Analysis
- max time kernel
153s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
22/10/2022, 04:21
General
- Target 8ae5a35a6e434514f421e720aecab786.exe
- Size 227KB
- Sample221022-eynvssafhm
- SHA256 894e6ae96bb01eba9194db24526e8257c548b8b1cc9e6daccf350212a760acb6
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
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55.1
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517
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https://t.me/tg_privatetalk
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https://nerdculture.de/@yixehi33
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profile_id
517
Extracted
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danabot
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embedded_hash
4914AD1B39A63A7A98AA0D63EE31F9A9
-
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.
- 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 4 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 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 2 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 2 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
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 23 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\8ae5a35a6e434514f421e720aecab786.exe"C:\Users\Admin\AppData\Local\Temp\8ae5a35a6e434514f421e720aecab786.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\440E.exeC:\Users\Admin\AppData\Local\Temp\440E.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\440E.exeC:\Users\Admin\AppData\Local\Temp\440E.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\d3e40813-0d87-4147-a71a-cfed3abb6bab" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\440E.exe"C:\Users\Admin\AppData\Local\Temp\440E.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\440E.exe"C:\Users\Admin\AppData\Local\Temp\440E.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\build2.exe"C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\build2.exe"C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\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 timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
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C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\build3.exe"C:\Users\Admin\AppData\Local\2d3e2216-3196-4dc3-91e1-4e77a4cf112f\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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-
-
-
-
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\46BE.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\46BE.dll2⤵
- Loads dropped DLL
-
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C:\Users\Admin\AppData\Local\Temp\4817.exeC:\Users\Admin\AppData\Local\Temp\4817.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\4922.exeC:\Users\Admin\AppData\Local\Temp\4922.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 3442⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\4B65.exeC:\Users\Admin\AppData\Local\Temp\4B65.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4312 -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 464 -p 560 -ip 5601⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4312 -ip 43121⤵
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C:\Users\Admin\AppData\Local\Temp\F7D2.exeC:\Users\Admin\AppData\Local\Temp\F7D2.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\agentactivationruntimestarter.exeC:\Windows\system32\agentactivationruntimestarter.exe2⤵
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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 0x49c 0x3241⤵
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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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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
440E.exe
440E.exe
440E.exe
440E.exe
440E.exe
46BE.dll
46BE.dll
4817.exe
4817.exe
4922.exe
4922.exe
4B65.exe
4B65.exe
F7D2.exe
F7D2.exe
440E.exe
mstsca.exe
mstsca.exe
memory/560-172-0x0000000000400000-0x0000000000438000-memory.dmp
memory/560-174-0x00000000005F3000-0x0000000000609000-memory.dmp
memory/916-160-0x000000000201A000-0x00000000020AB000-memory.dmp
memory/916-161-0x00000000021E0000-0x00000000022FB000-memory.dmp
memory/1048-194-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-193-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-217-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-191-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1584-192-0x0000000002177000-0x0000000002208000-memory.dmp
memory/2508-187-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2508-166-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2508-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2508-163-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2508-168-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2560-133-0x0000000002D80000-0x0000000002D89000-memory.dmp
memory/2560-134-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/2560-132-0x0000000002F22000-0x0000000002F37000-memory.dmp
memory/2560-135-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/2908-170-0x0000000002C70000-0x0000000002C79000-memory.dmp
memory/2908-184-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/2908-171-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/2908-169-0x0000000002CE3000-0x0000000002CF9000-memory.dmp
memory/3268-223-0x000000000316B000-0x0000000003292000-memory.dmp
memory/3268-224-0x0000000004C40000-0x0000000004F1D000-memory.dmp
memory/3268-225-0x0000000000400000-0x0000000002D39000-memory.dmp
memory/3268-226-0x0000000000400000-0x0000000002D39000-memory.dmp
memory/3280-231-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3280-206-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3280-203-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3280-218-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3280-205-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3280-209-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3508-157-0x0000000000C70000-0x0000000000CE5000-memory.dmp
memory/3508-167-0x0000000000C00000-0x0000000000C6B000-memory.dmp
memory/3508-156-0x0000000000C00000-0x0000000000C6B000-memory.dmp
memory/3860-159-0x0000000003760000-0x000000000388D000-memory.dmp
memory/3860-158-0x0000000003500000-0x000000000362D000-memory.dmp
memory/3860-179-0x0000000003960000-0x0000000003A19000-memory.dmp
memory/3860-178-0x0000000003960000-0x0000000003A19000-memory.dmp
memory/3860-173-0x0000000003890000-0x000000000395F000-memory.dmp
memory/3860-183-0x0000000003760000-0x000000000388D000-memory.dmp
memory/3888-207-0x00000000005D2000-0x00000000005FA000-memory.dmp
memory/3888-208-0x0000000002200000-0x0000000002244000-memory.dmp
memory/4292-155-0x0000000000C00000-0x0000000000C0C000-memory.dmp
memory/4292-154-0x0000000000C10000-0x0000000000C17000-memory.dmp
memory/4312-181-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/4312-176-0x0000000002C73000-0x0000000002C89000-memory.dmp
memory/4312-177-0x0000000002C30000-0x0000000002C39000-memory.dmp