ed2cc54cb6a36850573d4d7f1798157ced22d9ff318bac3cd37868c1676f6495

Analysis

max time kernel
125s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 08:22

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General

Target

2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe
Size

63KB
MD5

87850e44751169c4e3d1fcd8d53def21
SHA1

9aa81b37d185a70f49c20241d996560391f61baa
SHA256

ed2cc54cb6a36850573d4d7f1798157ced22d9ff318bac3cd37868c1676f6495
SHA512

1009169b131be6e52b55207a1f02c93890ed3d1beaccb517e4b35a8b2f32b308c4b08e712375ea8c9cb14c93fb3539add213917ab7ab74addd0e9047315e1606
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnx9:btng54SMLr+/AO/kIhfoKMHdar

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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	2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3920	gewos.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	2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3920	4224	2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe	89
PID 4224 wrote to memory of 3920	4224	2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe	89
PID 4224 wrote to memory of 3920	4224	2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_87850e44751169c4e3d1fcd8d53def21_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3920

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=3840,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=1308 /prefetch:8
1⤵
PID:432

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\gewos.exe

Filesize
63KB

MD5
1eee3166e22bd10a31788a967428ea2c

SHA1
166b24710f8e3ce47eeb2b922afe2d4983a9dd9e

SHA256
0d6987fb36c6f71ae37e0916d73d912bf97cc4382cab20e1c627001f7c96a62f

SHA512
5d865a4222b6d5bef3b2a4ecc62b6ba99701530f89cdd41fcb2a0061f306ae3047bd5c4c1ca447155365e33e0bfeb96da238394fd00e8d5778ebdcb7e66474ec

Download Submit
memory/3920-19-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4224-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4224-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/4224-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download