adc37a12ceb4836ca83e12200e5fa2ea13bf87d8ed6402494b616203d9cd836a

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 03:07

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General

Target

2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe
Size

63KB
MD5

e9af611f6615d544fa7b29558f570266
SHA1

83ab0a4ddfaff7568a71f120e1fcff3b09b2fd67
SHA256

adc37a12ceb4836ca83e12200e5fa2ea13bf87d8ed6402494b616203d9cd836a
SHA512

6357a455eee2e2ee796c03db65aecf0750b6b0529fc19c9eaf46d8c29d70248127d1b11b70714569256996d170a8a6211564d9e1af5b012d6754147f9f0456be
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZn1B: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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3968	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	2024-09-12_e9af611f6615d544fa7b29558f570266_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 888 wrote to memory of 3968	888	2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe	84
PID 888 wrote to memory of 3968	888	2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe	84
PID 888 wrote to memory of 3968	888	2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_e9af611f6615d544fa7b29558f570266_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:888
- 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:3968

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\gewos.exe

Filesize
64KB

MD5
f1339c3553bfaa03f55f73cbddfcda22

SHA1
9f01654163d9cafff22568ca34d2b50a86fad8d3

SHA256
2015db7f31b62ab8f61a967ad518b75e971ea0628f3b822cd7932494e56be5ef

SHA512
bcc8901bd20bc1c58ec07cc9d8c5bddfb503e525686d2faa9c5d4fb4b0a346617e02e9dabddd81b278655cfffac392016a89de58e3297b42affadd15691e3891

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewosik.exe

Filesize
184B

MD5
c0d72cf42c5bf9bddd59501f856e8e4d

SHA1
ba242efec43abf3302401bd5753b0ae9dd032c15

SHA256
b30fe12e38865d39f41e3c8a6197a844aa2cda3671c6d38df3a77fa12bf23a27

SHA512
f4d006c7b11552a6d735f6b83b0a2e0ac20e4c4b005120269b3fd75355652368c9257e159b10faedd42bae181a1e331b44d06f0c5261d10e3b8b05c4c323af47

Download Submit
memory/888-0-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/888-1-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/888-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3968-25-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download