beb061c463ea23a43f687708e638379ba75b7ba8111aa4addea8e0b08a934db9

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
19/11/2024, 14:26

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General

Target

2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe
Size

114KB
MD5

50ce277b6d033d164e1ff64da58ff39a
SHA1

04c4228f736aaa6a33ddde513a094c767765a4e5
SHA256

beb061c463ea23a43f687708e638379ba75b7ba8111aa4addea8e0b08a934db9
SHA512

711b22592c8c86bce92ca66882c8d804ca84b3aeb1cb1bc0a0d280b88ca55cd6badae9ce961cd0d4c02db9900fc9f7f645df6a82af476a64c68c1faffc235373
SSDEEP

1536:76QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgdd2:76a+CdOOtEvwDpjcz6

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	2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2212	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000023c61-13.dat	upx
behavioral2/memory/2452-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2212-26-0x0000000000500000-0x0000000000510000-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	2024-11-19_50ce277b6d033d164e1ff64da58ff39a_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 2452 wrote to memory of 2212	2452	2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe	84
PID 2452 wrote to memory of 2212	2452	2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe	84
PID 2452 wrote to memory of 2212	2452	2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_50ce277b6d033d164e1ff64da58ff39a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- 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:2212

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
114KB

MD5
45104a9a86322fbb99797fcd35e5e990

SHA1
33bb500ac3a91fc31e83341bec3b6961fbe472c3

SHA256
3e8856c977ce3b6aa9c0fe20eb4713e9dbb6fd334ba089b8c4beee9de5e8ce77

SHA512
558cf2579559d4a9e4e6dc2224daee53daf61f4bd710edd792dcadce2d0d73bf2aed80e3a36146ef37873dbc29c46bb02397664882136611f0fa7f69d24ee77b

Download Submit
memory/2212-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2212-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2212-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2452-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2452-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2452-3-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2452-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download