6e0bea15ef642c0cbcea5b487d7a5402d00592232bb14f6c5ba5273478ae002a

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	stgbncxvcdq.exe

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	stgbncxvcdq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	stgbncxvcdq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	stgbncxvcdq.exe

Adds policy Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	stgbncxvcdq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ocmatgvealpfds = "duhyukconbibcupqu.exe"	stgbncxvcdq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\rcjukugmfno = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zulggawmphspuqpucsnez.exe"	stgbncxvcdq.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	stgbncxvcdq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	stgbncxvcdq.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	stgbncxvcdq.exe

Loads dropped DLL 2 IoCs

pid	Process
2304	6026f25d2195decd2904223e7118712a.exe
2304	6026f25d2195decd2904223e7118712a.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\wmyojypaylrjjauu = "keuongbqsjtptomqxmgw.exe ."	stgbncxvcdq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\meskhyreetbvxqmotg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\keuongbqsjtptomqxmgw.exe"	stgbncxvcdq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\duhyukconbibcupqu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\keuongbqsjtptomqxmgw.exe ."	stgbncxvcdq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\oaiulwjqktvj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wmyojypaylrjjauu.exe"	stgbncxvcdq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\najwoaowrbetq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\keuongbqsjtptomqxmgw.exe ."	stgbncxvcdq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\oaiulwjqktvj = "keuongbqsjtptomqxmgw.exe"	stgbncxvcdq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\najwoaowrbetq = "duhyukconbibcupqu.exe ."	stgbncxvcdq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\rgrgaoeolxctsib = "wmyojypaylrjjauu.exe"	stgbncxvcdq.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	stgbncxvcdq.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	stgbncxvcdq.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	www.showmyipaddress.com
7	whatismyip.everdot.org
10	whatismyipaddress.com

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\meskhyreetbvxqmotg.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\SysWOW64\xqfywoiwxnwruolouib.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\SysWOW64\keuongbqsjtptomqxmgw.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\SysWOW64\zulggawmphspuqpucsnez.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\SysWOW64\qmeabwtkohtrxuuajawokl.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\SysWOW64\wmyojypaylrjjauu.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\SysWOW64\duhyukconbibcupqu.exe	stgbncxvcdq.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\wmyojypaylrjjauu.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\duhyukconbibcupqu.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\meskhyreetbvxqmotg.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\xqfywoiwxnwruolouib.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\keuongbqsjtptomqxmgw.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\zulggawmphspuqpucsnez.exe	stgbncxvcdq.exe
File opened for modification	C:\Windows\qmeabwtkohtrxuuajawokl.exe	stgbncxvcdq.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2304	6026f25d2195decd2904223e7118712a.exe
2304	6026f25d2195decd2904223e7118712a.exe
2304	6026f25d2195decd2904223e7118712a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2660	2304	6026f25d2195decd2904223e7118712a.exe	26
PID 2304 wrote to memory of 2660	2304	6026f25d2195decd2904223e7118712a.exe	26
PID 2304 wrote to memory of 2660	2304	6026f25d2195decd2904223e7118712a.exe	26
PID 2304 wrote to memory of 2660	2304	6026f25d2195decd2904223e7118712a.exe	26

System policy modification 1 TTPs 5 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	stgbncxvcdq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	stgbncxvcdq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	stgbncxvcdq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	stgbncxvcdq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	stgbncxvcdq.exe

C:\Users\Admin\AppData\Local\Temp\6026f25d2195decd2904223e7118712a.exe
"C:\Users\Admin\AppData\Local\Temp\6026f25d2195decd2904223e7118712a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\stgbncxvcdq.exe
  "C:\Users\Admin\AppData\Local\Temp\stgbncxvcdq.exe" "c:\users\admin\appdata\local\temp\6026f25d2195decd2904223e7118712a.exe*"
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Adds policy Run key to start application
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System policy modification
  PID:2660
- - C:\Users\Admin\AppData\Local\Temp\xehoago.exe
    "C:\Users\Admin\AppData\Local\Temp\xehoago.exe" "-C:\Users\Admin\AppData\Local\Temp\wmyojypaylrjjauu.exe"
    3⤵
    PID:2112
- - C:\Users\Admin\AppData\Local\Temp\xehoago.exe
    "C:\Users\Admin\AppData\Local\Temp\xehoago.exe" "-C:\Users\Admin\AppData\Local\Temp\wmyojypaylrjjauu.exe"
    3⤵
    PID:1616
- C:\Users\Admin\AppData\Local\Temp\stgbncxvcdq.exe
  "C:\Users\Admin\AppData\Local\Temp\stgbncxvcdq.exe" "c:\users\admin\appdata\local\temp\6026f25d2195decd2904223e7118712a.exe"
  2⤵
  PID:1608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

Winlogon Helper DLL

T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

Winlogon Helper DLL

T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses