1410c050ac644bf0b7696ca485baaeb1ccf9cc0c1b8d4a436919e319f82604e4

Analysis

max time kernel
148s
max time network
150s
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_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
Size

39KB
MD5

eb1f30e65ae849ab5f3049aa3b60717f
SHA1

dc2c49b11596b1a9d49a5fcc1455a3c77cf8adbd
SHA256

1410c050ac644bf0b7696ca485baaeb1ccf9cc0c1b8d4a436919e319f82604e4
SHA512

60c5e4aa95cb93cc0e56b5b93b3acd9a11762e906e6dc11fb55747c877759e024be256b2f88e8795ad0bdb5d93b5791916ffa20ce2579e3a0a2454c59e2045a7
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3Li:btB9g/WItCSsAGjX7e9N0hunRv+

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
3092	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_eb1f30e65ae849ab5f3049aa3b60717f_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 640 wrote to memory of 3092	640	2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe	84
PID 640 wrote to memory of 3092	640	2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe	84
PID 640 wrote to memory of 3092	640	2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_eb1f30e65ae849ab5f3049aa3b60717f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640
- 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:3092

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
40KB

MD5
92f9cb4ebf132a1ee2bb1be3ab4281ec

SHA1
3ba412f2b114d0f7e7e483a0364a0ead4c43dd82

SHA256
a1844d76bda775d71deb7440bb764f4e10db5a41dd55a8b58edbbf5028b3fc10

SHA512
48802e6150515de6446391d5530669ad2b64c234668a6ef81866ea093e868e2c7fb1ee8b47d29c5eb99f9aa195f161e15a41a4fa336312616e1024e1d65b260b

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

Filesize
184B

MD5
a59c988c9f7406d1db18eeb49d28c3a0

SHA1
bc4fbb1242f91a90c2b173f81d0fd47cc5d9f55d

SHA256
cf62fe65404f87cad035019fda280aeac59976c758b9d23ee68b1bed6bcd2746

SHA512
ad225cdea667cf0bdb7f7b1d870abf96f932f804225d5a57b8ed24ce8732fbe80dff909f8f2e727fa625307e6b6ee17ab9034c40e8cd9b408e44caf35aa25e5b

Download Submit
memory/640-0-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/640-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/640-5-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3092-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download