d37184bbbb6d1e41c1cade1a29da9f0e440fc600cae0b6a4e9c8bbb4c7f2b7d3

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 10:41

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General

Target

2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe
Size

60KB
MD5

aada37209bb20fcba5202f4f5e194f01
SHA1

c0b968c68e7c366b1bd599e3106913dad8051f82
SHA256

d37184bbbb6d1e41c1cade1a29da9f0e440fc600cae0b6a4e9c8bbb4c7f2b7d3
SHA512

2065d2022b99709196ded78e8833b74cb6e6a06360ade52206e62260837ec0bce6f94d424643d2f4aa0df30533afd31b35561403ea04bf757259541ec04e79f3
SSDEEP

768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP3qA:H6QFElP6n+gou9cvMOtEvwDpjCpVXhA

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3300	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1900-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0009000000023479-13.dat	upx
behavioral2/memory/1900-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3300-26-0x0000000000500000-0x0000000000510000-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	2024-09-15_aada37209bb20fcba5202f4f5e194f01_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 1900 wrote to memory of 3300	1900	2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe	83
PID 1900 wrote to memory of 3300	1900	2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe	83
PID 1900 wrote to memory of 3300	1900	2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_aada37209bb20fcba5202f4f5e194f01_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- 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:3300

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
60KB

MD5
721b76d15b4543ba5144fc9f6d4a10c1

SHA1
bf6b51b2cac31b2e1e36cf9c20504d12628d235a

SHA256
3160ef34e1c7d7a95db2463b5ba89f903d4a4b35e0452d50061347fd22c6b621

SHA512
7c1553f0827d3fcf5d38e5cd52ae587558b82d42d0fb61ed57ef0972d2e8fd87c60d0a1b521511115cfd7c3f31ad764fa065463cd03e186213b1b2dbaf9d020d

Download Submit
memory/1900-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1900-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1900-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1900-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1900-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3300-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3300-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3300-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download