03f007cc90b73413af191aa50123570b21e21ec7ac1fb2ec4737e8eddf465bb8

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 01:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe
Size

53KB
MD5

8d80bf803c941929d6cb82599cc0e59d
SHA1

56d5ce3034f22d94a93b510158046843f9e3c221
SHA256

03f007cc90b73413af191aa50123570b21e21ec7ac1fb2ec4737e8eddf465bb8
SHA512

09451cff5686decc0951f9de38e23845c505f24a53b9232bf6255ed2485e8643088ccb4f02fa8f2ac464ff5941d111cdb76a911c71568143c50de826e22c18c1
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTYa:X6QFElP6n+gJBMOtEvwDpjBtExmlka

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1956	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	2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1956	2360	2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe	91
PID 2360 wrote to memory of 1956	2360	2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe	91
PID 2360 wrote to memory of 1956	2360	2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_8d80bf803c941929d6cb82599cc0e59d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- 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:1956

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3836 /prefetch:8
1⤵
PID:2952

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
53KB

MD5
28762b10887d540267aa1f71bb415e18

SHA1
b656c1643ddbf071340ba9498920c648a5794273

SHA256
89dbb061fa2fdffe0bd177e1eea6e95c2a368863e01e9349f83e971d52328ea4

SHA512
2e2491de1c7ab9ce33e4eaa3183d64286cb3a75215606c6c102b34d089de8dbbea4784412cf005cd17ce260999060f9ca74f9e379bfd049d5d7161f72e1d9873

Download Submit
memory/1956-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1956-23-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2360-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2360-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download