blacknet | f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	DAF4.exe

Downloads MZ/PE file

Executes dropped EXE 5 IoCs

pid	Process
4836	D304.exe
1512	DAF4.exe
2328	E527.exe
3896	E527.exe
2696	F814.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DAF4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	DAF4.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

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	E527.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	E527.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	DAF4.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1512	DAF4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 3896	2328	E527.exe	87

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3792	3700	WerFault.exe	98
4972	3896	WerFault.exe	87

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	f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.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
4904	schtasks.exe
1896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4712	f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe
4712	f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4712	f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4836	D304.exe
Token: SeShutdownPrivilege	2912	Process not Found
Token: SeCreatePagefilePrivilege	2912	Process not Found
Token: SeDebugPrivilege	3896	E527.exe
Token: SeDebugPrivilege	2160	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3896	E527.exe
3896	E527.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 4836	2912	Process not Found	82
PID 2912 wrote to memory of 4836	2912	Process not Found	82
PID 2912 wrote to memory of 4836	2912	Process not Found	82
PID 2912 wrote to memory of 1512	2912	Process not Found	84
PID 2912 wrote to memory of 1512	2912	Process not Found	84
PID 2912 wrote to memory of 1512	2912	Process not Found	84
PID 2912 wrote to memory of 2328	2912	Process not Found	85
PID 2912 wrote to memory of 2328	2912	Process not Found	85
PID 2912 wrote to memory of 2328	2912	Process not Found	85
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 3896	2328	E527.exe	87
PID 2328 wrote to memory of 1180	2328	E527.exe	88
PID 2328 wrote to memory of 1180	2328	E527.exe	88
PID 2328 wrote to memory of 1180	2328	E527.exe	88
PID 2328 wrote to memory of 4224	2328	E527.exe	89
PID 2328 wrote to memory of 4224	2328	E527.exe	89
PID 2328 wrote to memory of 4224	2328	E527.exe	89
PID 2912 wrote to memory of 2696	2912	Process not Found	91
PID 2912 wrote to memory of 2696	2912	Process not Found	91
PID 2328 wrote to memory of 4540	2328	E527.exe	94
PID 2328 wrote to memory of 4540	2328	E527.exe	94
PID 2328 wrote to memory of 4540	2328	E527.exe	94
PID 4224 wrote to memory of 4904	4224	cmd.exe	95
PID 4224 wrote to memory of 4904	4224	cmd.exe	95
PID 4224 wrote to memory of 4904	4224	cmd.exe	95
PID 3896 wrote to memory of 2160	3896	E527.exe	96
PID 3896 wrote to memory of 2160	3896	E527.exe	96
PID 3896 wrote to memory of 2160	3896	E527.exe	96

C:\Users\Admin\AppData\Local\Temp\f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe
"C:\Users\Admin\AppData\Local\Temp\f335de99ddd439a9cbdcfed4b0a401806af481b789122df20936b9c00991b7e7.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4712

C:\Users\Admin\AppData\Local\Temp\D304.exe
C:\Users\Admin\AppData\Local\Temp\D304.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4836

C:\Users\Admin\AppData\Local\Temp\DAF4.exe
C:\Users\Admin\AppData\Local\Temp\DAF4.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1512

C:\Users\Admin\AppData\Local\Temp\E527.exe
C:\Users\Admin\AppData\Local\Temp\E527.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\E527.exe
  "C:\Users\Admin\AppData\Local\Temp\E527.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3896
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 2692
    3⤵
    - Program crash
    PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\RegStart"
  2⤵
  PID:1180
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\RegStart\RegStart.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\RegStart\RegStart.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:4904
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\E527.exe" "C:\Users\Admin\AppData\Roaming\RegStart\RegStart.exe"
  2⤵
  PID:4540

C:\Users\Admin\AppData\Local\Temp\F814.exe
C:\Users\Admin\AppData\Local\Temp\F814.exe
1⤵
- Executes dropped EXE
PID:2696

C:\Users\Admin\AppData\Local\Temp\1D9.exe
C:\Users\Admin\AppData\Local\Temp\1D9.exe
1⤵
PID:3700
- C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
  "C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe"
  2⤵
  PID:1864
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe" /F
    3⤵
    - Creates scheduled task(s)
    PID:1896
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "rovwer.exe" /P "Admin:N"&&CACLS "rovwer.exe" /P "Admin:R" /E&&echo Y|CACLS "..\99e342142d" /P "Admin:N"&&CACLS "..\99e342142d" /P "Admin:R" /E&&Exit
    3⤵
    PID:4660
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
      4⤵
      PID:1484
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "rovwer.exe" /P "Admin:N"
      4⤵
      PID:2636
  - - C:\Windows\SysWOW64\cacls.exe
      CACLS "rovwer.exe" /P "Admin:R" /E
      4⤵
      PID:4316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 1140
  2⤵
  - Program crash
  PID:3792

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4544

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3700 -ip 3700
1⤵
PID:4576

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4868

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3896 -ip 3896
1⤵
PID:3776

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Modify Existing Service

T1031

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery