djvu | 9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	BE44.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	build2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	BE44.exe

Loads dropped DLL 3 IoCs

pid	Process
4336	regsvr32.exe
2036	build2.exe
2036	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3768	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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6af61cd1-24e2-438c-9aa1-00cbcfbf60b5\\BE44.exe\" --AutoStart"	BE44.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
21	api.2ip.ua
27	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1696 set thread context of 1660	1696	BE44.exe	89
PID 260 set thread context of 3644	260	BE44.exe	94
PID 5100 set thread context of 2036	5100	build2.exe	99

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 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	9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.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
4296	schtasks.exe
3228	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1112	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3668	taskkill.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3060	9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe
3060	9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found
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2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	Process not Found

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3060	9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe
2596	Process not Found
2596	Process not Found
2596	Process not Found
2596	Process not Found

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2596	Process not Found
Token: SeCreatePagefilePrivilege	2596	Process not Found
Token: SeShutdownPrivilege	2596	Process not Found
Token: SeCreatePagefilePrivilege	2596	Process not Found
Token: SeShutdownPrivilege	2596	Process not Found
Token: SeCreatePagefilePrivilege	2596	Process not Found
Token: SeShutdownPrivilege	2596	Process not Found
Token: SeCreatePagefilePrivilege	2596	Process not Found
Token: SeShutdownPrivilege	2596	Process not Found
Token: SeCreatePagefilePrivilege	2596	Process not Found
Token: SeDebugPrivilege	3668	taskkill.exe
Token: SeShutdownPrivilege	2596	Process not Found
Token: SeCreatePagefilePrivilege	2596	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1696	2596	Process not Found	84
PID 2596 wrote to memory of 1696	2596	Process not Found	84
PID 2596 wrote to memory of 1696	2596	Process not Found	84
PID 2596 wrote to memory of 548	2596	Process not Found	85
PID 2596 wrote to memory of 548	2596	Process not Found	85
PID 548 wrote to memory of 4336	548	regsvr32.exe	86
PID 548 wrote to memory of 4336	548	regsvr32.exe	86
PID 548 wrote to memory of 4336	548	regsvr32.exe	86
PID 2596 wrote to memory of 3444	2596	Process not Found	87
PID 2596 wrote to memory of 3444	2596	Process not Found	87
PID 2596 wrote to memory of 3444	2596	Process not Found	87
PID 2596 wrote to memory of 3444	2596	Process not Found	87
PID 2596 wrote to memory of 2112	2596	Process not Found	88
PID 2596 wrote to memory of 2112	2596	Process not Found	88
PID 2596 wrote to memory of 2112	2596	Process not Found	88
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1696 wrote to memory of 1660	1696	BE44.exe	89
PID 1660 wrote to memory of 3768	1660	BE44.exe	90
PID 1660 wrote to memory of 3768	1660	BE44.exe	90
PID 1660 wrote to memory of 3768	1660	BE44.exe	90
PID 1660 wrote to memory of 260	1660	BE44.exe	91
PID 1660 wrote to memory of 260	1660	BE44.exe	91
PID 1660 wrote to memory of 260	1660	BE44.exe	91
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 260 wrote to memory of 3644	260	BE44.exe	94
PID 3644 wrote to memory of 5100	3644	BE44.exe	95
PID 3644 wrote to memory of 5100	3644	BE44.exe	95
PID 3644 wrote to memory of 5100	3644	BE44.exe	95
PID 3644 wrote to memory of 2304	3644	BE44.exe	96
PID 3644 wrote to memory of 2304	3644	BE44.exe	96
PID 3644 wrote to memory of 2304	3644	BE44.exe	96
PID 2304 wrote to memory of 4296	2304	build3.exe	97
PID 2304 wrote to memory of 4296	2304	build3.exe	97
PID 2304 wrote to memory of 4296	2304	build3.exe	97
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 5100 wrote to memory of 2036	5100	build2.exe	99
PID 1492 wrote to memory of 3228	1492	mstsca.exe	101
PID 1492 wrote to memory of 3228	1492	mstsca.exe	101
PID 1492 wrote to memory of 3228	1492	mstsca.exe	101
PID 2036 wrote to memory of 4408	2036	build2.exe	103
PID 2036 wrote to memory of 4408	2036	build2.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

C:\Users\Admin\AppData\Local\Temp\9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe
"C:\Users\Admin\AppData\Local\Temp\9ed374f589cc0be54a716ab3ce4901d778bd92a8528dbda8a5ebba9cf8546efb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3060

C:\Users\Admin\AppData\Local\Temp\BE44.exe
C:\Users\Admin\AppData\Local\Temp\BE44.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\BE44.exe
  C:\Users\Admin\AppData\Local\Temp\BE44.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\6af61cd1-24e2-438c-9aa1-00cbcfbf60b5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3768
- - C:\Users\Admin\AppData\Local\Temp\BE44.exe
    "C:\Users\Admin\AppData\Local\Temp\BE44.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:260
  - - C:\Users\Admin\AppData\Local\Temp\BE44.exe
      "C:\Users\Admin\AppData\Local\Temp\BE44.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3644
    - - C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build2.exe
        
        "C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:5100
      - C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build2.exe
        
        "C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build2.exe"
        6⤵
        Executes dropped EXE
        Checks computer location settings
        Loads dropped DLL
        Checks processor information in registry
        Suspicious use of WriteProcessMemory
        
        PID:2036
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" C/c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build2.exe" & del C:\PrograData\*.dll & exit
        7⤵
        
        PID:4408
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3668
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:1112
    - - C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build3.exe
        
        "C:\Users\Admin\AppData\Local\44b2e552-85ec-49e3-a657-a3e8fa3c99c2\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2304
      - 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:4296

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\BFEB.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\BFEB.dll
  2⤵
  - Loads dropped DLL
  PID:4336

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:3444

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2112

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1492
- 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:3228

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