1224662dcaeb7a42168f299846b41379e060e6049f28c8ea15d6e4998f0c111b

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
13/10/2024, 08:25

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General

Target

2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe
Size

55KB
MD5

3640e95037cdd20d319fa100f27c6b65
SHA1

d0f4b0aae610aa0f3a7176a74938ef73111317e7
SHA256

1224662dcaeb7a42168f299846b41379e060e6049f28c8ea15d6e4998f0c111b
SHA512

5769ec3c5789f5bafc04141f31e00db145c4838cbf910cbbf22c0ebb62a6b2e1411a6136e219f36375fd433f099a9fbd9ba08f2dc3ea306e3f6e2d9ec8acfd09
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIwj:X6QFElP6n+gJBMOtEvwDpjBtExmld

Score

7^/10

discovery

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2344	asih.exe

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	2024-10-13_3640e95037cdd20d319fa100f27c6b65_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 4564 wrote to memory of 2344	4564	2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe	84
PID 4564 wrote to memory of 2344	4564	2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe	84
PID 4564 wrote to memory of 2344	4564	2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_3640e95037cdd20d319fa100f27c6b65_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564
- 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:2344

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
73fa92d98515b7e1faf760d469aa100e

SHA1
ee28117586c1d4f4e0f57cb346a5473d44004054

SHA256
c1cd1483fd72daad0a35a7fb23d1f93dc5e552dde1da4b6a3e77c9c30574782d

SHA512
5b9ce479dc6cd57b02da073be3b54d666913c23e620e5e7674cc06bd54170442e68be9fb27b42e7d654422021c63323d94a3a6c9ea0541e3f51250405efc6ce4

Download Submit
memory/2344-17-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2344-18-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/4564-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4564-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4564-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download