Analysis
- max time kernel
151s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
27/10/2022, 14:26
General
- Target 8ff0094f72d31f436c4b13b103931de8.exe
- Size 260KB
- Sample221027-rrttpacdhk
- SHA256 f0bad578eb9a921698ca1cc347b854abff5ac5ea539ddf647d0be99edbdb44a8
Malware Config
Extracted
-
vidar
-
55.2
-
1752
-
https://t.me/slivetalks
-
https://c.im/@xinibin420
-
profile_id
1752
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
-
redline
-
mario23_10
-
167.235.252.160:10642
-
auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
-
vidar
-
55.2
-
517
-
https://t.me/slivetalks
-
https://c.im/@xinibin420
-
profile_id
517
Extracted
-
redline
-
slovarik15btc
-
78.153.144.3:2510
-
auth_value
bfedad55292538ad3edd07ac95ad8952
Extracted
-
redline
-
Google2
-
167.235.71.14:20469
-
auth_value
fb274d9691235ba015830da570a13578
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 5 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 17 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 8 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 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 5 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 61 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8ff0094f72d31f436c4b13b103931de8.exe"C:\Users\Admin\AppData\Local\Temp\8ff0094f72d31f436c4b13b103931de8.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\3335.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3335.dll2⤵
- Loads dropped DLL
-
-
C:\Users\Admin\AppData\Local\Temp\33F2.exeC:\Users\Admin\AppData\Local\Temp\33F2.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\33F2.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 21122⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\35D7.exeC:\Users\Admin\AppData\Local\Temp\35D7.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 2796 -s 799282⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\3897.exeC:\Users\Admin\AppData\Local\Temp\3897.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\3D99.exeC:\Users\Admin\AppData\Local\Temp\3D99.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 9908 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\4134.exeC:\Users\Admin\AppData\Local\Temp\4134.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 16588 -s 3522⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\45BA.exeC:\Users\Admin\AppData\Local\Temp\45BA.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\45BA.exeC:\Users\Admin\AppData\Local\Temp\45BA.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\2675c875-7e94-4f4c-ac46-69d2d46eea75" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\45BA.exe"C:\Users\Admin\AppData\Local\Temp\45BA.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\45BA.exe"C:\Users\Admin\AppData\Local\Temp\45BA.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
-
C:\Users\Admin\AppData\Local\a51604b9-4f6c-4aa7-88bb-63e2fc540174\build2.exe"C:\Users\Admin\AppData\Local\a51604b9-4f6c-4aa7-88bb-63e2fc540174\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\a51604b9-4f6c-4aa7-88bb-63e2fc540174\build2.exe"C:\Users\Admin\AppData\Local\a51604b9-4f6c-4aa7-88bb-63e2fc540174\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\a51604b9-4f6c-4aa7-88bb-63e2fc540174\build2.exe" & exit7⤵
-
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
-
C:\Users\Admin\AppData\Local\a51604b9-4f6c-4aa7-88bb-63e2fc540174\build3.exe"C:\Users\Admin\AppData\Local\a51604b9-4f6c-4aa7-88bb-63e2fc540174\build3.exe"5⤵
- 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"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 448 -p 16588 -ip 165881⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 9908 -ip 99081⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2796 -ip 27961⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2824 -ip 28241⤵
-
C:\Users\Admin\AppData\Local\Temp\10C.exeC:\Users\Admin\AppData\Local\Temp\10C.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\514.exeC:\Users\Admin\AppData\Local\Temp\514.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\1215.exeC:\Users\Admin\AppData\Local\Temp\1215.exe1⤵
- Executes dropped EXE
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\190B.exeC:\Users\Admin\AppData\Local\Temp\190B.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 12602⤵
- Program crash
-
-
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⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3476 -ip 34761⤵
-
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
freebl3.dll
mozglue.dll
mozglue.dll
mozglue.dll
msvcp140.dll
nss3.dll
nss3.dll
nss3.dll
softokn3.dll
sqlite3.dll
sqlite3.dll
vcruntime140.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
70C71DBB8B7D2BBCA12DF82826D851E0_278EAB15C57802B8465F5CA2986E9B30
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
70C71DBB8B7D2BBCA12DF82826D851E0_278EAB15C57802B8465F5CA2986E9B30
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
45BA.exe
RegSvcs.exe.log
10C.exe
10C.exe
1215.exe
190B.exe
190B.exe
3335.dll
3335.dll
3335.dll
33F2.exe
33F2.exe
35D7.exe
35D7.exe
3897.exe
3897.exe
3D99.exe
3D99.exe
4134.exe
4134.exe
45BA.exe
45BA.exe
45BA.exe
45BA.exe
45BA.exe
514.exe
514.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/444-238-0x0000000000400000-0x000000000045E000-memory.dmp
memory/444-240-0x0000000000400000-0x000000000045E000-memory.dmp
memory/444-266-0x0000000000400000-0x000000000045E000-memory.dmp
memory/444-250-0x0000000000400000-0x000000000045E000-memory.dmp
memory/444-242-0x0000000000400000-0x000000000045E000-memory.dmp
memory/732-303-0x00000000068A0000-0x00000000068F0000-memory.dmp
memory/732-302-0x0000000006820000-0x0000000006896000-memory.dmp
memory/732-272-0x0000000000730000-0x0000000000758000-memory.dmp
memory/1464-277-0x0000000000F50000-0x0000000001004000-memory.dmp
memory/1672-291-0x00007FF718E60000-0x00007FF7196C3000-memory.dmp
memory/2124-299-0x0000000000F70000-0x0000000000F79000-memory.dmp
memory/2124-300-0x0000000000F60000-0x0000000000F6F000-memory.dmp
memory/2316-308-0x0000000000BB0000-0x0000000000BBC000-memory.dmp
memory/2316-307-0x0000000000BC0000-0x0000000000BC6000-memory.dmp
memory/2404-297-0x0000000000A20000-0x0000000000A2B000-memory.dmp
memory/2404-296-0x0000000000A30000-0x0000000000A37000-memory.dmp
memory/2824-153-0x0000000000400000-0x00000000005B0000-memory.dmp
memory/2824-208-0x0000000000400000-0x00000000005B0000-memory.dmp
memory/2824-151-0x00000000008A9000-0x00000000008D5000-memory.dmp
memory/2824-152-0x00000000006F0000-0x0000000000739000-memory.dmp
memory/2824-196-0x0000000000400000-0x00000000005B0000-memory.dmp
memory/2824-195-0x00000000008A9000-0x00000000008D5000-memory.dmp
memory/2824-207-0x00000000008A9000-0x00000000008D5000-memory.dmp
memory/2832-219-0x0000000003080000-0x00000000031C8000-memory.dmp
memory/2832-216-0x00000000031D0000-0x0000000003286000-memory.dmp
memory/2832-215-0x0000000000C50000-0x0000000000D1C000-memory.dmp
memory/2832-169-0x0000000003080000-0x00000000031C8000-memory.dmp
memory/2832-146-0x0000000002870000-0x0000000002B56000-memory.dmp
memory/2832-168-0x0000000002DF0000-0x000000000307E000-memory.dmp
memory/3472-194-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/3472-173-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/3472-172-0x0000000003080000-0x0000000003089000-memory.dmp
memory/3472-171-0x0000000002F96000-0x0000000002FAC000-memory.dmp
memory/3476-312-0x0000000000400000-0x0000000002C49000-memory.dmp
memory/3476-311-0x0000000003110000-0x000000000314E000-memory.dmp
memory/3476-310-0x0000000002F27000-0x0000000002F58000-memory.dmp
memory/3480-282-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3648-313-0x0000000000720000-0x0000000000742000-memory.dmp
memory/3656-305-0x0000000001010000-0x0000000001019000-memory.dmp
memory/3656-304-0x0000000001020000-0x0000000001025000-memory.dmp
memory/4428-287-0x0000000000970000-0x0000000000A24000-memory.dmp
memory/4808-135-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/4808-134-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/4808-132-0x0000000002DF7000-0x0000000002E0C000-memory.dmp
memory/4808-133-0x0000000002D80000-0x0000000002D89000-memory.dmp
memory/9908-174-0x0000000002CA0000-0x0000000002CA9000-memory.dmp
memory/9908-176-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/9908-197-0x0000000002D36000-0x0000000002D4C000-memory.dmp
memory/16588-179-0x0000000002DC3000-0x0000000002DD9000-memory.dmp
memory/16588-193-0x0000000000400000-0x0000000002C2E000-memory.dmp
memory/18256-241-0x00000000007D5000-0x0000000000801000-memory.dmp
memory/18256-243-0x0000000000730000-0x0000000000779000-memory.dmp
memory/20464-189-0x0000000002DB9000-0x0000000002E4B000-memory.dmp
memory/20464-192-0x0000000004A00000-0x0000000004B1B000-memory.dmp
memory/21136-165-0x0000000000E80000-0x0000000000EF5000-memory.dmp
memory/21136-170-0x0000000000E10000-0x0000000000E7B000-memory.dmp
memory/21136-166-0x0000000000E10000-0x0000000000E7B000-memory.dmp
memory/26664-167-0x0000000001200000-0x000000000120C000-memory.dmp
memory/83496-203-0x000000000B050000-0x000000000B08C000-memory.dmp
memory/83496-200-0x000000000B0C0000-0x000000000B1CA000-memory.dmp
memory/83496-202-0x000000000AFF0000-0x000000000B002000-memory.dmp
memory/83496-209-0x000000000B360000-0x000000000B3C6000-memory.dmp
memory/83496-199-0x000000000B570000-0x000000000BB88000-memory.dmp
memory/83496-210-0x000000000C440000-0x000000000C9E4000-memory.dmp
memory/83496-211-0x000000000BF50000-0x000000000BFE2000-memory.dmp
memory/83496-180-0x00000000013B0000-0x0000000001410000-memory.dmp
memory/83496-220-0x000000000C9F0000-0x000000000CBB2000-memory.dmp
memory/83496-221-0x000000000D0F0000-0x000000000D61C000-memory.dmp
memory/83508-213-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83508-187-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83508-184-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83508-198-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83508-190-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83556-225-0x0000000002F7B000-0x000000000300D000-memory.dmp
memory/83728-288-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83728-226-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83728-227-0x0000000000400000-0x0000000000537000-memory.dmp
memory/83728-233-0x0000000000400000-0x0000000000537000-memory.dmp