698078b25b7e7_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 4716 wrote to memory of 1440	4716	2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe	85
PID 4716 wrote to memory of 1440	4716	2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe	85
PID 4716 wrote to memory of 1440	4716	2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_5ea815ac1756fa403f7698078b25b7e7_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716
- 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:1440

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
81KB

MD5
d3d4e35b044da7ac255bf898eda58071

SHA1
a4f17bcee6a702fcb8f86b48d87ee4a49004be2e

SHA256
72996c7f332196cb0b8bcf7086eb643e2128f2e3c81da23de54eba6566c6e6d7

SHA512
8e9bf6286492a37efe5bfb758503bf374b544d03c0ced1e2bbcd449d7112ee484b18e410966b369a5806cab74c2b5b090d49b9cb2fe342daf5514e52688016e8

Download Submit
memory/1440-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1440-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1440-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4716-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4716-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4716-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4716-3-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/4716-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download