Analysis
- max time kernel
156s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
19/10/2022, 19:01
General
- Target file.exe
- Size 229KB
- Sample221019-xn9cvsdae3
- SHA256 fd2c65220356ff528cf2f195507643bd73977fa09a0535d178b13ccabdb4e9e5
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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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
Extracted
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danabot
-
embedded_hash
56951C922035D696BFCE443750496462
-
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 4 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 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 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
- Kills process with taskkill 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 24 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\40B2.exeC:\Users\Admin\AppData\Local\Temp\40B2.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\424A.exeC:\Users\Admin\AppData\Local\Temp\424A.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\4577.exeC:\Users\Admin\AppData\Local\Temp\4577.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 3402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4276 -ip 42761⤵
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4895.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4895.dll2⤵
- Loads dropped DLL
-
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C:\Users\Admin\AppData\Local\Temp\4A8A.exeC:\Users\Admin\AppData\Local\Temp\4A8A.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4A8A.exeC:\Users\Admin\AppData\Local\Temp\4A8A.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c0940b71-e483-400c-a8f4-7db01cfe0424" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\4A8A.exe"C:\Users\Admin\AppData\Local\Temp\4A8A.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4A8A.exe"C:\Users\Admin\AppData\Local\Temp\4A8A.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build2.exe"C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build2.exe"C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" ðIx/c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build2.exe" & del C:\PrograData\*.dll & exit7⤵
-
C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
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C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build3.exe"C:\Users\Admin\AppData\Local\8e3da526-545c-44ee-8ea0-f1f485602544\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1540 -ip 15401⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
-
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\E96B.exeC:\Users\Admin\AppData\Local\Temp\E96B.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 0x2ec 0x40c1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
40B2.exe
40B2.exe
424A.exe
424A.exe
4577.exe
4577.exe
4895.dll
4895.dll
4A8A.exe
4A8A.exe
4A8A.exe
4A8A.exe
4A8A.exe
E96B.exe
E96B.exe
4A8A.exe
mstsca.exe
mstsca.exe
memory/400-188-0x00000000008D0000-0x0000000000962000-memory.dmp
memory/1048-173-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-183-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-176-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-170-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1048-168-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1092-180-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1092-150-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1092-148-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/1092-147-0x0000000000833000-0x0000000000843000-memory.dmp
memory/1248-190-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1248-189-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1248-187-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1248-200-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1540-160-0x0000000000633000-0x0000000000644000-memory.dmp
memory/1540-162-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1540-161-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/2068-172-0x00000000022C0000-0x00000000023DB000-memory.dmp
memory/2068-171-0x00000000008E8000-0x000000000097A000-memory.dmp
memory/2224-216-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2224-215-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2224-249-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2224-209-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2224-214-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2224-226-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2428-244-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2428-225-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2428-224-0x00000000024E0000-0x00000000027A2000-memory.dmp
memory/2428-223-0x0000000000891000-0x00000000009AF000-memory.dmp
memory/2768-134-0x0000000000400000-0x0000000000597000-memory.dmp
memory/2768-137-0x0000000000400000-0x0000000000597000-memory.dmp
memory/2768-135-0x00000000006D3000-0x00000000006E4000-memory.dmp
memory/2768-136-0x00000000006B0000-0x00000000006B9000-memory.dmp
memory/2768-132-0x00000000006D3000-0x00000000006E4000-memory.dmp
memory/2768-133-0x00000000006B0000-0x00000000006B9000-memory.dmp
memory/3256-213-0x0000000002110000-0x000000000215F000-memory.dmp
memory/3256-211-0x000000000080D000-0x0000000000839000-memory.dmp
memory/3884-174-0x0000000003270000-0x000000000336E000-memory.dmp
memory/3884-175-0x0000000003470000-0x000000000356E000-memory.dmp
memory/3884-199-0x0000000003470000-0x000000000356E000-memory.dmp
memory/3884-196-0x0000000003640000-0x00000000036ED000-memory.dmp
memory/3884-195-0x0000000003570000-0x0000000003632000-memory.dmp
memory/3904-166-0x0000000000D50000-0x0000000000D5C000-memory.dmp
memory/4276-151-0x0000000000823000-0x0000000000834000-memory.dmp
memory/4276-152-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4756-163-0x0000000000670000-0x00000000006E5000-memory.dmp
memory/4756-164-0x0000000000600000-0x000000000066B000-memory.dmp
memory/4756-177-0x0000000000600000-0x000000000066B000-memory.dmp