d0f0c698c419d085404cef957dd5b6b4c25c1764db815c9d3f919103c2042384

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 02:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe
Size

72KB
MD5

279186d8c0c6a843c0efc210846a15eb
SHA1

7739111d2fe6b4eee32619cb3329a73b9856e67b
SHA256

d0f0c698c419d085404cef957dd5b6b4c25c1764db815c9d3f919103c2042384
SHA512

70b49c01553e5046b6f1f5571f152e73fe046995df7ac65e55781c2b91f1c8081d7ca0b196a510f9eb6ef7724f5688429b58068c5471cd17cb38196c9f8247b9
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOt:DW60sllyWOtEvwDpjwF85W

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	2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4588	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	2024-09-15_279186d8c0c6a843c0efc210846a15eb_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 4528 wrote to memory of 4588	4528	2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe	92
PID 4528 wrote to memory of 4588	4528	2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe	92
PID 4528 wrote to memory of 4588	4528	2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_279186d8c0c6a843c0efc210846a15eb_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528
- 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:4588

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=4032 /prefetch:8
1⤵
PID:2528

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
72KB

MD5
40df11111b9e811f4dbaf0824f13469e

SHA1
69e49476c9b4107d9e5662c048ceb6e2d3152d15

SHA256
7344776e850559c10024fe6f0315e3eba1b9576263d13f277d557b21c0952114

SHA512
73df4f8126d79799daf80dd26cb9f659ed4bd97f33286b47dafdef24e8c1925d26dab377b299d16b88732fc8cf596d58690f479cd4a217745416a51dce0daa82

Download Submit
memory/4528-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4528-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4528-2-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4528-5-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4528-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4588-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4588-20-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4588-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download