Analysis
- max time kernel
151s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
10/11/2022, 07:18
General
- Target d68bd01a1c047679188bd4ba14268249.exe
- Size 189KB
- Sample221110-h4x77shfdm
- SHA256 828a669fddc220845a2cbb3cfca3bf06f60b40fefe044cb627d50bb692d22c67
Malware Config
Extracted
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redline
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mario23_10
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167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
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djvu
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http://fresherlights.com/lancer/get.php
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extension
.zate
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offline_id
VW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
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vidar
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55.6
-
517
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https://t.me/seclab_new
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https://mas.to/@ofadex
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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.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Executes dropped EXE 15 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 3 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 4 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 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.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 29 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\d68bd01a1c047679188bd4ba14268249.exe"C:\Users\Admin\AppData\Local\Temp\d68bd01a1c047679188bd4ba14268249.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\D14F.exeC:\Users\Admin\AppData\Local\Temp\D14F.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\D14F.exeC:\Users\Admin\AppData\Local\Temp\D14F.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\65025bbb-7e06-4980-895e-cea7771eb7ae" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\D14F.exe"C:\Users\Admin\AppData\Local\Temp\D14F.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\D14F.exe"C:\Users\Admin\AppData\Local\Temp\D14F.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\247d1652-948a-43a3-94ca-0ebdccc6fda3\build2.exe"C:\Users\Admin\AppData\Local\247d1652-948a-43a3-94ca-0ebdccc6fda3\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\247d1652-948a-43a3-94ca-0ebdccc6fda3\build2.exe"C:\Users\Admin\AppData\Local\247d1652-948a-43a3-94ca-0ebdccc6fda3\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\247d1652-948a-43a3-94ca-0ebdccc6fda3\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\247d1652-948a-43a3-94ca-0ebdccc6fda3\build3.exe"C:\Users\Admin\AppData\Local\247d1652-948a-43a3-94ca-0ebdccc6fda3\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\D40F.exeC:\Users\Admin\AppData\Local\Temp\D40F.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\D807.exeC:\Users\Admin\AppData\Local\Temp\D807.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\DB93.exeC:\Users\Admin\AppData\Local\Temp\DB93.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\DDE5.exeC:\Users\Admin\AppData\Local\Temp\DDE5.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 3442⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\DF9C.exeC:\Users\Admin\AppData\Local\Temp\DF9C.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 3442⤵
- Program crash
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\E385.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\E385.dll2⤵
- Loads dropped DLL
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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 452 -p 3660 -ip 36601⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2620 -ip 26201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3428 -ip 34281⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Users\Admin\AppData\Roaming\scirjcbC:\Users\Admin\AppData\Roaming\scirjcb1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\swirjcbC:\Users\Admin\AppData\Roaming\swirjcb1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 3402⤵
- Program crash
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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 508 -p 1076 -ip 10761⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
D14F.exe
D14F.exe
D14F.exe
D14F.exe
D14F.exe
D14F.exe
D40F.exe
D40F.exe
D807.exe
D807.exe
DB93.exe
DB93.exe
DDE5.exe
DDE5.exe
DF9C.exe
DF9C.exe
E385.dll
E385.dll
mstsca.exe
mstsca.exe
scirjcb
scirjcb
swirjcb
swirjcb
memory/228-155-0x0000000002340000-0x000000000245B000-memory.dmp
memory/228-152-0x00000000022A7000-0x0000000002338000-memory.dmp
memory/904-265-0x0000000000400000-0x000000000058A000-memory.dmp
memory/904-264-0x0000000000590000-0x0000000000690000-memory.dmp
memory/904-268-0x0000000000400000-0x000000000058A000-memory.dmp
memory/1076-267-0x0000000000400000-0x000000000085E000-memory.dmp
memory/1076-266-0x0000000000A2A000-0x0000000000A40000-memory.dmp
memory/1220-189-0x0000000000500000-0x000000000050C000-memory.dmp
memory/1280-223-0x00000000006AD000-0x00000000006DA000-memory.dmp
memory/1280-220-0x0000000002200000-0x000000000224C000-memory.dmp
memory/1280-218-0x00000000006AD000-0x00000000006DA000-memory.dmp
memory/2088-192-0x00000000029E0000-0x0000000002ACF000-memory.dmp
memory/2088-195-0x0000000002BA0000-0x0000000002C55000-memory.dmp
memory/2088-198-0x00000000029E0000-0x0000000002ACF000-memory.dmp
memory/2088-194-0x0000000002AD0000-0x0000000002B98000-memory.dmp
memory/2088-191-0x00000000027B0000-0x00000000028E3000-memory.dmp
memory/2248-193-0x0000000000400000-0x000000000085E000-memory.dmp
memory/2248-177-0x0000000000AFB000-0x0000000000B10000-memory.dmp
memory/2248-178-0x00000000009B0000-0x00000000009B9000-memory.dmp
memory/2248-179-0x0000000000400000-0x000000000085E000-memory.dmp
memory/2472-134-0x0000000000400000-0x000000000058A000-memory.dmp
memory/2472-135-0x0000000000400000-0x000000000058A000-memory.dmp
memory/2472-132-0x000000000085D000-0x000000000086E000-memory.dmp
memory/2472-133-0x0000000000820000-0x0000000000829000-memory.dmp
memory/2620-187-0x0000000000400000-0x000000000058A000-memory.dmp
memory/2620-186-0x000000000082D000-0x000000000083D000-memory.dmp
memory/2816-185-0x0000000000400000-0x000000000046B000-memory.dmp
memory/2816-184-0x0000000000470000-0x00000000004E5000-memory.dmp
memory/3016-255-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3016-207-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3016-209-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3016-210-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3428-188-0x0000000000400000-0x000000000058A000-memory.dmp
memory/3428-190-0x000000000079D000-0x00000000007AD000-memory.dmp
memory/3588-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3588-158-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3588-151-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3588-153-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3588-203-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3628-208-0x000000000223A000-0x00000000022CB000-memory.dmp
memory/3660-181-0x00000000008D0000-0x00000000008D9000-memory.dmp
memory/3660-180-0x000000000097B000-0x0000000000990000-memory.dmp
memory/3660-182-0x0000000000400000-0x000000000085E000-memory.dmp
memory/3684-159-0x0000000005EB0000-0x00000000064C8000-memory.dmp
memory/3684-143-0x0000000000400000-0x0000000000460000-memory.dmp
memory/3684-216-0x0000000006770000-0x00000000067D6000-memory.dmp
memory/3684-215-0x00000000066D0000-0x0000000006762000-memory.dmp
memory/3684-160-0x00000000059F0000-0x0000000005AFA000-memory.dmp
memory/3684-214-0x0000000006F70000-0x0000000007514000-memory.dmp
memory/3684-226-0x0000000009140000-0x000000000966C000-memory.dmp
memory/3684-225-0x0000000006C90000-0x0000000006E52000-memory.dmp
memory/3684-165-0x0000000005980000-0x00000000059BC000-memory.dmp
memory/3684-162-0x0000000005920000-0x0000000005932000-memory.dmp
memory/4808-253-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4808-222-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4808-224-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4808-219-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4808-231-0x0000000000400000-0x0000000000460000-memory.dmp
memory/4808-232-0x0000000061E00000-0x0000000061EF3000-memory.dmp