Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
11/10/2022, 12:01
General
- Target file.exe
- Size 212KB
- Sample221011-n6wp2sdbd8
- SHA256 a1b07ed052e3c86bfb1342bd8f441bea258d8a9dc071e6f0055344ff2e794411
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
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extension
.towz
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offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
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vidar
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55
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517
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https://t.me/truewallets
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https://mas.to/@zara99
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http://116.203.10.3:80
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profile_id
517
Extracted
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danabot
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embedded_hash
56951C922035D696BFCE443750496462
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type
loader
Extracted
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redline
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buildnewdomain
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hrabrlonian.xyz:81
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auth_value
90794203993789d187f29ff50d00de2e
Signatures
- Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 2 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 14 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 10 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 3 IoCs
- Checks SCSI registry key(s) 3 TTPs 42 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 27 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Enumerates processes with tasklist 1 TTPs 2 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\2A5C.exeC:\Users\Admin\AppData\Local\Temp\2A5C.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\Wbem\wmic.exewmic os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.execmd /C "wmic path win32_VideoController get name"2⤵
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic path win32_VideoController get name3⤵
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C:\Windows\SysWOW64\cmd.execmd /C "wmic cpu get name"2⤵
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic cpu get name3⤵
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C:\Users\Admin\AppData\Local\Temp\2C70.exeC:\Users\Admin\AppData\Local\Temp\2C70.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ftp.exeftp /?2⤵
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C:\Windows\SysWOW64\cmd.execmd /c cmd < Preferences.vsd & ping -n 5 localhost2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd3⤵
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C:\Windows\SysWOW64\tasklist.exetasklist /FI "imagename eq AvastUI.exe"4⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\find.exefind /I /N "avastui.exe"4⤵
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C:\Windows\SysWOW64\tasklist.exetasklist /FI "imagename eq AVGUI.exe"4⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\find.exefind /I /N "avgui.exe"4⤵
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C:\Windows\SysWOW64\findstr.exefindstr /V /R "^zsXAL$" Simulation.vsd4⤵
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bags.exe.pifBags.exe.pif f4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe5⤵
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C:\Windows\SysWOW64\PING.EXEping -n 5 localhost3⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\2EC3.exeC:\Users\Admin\AppData\Local\Temp\2EC3.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2EC3.exeC:\Users\Admin\AppData\Local\Temp\2EC3.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\6e85abf2-1b73-435c-aa4c-10b38ea7c0c9" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\2EC3.exe"C:\Users\Admin\AppData\Local\Temp\2EC3.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2EC3.exe"C:\Users\Admin\AppData\Local\Temp\2EC3.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\f5990ea5-114e-4429-8765-d92840ef400e\build2.exe"C:\Users\Admin\AppData\Local\f5990ea5-114e-4429-8765-d92840ef400e\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\f5990ea5-114e-4429-8765-d92840ef400e\build2.exe"C:\Users\Admin\AppData\Local\f5990ea5-114e-4429-8765-d92840ef400e\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
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C:\Users\Admin\AppData\Local\f5990ea5-114e-4429-8765-d92840ef400e\build3.exe"C:\Users\Admin\AppData\Local\f5990ea5-114e-4429-8765-d92840ef400e\build3.exe"5⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\325D.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\325D.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\4153.exeC:\Users\Admin\AppData\Local\Temp\4153.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\4309.exeC:\Users\Admin\AppData\Local\Temp\4309.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 3402⤵
- Program crash
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4444 -ip 44441⤵
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C:\Users\Admin\AppData\Local\Temp\DEBD.exeC:\Users\Admin\AppData\Local\Temp\DEBD.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
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C:\Windows\SysWOW64\agentactivationruntimestarter.exeC:\Windows\system32\agentactivationruntimestarter.exe2⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 5922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 9322⤵
- Program crash
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k AarSvcGroup -p -s AarSvc1⤵
- Checks SCSI registry key(s)
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x2f8 0x4301⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4296 -ip 42961⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4296 -ip 42961⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
2EC3.exe
2A5C.exe
2A5C.exe
2C70.exe
2EC3.exe
2EC3.exe
2EC3.exe
2EC3.exe
2EC3.exe
325D.dll
325D.dll
325D.dll
4153.exe
4153.exe
4309.exe
4309.exe
DEBD.exe
DEBD.exe
Bags.exe.pif
Bags.exe.pif
Euros.vsd
Preferences.vsd
Simulation.vsd
kprGKGWkWrUJt.dll
kprGKGWkWrUJt.dll
kprGKGWkWrUJt.dll
kprGKGWkWrUJt.dll
kprGKGWkWrUJt.dll
kprGKGWkWrUJt.dll
Sepawuaopqtypsq.tmp
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/368-211-0x000000000084D000-0x0000000000879000-memory.dmp
memory/368-213-0x0000000002110000-0x000000000215F000-memory.dmp
memory/732-155-0x0000000002289000-0x000000000231B000-memory.dmp
memory/732-156-0x0000000002320000-0x000000000243B000-memory.dmp
memory/816-172-0x0000000000DE0000-0x0000000000DEC000-memory.dmp
memory/1280-175-0x0000000000400000-0x0000000000592000-memory.dmp
memory/1280-173-0x000000000080D000-0x000000000081E000-memory.dmp
memory/1280-185-0x0000000000400000-0x0000000000592000-memory.dmp
memory/1280-174-0x00000000005D0000-0x00000000005D9000-memory.dmp
memory/1616-279-0x0000000005940000-0x0000000005F58000-memory.dmp
memory/1616-275-0x0000000000E00000-0x0000000000E28000-memory.dmp
memory/1616-280-0x00000000054C0000-0x00000000055CA000-memory.dmp
memory/1616-281-0x00000000053F0000-0x0000000005402000-memory.dmp
memory/1616-282-0x00000000055D0000-0x000000000560C000-memory.dmp
memory/1960-251-0x00000000032E0000-0x00000000037FF000-memory.dmp
memory/1960-252-0x0000000000400000-0x00000000009A1000-memory.dmp
memory/1960-258-0x0000000000400000-0x00000000009A1000-memory.dmp
memory/2804-207-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2804-217-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2804-212-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2804-250-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2804-229-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3104-291-0x00000000007C0000-0x00000000007C4000-memory.dmp
memory/3104-295-0x0000000000A00000-0x0000000000A04000-memory.dmp
memory/3104-290-0x00000000007B0000-0x00000000007B4000-memory.dmp
memory/3104-293-0x00000000007E0000-0x00000000007E4000-memory.dmp
memory/3104-294-0x00000000007F0000-0x00000000007F4000-memory.dmp
memory/3104-286-0x0000000000770000-0x0000000000774000-memory.dmp
memory/3104-292-0x00000000007D0000-0x00000000007D4000-memory.dmp
memory/3104-296-0x0000000000A10000-0x0000000000A14000-memory.dmp
memory/3104-287-0x0000000000780000-0x0000000000784000-memory.dmp
memory/3104-288-0x0000000000790000-0x0000000000794000-memory.dmp
memory/3104-298-0x0000000000A20000-0x0000000000A24000-memory.dmp
memory/3104-289-0x00000000007A0000-0x00000000007A4000-memory.dmp
memory/3104-297-0x0000000000A20000-0x0000000000A24000-memory.dmp
memory/3852-133-0x00000000006E0000-0x00000000006E9000-memory.dmp
memory/3852-134-0x0000000000400000-0x0000000000593000-memory.dmp
memory/3852-135-0x0000000000400000-0x0000000000593000-memory.dmp
memory/3852-132-0x00000000008ED000-0x00000000008FD000-memory.dmp
memory/4296-264-0x00000000024F0000-0x00000000027B2000-memory.dmp
memory/4296-263-0x00000000023C2000-0x00000000024E0000-memory.dmp
memory/4296-265-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4296-266-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4296-301-0x00000000031A0000-0x0000000003C63000-memory.dmp
memory/4296-300-0x00000000031A0000-0x0000000003C63000-memory.dmp
memory/4296-283-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4296-284-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4444-177-0x00000000006DD000-0x00000000006EE000-memory.dmp
memory/4444-178-0x0000000000400000-0x0000000000593000-memory.dmp
memory/4512-202-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4512-195-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4512-197-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4512-249-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4548-196-0x000000000212F000-0x00000000021C1000-memory.dmp
memory/4680-190-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-152-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-154-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-157-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-158-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4784-169-0x0000000000AD0000-0x0000000000B45000-memory.dmp
memory/4784-171-0x0000000000A60000-0x0000000000ACB000-memory.dmp
memory/4784-176-0x0000000000A60000-0x0000000000ACB000-memory.dmp
memory/5048-160-0x0000000002A70000-0x0000000002BAE000-memory.dmp
memory/5048-159-0x00000000027F0000-0x0000000002930000-memory.dmp
memory/5048-179-0x0000000002BB0000-0x0000000002C71000-memory.dmp
memory/5048-183-0x0000000002A70000-0x0000000002BAE000-memory.dmp
memory/5048-150-0x00000000024F0000-0x00000000026A4000-memory.dmp
memory/5048-180-0x0000000002C80000-0x0000000002D2D000-memory.dmp