d57656eefcc5ae25112bd1352f976164e365c6739bac79699d990cefec439c10

Analysis

max time kernel
135s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 06:59

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General

Target

2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_cryptolocker.exe
Size

64KB
MD5

60f5c405bb212b75bea12c3b8aa6b86a
SHA1

ba6bd6e7c3656c5c3f3e51c4e773c2bf5dd5f497
SHA256

d57656eefcc5ae25112bd1352f976164e365c6739bac79699d990cefec439c10
SHA512

626fe68aa3b52cdde71e9c7deb25683d926ff33c1c7d7103ec6d1ed110341cce24ad17d20b02cb708bfd244913835e657b6c6ded3d7a91b1fa85b7f6500b0319
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnT5a:btng54SMLr+/AO/kIhfoKMHda8

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	2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_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
4980	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	2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_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 220 wrote to memory of 4980	220	2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_cryptolocker.exe	85
PID 220 wrote to memory of 4980	220	2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_cryptolocker.exe	85
PID 220 wrote to memory of 4980	220	2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-17_60f5c405bb212b75bea12c3b8aa6b86a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:220
- 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:4980

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
6948ed7aa5f99e1f57450469e99fabd2

SHA1
fdd8da8162ab42cceb334a3c4735bfb8abf76987

SHA256
4ccdd7b6b8590385af072b478e69ca535758199d23839c87bef8f1c7cc1844c9

SHA512
e2726d8d94c8bda016193ea125a9fc545caa326a1daa10c6bbf20f2c7140c4812eae6cc74eec8cc41d3feedffd48efa2ea07d47dc1b275035d04b0b91ad059e3

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

Filesize
184B

MD5
2ebae6c90744ada0362d2edf0bc81738

SHA1
dd27815f8829e997530a68ed484a70d9c528a0d5

SHA256
ed63ffa0ec03d8bf435aa4565c971272f8b6841022146d1103481e21097899b2

SHA512
97018b677f450ebbe1da7092d371bc470f9f37a73f64107ff845d7fc80a87306bb1258d092e517e646ef8ac2f11c8acd1967ba2abed73985521e9a119daaa895

Download Submit
memory/220-0-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/220-1-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/220-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4980-25-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download