Analysis
- max time kernel
156s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
07/11/2022, 09:35
General
- Target file.exe
- Size 182KB
- Sample221107-lkhj7aaaa4
- SHA256 c8682651082a706e93c038faef563aae6fd0ca381e7c16f94b21d8717812ada4
Malware Config
Extracted
-
djvu
-
http://fresherlights.com/lancer/get.php
-
extension
.zate
-
offline_id
VW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1
-
payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
-
ransomnote
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Extracted
-
vidar
-
55.5
-
517
-
https://t.me/tg_turgay
-
https://ioc.exchange/@xiteb15011
-
profile_id
517
Signatures
- 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 14 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 5 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 9 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
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 43 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 61 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
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
-
C:\Users\Admin\AppData\Local\Temp\4BDE.exeC:\Users\Admin\AppData\Local\Temp\4BDE.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 12602⤵
- Program crash
-
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\4F59.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\4F59.dll2⤵
- Loads dropped DLL
-
-
C:\Users\Admin\AppData\Local\Temp\55B3.exeC:\Users\Admin\AppData\Local\Temp\55B3.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\5779.exeC:\Users\Admin\AppData\Local\Temp\5779.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\6342.exeC:\Users\Admin\AppData\Local\Temp\6342.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\6641.exeC:\Users\Admin\AppData\Local\Temp\6641.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\695F.exeC:\Users\Admin\AppData\Local\Temp\695F.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\695F.exeC:\Users\Admin\AppData\Local\Temp\695F.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\99f7db11-9df9-4573-80fc-65005488ad56" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\695F.exe"C:\Users\Admin\AppData\Local\Temp\695F.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\695F.exe"C:\Users\Admin\AppData\Local\Temp\695F.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\build2.exe"C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\build2.exe"C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\build2.exe" & exit7⤵
-
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
-
C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\build3.exe"C:\Users\Admin\AppData\Local\a2e0bd13-7254-4bc7-9464-c29a6190c664\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)
-
-
-
-
-
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2488 -ip 24881⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4280 -ip 42801⤵
-
C:\Users\Admin\AppData\Local\Temp\E258.exeC:\Users\Admin\AppData\Local\Temp\E258.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 7642⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 9642⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 9922⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 10042⤵
- Program crash
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Modifies registry class
- Suspicious use of FindShellTrayWindow
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 164783⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5040 -ip 50401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4512 -ip 45121⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5040 -ip 50401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5040 -ip 50401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 5040 -ip 50401⤵
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
-
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)
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
695F.exe
06e2a386-e288-47d2-9ed4-4891d5859cba.tmp
4BDE.exe
4BDE.exe
4F59.dll
4F59.dll
4F59.dll
4F59.dll
55B3.exe
55B3.exe
5779.exe
5779.exe
6342.exe
6342.exe
6342.exe
646a9946-d110-45e4-9694-7f4449423a86.tmp
6641.exe
6641.exe
695F.exe
695F.exe
695F.exe
695F.exe
695F.exe
84c7bf32-db39-40e7-95b4-e9bdddb0a182.tmp
E258.exe
E258.exe
Saofurhaqqiry.tmp
jusched.log
wct3A06.tmp
wct4ED3.tmp
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/220-171-0x000000000095D000-0x000000000096E000-memory.dmp
memory/220-172-0x0000000000690000-0x0000000000699000-memory.dmp
memory/220-198-0x0000000000400000-0x0000000000588000-memory.dmp
memory/220-173-0x0000000000400000-0x0000000000588000-memory.dmp
memory/308-204-0x0000000002E90000-0x0000000002FCA000-memory.dmp
memory/308-179-0x0000000002740000-0x00000000028DE000-memory.dmp
memory/308-203-0x0000000002C10000-0x0000000002D4C000-memory.dmp
memory/308-226-0x00000000030A0000-0x000000000315B000-memory.dmp
memory/308-227-0x00000000030A0000-0x000000000315B000-memory.dmp
memory/308-225-0x0000000002FD0000-0x000000000309F000-memory.dmp
memory/308-230-0x0000000002E90000-0x0000000002FCA000-memory.dmp
memory/440-240-0x000000000223B000-0x00000000022CD000-memory.dmp
memory/508-206-0x0000000000400000-0x0000000000588000-memory.dmp
memory/508-205-0x00000000007CD000-0x00000000007DD000-memory.dmp
memory/508-223-0x0000000000400000-0x0000000000588000-memory.dmp
memory/784-196-0x0000000001000000-0x0000000001075000-memory.dmp
memory/784-200-0x0000000000D30000-0x0000000000D9B000-memory.dmp
memory/784-211-0x0000000000D30000-0x0000000000D9B000-memory.dmp
memory/1812-220-0x00000000023B0000-0x00000000024CB000-memory.dmp
memory/1812-219-0x000000000230F000-0x00000000023A1000-memory.dmp
memory/2296-265-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2296-269-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2296-267-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2296-271-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2416-278-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-276-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-154-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-155-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-156-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-290-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-291-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-285-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-284-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-292-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-293-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-281-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-136-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-137-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-138-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-139-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-149-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-286-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-279-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-140-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-287-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-294-0x0000000007E20000-0x0000000007E30000-memory.dmp
memory/2416-141-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-277-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-142-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-289-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-143-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-275-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-274-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-144-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-146-0x0000000002A30000-0x0000000002A40000-memory.dmp
memory/2416-152-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-150-0x0000000002A50000-0x0000000002A60000-memory.dmp
memory/2416-153-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-145-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-161-0x0000000002A50000-0x0000000002A60000-memory.dmp
memory/2416-282-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-160-0x0000000002A50000-0x0000000002A60000-memory.dmp
memory/2416-159-0x0000000002A50000-0x0000000002A60000-memory.dmp
memory/2416-148-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-295-0x0000000007EB0000-0x0000000007EC0000-memory.dmp
memory/2416-158-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2416-157-0x0000000002A20000-0x0000000002A30000-memory.dmp
memory/2488-213-0x000000000079D000-0x00000000007AE000-memory.dmp
memory/2488-214-0x0000000000400000-0x0000000000588000-memory.dmp
memory/2544-234-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2544-222-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2544-221-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2544-218-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2544-216-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2956-199-0x0000000000560000-0x000000000056C000-memory.dmp
memory/2956-197-0x0000000000570000-0x0000000000577000-memory.dmp
memory/3032-239-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3032-258-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3032-243-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3032-241-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3664-320-0x0000000003DB0000-0x0000000003EF0000-memory.dmp
memory/3664-319-0x0000000003DB0000-0x0000000003EF0000-memory.dmp
memory/3664-318-0x0000000003060000-0x0000000003BD3000-memory.dmp
memory/3664-332-0x0000000003DB0000-0x0000000003EF0000-memory.dmp
memory/3664-333-0x0000000003DB0000-0x0000000003EF0000-memory.dmp
memory/3664-334-0x0000000003DB0000-0x0000000003EF0000-memory.dmp
memory/4280-212-0x0000000000400000-0x0000000000588000-memory.dmp
memory/4280-209-0x00000000008ED000-0x00000000008FE000-memory.dmp
memory/4280-210-0x00000000006D0000-0x00000000006D9000-memory.dmp
memory/4344-132-0x000000000090D000-0x000000000091E000-memory.dmp
memory/4344-133-0x00000000006D0000-0x00000000006D9000-memory.dmp
memory/4344-134-0x0000000000400000-0x0000000000588000-memory.dmp
memory/4344-135-0x0000000000400000-0x0000000000588000-memory.dmp
memory/4512-201-0x0000000005770000-0x0000000005D88000-memory.dmp
memory/4512-202-0x00000000055A0000-0x00000000056AA000-memory.dmp
memory/4512-181-0x0000000000AF0000-0x0000000000B2E000-memory.dmp
memory/4512-180-0x0000000000BAA000-0x0000000000BDB000-memory.dmp
memory/4512-283-0x0000000007860000-0x0000000007D8C000-memory.dmp
memory/4512-208-0x00000000056E0000-0x000000000571C000-memory.dmp
memory/4512-224-0x0000000000BAA000-0x0000000000BDB000-memory.dmp
memory/4512-207-0x00000000056C0000-0x00000000056D2000-memory.dmp
memory/4512-272-0x0000000007670000-0x0000000007832000-memory.dmp
memory/4512-182-0x0000000000400000-0x0000000000867000-memory.dmp
memory/4512-195-0x0000000004E70000-0x0000000004F02000-memory.dmp
memory/4512-235-0x0000000006000000-0x0000000006066000-memory.dmp
memory/4512-193-0x0000000004FF0000-0x0000000005594000-memory.dmp
memory/4816-270-0x0000000002480000-0x00000000024C8000-memory.dmp
memory/4816-268-0x00000000009FD000-0x0000000000A26000-memory.dmp
memory/5040-313-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-312-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-311-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-310-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-309-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-308-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-307-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-306-0x0000000004710000-0x0000000004850000-memory.dmp
memory/5040-305-0x00000000039D0000-0x0000000004543000-memory.dmp
memory/5040-296-0x00000000039D0000-0x0000000004543000-memory.dmp
memory/5040-259-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/5040-260-0x0000000002757000-0x0000000002C0C000-memory.dmp
memory/5040-261-0x0000000002C10000-0x000000000327F000-memory.dmp
memory/5040-262-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/5040-263-0x0000000000400000-0x0000000000A7C000-memory.dmp