7e3d5dadb1b3f6c9083aba4c2f2a0b015c75caeaa159d33e6e7825ce475cc5c6

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 19:32

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General

Target

2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe
Size

56KB
MD5

8bb1aa2118026671dde5de2c2508e584
SHA1

e86ce853b42c6210682461bce5bcd1503567b0ef
SHA256

7e3d5dadb1b3f6c9083aba4c2f2a0b015c75caeaa159d33e6e7825ce475cc5c6
SHA512

8df64da3b2664aae9fb856814c1fd62359f1f30bd35ad84d6165a81cb97e2a4a138bcab835cd097eb256ca765eb37fc04ef7fe2867b51f03fb51180cabff4a82
SSDEEP

768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax848+h7:z6QFElP6n+gKmddpMOtEvwDpj9aYaV

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4204	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3200-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000a000000023bb0-13.dat	upx
behavioral2/memory/3200-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/4204-26-0x0000000000500000-0x0000000000510000-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	2024-10-17_8bb1aa2118026671dde5de2c2508e584_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 3200 wrote to memory of 4204	3200	2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe	86
PID 3200 wrote to memory of 4204	3200	2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe	86
PID 3200 wrote to memory of 4204	3200	2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_8bb1aa2118026671dde5de2c2508e584_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3200
- 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:4204

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
56KB

MD5
e702b77da844b10f8ef840f9ad3beddc

SHA1
9431792600f583266c61cb64df500cac1b402fb2

SHA256
eb369a85686bb08482a9f40d6f9c19f923a87da07da5292838d355d8a2ee32b3

SHA512
2a0d75dd7452d50c966755682a1bc022246b40f3be0a98d942c4e83b1c89b9fe93081117461ed1a1322bf9f447fbbded2efdfde1244b6a71e90232b1688c7025

Download Submit
memory/3200-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3200-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3200-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3200-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3200-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4204-19-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4204-25-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4204-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download