46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf

General

Target

46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
Size

66KB
MD5

212ed115e3880dd24329894e9829547b
SHA1

4292ff2b2ca05e4ede32d7bf0c8e2497767a75f1
SHA256

46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf
SHA512

9eb27989a2ff53a756cfde2b39e18c14a49837867e6a5bf89bb0ac8822908c9501de49b8a04a334c4a9e35f9a5bba9567d316821782d37edae9f9a54bcf61104
SSDEEP

1536:HsrTImGCxTil5vaKtfUHl1jeeeeeeMeeeeeeWLU:HsnT9R

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\6438640620394286720310355\winsvc.exe = "C:\\Users\\Admin\\6438640620394286720310355\\winsvc.exe:*:Enabled:Microsoft Windows Service"	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe

Executes dropped EXE 1 IoCs

pid	Process
4668	winsvc.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Service = "C:\\Users\\Admin\\6438640620394286720310355\\winsvc.exe"	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 4668	2496	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe	79
PID 2496 wrote to memory of 4668	2496	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe	79
PID 2496 wrote to memory of 4668	2496	46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe	79

C:\Users\Admin\AppData\Local\Temp\46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
"C:\Users\Admin\AppData\Local\Temp\46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe"
1⤵
- Modifies firewall policy service
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\6438640620394286720310355\winsvc.exe
  "C:\Users\Admin\6438640620394286720310355\winsvc.exe"
  2⤵
  - Executes dropped EXE
  PID:4668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\6438640620394286720310355\winsvc.exe

Filesize
66KB

MD5
212ed115e3880dd24329894e9829547b

SHA1
4292ff2b2ca05e4ede32d7bf0c8e2497767a75f1

SHA256
46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf

SHA512
9eb27989a2ff53a756cfde2b39e18c14a49837867e6a5bf89bb0ac8822908c9501de49b8a04a334c4a9e35f9a5bba9567d316821782d37edae9f9a54bcf61104

Download Submit
C:\Users\Admin\6438640620394286720310355\winsvc.exe

Filesize
66KB

MD5
212ed115e3880dd24329894e9829547b

SHA1
4292ff2b2ca05e4ede32d7bf0c8e2497767a75f1

SHA256
46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf

SHA512
9eb27989a2ff53a756cfde2b39e18c14a49837867e6a5bf89bb0ac8822908c9501de49b8a04a334c4a9e35f9a5bba9567d316821782d37edae9f9a54bcf61104

Download Submit
memory/2496-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2496-133-0x00000000005B0000-0x00000000005C6000-memory.dmp

Filesize
88KB

Download
memory/2496-134-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4668-138-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4668-139-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download
memory/4668-140-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads