djvu | 336d564bc468f800dceb2fd1464540b43c8dab376170d4c06e49f7efb4591d1c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	F4B6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	F4B6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	build2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	F3CB.exe

Loads dropped DLL 2 IoCs

pid	Process
3964	build2.exe
3964	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3532	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\89059da2-b140-40bf-9730-62621ee325c2\\F4B6.exe\" --AutoStart"	F4B6.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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
42	api.2ip.ua
56	api.2ip.ua
39	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 3088	2380	F4B6.exe	94
PID 1276 set thread context of 2796	1276	F4B6.exe	105
PID 368 set thread context of 3964	368	build2.exe	111

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1100	3724	WerFault.exe	90
1976	2004	WerFault.exe	87

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	F6DA.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	F6DA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	F6DA.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
1724	schtasks.exe
2604	schtasks.exe
3856	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1452	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2096	file.exe
2096	file.exe
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found
2056	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2056	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2096	file.exe
2996	F6DA.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found
Token: SeShutdownPrivilege	2056	Process not Found
Token: SeCreatePagefilePrivilege	2056	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2004	2056	Process not Found	87
PID 2056 wrote to memory of 2004	2056	Process not Found	87
PID 2056 wrote to memory of 2004	2056	Process not Found	87
PID 2056 wrote to memory of 2380	2056	Process not Found	88
PID 2056 wrote to memory of 2380	2056	Process not Found	88
PID 2056 wrote to memory of 2380	2056	Process not Found	88
PID 2056 wrote to memory of 2996	2056	Process not Found	89
PID 2056 wrote to memory of 2996	2056	Process not Found	89
PID 2056 wrote to memory of 2996	2056	Process not Found	89
PID 2056 wrote to memory of 3724	2056	Process not Found	90
PID 2056 wrote to memory of 3724	2056	Process not Found	90
PID 2056 wrote to memory of 3724	2056	Process not Found	90
PID 2056 wrote to memory of 3420	2056	Process not Found	91
PID 2056 wrote to memory of 3420	2056	Process not Found	91
PID 2056 wrote to memory of 3544	2056	Process not Found	92
PID 2056 wrote to memory of 3544	2056	Process not Found	92
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 2380 wrote to memory of 3088	2380	F4B6.exe	94
PID 3088 wrote to memory of 3532	3088	F4B6.exe	98
PID 3088 wrote to memory of 3532	3088	F4B6.exe	98
PID 3088 wrote to memory of 3532	3088	F4B6.exe	98
PID 2004 wrote to memory of 1724	2004	F3CB.exe	99
PID 2004 wrote to memory of 1724	2004	F3CB.exe	99
PID 2004 wrote to memory of 1724	2004	F3CB.exe	99
PID 3088 wrote to memory of 1276	3088	F4B6.exe	103
PID 3088 wrote to memory of 1276	3088	F4B6.exe	103
PID 3088 wrote to memory of 1276	3088	F4B6.exe	103
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 1276 wrote to memory of 2796	1276	F4B6.exe	105
PID 2796 wrote to memory of 368	2796	F4B6.exe	107
PID 2796 wrote to memory of 368	2796	F4B6.exe	107
PID 2796 wrote to memory of 368	2796	F4B6.exe	107
PID 2796 wrote to memory of 2256	2796	F4B6.exe	108
PID 2796 wrote to memory of 2256	2796	F4B6.exe	108
PID 2796 wrote to memory of 2256	2796	F4B6.exe	108
PID 2256 wrote to memory of 2604	2256	build3.exe	109
PID 2256 wrote to memory of 2604	2256	build3.exe	109
PID 2256 wrote to memory of 2604	2256	build3.exe	109
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 368 wrote to memory of 3964	368	build2.exe	111
PID 3964 wrote to memory of 2292	3964	build2.exe	112

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2096

C:\Users\Admin\AppData\Local\Temp\F3CB.exe
C:\Users\Admin\AppData\Local\Temp\F3CB.exe
1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
  2⤵
  - Creates scheduled task(s)
  PID:1724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1028
  2⤵
  - Program crash
  PID:1976

C:\Users\Admin\AppData\Local\Temp\F4B6.exe
C:\Users\Admin\AppData\Local\Temp\F4B6.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\F4B6.exe
  C:\Users\Admin\AppData\Local\Temp\F4B6.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3088
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\89059da2-b140-40bf-9730-62621ee325c2" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3532
- - C:\Users\Admin\AppData\Local\Temp\F4B6.exe
    "C:\Users\Admin\AppData\Local\Temp\F4B6.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1276
  - - C:\Users\Admin\AppData\Local\Temp\F4B6.exe
      "C:\Users\Admin\AppData\Local\Temp\F4B6.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:2796
    - - C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build2.exe
        
        "C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:368
      - C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build2.exe
        
        "C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build2.exe"
        6⤵
        Executes dropped EXE
        Checks computer location settings
        Loads dropped DLL
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:3964
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build2.exe" & exit
        7⤵
        
        PID:2292
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:1452
    - - C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build3.exe
        
        "C:\Users\Admin\AppData\Local\f8285336-ae8c-4479-8775-e3e449143781\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2256
      - C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        6⤵
        Creates scheduled task(s)
        
        PID:2604

C:\Users\Admin\AppData\Local\Temp\F6DA.exe
C:\Users\Admin\AppData\Local\Temp\F6DA.exe
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2996

C:\Users\Admin\AppData\Local\Temp\F842.exe
C:\Users\Admin\AppData\Local\Temp\F842.exe
1⤵
- Executes dropped EXE
PID:3724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 380
  2⤵
  - Program crash
  PID:1100

C:\Users\Admin\AppData\Local\Temp\FC99.exe
C:\Users\Admin\AppData\Local\Temp\FC99.exe
1⤵
- Executes dropped EXE
PID:3420

C:\Users\Admin\AppData\Local\Temp\EF.exe
C:\Users\Admin\AppData\Local\Temp\EF.exe
1⤵
- Executes dropped EXE
PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3724 -ip 3724
1⤵
PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2004 -ip 2004
1⤵
PID:1820

C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
1⤵
- Executes dropped EXE
PID:4372

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
PID:224
- C:\Windows\SysWOW64\schtasks.exe
  /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
  2⤵
  - Creates scheduled task(s)
  PID:3856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery