Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
19/10/2022, 11:17
General
- Target 047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde.exe
- Size 217KB
- Sample221019-nd3ynafch7
- SHA256 047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
-
extension
.tury
-
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
-
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
-
ransomnote
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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
Extracted
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vidar
-
55
-
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
Signatures
- Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
- Detected Djvu ransomware 11 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 14 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 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 8 IoCs
- Checks SCSI registry key(s) 3 TTPs 45 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 51 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 56 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\047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde.exe"C:\Users\Admin\AppData\Local\Temp\047591ca2ccc07bd76829f889993e0be9a945791de2d97211bd57a5b63ae1fde.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\C355.exeC:\Users\Admin\AppData\Local\Temp\C355.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\C355.exeC:\Users\Admin\AppData\Local\Temp\C355.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\cc5d8959-a73d-41d5-8af2-275391eb38a6" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\C355.exe"C:\Users\Admin\AppData\Local\Temp\C355.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\C355.exe"C:\Users\Admin\AppData\Local\Temp\C355.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\7d6a84e4-b035-4137-af37-41451cd6f71c\build2.exe"C:\Users\Admin\AppData\Local\7d6a84e4-b035-4137-af37-41451cd6f71c\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\7d6a84e4-b035-4137-af37-41451cd6f71c\build2.exe"C:\Users\Admin\AppData\Local\7d6a84e4-b035-4137-af37-41451cd6f71c\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\7d6a84e4-b035-4137-af37-41451cd6f71c\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\7d6a84e4-b035-4137-af37-41451cd6f71c\build3.exe"C:\Users\Admin\AppData\Local\7d6a84e4-b035-4137-af37-41451cd6f71c\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:\Users\Admin\AppData\Local\Temp\C5D6.exeC:\Users\Admin\AppData\Local\Temp\C5D6.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\C7CB.exeC:\Users\Admin\AppData\Local\Temp\C7CB.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\CB08.exeC:\Users\Admin\AppData\Local\Temp\CB08.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 3402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4908 -ip 49081⤵
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\CE94.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\CE94.dll2⤵
- Loads dropped DLL
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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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4836 -ip 48361⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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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\3EB4.exeC:\Users\Admin\AppData\Local\Temp\3EB4.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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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 3876 -s 5962⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 10162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 10162⤵
- 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 3876 -s 10402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 10202⤵
- 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 0x38c 0x3381⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3876 -ip 38761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3876 -ip 38761⤵
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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\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3876 -ip 38761⤵
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C:\Users\Admin\AppData\Roaming\wgevgrrC:\Users\Admin\AppData\Roaming\wgevgrr1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\igevgrrC:\Users\Admin\AppData\Roaming\igevgrr1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 3402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 3876 -ip 38761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3876 -ip 38761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2180 -ip 21801⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
3EB4.exe
3EB4.exe
C355.exe
C355.exe
C355.exe
C355.exe
C355.exe
C5D6.exe
C5D6.exe
C7CB.exe
C7CB.exe
CB08.exe
CB08.exe
CE94.dll
CE94.dll
Sepawuaopqtypsq.tmp
C355.exe
mstsca.exe
mstsca.exe
igevgrr
igevgrr
wgevgrr
wgevgrr
memory/224-185-0x0000000001FBD000-0x000000000204E000-memory.dmp
memory/752-155-0x0000000000400000-0x0000000000537000-memory.dmp
memory/752-164-0x0000000000400000-0x0000000000537000-memory.dmp
memory/752-158-0x0000000000400000-0x0000000000537000-memory.dmp
memory/752-153-0x0000000000400000-0x0000000000537000-memory.dmp
memory/752-177-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1216-135-0x0000000000400000-0x0000000000593000-memory.dmp
memory/1216-132-0x00000000008F2000-0x0000000000902000-memory.dmp
memory/1216-134-0x0000000000400000-0x0000000000593000-memory.dmp
memory/1216-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/1484-157-0x0000000001FE8000-0x0000000002079000-memory.dmp
memory/1484-159-0x00000000021D0000-0x00000000022EB000-memory.dmp
memory/1712-273-0x0000000000640000-0x0000000000FE4000-memory.dmp
memory/1712-274-0x0000000002B70000-0x0000000003633000-memory.dmp
memory/1712-278-0x0000000002B70000-0x0000000003633000-memory.dmp
memory/1712-271-0x0000000003700000-0x0000000003840000-memory.dmp
memory/1712-270-0x0000000003700000-0x0000000003840000-memory.dmp
memory/1712-269-0x0000000002B70000-0x0000000003633000-memory.dmp
memory/1984-168-0x0000000000B20000-0x0000000000B95000-memory.dmp
memory/1984-169-0x0000000000AB0000-0x0000000000B1B000-memory.dmp
memory/2180-277-0x0000000000400000-0x0000000000593000-memory.dmp
memory/2180-279-0x0000000000643000-0x0000000000654000-memory.dmp
memory/2252-167-0x0000000000950000-0x000000000095C000-memory.dmp
memory/3196-216-0x00000000021E0000-0x000000000222F000-memory.dmp
memory/3196-215-0x000000000068D000-0x00000000006B9000-memory.dmp
memory/3668-217-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3668-214-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3668-244-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3668-211-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3668-222-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3720-179-0x0000000003600000-0x00000000036FE000-memory.dmp
memory/3720-196-0x0000000003600000-0x00000000036FE000-memory.dmp
memory/3720-193-0x00000000037F0000-0x000000000389D000-memory.dmp
memory/3720-192-0x0000000003710000-0x00000000037D2000-memory.dmp
memory/3720-178-0x0000000003400000-0x00000000034FE000-memory.dmp
memory/3816-148-0x0000000000613000-0x0000000000624000-memory.dmp
memory/3816-149-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3816-150-0x0000000000400000-0x0000000000597000-memory.dmp
memory/3816-180-0x0000000000400000-0x0000000000597000-memory.dmp
memory/3876-261-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-282-0x0000000003210000-0x0000000003CD3000-memory.dmp
memory/3876-206-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3876-205-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3876-272-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3876-246-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3876-247-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3876-267-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-204-0x0000000002520000-0x00000000027E2000-memory.dmp
memory/3876-250-0x0000000003210000-0x0000000003CD3000-memory.dmp
memory/3876-252-0x0000000003210000-0x0000000003CD3000-memory.dmp
memory/3876-251-0x0000000003210000-0x0000000003CD3000-memory.dmp
memory/3876-253-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-254-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-255-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-203-0x0000000000AFB000-0x0000000000C19000-memory.dmp
memory/3876-258-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-266-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/3876-259-0x0000000003EA0000-0x0000000003FE0000-memory.dmp
memory/4240-191-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4240-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4240-184-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4240-198-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4836-171-0x0000000000670000-0x0000000000679000-memory.dmp
memory/4836-170-0x0000000000833000-0x0000000000844000-memory.dmp
memory/4836-172-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4836-197-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4908-151-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4908-163-0x0000000000643000-0x0000000000654000-memory.dmp
memory/5068-275-0x00000000006A3000-0x00000000006B4000-memory.dmp
memory/5068-276-0x0000000000400000-0x0000000000597000-memory.dmp
memory/5068-280-0x00000000006A3000-0x00000000006B4000-memory.dmp
memory/5068-281-0x0000000000400000-0x0000000000597000-memory.dmp