Analysis
- max time kernel
69s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 13:01
General
- Target 056d02ea6dc581ad442aee7313ac4a3b.exe
- Size 254KB
- Sample240227-p87e1ahd99
- SHA256 ea98c56328b0659d7bfe4a2a04cb0a4c6c10ad5ce9f05c305b9264f305095c86
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 4 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
- 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 16 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 9 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.
- 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 2 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 6 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 40 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\056d02ea6dc581ad442aee7313ac4a3b.exe"C:\Users\Admin\AppData\Local\Temp\056d02ea6dc581ad442aee7313ac4a3b.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\80E8.exeC:\Users\Admin\AppData\Local\Temp\80E8.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\80E8.exeC:\Users\Admin\AppData\Local\Temp\80E8.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
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C:\Users\Admin\AppData\Local\Temp\9442.exeC:\Users\Admin\AppData\Local\Temp\9442.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\96D3.exeC:\Users\Admin\AppData\Local\Temp\96D3.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
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C:\Users\Admin\AppData\Local\Temp\9CC0.exeC:\Users\Admin\AppData\Local\Temp\9CC0.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-BPSC2.tmp\9CC0.tmp"C:\Users\Admin\AppData\Local\Temp\is-BPSC2.tmp\9CC0.tmp" /SL5="$A0230,2248936,56832,C:\Users\Admin\AppData\Local\Temp\9CC0.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\CD DVD Identifier\cddvdidentifier.exe"C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe"C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -s3⤵
- Executes dropped EXE
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-
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C:\Users\Admin\AppData\Local\Temp\B058.exeC:\Users\Admin\AppData\Local\Temp\B058.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
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5800 -s 23644⤵
- Program crash
-
-
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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⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
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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:\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
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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
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 12515⤵
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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:\Users\Admin\AppData\Local\Temp\nsnC0D1.tmpC:\Users\Admin\AppData\Local\Temp\nsnC0D1.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 4804 -s 23404⤵
- 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\sc.exeC:\Windows\system32\sc.exe create "UTIXDCVF" binpath= "C:\ProgramData\xcfonrchdkar\vueqjgslwynd.exe" start= "auto"3⤵
- Launches sc.exe
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-
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C:\Users\Admin\AppData\Local\Temp\BFBB.exeC:\Users\Admin\AppData\Local\Temp\BFBB.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\C922.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\C922.dll2⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5800 -ip 58001⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4804 -ip 48041⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
cddvdidentifier.exe
288c47bbc1871b439df19ff4df68f076.exe
cached-microdesc-consensus.tmp
cached-microdescs.new
80E8.exe
9442.exe
96D3.exe
9CC0.exe
B058.exe
B058.exe
BFBB.exe
BroomSetup.exe
C922.dll
C922.dll
FourthX.exe
InstallSetup4.exe
__PSScriptPolicyTest_ozaueobh.kl5.ps1
9CC0.tmp
_iscrypt.dll
_isdecmp.dll
nsnC0D1.tmp
INetC.dll
Task.bat
memory/836-23-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-24-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-110-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-18-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-21-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-22-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-275-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-116-0x0000000000400000-0x0000000000848000-memory.dmp
memory/836-25-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1228-16-0x00000000038A0000-0x0000000003A5F000-memory.dmp
memory/1228-17-0x0000000003A90000-0x0000000003C47000-memory.dmp
memory/1588-173-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1588-62-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1912-54-0x00000000035B0000-0x000000000361B000-memory.dmp
memory/1912-164-0x0000000000400000-0x0000000001A77000-memory.dmp
memory/1912-56-0x0000000000400000-0x0000000001A77000-memory.dmp
memory/1912-55-0x0000000001D10000-0x0000000001E10000-memory.dmp
memory/1912-53-0x0000000000400000-0x0000000001A77000-memory.dmp
memory/1912-163-0x0000000001D10000-0x0000000001E10000-memory.dmp
memory/3140-39-0x00000000034C0000-0x00000000034C1000-memory.dmp
memory/3140-38-0x00000000034B0000-0x00000000034B1000-memory.dmp
memory/3140-104-0x00000000008B0000-0x000000000135D000-memory.dmp
memory/3140-35-0x00000000008B0000-0x000000000135D000-memory.dmp
memory/3140-36-0x00000000018C0000-0x00000000018C1000-memory.dmp
memory/3140-34-0x00000000018B0000-0x00000000018B1000-memory.dmp
memory/3140-52-0x00000000034F0000-0x0000000003522000-memory.dmp
memory/3140-51-0x00000000034F0000-0x0000000003522000-memory.dmp
memory/3140-37-0x0000000001A00000-0x0000000001A01000-memory.dmp
memory/3140-50-0x00000000034F0000-0x0000000003522000-memory.dmp
memory/3140-49-0x00000000034F0000-0x0000000003522000-memory.dmp
memory/3140-40-0x00000000034D0000-0x00000000034D1000-memory.dmp
memory/3140-42-0x00000000008B0000-0x000000000135D000-memory.dmp
memory/3140-41-0x00000000034E0000-0x00000000034E1000-memory.dmp
memory/3412-120-0x0000000072820000-0x0000000072FD0000-memory.dmp
memory/3412-121-0x0000000000840000-0x00000000010F6000-memory.dmp
memory/3412-156-0x0000000072820000-0x0000000072FD0000-memory.dmp
memory/3480-241-0x0000000000670000-0x0000000000686000-memory.dmp
memory/3480-4-0x0000000002560000-0x0000000002576000-memory.dmp
memory/3552-181-0x0000000002100000-0x0000000002101000-memory.dmp
memory/3552-69-0x0000000002100000-0x0000000002101000-memory.dmp
memory/3552-196-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/4220-222-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/4220-301-0x0000000002C40000-0x0000000002D4D000-memory.dmp
memory/4220-300-0x0000000002B10000-0x0000000002C38000-memory.dmp
memory/4220-218-0x0000000010000000-0x0000000010202000-memory.dmp
memory/4220-308-0x0000000002C40000-0x0000000002D4D000-memory.dmp
memory/4584-278-0x0000000000400000-0x0000000000700000-memory.dmp
memory/4584-221-0x0000000000400000-0x0000000000700000-memory.dmp
memory/4584-114-0x0000000000400000-0x0000000000700000-memory.dmp
memory/4584-198-0x0000000000400000-0x0000000000700000-memory.dmp
memory/4804-225-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4804-194-0x0000000001D80000-0x0000000001E80000-memory.dmp
memory/4804-193-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/4804-192-0x0000000001B80000-0x0000000001BA7000-memory.dmp
memory/4932-165-0x0000000002B20000-0x0000000002F27000-memory.dmp
memory/4932-169-0x0000000000400000-0x0000000000D1C000-memory.dmp
memory/4932-335-0x0000000000400000-0x0000000000D1C000-memory.dmp
memory/4932-280-0x0000000000400000-0x0000000000D1C000-memory.dmp
memory/4932-166-0x0000000002F30000-0x000000000381B000-memory.dmp
memory/4960-106-0x0000000000400000-0x0000000000700000-memory.dmp
memory/4960-107-0x0000000000400000-0x0000000000700000-memory.dmp
memory/4960-111-0x0000000000400000-0x0000000000700000-memory.dmp
memory/5148-190-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/5148-244-0x0000000000400000-0x0000000001A2A000-memory.dmp
memory/5148-182-0x0000000001CA0000-0x0000000001DA0000-memory.dmp
memory/5148-183-0x0000000001AB0000-0x0000000001ABB000-memory.dmp
memory/5428-5-0x0000000000400000-0x0000000001A2C000-memory.dmp
memory/5428-1-0x0000000001A80000-0x0000000001B80000-memory.dmp
memory/5428-3-0x0000000000400000-0x0000000001A2C000-memory.dmp
memory/5428-2-0x0000000001BF0000-0x0000000001BFB000-memory.dmp
memory/5744-162-0x00000000026A0000-0x00000000026A1000-memory.dmp
memory/5800-276-0x00000000073F0000-0x0000000007422000-memory.dmp
memory/5800-296-0x0000000007540000-0x000000000754A000-memory.dmp
memory/5800-204-0x0000000004EA0000-0x0000000004EC2000-memory.dmp
memory/5800-277-0x000000006E640000-0x000000006E68C000-memory.dmp
memory/5800-264-0x0000000007880000-0x0000000007EFA000-memory.dmp
memory/5800-252-0x0000000007180000-0x00000000071F6000-memory.dmp
memory/5800-279-0x000000006FCD0000-0x0000000070024000-memory.dmp
memory/5800-232-0x00000000063D0000-0x0000000006414000-memory.dmp
memory/5800-291-0x000000007F260000-0x000000007F270000-memory.dmp
memory/5800-290-0x0000000007430000-0x000000000744E000-memory.dmp
memory/5800-292-0x0000000007450000-0x00000000074F3000-memory.dmp
memory/5800-271-0x0000000007230000-0x000000000724A000-memory.dmp
memory/5800-224-0x0000000005EA0000-0x0000000005EEC000-memory.dmp
memory/5800-223-0x0000000005E60000-0x0000000005E7E000-memory.dmp
memory/5800-302-0x0000000072350000-0x0000000072B00000-memory.dmp
memory/5800-197-0x0000000002880000-0x00000000028B6000-memory.dmp
memory/5800-220-0x0000000005A80000-0x0000000005DD4000-memory.dmp
memory/5800-199-0x0000000072350000-0x0000000072B00000-memory.dmp
memory/5800-201-0x0000000004FC0000-0x00000000055E8000-memory.dmp
memory/5800-202-0x00000000028D0000-0x00000000028E0000-memory.dmp
memory/5800-216-0x0000000005920000-0x0000000005986000-memory.dmp
memory/5800-206-0x0000000004F40000-0x0000000004FA6000-memory.dmp
memory/5800-200-0x00000000028D0000-0x00000000028E0000-memory.dmp