e0c67d48a149478ddf1dfc6bf45984c02b8128441ec7db1921cc2d13eefe9860

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:31

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General

Target

2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe
Size

43KB
MD5

9facfd949749625593f72594061836fa
SHA1

ab02790b39f3d309511d300ed7538575e9d66e54
SHA256

e0c67d48a149478ddf1dfc6bf45984c02b8128441ec7db1921cc2d13eefe9860
SHA512

32971c639a2aa7d5d02782069fca095e4199217e48a4bfdb9e8018b04476a1992f37cffdcff109c683b128fa4657c18a13ae18f1d70fab2db0fe4d0b84b9fabf
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1T6:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkL6

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4836	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 4836	1524	2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe	84
PID 1524 wrote to memory of 4836	1524	2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe	84
PID 1524 wrote to memory of 4836	1524	2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_9facfd949749625593f72594061836fa_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524
- 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:4836

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
44KB

MD5
47d76ab2eb1e526485b916b0b3e8d09f

SHA1
02098799b9ce1dd50e01b9b22ff3135448f56b0b

SHA256
10bd82811f0b18a4e0be7227f36a768d459fdd1e1a88bb9b4380bd5e18624518

SHA512
f21a8ad60d27472c91a711dab9a0cc27fa00be6d80901c4456a27bdf58c9083ccb6491c29d5a30e122541b6c9275a49cc806a52d1d592be4862d5db2e81cb4e1

Download Submit
memory/1524-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1524-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1524-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1524-4-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1524-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4836-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4836-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4836-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download