Analysis
- max time kernel
153s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/11/2022, 11:05
General
- Target file.exe
- Size 214KB
- Sample221107-m685psfcbn
- SHA256 0cb2cd639be24e91df57e40dfeac93539fbeecd94678163f5d05790982ab3677
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
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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 8 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 48 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 55 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
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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\3911.exeC:\Users\Admin\AppData\Local\Temp\3911.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 12762⤵
- Program crash
-
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3B45.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3B45.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\3E24.exeC:\Users\Admin\AppData\Local\Temp\3E24.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\3EE1.exeC:\Users\Admin\AppData\Local\Temp\3EE1.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 612 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\4181.exeC:\Users\Admin\AppData\Local\Temp\4181.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\43E4.exeC:\Users\Admin\AppData\Local\Temp\43E4.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\46A4.exeC:\Users\Admin\AppData\Local\Temp\46A4.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\46A4.exeC:\Users\Admin\AppData\Local\Temp\46A4.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\b20ab288-c793-4f76-a82f-facabd4efee6" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\46A4.exe"C:\Users\Admin\AppData\Local\Temp\46A4.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\46A4.exe"C:\Users\Admin\AppData\Local\Temp\46A4.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\build2.exe"C:\Users\Admin\AppData\Local\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\build2.exe"C:\Users\Admin\AppData\Local\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\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\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\build2.exe" & exit7⤵
-
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
-
C:\Users\Admin\AppData\Local\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\build3.exe"C:\Users\Admin\AppData\Local\3a0800aa-6eb4-4a7a-929b-7e43118b3b08\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:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 612 -ip 6121⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3768 -ip 37681⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3500 -ip 35001⤵
-
C:\Users\Admin\AppData\Local\Temp\A9A5.exeC:\Users\Admin\AppData\Local\Temp\A9A5.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 8922⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 10122⤵
- 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 164653⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 10202⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 9722⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1152 -ip 11521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1152 -ip 11521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1152 -ip 11521⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 1152 -ip 11521⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3972 -ip 39721⤵
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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
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
3911.exe
3911.exe
3B45.dll
3B45.dll
3B45.dll
3B45.dll
3E24.exe
3E24.exe
3EE1.exe
3EE1.exe
4181.exe
4181.exe
43E4.exe
43E4.exe
43E4.exe
46A4.exe
46A4.exe
46A4.exe
46A4.exe
46A4.exe
A9A5.exe
A9A5.exe
Saofurhaqqiry.tmp
aria-debug-4844.log
46A4.exe
mstsca.exe
mstsca.exe
memory/612-162-0x0000000000400000-0x0000000000588000-memory.dmp
memory/612-161-0x000000000060D000-0x000000000061D000-memory.dmp
memory/788-135-0x0000000000400000-0x0000000000590000-memory.dmp
memory/788-132-0x0000000000817000-0x0000000000827000-memory.dmp
memory/788-134-0x0000000000400000-0x0000000000590000-memory.dmp
memory/788-133-0x00000000006D0000-0x00000000006D9000-memory.dmp
memory/1152-276-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1152-256-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-246-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1152-245-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1152-244-0x0000000002C70000-0x00000000032DF000-memory.dmp
memory/1152-243-0x0000000001019000-0x00000000014CE000-memory.dmp
memory/1152-242-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1152-250-0x0000000003860000-0x00000000043D3000-memory.dmp
memory/1152-284-0x0000000003860000-0x00000000043D3000-memory.dmp
memory/1152-253-0x0000000003860000-0x00000000043D3000-memory.dmp
memory/1152-255-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-254-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-248-0x0000000003860000-0x00000000043D3000-memory.dmp
memory/1152-257-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-258-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-268-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1152-259-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-260-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1152-261-0x00000000043E0000-0x0000000004520000-memory.dmp
memory/1388-156-0x0000000000400000-0x0000000000590000-memory.dmp
memory/1388-151-0x0000000000767000-0x0000000000777000-memory.dmp
memory/1388-153-0x00000000006F0000-0x00000000006F9000-memory.dmp
memory/1388-186-0x0000000000400000-0x0000000000590000-memory.dmp
memory/2012-172-0x0000000000370000-0x0000000000377000-memory.dmp
memory/2012-173-0x0000000000360000-0x000000000036C000-memory.dmp
memory/2268-286-0x000001D350A90000-0x000001D350D41000-memory.dmp
memory/2268-285-0x0000000000800000-0x0000000000AA0000-memory.dmp
memory/2268-283-0x000001D352510000-0x000001D352650000-memory.dmp
memory/2268-282-0x000001D352510000-0x000001D352650000-memory.dmp
memory/2320-180-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2320-178-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2320-176-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2320-187-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2320-197-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2740-179-0x0000000002306000-0x0000000002398000-memory.dmp
memory/2740-174-0x00000000023A0000-0x00000000024BB000-memory.dmp
memory/2748-200-0x0000000002970000-0x0000000002A2B000-memory.dmp
memory/2748-194-0x0000000002890000-0x000000000295F000-memory.dmp
memory/2748-199-0x0000000002970000-0x0000000002A2B000-memory.dmp
memory/2748-165-0x0000000001FA0000-0x000000000213E000-memory.dmp
memory/2748-185-0x0000000002740000-0x000000000287A000-memory.dmp
memory/2748-209-0x0000000002740000-0x000000000287A000-memory.dmp
memory/2748-189-0x00000000024C0000-0x00000000025FC000-memory.dmp
memory/3040-251-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3040-231-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3040-228-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3040-247-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3040-230-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3040-234-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3044-207-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3044-205-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3044-208-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3044-235-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3188-184-0x0000000000E70000-0x0000000000EE5000-memory.dmp
memory/3188-188-0x0000000000E00000-0x0000000000E6B000-memory.dmp
memory/3188-191-0x0000000000E00000-0x0000000000E6B000-memory.dmp
memory/3396-206-0x0000000002147000-0x00000000021D9000-memory.dmp
memory/3444-264-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-272-0x0000000000740000-0x0000000001193000-memory.dmp
memory/3444-287-0x0000000002C10000-0x0000000003783000-memory.dmp
memory/3444-280-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-279-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-278-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-277-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-275-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-274-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-273-0x0000000002C10000-0x0000000003783000-memory.dmp
memory/3444-265-0x00000000038D0000-0x0000000003A10000-memory.dmp
memory/3444-263-0x0000000002C10000-0x0000000003783000-memory.dmp
memory/3500-171-0x0000000000400000-0x0000000000588000-memory.dmp
memory/3500-170-0x000000000095D000-0x000000000096D000-memory.dmp
memory/3768-168-0x00000000006E0000-0x00000000006E9000-memory.dmp
memory/3768-167-0x0000000000757000-0x0000000000767000-memory.dmp
memory/3768-169-0x0000000000400000-0x0000000000588000-memory.dmp
memory/3972-198-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/3972-217-0x00000000056D0000-0x00000000057DA000-memory.dmp
memory/3972-271-0x00000000063C0000-0x0000000006426000-memory.dmp
memory/3972-215-0x0000000000400000-0x0000000000867000-memory.dmp
memory/3972-216-0x00000000058B0000-0x0000000005EC8000-memory.dmp
memory/3972-181-0x0000000000B7B000-0x0000000000BAC000-memory.dmp
memory/3972-182-0x0000000000AF0000-0x0000000000B2E000-memory.dmp
memory/3972-226-0x0000000005820000-0x000000000585C000-memory.dmp
memory/3972-214-0x0000000000B7B000-0x0000000000BAC000-memory.dmp
memory/3972-183-0x0000000000400000-0x0000000000867000-memory.dmp
memory/3972-193-0x0000000004FB0000-0x0000000005554000-memory.dmp
memory/3972-291-0x0000000000400000-0x0000000000867000-memory.dmp
memory/3972-290-0x0000000000B7B000-0x0000000000BAC000-memory.dmp
memory/3972-225-0x0000000005800000-0x0000000005812000-memory.dmp
memory/3972-288-0x0000000006C10000-0x0000000006DD2000-memory.dmp
memory/3972-289-0x0000000006DF0000-0x000000000731C000-memory.dmp
memory/5080-233-0x00000000024A0000-0x00000000024E8000-memory.dmp
memory/5080-232-0x000000000090B000-0x0000000000934000-memory.dmp