Analysis
- max time kernel
151s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
19/10/2022, 08:31
General
- Target file.exe
- Size 229KB
- Sample221019-kep7eafba5
- SHA256 418e34b22f49ad911cf6ba887f85b3b5b6f0782a9d8ca9b9c4dea74dfbe0ec50
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
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extension
.tury
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offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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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
-
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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192.236.233.188:443
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192.119.70.159:443
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23.106.124.171:443
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213.227.155.103:443
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embedded_hash
56951C922035D696BFCE443750496462
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type
loader
Signatures
- Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 12 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 3 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 1 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 4 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 6 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 45 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.
- Delays execution with timeout.exe 1 IoCs
- Kills process with taskkill 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 19 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 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:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\EE2D.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\EE2D.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\EF67.exeC:\Users\Admin\AppData\Local\Temp\EF67.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\EF67.exeC:\Users\Admin\AppData\Local\Temp\EF67.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\594605fa-cda2-4d41-b0ac-d8d1d3f9c3e2" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\EF67.exe"C:\Users\Admin\AppData\Local\Temp\EF67.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\EF67.exe"C:\Users\Admin\AppData\Local\Temp\EF67.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build2.exe"C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build2.exe"C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" C/c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build2.exe" & del C:\PrograData\*.dll & exit7⤵
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C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
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-
-
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C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build3.exe"C:\Users\Admin\AppData\Local\68c8d17d-1c54-486f-a6a3-9fb92b13f657\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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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-
-
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-
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C:\Users\Admin\AppData\Local\Temp\F1F8.exeC:\Users\Admin\AppData\Local\Temp\F1F8.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\F3BE.exeC:\Users\Admin\AppData\Local\Temp\F3BE.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\F769.exeC:\Users\Admin\AppData\Local\Temp\F769.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1332 -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 460 -p 1576 -ip 15761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1332 -ip 13321⤵
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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:\Users\Admin\AppData\Local\Temp\6670.exeC:\Users\Admin\AppData\Local\Temp\6670.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- 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 1284 -s 6282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 9802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 10722⤵
- Program crash
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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
- Checks processor information in registry
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 10802⤵
- 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)
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x414 0x4c81⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1284 -ip 12841⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1284 -ip 12841⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1284 -ip 12841⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1284 -ip 12841⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
EF67.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
6670.exe
6670.exe
EE2D.dll
EE2D.dll
EF67.exe
EF67.exe
EF67.exe
EF67.exe
EF67.exe
F1F8.exe
F1F8.exe
F3BE.exe
F3BE.exe
F769.exe
F769.exe
Sepawuaopqtypsq.tmp
mstsca.exe
memory/744-166-0x0000000002170000-0x000000000228B000-memory.dmp
memory/744-164-0x0000000001FB9000-0x000000000204A000-memory.dmp
memory/1284-245-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1284-260-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-244-0x0000000002560000-0x0000000002822000-memory.dmp
memory/1284-243-0x0000000000A0E000-0x0000000000B2C000-memory.dmp
memory/1284-261-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-259-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-247-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1284-270-0x0000000003220000-0x0000000003CE3000-memory.dmp
memory/1284-246-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1284-256-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-258-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-248-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1284-251-0x0000000003220000-0x0000000003CE3000-memory.dmp
memory/1284-252-0x0000000003220000-0x0000000003CE3000-memory.dmp
memory/1284-257-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-255-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-253-0x0000000003220000-0x0000000003CE3000-memory.dmp
memory/1284-254-0x0000000003EB0000-0x0000000003FF0000-memory.dmp
memory/1284-266-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1332-172-0x0000000000843000-0x0000000000853000-memory.dmp
memory/1332-174-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1332-173-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/1416-163-0x00000000003B0000-0x00000000003BC000-memory.dmp
memory/1576-161-0x00000000008B3000-0x00000000008C4000-memory.dmp
memory/1576-162-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1668-197-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1668-192-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1668-233-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1668-190-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2480-156-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/2480-155-0x0000000000893000-0x00000000008A4000-memory.dmp
memory/2480-186-0x0000000000400000-0x0000000000597000-memory.dmp
memory/2480-157-0x0000000000400000-0x0000000000597000-memory.dmp
memory/2828-167-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2828-169-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2828-170-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2828-175-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2828-181-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3024-134-0x0000000000400000-0x0000000000597000-memory.dmp
memory/3024-135-0x0000000000400000-0x0000000000597000-memory.dmp
memory/3024-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3024-132-0x00000000006A3000-0x00000000006B4000-memory.dmp
memory/3064-264-0x0000000003C10000-0x0000000003D50000-memory.dmp
memory/3064-269-0x0000000002F70000-0x0000000003A33000-memory.dmp
memory/3064-268-0x0000000002F70000-0x0000000003A33000-memory.dmp
memory/3064-267-0x0000000000C00000-0x00000000015A4000-memory.dmp
memory/3064-263-0x0000000002F70000-0x0000000003A33000-memory.dmp
memory/3064-265-0x0000000003C10000-0x0000000003D50000-memory.dmp
memory/3192-211-0x00000000021B0000-0x00000000021FF000-memory.dmp
memory/3192-210-0x00000000005DD000-0x0000000000609000-memory.dmp
memory/3264-178-0x0000000003580000-0x0000000003642000-memory.dmp
memory/3264-182-0x0000000003650000-0x00000000036FD000-memory.dmp
memory/3264-149-0x0000000003220000-0x0000000003334000-memory.dmp
memory/3264-150-0x0000000003460000-0x0000000003574000-memory.dmp
memory/3264-185-0x0000000003460000-0x0000000003574000-memory.dmp
memory/3796-171-0x0000000001090000-0x00000000010FB000-memory.dmp
memory/3796-158-0x0000000001100000-0x0000000001175000-memory.dmp
memory/3796-159-0x0000000001090000-0x00000000010FB000-memory.dmp
memory/4044-191-0x0000000001F8D000-0x000000000201E000-memory.dmp
memory/5004-236-0x0000000000400000-0x0000000000463000-memory.dmp
memory/5004-206-0x0000000000400000-0x0000000000463000-memory.dmp
memory/5004-209-0x0000000000400000-0x0000000000463000-memory.dmp
memory/5004-212-0x0000000000400000-0x0000000000463000-memory.dmp
memory/5004-213-0x0000000061E00000-0x0000000061EF3000-memory.dmp