Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/11/2022, 14:05
General
- Target file.exe
- Size 216KB
- Sample221107-reav2sdbeq
- SHA256 056eedd762e704295fca040c9b49ca41e6067ace06d385778ef653bf63d8bc3e
Malware Config
Extracted
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djvu
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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
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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 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 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 9 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 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 19 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 49 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 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\E67.exeC:\Users\Admin\AppData\Local\Temp\E67.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 15042⤵
- Program crash
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\10BA.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\10BA.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\1222.exeC:\Users\Admin\AppData\Local\Temp\1222.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\131D.exeC:\Users\Admin\AppData\Local\Temp\131D.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 3402⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\15CE.exeC:\Users\Admin\AppData\Local\Temp\15CE.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\1801.exeC:\Users\Admin\AppData\Local\Temp\1801.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 3402⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\1A06.exeC:\Users\Admin\AppData\Local\Temp\1A06.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1A06.exeC:\Users\Admin\AppData\Local\Temp\1A06.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\4afb7207-980c-4008-87d3-1748c1fefd99" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\1A06.exe"C:\Users\Admin\AppData\Local\Temp\1A06.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\1A06.exe"C:\Users\Admin\AppData\Local\Temp\1A06.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\659071dd-aaa6-4f98-b2a4-517146353503\build2.exe"C:\Users\Admin\AppData\Local\659071dd-aaa6-4f98-b2a4-517146353503\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\659071dd-aaa6-4f98-b2a4-517146353503\build2.exe"C:\Users\Admin\AppData\Local\659071dd-aaa6-4f98-b2a4-517146353503\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\659071dd-aaa6-4f98-b2a4-517146353503\build2.exe" & exit7⤵
-
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
-
C:\Users\Admin\AppData\Local\659071dd-aaa6-4f98-b2a4-517146353503\build3.exe"C:\Users\Admin\AppData\Local\659071dd-aaa6-4f98-b2a4-517146353503\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 444 -p 4840 -ip 48401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4592 -ip 45921⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4752 -ip 47521⤵
-
C:\Users\Admin\AppData\Local\Temp\8F66.exeC:\Users\Admin\AppData\Local\Temp\8F66.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 9242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 9242⤵
- 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
- Modifies registry class
- Suspicious use of FindShellTrayWindow
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 9762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 9842⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 9802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5048 -ip 50481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1852 -ip 18521⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 1852 -ip 18521⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1852 -ip 18521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1852 -ip 18521⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1852 -ip 18521⤵
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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
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
1A06.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
02fc4909-db62-4fee-8646-109dbf6b271b.tmp
10BA.dll
10BA.dll
1222.exe
1222.exe
131D.exe
131D.exe
131D.exe
15CE.exe
15CE.exe
1801.exe
1801.exe
1A06.exe
1A06.exe
1A06.exe
1A06.exe
1A06.exe
8F66.exe
8F66.exe
E67.exe
E67.exe
Saofurhaqqiry.tmp
jusched.log
mstsca.exe
mstsca.exe
memory/376-229-0x0000000002450000-0x0000000002498000-memory.dmp
memory/376-228-0x0000000000A8B000-0x0000000000AB4000-memory.dmp
memory/388-227-0x0000000000400000-0x000000000045C000-memory.dmp
memory/388-237-0x0000000000400000-0x000000000045C000-memory.dmp
memory/388-230-0x0000000000400000-0x000000000045C000-memory.dmp
memory/388-226-0x0000000000400000-0x000000000045C000-memory.dmp
memory/388-239-0x0000000000400000-0x000000000045C000-memory.dmp
memory/388-224-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1092-132-0x00000000008C7000-0x00000000008D7000-memory.dmp
memory/1092-134-0x0000000000400000-0x0000000000591000-memory.dmp
memory/1092-133-0x00000000006E0000-0x00000000006E9000-memory.dmp
memory/1092-135-0x0000000000400000-0x0000000000591000-memory.dmp
memory/1456-170-0x0000000000C30000-0x0000000000C9B000-memory.dmp
memory/1456-166-0x0000000000CA0000-0x0000000000D15000-memory.dmp
memory/1456-184-0x0000000000C30000-0x0000000000C9B000-memory.dmp
memory/1852-260-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-244-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1852-258-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-250-0x0000000003870000-0x00000000043E3000-memory.dmp
memory/1852-272-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1852-259-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-257-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-255-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-256-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-254-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-253-0x0000000003870000-0x00000000043E3000-memory.dmp
memory/1852-245-0x0000000000FB6000-0x000000000146B000-memory.dmp
memory/1852-275-0x0000000003870000-0x00000000043E3000-memory.dmp
memory/1852-246-0x0000000002C10000-0x000000000327F000-memory.dmp
memory/1852-247-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1852-261-0x00000000044B0000-0x00000000045F0000-memory.dmp
memory/1852-248-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1852-277-0x0000000000400000-0x0000000000A7C000-memory.dmp
memory/1852-249-0x0000000003870000-0x00000000043E3000-memory.dmp
memory/3052-182-0x00000000030B0000-0x00000000031EA000-memory.dmp
memory/3052-211-0x00000000032C0000-0x000000000337B000-memory.dmp
memory/3052-212-0x00000000032C0000-0x000000000337B000-memory.dmp
memory/3052-214-0x00000000030B0000-0x00000000031EA000-memory.dmp
memory/3052-181-0x0000000002E30000-0x0000000002F6C000-memory.dmp
memory/3052-197-0x00000000031F0000-0x00000000032BF000-memory.dmp
memory/3684-205-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3684-203-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3684-231-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3684-206-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3808-266-0x0000000001200000-0x0000000001C53000-memory.dmp
memory/3808-274-0x0000000004410000-0x0000000004550000-memory.dmp
memory/3808-273-0x0000000004410000-0x0000000004550000-memory.dmp
memory/3808-271-0x0000000003670000-0x00000000041E3000-memory.dmp
memory/3808-265-0x0000000004410000-0x0000000004550000-memory.dmp
memory/3808-276-0x0000000003670000-0x00000000041E3000-memory.dmp
memory/3808-264-0x0000000004410000-0x0000000004550000-memory.dmp
memory/3808-263-0x0000000003670000-0x00000000041E3000-memory.dmp
memory/4124-177-0x00000000022FB000-0x000000000238D000-memory.dmp
memory/4124-178-0x0000000002390000-0x00000000024AB000-memory.dmp
memory/4296-193-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4296-174-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4296-176-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4296-179-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4296-180-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4324-204-0x00000000022B4000-0x0000000002346000-memory.dmp
memory/4592-168-0x00000000007F0000-0x00000000007F9000-memory.dmp
memory/4592-169-0x0000000000400000-0x0000000000591000-memory.dmp
memory/4592-167-0x00000000008E7000-0x00000000008F7000-memory.dmp
memory/4660-165-0x0000000000BE0000-0x0000000000BEC000-memory.dmp
memory/4752-172-0x0000000000400000-0x0000000000588000-memory.dmp
memory/4752-171-0x000000000065D000-0x000000000066D000-memory.dmp
memory/4840-163-0x0000000000400000-0x0000000000588000-memory.dmp
memory/4840-162-0x00000000007AD000-0x00000000007BD000-memory.dmp
memory/5004-161-0x0000000000400000-0x0000000000591000-memory.dmp
memory/5004-183-0x0000000000400000-0x0000000000591000-memory.dmp
memory/5004-160-0x0000000000900000-0x0000000000909000-memory.dmp
memory/5004-158-0x0000000000947000-0x0000000000957000-memory.dmp
memory/5048-190-0x00000000050B0000-0x0000000005654000-memory.dmp
memory/5048-195-0x0000000005770000-0x0000000005D88000-memory.dmp
memory/5048-233-0x0000000006B10000-0x000000000703C000-memory.dmp
memory/5048-222-0x0000000006000000-0x0000000006066000-memory.dmp
memory/5048-232-0x0000000006940000-0x0000000006B02000-memory.dmp
memory/5048-196-0x0000000005D90000-0x0000000005E9A000-memory.dmp
memory/5048-191-0x0000000002A50000-0x0000000002AE2000-memory.dmp
memory/5048-198-0x0000000004FF0000-0x0000000005002000-memory.dmp
memory/5048-199-0x0000000005010000-0x000000000504C000-memory.dmp
memory/5048-252-0x0000000000400000-0x0000000000867000-memory.dmp
memory/5048-251-0x0000000000A4B000-0x0000000000A7C000-memory.dmp
memory/5048-188-0x00000000009C0000-0x00000000009FE000-memory.dmp
memory/5048-189-0x0000000000400000-0x0000000000867000-memory.dmp
memory/5048-187-0x0000000000A4B000-0x0000000000A7C000-memory.dmp