Analysis
- max time kernel
175s - max time network
188s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
19/10/2022, 23:31
General
- Target file.exe
- Size 229KB
- Sample221019-3hpddsdad7
- SHA256 075310cff3a6a0b37caa0e12167c938d13c0c8fa812c4faaa53ee42fd600770f
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
-
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
-
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 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 2 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.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 21 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:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\B5B3.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\B5B3.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\B6DD.exeC:\Users\Admin\AppData\Local\Temp\B6DD.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\B6DD.exeC:\Users\Admin\AppData\Local\Temp\B6DD.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\7ca04c46-7034-4e89-af69-201324585af2" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\B6DD.exe"C:\Users\Admin\AppData\Local\Temp\B6DD.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\B6DD.exe"C:\Users\Admin\AppData\Local\Temp\B6DD.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\d23a4948-7fff-497e-a02c-972ea8a976f2\build2.exe"C:\Users\Admin\AppData\Local\d23a4948-7fff-497e-a02c-972ea8a976f2\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\d23a4948-7fff-497e-a02c-972ea8a976f2\build2.exe"C:\Users\Admin\AppData\Local\d23a4948-7fff-497e-a02c-972ea8a976f2\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
-
-
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C:\Users\Admin\AppData\Local\d23a4948-7fff-497e-a02c-972ea8a976f2\build3.exe"C:\Users\Admin\AppData\Local\d23a4948-7fff-497e-a02c-972ea8a976f2\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:\Users\Admin\AppData\Local\Temp\BA69.exeC:\Users\Admin\AppData\Local\Temp\BA69.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\BC1F.exeC:\Users\Admin\AppData\Local\Temp\BC1F.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\BFE9.exeC:\Users\Admin\AppData\Local\Temp\BFE9.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3568 -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 408 -p 1120 -ip 11201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3568 -ip 35681⤵
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C:\Users\Admin\AppData\Local\Temp\2DB7.exeC:\Users\Admin\AppData\Local\Temp\2DB7.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 0x4f4 0x4f81⤵
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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
572BF21E454637C9F000BE1AF9B1E1A9
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
572BF21E454637C9F000BE1AF9B1E1A9
B6DD.exe
2DB7.exe
2DB7.exe
B5B3.dll
B5B3.dll
B6DD.exe
B6DD.exe
B6DD.exe
B6DD.exe
B6DD.exe
BA69.exe
BA69.exe
BC1F.exe
BC1F.exe
BFE9.exe
BFE9.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/204-162-0x0000000002E70000-0x0000000002F6E000-memory.dmp
memory/204-178-0x0000000003040000-0x00000000030ED000-memory.dmp
memory/204-181-0x0000000002E70000-0x0000000002F6E000-memory.dmp
memory/204-161-0x0000000002C70000-0x0000000002D6E000-memory.dmp
memory/204-177-0x0000000002F70000-0x0000000003032000-memory.dmp
memory/1120-167-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1120-171-0x00000000008F3000-0x0000000000904000-memory.dmp
memory/1172-135-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1172-134-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1172-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/1172-132-0x00000000008C3000-0x00000000008D4000-memory.dmp
memory/1184-153-0x00000000008CB000-0x000000000095D000-memory.dmp
memory/1184-154-0x0000000002230000-0x000000000234B000-memory.dmp
memory/1596-192-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1596-224-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1596-194-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1596-190-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1624-169-0x00000000003D0000-0x00000000003DC000-memory.dmp
memory/2248-218-0x00000000007CD000-0x00000000008EB000-memory.dmp
memory/2248-226-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2248-220-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/2248-219-0x00000000022D0000-0x0000000002592000-memory.dmp
memory/2616-164-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/2616-163-0x0000000000713000-0x0000000000723000-memory.dmp
memory/2616-176-0x0000000000400000-0x0000000000596000-memory.dmp
memory/2616-165-0x0000000000400000-0x0000000000596000-memory.dmp
memory/2740-211-0x00000000007F5000-0x000000000081D000-memory.dmp
memory/2740-212-0x0000000000710000-0x0000000000754000-memory.dmp
memory/3568-173-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3568-172-0x0000000000653000-0x0000000000664000-memory.dmp
memory/3568-174-0x0000000000400000-0x0000000000597000-memory.dmp
memory/3796-155-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3796-150-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3796-160-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3796-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3796-152-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5024-166-0x0000000000E80000-0x0000000000EEB000-memory.dmp
memory/5024-175-0x0000000000E80000-0x0000000000EEB000-memory.dmp
memory/5024-170-0x0000000000EF0000-0x0000000000F65000-memory.dmp
memory/5036-210-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5036-216-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5036-225-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5036-209-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5036-207-0x0000000000400000-0x0000000000458000-memory.dmp
memory/5096-191-0x0000000000929000-0x00000000009BB000-memory.dmp