15ebb6fb4af163ebe9835b06b88abceb4e890df80427acc4a1cdafbf44b71aff

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 02:25

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General

Target

2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe
Size

48KB
MD5

4d28c15a291a1799d4b9d2e94946b822
SHA1

a8afe1d7ac8e308aab2fcfbbbef623f9c106f3e1
SHA256

15ebb6fb4af163ebe9835b06b88abceb4e890df80427acc4a1cdafbf44b71aff
SHA512

ce70f4c1a58343264df9faeb4378cbe1f64ac11b67652b253c10a071e812b2c0a3a1535e8e0124ae30b81cf8fd29350197a9d098a44d830eb09de015bbbf7168
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPcJ:P6QFElP6k+MRQMOtEvwDpjBQpVXp

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
540	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	2024-09-28_4d28c15a291a1799d4b9d2e94946b822_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 2856 wrote to memory of 540	2856	2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe	82
PID 2856 wrote to memory of 540	2856	2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe	82
PID 2856 wrote to memory of 540	2856	2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_4d28c15a291a1799d4b9d2e94946b822_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:540

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
48KB

MD5
16814bd7183d0da73010e8ad6a16420b

SHA1
9dc05ba4fb12006101fba56c8dbcdc058f2c9d1d

SHA256
bbdc4ad097885405bad6b5d54cd889557dbe126c16c43ee9736e4c7fc3f99fd7

SHA512
fc85e68468fbf5a6189b56bca90631a68c1e64652e672f731631799e755d45a4a7fe126ada64276f6c687f0edbe1eb94ddce2fcb02922daebacee8f2d6d333ca

Download Submit
memory/540-19-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/540-25-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/540-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2856-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2856-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2856-2-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2856-4-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/2856-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download