41dee2660a0b328e25caaaa7dd14621ea473b8b05a4d9a943dd0691a6a6ab93f

Analysis

max time kernel
150s
max time network
148s
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, 07:34

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General

Target

2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe
Size

33KB
MD5

92aa70f667f382b1725d43b85cecc9ce
SHA1

9964a18803920dfdec5b0cda0b6e53b1099b5359
SHA256

41dee2660a0b328e25caaaa7dd14621ea473b8b05a4d9a943dd0691a6a6ab93f
SHA512

f083092470358581815f957e2c97fdd945483d8d660122b9cdb03516d626876d11ff1c85c9e7c236284e96db94f5fd532020ba9e48a17e3ca6ab1dbf41a95278
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGOe:bG74zYcgT/Ekd0ryfjo

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_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
796	hasfj.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	2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 796	3796	2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe	91
PID 3796 wrote to memory of 796	3796	2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe	91
PID 3796 wrote to memory of 796	3796	2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_92aa70f667f382b1725d43b85cecc9ce_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:796

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=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
1⤵
PID:3156

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

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Downloads

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

Filesize
33KB

MD5
fb085bd49957684e002722716131f6b0

SHA1
801e8b6fdd40b8cdc0d73468414f161974e344f2

SHA256
d8726d7079cd22d8ecf76bc44e7bc562e91abccfdc757c60ee7fe71c1478a16a

SHA512
677659b4735af838a9d0b440f4dd8b515f1ba75826de4ff3623db2fd8109bb05e7fd075ecd71ee2ff84aaf81143258f7e9c55b31836f09f43b4a88a1c73f8f95

Download Submit
memory/796-20-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/796-19-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/796-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3796-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3796-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3796-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3796-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3796-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download