Analysis
- max time kernel
151s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
21/10/2022, 01:02
General
- Target file.exe
- Size 193KB
- Sample221021-bd377seaf5
- SHA256 3cbcc012cbbef46174c926b269a38e157bcbb02da83ef2fb4478d4d6e821c673
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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danabot
-
embedded_hash
56951C922035D696BFCE443750496462
-
type
loader
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
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 11 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 17 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\32C.exeC:\Users\Admin\AppData\Local\Temp\32C.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\32C.exeC:\Users\Admin\AppData\Local\Temp\32C.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\561d52c8-7dca-4199-83c9-8430a1fdbba2" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\32C.exe"C:\Users\Admin\AppData\Local\Temp\32C.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\32C.exe"C:\Users\Admin\AppData\Local\Temp\32C.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\9658fd56-3ac1-4646-9c79-5fd5ef5a717d\build2.exe"C:\Users\Admin\AppData\Local\9658fd56-3ac1-4646-9c79-5fd5ef5a717d\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\9658fd56-3ac1-4646-9c79-5fd5ef5a717d\build2.exe"C:\Users\Admin\AppData\Local\9658fd56-3ac1-4646-9c79-5fd5ef5a717d\build2.exe"6⤵
- Executes dropped EXE
-
-
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C:\Users\Admin\AppData\Local\9658fd56-3ac1-4646-9c79-5fd5ef5a717d\build3.exe"C:\Users\Admin\AppData\Local\9658fd56-3ac1-4646-9c79-5fd5ef5a717d\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:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\512.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\512.dll2⤵
- Loads dropped DLL
-
-
C:\Users\Admin\AppData\Local\Temp\7B3.exeC:\Users\Admin\AppData\Local\Temp\7B3.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\959.exeC:\Users\Admin\AppData\Local\Temp\959.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\F17.exeC:\Users\Admin\AppData\Local\Temp\F17.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4780 -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 468 -p 4780 -ip 47801⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4992 -ip 49921⤵
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C:\Users\Admin\AppData\Local\Temp\D7B8.exeC:\Users\Admin\AppData\Local\Temp\D7B8.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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 0x3d8 0x3041⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
32C.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
32C.exe
32C.exe
32C.exe
32C.exe
32C.exe
512.dll
512.dll
7B3.exe
7B3.exe
959.exe
959.exe
D7B8.exe
D7B8.exe
F17.exe
F17.exe
memory/444-218-0x0000000000920000-0x0000000000964000-memory.dmp
memory/444-217-0x00000000005D5000-0x00000000005FD000-memory.dmp
memory/1020-155-0x0000000002130000-0x00000000021C2000-memory.dmp
memory/1020-156-0x0000000002230000-0x000000000234B000-memory.dmp
memory/1104-167-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1104-165-0x0000000000499000-0x00000000004AA000-memory.dmp
memory/1104-178-0x0000000000400000-0x0000000000435000-memory.dmp
memory/1104-166-0x0000000001F30000-0x0000000001F39000-memory.dmp
memory/1232-203-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1232-200-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1232-208-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1232-201-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2460-189-0x0000000002510000-0x00000000027D2000-memory.dmp
memory/2460-190-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2460-188-0x000000000226B000-0x0000000002389000-memory.dmp
memory/2460-192-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3296-213-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3296-215-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3296-216-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3296-219-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3636-150-0x0000000002DB0000-0x0000000002EDC000-memory.dmp
memory/3636-168-0x0000000002DB0000-0x0000000002EDC000-memory.dmp
memory/3636-149-0x0000000002B50000-0x0000000002C7C000-memory.dmp
memory/3636-160-0x0000000002FD0000-0x000000000307E000-memory.dmp
memory/3636-158-0x0000000002EF0000-0x0000000002FB2000-memory.dmp
memory/3736-161-0x00000000004C0000-0x00000000004CC000-memory.dmp
memory/4192-133-0x00000000005D0000-0x00000000005D9000-memory.dmp
memory/4192-135-0x0000000000400000-0x0000000000435000-memory.dmp
memory/4192-132-0x00000000005F9000-0x000000000060A000-memory.dmp
memory/4192-134-0x0000000000400000-0x0000000000435000-memory.dmp
memory/4584-181-0x0000000000420000-0x000000000048B000-memory.dmp
memory/4584-157-0x0000000000420000-0x000000000048B000-memory.dmp
memory/4584-182-0x0000000000490000-0x0000000000505000-memory.dmp
memory/4584-162-0x0000000000490000-0x0000000000505000-memory.dmp
memory/4780-176-0x0000000000580000-0x0000000000589000-memory.dmp
memory/4780-175-0x0000000000749000-0x000000000075A000-memory.dmp
memory/4780-177-0x0000000000400000-0x0000000000436000-memory.dmp
memory/4944-179-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4944-171-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4944-173-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4944-180-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4944-195-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4992-174-0x00000000004A9000-0x00000000004BA000-memory.dmp
memory/4992-169-0x0000000000400000-0x0000000000435000-memory.dmp
memory/5056-199-0x000000000201D000-0x00000000020AF000-memory.dmp