8c24b0c9e455a591927e7688f6786b0d501d3179d658f2e1948f6208a9643be7

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe
Size

37KB
MD5

010eecf85509af3b2d8beb3b80c7f986
SHA1

963d7f59630f773791762f1d5afc1dc696486f3d
SHA256

8c24b0c9e455a591927e7688f6786b0d501d3179d658f2e1948f6208a9643be7
SHA512

b5964b4eccdc465c24783ebc1002a740d0a36633c8f72fdc72a60bbfc0361530fd8b7dd88448de524628da10a22e2617c86d81bc813985b713eba12a38056db3
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkIT6k:qDdFJy3QMOtEvwDpjjWMl7T6k

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3180	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2876-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000c000000023bc8-13.dat	upx
behavioral2/memory/2876-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3180-27-0x0000000000500000-0x0000000000510000-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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 3180	2876	2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe	83
PID 2876 wrote to memory of 3180	2876	2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe	83
PID 2876 wrote to memory of 3180	2876	2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-30_010eecf85509af3b2d8beb3b80c7f986_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- 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:3180

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

Loading Replay Monitor...

Downloads

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

Filesize
37KB

MD5
919beac9b4db34b0d66387d8b4e28977

SHA1
da8e41c8ae61e77f9e92ed1822b6d0836257878b

SHA256
c65e17158666446cb0e1409972c4dbfe0ed97f0a63392b25e4117733d8a5379a

SHA512
8c149528b3cbbe064cd8882e6e1922f8eca392563dfc460837eb818900865bcc447fa38cf04aee303a4f1d87f5a425b32a731ec869d42feb6fba25228a4ff276

Download Submit
memory/2876-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2876-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2876-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2876-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2876-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3180-20-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3180-21-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download
memory/3180-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download