Analysis
- max time kernel
82s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 17:29
General
- Target 1cd3c2e75712a802da37953a5353c2dd.exe
- Size 246KB
- Sample240227-v2kkjsfa73
- SHA256 5aa92bfd228195b36e88e6b22e27a4802596d1c7803d20b0d943f0207e563844
Malware Config
Extracted
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smokeloader
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2022
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http://selebration17io.io/index.php
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http://vacantion18ffeu.cc/index.php
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http://valarioulinity1.net/index.php
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http://buriatiarutuhuob.net/index.php
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http://cassiosssionunu.me/index.php
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http://sulugilioiu19.net/index.php
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http://goodfooggooftool.net/index.php
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http://kamsmad.com/tmp/index.php
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http://souzhensil.ru/tmp/index.php
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http://teplokub.com.ua/tmp/index.php
Extracted
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smokeloader
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pub1
Extracted
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lumma
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https://resergvearyinitiani.shop/api
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https://technologyenterdo.shop/api
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https://detectordiscusser.shop/api
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https://turkeyunlikelyofw.shop/api
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https://associationokeo.shop/api
Signatures
- DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Glupteba
Glupteba is a modular loader written in Golang with various components.
- Glupteba payload 2 IoCs
- Lumma Stealer
An infostealer written in C++ first seen in August 2022.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Creates new service(s) 1 TTPs
- Downloads MZ/PE file
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Stops running service(s) 3 TTPs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 18 IoCs
- Loads dropped DLL 9 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Suspicious use of SetThreadContext 1 IoCs
- Launches sc.exe 4 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 9 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies data under HKEY_USERS 64 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 39 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\1cd3c2e75712a802da37953a5353c2dd.exe"C:\Users\Admin\AppData\Local\Temp\1cd3c2e75712a802da37953a5353c2dd.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\BB80.exeC:\Users\Admin\AppData\Local\Temp\BB80.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BB80.exeC:\Users\Admin\AppData\Local\Temp\BB80.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
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C:\Users\Admin\AppData\Local\Temp\D40A.exeC:\Users\Admin\AppData\Local\Temp\D40A.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\D786.exeC:\Users\Admin\AppData\Local\Temp\D786.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\E022.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\E022.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\AB.exeC:\Users\Admin\AppData\Local\Temp\AB.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\4A4.exeC:\Users\Admin\AppData\Local\Temp\4A4.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-2B26E.tmp\4A4.tmp"C:\Users\Admin\AppData\Local\Temp\is-2B26E.tmp\4A4.tmp" /SL5="$501E2,2351656,56832,C:\Users\Admin\AppData\Local\Temp\4A4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe"C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe"C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe" -s3⤵
- Executes dropped EXE
-
-
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C:\Users\Admin\AppData\Roaming\fcijhbiC:\Users\Admin\AppData\Roaming\fcijhbi1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\2DA9.exeC:\Users\Admin\AppData\Local\Temp\2DA9.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe"C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe"C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe"3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"4⤵
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes5⤵
- Modifies Windows Firewall
-
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 8923⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\InstallSetup4.exe"C:\Users\Admin\AppData\Local\Temp\InstallSetup4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\BroomSetup.exeC:\Users\Admin\AppData\Local\Temp\BroomSetup.exe3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F5⤵
- Creates scheduled task(s)
-
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C:\Windows\SysWOW64\chcp.comchcp 12515⤵
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-
-
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C:\Users\Admin\AppData\Local\Temp\nsk439E.tmpC:\Users\Admin\AppData\Local\Temp\nsk439E.tmp3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 23844⤵
- Program crash
-
-
-
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C:\Users\Admin\AppData\Local\Temp\FourthX.exe"C:\Users\Admin\AppData\Local\Temp\FourthX.exe"2⤵
- Executes dropped EXE
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force3⤵
-
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "UTIXDCVF"3⤵
- Launches sc.exe
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart3⤵
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C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart4⤵
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-
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "UTIXDCVF" binpath= "C:\ProgramData\xcfonrchdkar\vueqjgslwynd.exe" start= "auto"3⤵
- Launches sc.exe
-
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "UTIXDCVF"3⤵
- Launches sc.exe
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog3⤵
- Launches sc.exe
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C:\Users\Admin\AppData\Local\Temp\3990.exeC:\Users\Admin\AppData\Local\Temp\3990.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3760 -ip 37601⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3252 -ip 32521⤵
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C:\ProgramData\xcfonrchdkar\vueqjgslwynd.exeC:\ProgramData\xcfonrchdkar\vueqjgslwynd.exe1⤵
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force2⤵
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart2⤵
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C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵
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C:\Windows\explorer.exeexplorer.exe2⤵
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
vueqjgslwynd.exe
sadkodrive.exe
sadkodrive.exe
sadkodrive.exe
288c47bbc1871b439df19ff4df68f076.exe
288c47bbc1871b439df19ff4df68f076.exe
288c47bbc1871b439df19ff4df68f076.exe
288c47bbc1871b439df19ff4df68f076.exe
2DA9.exe
2DA9.exe
3990.exe
4A4.exe
cached-microdesc-consensus.tmp
cached-microdescs.new
AB.exe
BB80.exe
BroomSetup.exe
D40A.exe
D40A.exe
D786.exe
E022.dll
FourthX.exe
FourthX.exe
FourthX.exe
InstallSetup4.exe
InstallSetup4.exe
InstallSetup4.exe
__PSScriptPolicyTest_uhbfbuyu.c4b.ps1
4A4.tmp
_iscrypt.dll
_isdecmp.dll
INetC.dll
nsk439E.tmp
Task.bat
fcijhbi
powershell.exe.log
StartupProfileData-Interactive
StartupProfileData-Interactive
memory/348-326-0x0000000005940000-0x0000000005C94000-memory.dmp
memory/348-310-0x00000000049A0000-0x00000000049B0000-memory.dmp
memory/348-332-0x0000000005F60000-0x0000000005F7E000-memory.dmp
memory/348-333-0x0000000005F90000-0x0000000005FDC000-memory.dmp
memory/348-343-0x00000000064C0000-0x0000000006504000-memory.dmp
memory/348-348-0x00000000049A0000-0x00000000049B0000-memory.dmp
memory/348-347-0x00000000072D0000-0x0000000007346000-memory.dmp
memory/348-316-0x00000000058D0000-0x0000000005936000-memory.dmp
memory/348-349-0x00000000079D0000-0x000000000804A000-memory.dmp
memory/348-350-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/348-315-0x0000000005860000-0x00000000058C6000-memory.dmp
memory/348-314-0x00000000057C0000-0x00000000057E2000-memory.dmp
memory/348-296-0x0000000004950000-0x0000000004986000-memory.dmp
memory/348-306-0x0000000004FE0000-0x0000000005608000-memory.dmp
memory/348-307-0x0000000072390000-0x0000000072B40000-memory.dmp
memory/348-308-0x00000000049A0000-0x00000000049B0000-memory.dmp
memory/656-62-0x0000000010000000-0x0000000010202000-memory.dmp
memory/656-67-0x0000000002EE0000-0x0000000003008000-memory.dmp
memory/656-65-0x0000000000DC0000-0x0000000000DC6000-memory.dmp
memory/656-72-0x0000000003010000-0x000000000311D000-memory.dmp
memory/656-71-0x0000000003010000-0x000000000311D000-memory.dmp
memory/656-68-0x0000000003010000-0x000000000311D000-memory.dmp
memory/676-160-0x00000000000A0000-0x0000000000956000-memory.dmp
memory/676-158-0x0000000072E20000-0x00000000735D0000-memory.dmp
memory/676-205-0x0000000072E20000-0x00000000735D0000-memory.dmp
memory/1304-135-0x0000000000400000-0x000000000075F000-memory.dmp
memory/1304-139-0x0000000000400000-0x000000000075F000-memory.dmp
memory/1304-140-0x0000000000400000-0x000000000075F000-memory.dmp
memory/1304-136-0x0000000000400000-0x000000000075F000-memory.dmp
memory/1392-214-0x0000000002440000-0x0000000002441000-memory.dmp
memory/2204-58-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/2204-47-0x0000000003790000-0x0000000003791000-memory.dmp
memory/2204-56-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/2204-66-0x0000000000A50000-0x00000000014FD000-memory.dmp
memory/2204-55-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/2204-54-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/2204-53-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/2204-43-0x0000000001AA0000-0x0000000001AA1000-memory.dmp
memory/2204-44-0x0000000001AB0000-0x0000000001AB1000-memory.dmp
memory/2204-45-0x0000000000A50000-0x00000000014FD000-memory.dmp
memory/2204-51-0x0000000000A50000-0x00000000014FD000-memory.dmp
memory/2204-46-0x0000000001AC0000-0x0000000001AC1000-memory.dmp
memory/2204-49-0x00000000037B0000-0x00000000037B1000-memory.dmp
memory/2204-57-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/2204-48-0x00000000037A0000-0x00000000037A1000-memory.dmp
memory/2204-50-0x00000000037D0000-0x00000000037D1000-memory.dmp
memory/2276-165-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/2276-149-0x0000000001B10000-0x0000000001C10000-memory.dmp
memory/2276-150-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/3252-262-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3252-238-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/3252-237-0x0000000001BB0000-0x0000000001BD7000-memory.dmp
memory/3252-236-0x0000000001C00000-0x0000000001D00000-memory.dmp
memory/3468-83-0x0000000000400000-0x0000000001A77000-memory.dmp
memory/3468-42-0x0000000000400000-0x0000000001A77000-memory.dmp
memory/3468-40-0x0000000001BF0000-0x0000000001C5B000-memory.dmp
memory/3468-39-0x0000000001CE0000-0x0000000001DE0000-memory.dmp
memory/3468-90-0x0000000001CE0000-0x0000000001DE0000-memory.dmp
memory/3488-241-0x0000000008A10000-0x0000000008A26000-memory.dmp
memory/3488-4-0x0000000002990000-0x00000000029A6000-memory.dmp
memory/3488-162-0x0000000002C50000-0x0000000002C66000-memory.dmp
memory/3760-253-0x0000000002930000-0x0000000002D2F000-memory.dmp
memory/3760-254-0x0000000002E30000-0x000000000371B000-memory.dmp
memory/3760-256-0x0000000000400000-0x0000000000D1C000-memory.dmp
memory/3952-243-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/3952-204-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/3952-188-0x0000000003530000-0x000000000353B000-memory.dmp
memory/3952-183-0x0000000001A50000-0x0000000001B50000-memory.dmp
memory/4172-16-0x00000000037E0000-0x000000000399B000-memory.dmp
memory/4172-17-0x0000000003AA0000-0x0000000003C57000-memory.dmp
memory/4216-1-0x0000000001B50000-0x0000000001C50000-memory.dmp
memory/4216-5-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/4216-3-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/4216-2-0x0000000001B00000-0x0000000001B0B000-memory.dmp
memory/4484-89-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4484-156-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4484-81-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4588-24-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-18-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-63-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-95-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-87-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-260-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-21-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-159-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-22-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-23-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4588-25-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4604-113-0x0000000000780000-0x0000000000781000-memory.dmp
memory/4604-92-0x0000000000770000-0x0000000000771000-memory.dmp
memory/4604-94-0x0000000000C90000-0x0000000001581000-memory.dmp
memory/4604-144-0x0000000000C90000-0x0000000001581000-memory.dmp
memory/4604-111-0x0000000000C90000-0x0000000001581000-memory.dmp
memory/4888-261-0x0000000000400000-0x000000000075F000-memory.dmp
memory/4888-142-0x0000000000400000-0x000000000075F000-memory.dmp
memory/4888-145-0x0000000000400000-0x000000000075F000-memory.dmp
memory/4888-311-0x0000000000400000-0x000000000075F000-memory.dmp
memory/4888-213-0x0000000000400000-0x000000000075F000-memory.dmp
memory/4992-157-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/4992-112-0x0000000000680000-0x0000000000681000-memory.dmp