fd7827f30a8ecd865583ebb5df0a1436c3c39be96f57c84aab91d979ad1fbee0

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 02:58

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General

Target

2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe
Size

36KB
MD5

910a06f683042b87b138c588366c796a
SHA1

89ac2b3686b1a5e3d5628e62e1d4c84e02a69430
SHA256

fd7827f30a8ecd865583ebb5df0a1436c3c39be96f57c84aab91d979ad1fbee0
SHA512

972ae68cf2ba06281f0fb4cc49034e4642c232e36f4754af629e82f2d742f06b900e802b703bc3568639eda0d075ef15b932b16ab0cb86330ede032d893070d0
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTr:btB9g/WItCSsAGjX7r3BGub8Q

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4640	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	2024-10-12_910a06f683042b87b138c588366c796a_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 636 wrote to memory of 4640	636	2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe	84
PID 636 wrote to memory of 4640	636	2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe	84
PID 636 wrote to memory of 4640	636	2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:636
- 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:4640

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
36KB

MD5
92fa0f34a2305a3dc377085dd51c93c2

SHA1
66eee666f24321d957df3332fc3be276710623ab

SHA256
005ee4d99e0477d4262112802c20b1274b8a2f0b160a5b635e58e4da83e693f0

SHA512
2240f57ba85af4b7769426d98899a7c243eb3adf403c12776d628a788f99073ddc9b5735a667de1d87bed735e623ff2f3d1bc552eacd51676ee5f9283213b476

Download Submit
memory/636-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/636-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/636-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4640-25-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download