djvu | 706531e3e5222135290a8f4aaa5452cc01714deef364c2ccab024adfd18316eb

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	3BFF.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	3BFF.exe

Loads dropped DLL 3 IoCs

pid	Process
4664	regsvr32.exe
4556	build2.exe
4556	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2444	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 Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\034da28d-bc65-4477-89b8-6807e35fef44\\3BFF.exe\" --AutoStart"	3BFF.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
23	api.2ip.ua
24	api.2ip.ua
45	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3428 set thread context of 1384	3428	3BFF.exe	92
PID 1752 set thread context of 3260	1752	3BFF.exe	107
PID 3924 set thread context of 4556	3924	build2.exe	109

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3104	3432	WerFault.exe	90
3036	3432	WerFault.exe	90
1908	3432	WerFault.exe	90
5020	3432	WerFault.exe	90

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 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	4808.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4808.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4808.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 2 IoCs

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

persistence

Scheduled Task

pid	Process
424	schtasks.exe
3496	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3920	file.exe
3920	file.exe
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3048	Process not Found

Suspicious behavior: MapViewOfSection 24 IoCs

pid	Process
3920	file.exe
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
4780	4808.exe
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found
3048	Process not Found

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found
Token: SeShutdownPrivilege	3048	Process not Found
Token: SeCreatePagefilePrivilege	3048	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3428	3048	Process not Found	89
PID 3048 wrote to memory of 3428	3048	Process not Found	89
PID 3048 wrote to memory of 3428	3048	Process not Found	89
PID 3048 wrote to memory of 3432	3048	Process not Found	90
PID 3048 wrote to memory of 3432	3048	Process not Found	90
PID 3048 wrote to memory of 3432	3048	Process not Found	90
PID 3048 wrote to memory of 3696	3048	Process not Found	91
PID 3048 wrote to memory of 3696	3048	Process not Found	91
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3428 wrote to memory of 1384	3428	3BFF.exe	92
PID 3048 wrote to memory of 4780	3048	Process not Found	95
PID 3048 wrote to memory of 4780	3048	Process not Found	95
PID 3048 wrote to memory of 4780	3048	Process not Found	95
PID 3696 wrote to memory of 4664	3696	regsvr32.exe	94
PID 3696 wrote to memory of 4664	3696	regsvr32.exe	94
PID 3696 wrote to memory of 4664	3696	regsvr32.exe	94
PID 3048 wrote to memory of 3632	3048	Process not Found	96
PID 3048 wrote to memory of 3632	3048	Process not Found	96
PID 3048 wrote to memory of 3632	3048	Process not Found	96
PID 3048 wrote to memory of 3632	3048	Process not Found	96
PID 3048 wrote to memory of 3864	3048	Process not Found	97
PID 3048 wrote to memory of 3864	3048	Process not Found	97
PID 3048 wrote to memory of 3864	3048	Process not Found	97
PID 1384 wrote to memory of 2444	1384	3BFF.exe	98
PID 1384 wrote to memory of 2444	1384	3BFF.exe	98
PID 1384 wrote to memory of 2444	1384	3BFF.exe	98
PID 1384 wrote to memory of 1752	1384	3BFF.exe	103
PID 1384 wrote to memory of 1752	1384	3BFF.exe	103
PID 1384 wrote to memory of 1752	1384	3BFF.exe	103
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 1752 wrote to memory of 3260	1752	3BFF.exe	107
PID 3260 wrote to memory of 3924	3260	3BFF.exe	108
PID 3260 wrote to memory of 3924	3260	3BFF.exe	108
PID 3260 wrote to memory of 3924	3260	3BFF.exe	108
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3924 wrote to memory of 4556	3924	build2.exe	109
PID 3260 wrote to memory of 812	3260	3BFF.exe	110
PID 3260 wrote to memory of 812	3260	3BFF.exe	110
PID 3260 wrote to memory of 812	3260	3BFF.exe	110
PID 812 wrote to memory of 424	812	build3.exe	111
PID 812 wrote to memory of 424	812	build3.exe	111

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

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:3920

C:\Users\Admin\AppData\Local\Temp\3BFF.exe
C:\Users\Admin\AppData\Local\Temp\3BFF.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\3BFF.exe
  C:\Users\Admin\AppData\Local\Temp\3BFF.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\034da28d-bc65-4477-89b8-6807e35fef44" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2444
- - C:\Users\Admin\AppData\Local\Temp\3BFF.exe
    "C:\Users\Admin\AppData\Local\Temp\3BFF.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1752
  - - C:\Users\Admin\AppData\Local\Temp\3BFF.exe
      "C:\Users\Admin\AppData\Local\Temp\3BFF.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3260
    - - C:\Users\Admin\AppData\Local\d9e9b223-c761-4635-b34c-f14dda54d5cd\build2.exe
        
        "C:\Users\Admin\AppData\Local\d9e9b223-c761-4635-b34c-f14dda54d5cd\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3924
      - C:\Users\Admin\AppData\Local\d9e9b223-c761-4635-b34c-f14dda54d5cd\build2.exe
        
        "C:\Users\Admin\AppData\Local\d9e9b223-c761-4635-b34c-f14dda54d5cd\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        
        PID:4556
    - - C:\Users\Admin\AppData\Local\d9e9b223-c761-4635-b34c-f14dda54d5cd\build3.exe
        
        "C:\Users\Admin\AppData\Local\d9e9b223-c761-4635-b34c-f14dda54d5cd\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:812
      - 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:424

C:\Users\Admin\AppData\Local\Temp\42B7.exe
C:\Users\Admin\AppData\Local\Temp\42B7.exe
1⤵
- Executes dropped EXE
PID:3432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 536
  2⤵
  - Program crash
  PID:3104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 540
  2⤵
  - Program crash
  PID:3036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 540
  2⤵
  - Program crash
  PID:1908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 540
  2⤵
  - Program crash
  PID:5020

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\45D5.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\45D5.dll
  2⤵
  - Loads dropped DLL
  PID:4664

C:\Users\Admin\AppData\Local\Temp\4808.exe
C:\Users\Admin\AppData\Local\Temp\4808.exe
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4780

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:3632

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3432 -ip 3432
1⤵
PID:944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3432 -ip 3432
1⤵
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3432 -ip 3432
1⤵
PID:3364

C:\Users\Admin\AppData\Local\Temp\CE8F.exe
C:\Users\Admin\AppData\Local\Temp\CE8F.exe
1⤵
- Executes dropped EXE
PID:3856

C:\Users\Admin\AppData\Local\Temp\D372.exe
C:\Users\Admin\AppData\Local\Temp\D372.exe
1⤵
- Executes dropped EXE
PID:440

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1600

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3432 -ip 3432
1⤵
PID:1096

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4624

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3508

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1692

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4996

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3516

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2520

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:5108

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
PID:5028
- 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:3496

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