Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
27/10/2022, 15:11
General
- Target 9a0deca267f41c02baa5985db9257907.exe
- Size 260KB
- Sample221027-skk4msced5
- SHA256 580e496b3699930b681bdf033c845a8b8fb82e40c71496c8fc472ff8e3ae8b61
Malware Config
Extracted
-
vidar
-
55.2
-
1752
-
https://t.me/slivetalks
-
https://c.im/@xinibin420
-
profile_id
1752
Extracted
-
redline
-
mario23_10
-
167.235.252.160:10642
-
auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
-
djvu
-
http://winnlinne.com/lancer/get.php
-
extension
.pozq
-
offline_id
oq4l7AoeQAT1wLV4c2ModKTOluU7sQaRllQplQt1
-
payload_url
http://uaery.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
-
ransomnote
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Extracted
-
vidar
-
55.2
-
517
-
https://t.me/slivetalks
-
https://c.im/@xinibin420
-
profile_id
517
Extracted
-
redline
-
Google2
-
167.235.71.14:20469
-
auth_value
fb274d9691235ba015830da570a13578
Signatures
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 6 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 3 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
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 7 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.
- Uses the VBS compiler for execution 1 TTPs
- 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 4 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 4 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 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 24 IoCs
- Suspicious use of AdjustPrivilegeToken 55 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9a0deca267f41c02baa5985db9257907.exe"C:\Users\Admin\AppData\Local\Temp\9a0deca267f41c02baa5985db9257907.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\DC6A.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\DC6A.dll2⤵
- Loads dropped DLL
-
-
C:\Users\Admin\AppData\Local\Temp\DD37.exeC:\Users\Admin\AppData\Local\Temp\DD37.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\DD37.exe" & exit2⤵
-
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 19442⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Program crash
- Suspicious use of WriteProcessMemory
-
-
C:\Users\Admin\AppData\Local\Temp\DEDD.exeC:\Users\Admin\AppData\Local\Temp\DEDD.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 646722⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\E1BD.exeC:\Users\Admin\AppData\Local\Temp\E1BD.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\E818.exeC:\Users\Admin\AppData\Local\Temp\E818.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 37508 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\E50A.exeC:\Users\Admin\AppData\Local\Temp\E50A.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 27492 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\EB16.exeC:\Users\Admin\AppData\Local\Temp\EB16.exe1⤵
-
C:\Users\Admin\AppData\Local\Temp\EB16.exeC:\Users\Admin\AppData\Local\Temp\EB16.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\ef1988ec-b7b1-443a-b3af-dca62914dfb7" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\EB16.exe"C:\Users\Admin\AppData\Local\Temp\EB16.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\EB16.exe"C:\Users\Admin\AppData\Local\Temp\EB16.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
-
C:\Users\Admin\AppData\Local\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\build2.exe"C:\Users\Admin\AppData\Local\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\build2.exe"C:\Users\Admin\AppData\Local\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\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\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\build2.exe" & exit7⤵
-
-
-
-
C:\Users\Admin\AppData\Local\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\build3.exe"C:\Users\Admin\AppData\Local\fc11d1b0-2ae0-4aa3-9172-f1c0a4cffa64\build3.exe"5⤵
- Executes dropped EXE
-
-
-
-
-
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 412 -p 2156 -ip 21561⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 27492 -ip 274921⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 37508 -ip 375081⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2188 -ip 21881⤵
-
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"1⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\timeout.exetimeout /t 61⤵
- Delays execution with timeout.exe
-
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)
-
-
C:\Users\Admin\AppData\Local\Temp\8EF9.exeC:\Users\Admin\AppData\Local\Temp\8EF9.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\969B.exeC:\Users\Admin\AppData\Local\Temp\969B.exe1⤵
- Executes dropped EXE
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
freebl3.dll
mozglue.dll
mozglue.dll
mozglue.dll
msvcp140.dll
nss3.dll
nss3.dll
nss3.dll
sqlite3.dll
sqlite3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
70C71DBB8B7D2BBCA12DF82826D851E0_278EAB15C57802B8465F5CA2986E9B30
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
70C71DBB8B7D2BBCA12DF82826D851E0_278EAB15C57802B8465F5CA2986E9B30
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
8EF9.exe
8EF9.exe
969B.exe
DC6A.dll
DC6A.dll
DD37.exe
DD37.exe
DEDD.exe
DEDD.exe
E1BD.exe
E1BD.exe
E50A.exe
E50A.exe
E818.exe
E818.exe
EB16.exe
EB16.exe
EB16.exe
EB16.exe
EB16.exe
EB16.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/220-221-0x0000000002C80000-0x0000000002DC8000-memory.dmp
memory/220-207-0x0000000002EA0000-0x0000000002F56000-memory.dmp
memory/220-205-0x0000000002DD0000-0x0000000002E9C000-memory.dmp
memory/220-153-0x00000000028A0000-0x0000000002B2E000-memory.dmp
memory/220-154-0x0000000002C80000-0x0000000002DC8000-memory.dmp
memory/812-135-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/812-134-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/812-133-0x0000000002E80000-0x0000000002E89000-memory.dmp
memory/812-132-0x0000000002F67000-0x0000000002F7C000-memory.dmp
memory/928-305-0x0000000000A80000-0x0000000000A88000-memory.dmp
memory/1564-297-0x0000000000B80000-0x0000000000B89000-memory.dmp
memory/1564-296-0x0000000000B90000-0x0000000000B95000-memory.dmp
memory/1600-302-0x0000000000600000-0x0000000000607000-memory.dmp
memory/1600-303-0x00000000003F0000-0x00000000003FD000-memory.dmp
memory/1836-290-0x0000000000920000-0x0000000000926000-memory.dmp
memory/1836-291-0x0000000000910000-0x000000000091C000-memory.dmp
memory/2188-216-0x0000000000400000-0x00000000005B0000-memory.dmp
memory/2188-150-0x00000000020E0000-0x0000000002129000-memory.dmp
memory/2188-149-0x0000000000759000-0x0000000000785000-memory.dmp
memory/2188-212-0x0000000000759000-0x0000000000785000-memory.dmp
memory/2188-151-0x0000000000400000-0x00000000005B0000-memory.dmp
memory/2380-263-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2380-218-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2380-215-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2380-226-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2456-276-0x00000000000C0000-0x0000000000174000-memory.dmp
memory/2792-284-0x00000000004F0000-0x00000000004F9000-memory.dmp
memory/2792-285-0x00000000004E0000-0x00000000004EF000-memory.dmp
memory/2856-271-0x0000000000340000-0x0000000000368000-memory.dmp
memory/3044-237-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-261-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-235-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-233-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3044-245-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3100-288-0x0000000000AE0000-0x0000000000AE9000-memory.dmp
memory/3100-287-0x0000000000AF0000-0x0000000000AF5000-memory.dmp
memory/3304-206-0x0000000002FAC000-0x000000000303E000-memory.dmp
memory/3484-300-0x00000000012D0000-0x00000000012DB000-memory.dmp
memory/3484-299-0x00000000012E0000-0x00000000012E6000-memory.dmp
memory/4740-238-0x0000000000750000-0x0000000000799000-memory.dmp
memory/4740-236-0x0000000000802000-0x000000000082E000-memory.dmp
memory/4828-281-0x0000000000AD0000-0x0000000000AD7000-memory.dmp
memory/4828-282-0x0000000000AC0000-0x0000000000ACB000-memory.dmp
memory/4856-294-0x0000000000190000-0x00000000001B7000-memory.dmp
memory/4856-293-0x00000000001C0000-0x00000000001E2000-memory.dmp
memory/5000-280-0x00007FF6BBA20000-0x00007FF6BC283000-memory.dmp
memory/11992-177-0x0000000002DF6000-0x0000000002E0C000-memory.dmp
memory/11992-179-0x0000000002D80000-0x0000000002D89000-memory.dmp
memory/11992-203-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/11992-181-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/27492-192-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/27492-191-0x0000000002C76000-0x0000000002C8C000-memory.dmp
memory/37508-182-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/37508-193-0x0000000002E43000-0x0000000002E59000-memory.dmp
memory/37508-190-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/46240-187-0x0000000002F5F000-0x0000000002FF1000-memory.dmp
memory/46240-189-0x00000000048C0000-0x00000000049DB000-memory.dmp
memory/52684-178-0x0000000000E60000-0x0000000000ECB000-memory.dmp
memory/52684-165-0x0000000000E60000-0x0000000000ECB000-memory.dmp
memory/52684-164-0x0000000000ED0000-0x0000000000F45000-memory.dmp
memory/65704-169-0x0000000000DC0000-0x0000000000DCC000-memory.dmp
memory/68432-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/68432-202-0x0000000000400000-0x0000000000537000-memory.dmp
memory/68432-195-0x0000000000400000-0x0000000000537000-memory.dmp
memory/68432-188-0x0000000000400000-0x0000000000537000-memory.dmp
memory/68432-184-0x0000000000400000-0x0000000000537000-memory.dmp
memory/68540-180-0x0000000005550000-0x000000000558C000-memory.dmp
memory/68540-174-0x0000000005A60000-0x0000000006078000-memory.dmp
memory/68540-176-0x00000000054F0000-0x0000000005502000-memory.dmp
memory/68540-168-0x0000000000F00000-0x0000000000F60000-memory.dmp
memory/68540-175-0x00000000055C0000-0x00000000056CA000-memory.dmp
memory/68540-217-0x0000000006B20000-0x00000000070C4000-memory.dmp
memory/68540-220-0x00000000060F0000-0x0000000006156000-memory.dmp
memory/68540-211-0x0000000005890000-0x0000000005922000-memory.dmp
memory/68540-227-0x0000000006940000-0x0000000006B02000-memory.dmp
memory/68540-228-0x0000000008CF0000-0x000000000921C000-memory.dmp