87e3a76f7fcba2f7c9cf131678fedf350713b5e3a4ac5dc5a2e73b3276996a29

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 04:34

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General

Target

2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe
Size

35KB
MD5

d29b6496dfb2f424fd310cb13049d515
SHA1

6464a7decf6d82e16094442b2dc43def6fb85401
SHA256

87e3a76f7fcba2f7c9cf131678fedf350713b5e3a4ac5dc5a2e73b3276996a29
SHA512

1e4f1446118672df9a31c90522872736df71b88717bc932455dc4f5ff8dd342fec297fff2f2c3d256d531f647b149994519aa8376deb05749c5cff8308b5aeed
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3L:bG74zYcgT/Ekd0ryfjkb7

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	2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1980	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	hasfj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 1980	2824	2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe	91
PID 2824 wrote to memory of 1980	2824	2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe	91
PID 2824 wrote to memory of 1980	2824	2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-11_d29b6496dfb2f424fd310cb13049d515_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:1980

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=4156,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
1⤵
PID:220

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\hasfj.exe

Filesize
35KB

MD5
3edb25612c18bd76fc5f3792b48a8e84

SHA1
bce56c92a65ddb3ff1b2625a939071b816a92d93

SHA256
9d63a3316704d01cf8ad78dd2254dce0ef8783b62bebcf60887856cc5850c92d

SHA512
f0ea0a6d983fd4c5dfceafc3769960a589e678043a062cb8710ecd25b9ab6082e117d21116280e912bcb5c64552094c9593dbb32185d2d4f5a580d4c090026d5

Download Submit
memory/1980-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1980-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2824-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2824-1-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/2824-2-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/2824-3-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/2824-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download