d6fa84d6aa831d45d18cebc729dc9acc4f0429c10ee0bdb983960df16cca3976

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
06/10/2024, 05:33

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General

Target

2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe
Size

63KB
MD5

bf6094b20b9ef644e53ccd173204e606
SHA1

89751d66541570436f67240e5917be215ea5b4f5
SHA256

d6fa84d6aa831d45d18cebc729dc9acc4f0429c10ee0bdb983960df16cca3976
SHA512

fd199c070525a9d29c5c803b47188b820b707e4e957a716dee5a3b9f982a1b61c7bae8a2b8eb5c9147eb45c69baa9d99bce637f7ec0a55ea895bfa254e6dba6b
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxq:btng54SMLr+/AO/kIhfoKMHdao

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3608	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	2024-10-06_bf6094b20b9ef644e53ccd173204e606_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 1308 wrote to memory of 3608	1308	2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe	81
PID 1308 wrote to memory of 3608	1308	2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe	81
PID 1308 wrote to memory of 3608	1308	2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-06_bf6094b20b9ef644e53ccd173204e606_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3608

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
70bc1544bb3e67975697eccd1cf0e20e

SHA1
672d0302f600453912d81b175644db37c19f35dc

SHA256
e5883b26f9a894bfda22b0434c5429c3f50666a81319ae1f31ca0c90e18b02a3

SHA512
2b1db12321fcf09f2a9d8202a4c5527a297d530fb5ef72b6aa4c3186bd01678bce774aaf293c75b704ccd5dc30a12b16063023bd1f6a33a19928c08bd3dd5ad6

Download Submit
memory/1308-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1308-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1308-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3608-19-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download