f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7

Analysis

max time kernel
93s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 03:46

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General

Target

f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Size

7.9MB
MD5

487de42a01ba7f2adaef3484024ba2ac
SHA1

fd3d4df9fb987215aad12a9031868047d27dc2e0
SHA256

f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7
SHA512

3bc82cab182139b90a9dbc424763ee357075b77fc437e0eab41b5ad9d9fa6084ef15257ee936b9e4201d64ab09f40f80209aeaa6572e9a76dbdfcb9ec0ac3ed8
SSDEEP

196608:FBxMFyIL00Bl6X6m+jIwTDU9fMRK3eT6iuZ/oW:qh00BiwvUB+K32uq

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/796-0-0x0000000000ED0000-0x0000000002675000-memory.dmp	upx
behavioral2/memory/796-2-0x0000000000ED0000-0x0000000002675000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3028	796	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe\" -- \"%1\""	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon\ = "URL:psiphon"	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon\URL Protocol	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon\shell\open\command	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon\shell	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\psiphon\shell\open	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
796	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
796	f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe

C:\Users\Admin\AppData\Local\Temp\f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe
"C:\Users\Admin\AppData\Local\Temp\f133a5ebb821c85d8f22405a522e321cfefc2ee9dde8cb9dfcb36deab87635e7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 1676
  2⤵
  - Program crash
  PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 796 -ip 796
1⤵
PID:3340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/796-0-0x0000000000ED0000-0x0000000002675000-memory.dmp

Filesize
23.6MB

Download
memory/796-2-0x0000000000ED0000-0x0000000002675000-memory.dmp

Filesize
23.6MB

Download