Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
22/10/2022, 04:21
General
- Target e15b2ebd158ad84daf45b0853a1bfd3e.exe
- Size 228KB
- Sample221022-eyn6kaafhn
- SHA256 a456d6716e60ae16123bd71757b572363050397586b8faf492648a886ab158e6
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
-
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
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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.
- 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 5 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\e15b2ebd158ad84daf45b0853a1bfd3e.exe"C:\Users\Admin\AppData\Local\Temp\e15b2ebd158ad84daf45b0853a1bfd3e.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\B3DF.exeC:\Users\Admin\AppData\Local\Temp\B3DF.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\B3DF.exeC:\Users\Admin\AppData\Local\Temp\B3DF.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\7e4e074c-ef05-4730-8c29-c08517ce42ec" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\B3DF.exe"C:\Users\Admin\AppData\Local\Temp\B3DF.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\B3DF.exe"C:\Users\Admin\AppData\Local\Temp\B3DF.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\684b2a26-8eef-4148-b21b-5f365b42c92d\build2.exe"C:\Users\Admin\AppData\Local\684b2a26-8eef-4148-b21b-5f365b42c92d\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\684b2a26-8eef-4148-b21b-5f365b42c92d\build2.exe"C:\Users\Admin\AppData\Local\684b2a26-8eef-4148-b21b-5f365b42c92d\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\684b2a26-8eef-4148-b21b-5f365b42c92d\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
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-
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-
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C:\Users\Admin\AppData\Local\684b2a26-8eef-4148-b21b-5f365b42c92d\build3.exe"C:\Users\Admin\AppData\Local\684b2a26-8eef-4148-b21b-5f365b42c92d\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\B586.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\B586.dll2⤵
- Loads dropped DLL
-
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C:\Users\Admin\AppData\Local\Temp\B6EE.exeC:\Users\Admin\AppData\Local\Temp\B6EE.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\B8E3.exeC:\Users\Admin\AppData\Local\Temp\B8E3.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 3442⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\BBD2.exeC:\Users\Admin\AppData\Local\Temp\BBD2.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2284 -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 456 -p 2276 -ip 22761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2284 -ip 22841⤵
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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\47A8.exeC:\Users\Admin\AppData\Local\Temp\47A8.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 0x2fc 0x3c41⤵
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
B3DF.exe
47A8.exe
47A8.exe
B3DF.exe
B3DF.exe
B3DF.exe
B3DF.exe
B3DF.exe
B586.dll
B586.dll
B586.dll
B6EE.exe
B6EE.exe
B8E3.exe
B8E3.exe
BBD2.exe
BBD2.exe
mstsca.exe
mstsca.exe
memory/8-193-0x00000000006D8000-0x0000000000769000-memory.dmp
memory/540-170-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/540-172-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/540-169-0x0000000002DC3000-0x0000000002DD9000-memory.dmp
memory/540-185-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/952-188-0x0000000000400000-0x0000000000537000-memory.dmp
memory/952-163-0x0000000000400000-0x0000000000537000-memory.dmp
memory/952-168-0x0000000000400000-0x0000000000537000-memory.dmp
memory/952-182-0x0000000000400000-0x0000000000537000-memory.dmp
memory/952-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1512-156-0x0000000000930000-0x00000000009A5000-memory.dmp
memory/1512-157-0x00000000008C0000-0x000000000092B000-memory.dmp
memory/1512-161-0x00000000008C0000-0x000000000092B000-memory.dmp
memory/1700-222-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1700-192-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1700-194-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1700-200-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1820-160-0x0000000002B20000-0x0000000002C4D000-memory.dmp
memory/1820-181-0x0000000002B20000-0x0000000002C4D000-memory.dmp
memory/1820-159-0x00000000028C0000-0x00000000029ED000-memory.dmp
memory/1820-178-0x0000000002D40000-0x0000000002DF9000-memory.dmp
memory/1820-177-0x0000000002D40000-0x0000000002DF9000-memory.dmp
memory/1820-144-0x0000000002120000-0x0000000002321000-memory.dmp
memory/1820-171-0x0000000002C60000-0x0000000002D2F000-memory.dmp
memory/2276-176-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2276-175-0x0000000000583000-0x0000000000599000-memory.dmp
memory/2284-183-0x0000000002CB3000-0x0000000002CC9000-memory.dmp
memory/2284-174-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/2284-173-0x0000000002C70000-0x0000000002C79000-memory.dmp
memory/3564-158-0x00000000005A0000-0x00000000005AC000-memory.dmp
memory/3668-210-0x00000000021E0000-0x0000000002224000-memory.dmp
memory/3668-208-0x0000000000725000-0x000000000074D000-memory.dmp
memory/3932-228-0x0000000003083000-0x00000000031AA000-memory.dmp
memory/3932-231-0x0000000000400000-0x0000000002D39000-memory.dmp
memory/3932-230-0x0000000000400000-0x0000000002D39000-memory.dmp
memory/3932-229-0x0000000004B50000-0x0000000004E2D000-memory.dmp
memory/4288-135-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/4288-132-0x0000000002EF2000-0x0000000002F07000-memory.dmp
memory/4288-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4288-134-0x0000000000400000-0x0000000002C27000-memory.dmp
memory/4296-166-0x000000000051C000-0x00000000005AD000-memory.dmp
memory/4296-167-0x0000000002190000-0x00000000022AB000-memory.dmp
memory/4884-226-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4884-207-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4884-211-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4884-205-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4884-233-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4884-209-0x0000000000400000-0x0000000000458000-memory.dmp