Analysis
- max time kernel
160s - max time network
171s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
20/10/2022, 00:06
General
- Target cca40c9b255d69098641e4357e3e60420e53f5c7baee462720fe1e40b6463b4b.exe
- Size 266KB
- Sample221020-ad4nasecaq
- SHA256 cca40c9b255d69098641e4357e3e60420e53f5c7baee462720fe1e40b6463b4b
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
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extension
.tury
-
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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danabot
-
embedded_hash
56951C922035D696BFCE443750496462
-
type
loader
Extracted
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vidar
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55.1
-
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 10 IoCs
- Checks computer location settings 2 TTPs 2 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 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 1 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 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 19 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\cca40c9b255d69098641e4357e3e60420e53f5c7baee462720fe1e40b6463b4b.exe"C:\Users\Admin\AppData\Local\Temp\cca40c9b255d69098641e4357e3e60420e53f5c7baee462720fe1e40b6463b4b.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\924D.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\924D.dll2⤵
- Loads dropped DLL
-
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C:\Users\Admin\AppData\Local\Temp\9655.exeC:\Users\Admin\AppData\Local\Temp\9655.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9655.exeC:\Users\Admin\AppData\Local\Temp\9655.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\142f2ac4-45b6-4dc4-a535-5bcf6547024c" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
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C:\Users\Admin\AppData\Local\Temp\9655.exe"C:\Users\Admin\AppData\Local\Temp\9655.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\9655.exe"C:\Users\Admin\AppData\Local\Temp\9655.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\0c285eec-468c-4662-9603-e4c9b4b380b7\build2.exe"C:\Users\Admin\AppData\Local\0c285eec-468c-4662-9603-e4c9b4b380b7\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\0c285eec-468c-4662-9603-e4c9b4b380b7\build2.exe"C:\Users\Admin\AppData\Local\0c285eec-468c-4662-9603-e4c9b4b380b7\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
-
-
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C:\Users\Admin\AppData\Local\0c285eec-468c-4662-9603-e4c9b4b380b7\build3.exe"C:\Users\Admin\AppData\Local\0c285eec-468c-4662-9603-e4c9b4b380b7\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\98F6.exeC:\Users\Admin\AppData\Local\Temp\98F6.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\9AEB.exeC:\Users\Admin\AppData\Local\Temp\9AEB.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 3402⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2392 -ip 23921⤵
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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:\Users\Admin\AppData\Local\Temp\2692.exeC:\Users\Admin\AppData\Local\Temp\2692.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 0x4b4 0x3501⤵
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
9655.exe
2692.exe
2692.exe
924D.dll
924D.dll
924D.dll
9655.exe
9655.exe
9655.exe
9655.exe
9655.exe
98F6.exe
98F6.exe
9AEB.exe
9AEB.exe
memory/316-155-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/316-154-0x0000000000693000-0x00000000006A3000-memory.dmp
memory/316-156-0x0000000000400000-0x0000000000596000-memory.dmp
memory/316-165-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1456-216-0x0000000000840000-0x0000000000884000-memory.dmp
memory/1456-215-0x0000000000755000-0x000000000077D000-memory.dmp
memory/1848-179-0x0000000000900000-0x000000000090C000-memory.dmp
memory/1848-178-0x0000000000910000-0x0000000000917000-memory.dmp
memory/2188-177-0x0000000000850000-0x00000000008BB000-memory.dmp
memory/2188-176-0x00000000008C0000-0x0000000000935000-memory.dmp
memory/2188-180-0x0000000000850000-0x00000000008BB000-memory.dmp
memory/2280-153-0x0000000002240000-0x000000000235B000-memory.dmp
memory/2280-152-0x00000000008E2000-0x0000000000974000-memory.dmp
memory/2392-158-0x0000000000400000-0x0000000000597000-memory.dmp
memory/2392-159-0x00000000007F3000-0x0000000000804000-memory.dmp
memory/3104-192-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3104-190-0x00000000008A7000-0x00000000009C5000-memory.dmp
memory/3104-205-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/3104-191-0x0000000002530000-0x00000000027F2000-memory.dmp
memory/3352-163-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3352-171-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3352-161-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3352-189-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3352-174-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3800-196-0x0000000000757000-0x00000000007E9000-memory.dmp
memory/3960-157-0x0000000002940000-0x0000000002A3E000-memory.dmp
memory/3960-145-0x0000000002300000-0x00000000024F8000-memory.dmp
memory/3960-172-0x0000000002B40000-0x0000000002C3E000-memory.dmp
memory/3960-168-0x0000000000A50000-0x0000000000AFD000-memory.dmp
memory/3960-167-0x0000000002220000-0x00000000022E2000-memory.dmp
memory/3960-164-0x0000000002B40000-0x0000000002C3E000-memory.dmp
memory/3960-166-0x0000000002940000-0x0000000002A3E000-memory.dmp
memory/4228-204-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4228-206-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4228-198-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4228-197-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4464-133-0x00000000006E0000-0x00000000006E9000-memory.dmp
memory/4464-136-0x0000000000400000-0x0000000000447000-memory.dmp
memory/4464-134-0x0000000000400000-0x0000000000447000-memory.dmp
memory/4464-135-0x000000000073E000-0x000000000074E000-memory.dmp
memory/4464-132-0x000000000073E000-0x000000000074E000-memory.dmp
memory/5052-211-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5052-217-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5052-214-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5052-213-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5052-225-0x0000000000400000-0x0000000000458000-memory.dmp