9750b55ff40f67dc99219b0c68af0fbecb2cdb3adbe84d2bc608a10f243232e9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 00:25

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General

Target

2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe
Size

53KB
MD5

35f16c755acba08fe190985b340c60e6
SHA1

f518ca49b0a84ad30b33b03667a9387e1442d723
SHA256

9750b55ff40f67dc99219b0c68af0fbecb2cdb3adbe84d2bc608a10f243232e9
SHA512

9a08655269de7cc49326e66b76a4d80149180a0b11b8683147ca4fe415ebf6926f052a61c82c134574e844780b53b1f7b2066efe2c0465d1b4d29e1c4a6bc282
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTY:X6QFElP6n+gJBMOtEvwDpjBtExmlk

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5000	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	2024-09-03_35f16c755acba08fe190985b340c60e6_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 4456 wrote to memory of 5000	4456	2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe	86
PID 4456 wrote to memory of 5000	4456	2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe	86
PID 4456 wrote to memory of 5000	4456	2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-03_35f16c755acba08fe190985b340c60e6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4456
- 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:5000

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
53KB

MD5
e2ae6a073b008710dad40ba528837c37

SHA1
5c499fcfddfa4d6f719f86ffc902322ded30f98c

SHA256
53595e7cd13a1e252c3c3a4a8e4f44c94a3464ef7b23f89dc5bd9e3750f9e77d

SHA512
7f8ec514690469ca1361fb1df8f385b90c908515f0874e1b1b79a22ae8d657f677a985afd6a99f067b2162403a9216e9631b2c9a59b5b83399f12a38e1a3833c

Download Submit
memory/4456-0-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4456-1-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4456-2-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/5000-18-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/5000-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download