Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
20/10/2022, 03:34
General
- Target file.exe
- Size 229KB
- Sample221020-d4tskacedn
- SHA256 1557f5c2d62adbc2d514e411c39b9e9bcae12f6000b6d8990b5a974fd8d8e890
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
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192.236.233.188:443
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192.119.70.159:443
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23.106.124.171:443
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213.227.155.103:443
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embedded_hash
56951C922035D696BFCE443750496462
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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 9 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.
- Blocklisted process makes network request 1 IoCs
- 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 7 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 47 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 31 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\45E2.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\45E2.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\46ED.exeC:\Users\Admin\AppData\Local\Temp\46ED.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\46ED.exeC:\Users\Admin\AppData\Local\Temp\46ED.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\c12dea46-803e-46e1-81dc-9284c19058b1" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\46ED.exe"C:\Users\Admin\AppData\Local\Temp\46ED.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\46ED.exe"C:\Users\Admin\AppData\Local\Temp\46ED.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\ce7179dd-92c6-4200-ae86-7a79b44548aa\build2.exe"C:\Users\Admin\AppData\Local\ce7179dd-92c6-4200-ae86-7a79b44548aa\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\ce7179dd-92c6-4200-ae86-7a79b44548aa\build2.exe"C:\Users\Admin\AppData\Local\ce7179dd-92c6-4200-ae86-7a79b44548aa\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\ce7179dd-92c6-4200-ae86-7a79b44548aa\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\ce7179dd-92c6-4200-ae86-7a79b44548aa\build3.exe"C:\Users\Admin\AppData\Local\ce7179dd-92c6-4200-ae86-7a79b44548aa\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\4A1B.exeC:\Users\Admin\AppData\Local\Temp\4A1B.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\4BD1.exeC:\Users\Admin\AppData\Local\Temp\4BD1.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\4DF5.exeC:\Users\Admin\AppData\Local\Temp\4DF5.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3428 -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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1732 -ip 17321⤵
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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 496 -p 3428 -ip 34281⤵
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C:\Users\Admin\AppData\Local\Temp\C364.exeC:\Users\Admin\AppData\Local\Temp\C364.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\agentactivationruntimestarter.exeC:\Windows\system32\agentactivationruntimestarter.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 6082⤵
- Program crash
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 9482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 9482⤵
- Program crash
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Checks processor information in registry
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 10322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 10722⤵
- Program crash
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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 0x420 0x41c1⤵
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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:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 540 -ip 5401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 540 -ip 5401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 540 -ip 5401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 540 -ip 5401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 540 -ip 5401⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
sqlite3.dll
45E2.dll
45E2.dll
45E2.dll
46ED.exe
46ED.exe
46ED.exe
46ED.exe
46ED.exe
4A1B.exe
4A1B.exe
4BD1.exe
4BD1.exe
4DF5.exe
4DF5.exe
C364.exe
C364.exe
Sepawuaopqtypsq.tmp
46ED.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/540-250-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-252-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-229-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/540-257-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-228-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/540-223-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/540-246-0x0000000003080000-0x0000000003B43000-memory.dmp
memory/540-255-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-204-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/540-203-0x00000000025C0000-0x0000000002882000-memory.dmp
memory/540-202-0x00000000008DE000-0x00000000009FC000-memory.dmp
memory/540-247-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/540-248-0x0000000003080000-0x0000000003B43000-memory.dmp
memory/540-249-0x0000000003080000-0x0000000003B43000-memory.dmp
memory/540-251-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-254-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-253-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/540-256-0x0000000003D10000-0x0000000003E50000-memory.dmp
memory/680-181-0x0000000000A00000-0x0000000000A6B000-memory.dmp
memory/680-178-0x0000000000A00000-0x0000000000A6B000-memory.dmp
memory/680-175-0x0000000000A70000-0x0000000000AE5000-memory.dmp
memory/720-213-0x00000000021B0000-0x00000000021F4000-memory.dmp
memory/720-212-0x0000000000642000-0x000000000066A000-memory.dmp
memory/1316-195-0x000000000088F000-0x0000000000921000-memory.dmp
memory/1528-235-0x0000000001270000-0x0000000001273000-memory.dmp
memory/1528-236-0x0000000001280000-0x0000000001283000-memory.dmp
memory/1528-241-0x00000000012D0000-0x00000000012D3000-memory.dmp
memory/1528-239-0x00000000012B0000-0x00000000012B3000-memory.dmp
memory/1528-238-0x00000000012A0000-0x00000000012A3000-memory.dmp
memory/1528-240-0x00000000012C0000-0x00000000012C3000-memory.dmp
memory/1528-244-0x00000000012F0000-0x00000000012F3000-memory.dmp
memory/1528-242-0x00000000012E0000-0x00000000012E3000-memory.dmp
memory/1528-237-0x0000000001290000-0x0000000001293000-memory.dmp
memory/1528-243-0x00000000012F0000-0x00000000012F3000-memory.dmp
memory/1528-234-0x0000000001260000-0x0000000001263000-memory.dmp
memory/1732-166-0x0000000000813000-0x0000000000824000-memory.dmp
memory/1732-167-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1752-132-0x0000000000713000-0x0000000000724000-memory.dmp
memory/1752-134-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1752-135-0x0000000000713000-0x0000000000724000-memory.dmp
memory/1752-136-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1752-133-0x00000000005E0000-0x00000000005E9000-memory.dmp
memory/1776-172-0x0000000000A80000-0x0000000000A8C000-memory.dmp
memory/1776-174-0x0000000000A90000-0x0000000000A97000-memory.dmp
memory/1828-260-0x0000000003AD0000-0x0000000003C10000-memory.dmp
memory/1828-259-0x0000000002F00000-0x00000000039C3000-memory.dmp
memory/1828-263-0x0000000002F00000-0x00000000039C3000-memory.dmp
memory/1828-264-0x0000000002F00000-0x00000000039C3000-memory.dmp
memory/1828-262-0x0000000000A70000-0x0000000001414000-memory.dmp
memory/1828-261-0x0000000003AD0000-0x0000000003C10000-memory.dmp
memory/2364-196-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2364-194-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2364-197-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2632-155-0x0000000002230000-0x000000000234B000-memory.dmp
memory/2632-154-0x00000000006F8000-0x000000000078A000-memory.dmp
memory/3428-171-0x0000000000400000-0x0000000000596000-memory.dmp
memory/3428-173-0x0000000000733000-0x0000000000743000-memory.dmp
memory/3428-170-0x0000000000670000-0x0000000000679000-memory.dmp
memory/3568-214-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3568-231-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3568-209-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3568-211-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3568-215-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3568-224-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3604-164-0x0000000000400000-0x0000000000596000-memory.dmp
memory/3604-179-0x0000000000400000-0x0000000000596000-memory.dmp
memory/3604-161-0x0000000000823000-0x0000000000833000-memory.dmp
memory/3604-163-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3948-162-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-152-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-150-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-190-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3948-169-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4560-176-0x00000000029B0000-0x0000000002AAE000-memory.dmp
memory/4560-184-0x0000000002DA0000-0x0000000002E4D000-memory.dmp
memory/4560-160-0x0000000002240000-0x0000000002438000-memory.dmp
memory/4560-177-0x0000000002BB0000-0x0000000002CAE000-memory.dmp
memory/4560-187-0x0000000002BB0000-0x0000000002CAE000-memory.dmp
memory/4560-183-0x0000000002CC0000-0x0000000002D82000-memory.dmp