Analysis
- max time kernel
79s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
04/11/2022, 05:02
General
- Target file.exe
- Size 183KB
- Sample221104-fn5agadfar
- SHA256 fa098da5c908e9ef45a25971e2a90a78673d241a6e9c67d1e4166a026ceefb12
Malware Config
Extracted
-
djvu
-
http://fresherlights.com/lancer/get.php
-
extension
.bozq
-
offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
-
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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redline
-
mario23_10
-
167.235.252.160:10642
-
auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
-
blacknet
-
antivm
false
-
elevate_uac
false
- install_name
- splitter
- start_name
-
startup
false
-
usb_spread
false
Signatures
- BlackNET
BlackNET is an open source remote access tool written in VB.NET.
- BlackNET payload 2 IoCs
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- 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.
- Downloads MZ/PE file
- Executes dropped EXE 12 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 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- 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 2 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 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 3 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 33 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
-
C:\Users\Admin\AppData\Local\Temp\3652.exeC:\Users\Admin\AppData\Local\Temp\3652.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 12682⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\373D.exeC:\Users\Admin\AppData\Local\Temp\373D.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\373D.exeC:\Users\Admin\AppData\Local\Temp\373D.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\ed00d6cd-3867-424c-ab2d-5fd89e4b0542" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
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C:\Users\Admin\AppData\Local\Temp\373D.exe"C:\Users\Admin\AppData\Local\Temp\373D.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\373D.exe"C:\Users\Admin\AppData\Local\Temp\373D.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\93d7915d-6473-4040-a8ff-b800b9bb7431\build2.exe"C:\Users\Admin\AppData\Local\93d7915d-6473-4040-a8ff-b800b9bb7431\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\93d7915d-6473-4040-a8ff-b800b9bb7431\build2.exe"C:\Users\Admin\AppData\Local\93d7915d-6473-4040-a8ff-b800b9bb7431\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\93d7915d-6473-4040-a8ff-b800b9bb7431\build2.exe" & exit7⤵
-
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
-
C:\Users\Admin\AppData\Local\93d7915d-6473-4040-a8ff-b800b9bb7431\build3.exe"C:\Users\Admin\AppData\Local\93d7915d-6473-4040-a8ff-b800b9bb7431\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)
-
-
-
-
-
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C:\Users\Admin\AppData\Local\Temp\38E4.exeC:\Users\Admin\AppData\Local\Temp\38E4.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
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
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 886122⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\3B95.exeC:\Users\Admin\AppData\Local\Temp\3B95.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3EB3.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3EB3.dll2⤵
- Loads dropped DLL
-
-
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 420 -p 4512 -ip 45121⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 988 -ip 9881⤵
-
C:\Users\Admin\AppData\Local\Temp\F978.exeC:\Users\Admin\AppData\Local\Temp\F978.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\Temp\F978.exeC:\Users\Admin\AppData\Local\Temp\F978.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsRework.exe"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsRework.exe"3⤵
-
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsRework.exe"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsRework.exe"4⤵
-
-
-
C:\Users\Admin\AppData\Local\Temp\svchosts.exe"C:\Users\Admin\AppData\Local\Temp\svchosts.exe"3⤵
-
-
-
C:\Users\Admin\AppData\Local\Temp\48A3.exeC:\Users\Admin\AppData\Local\Temp\48A3.exe1⤵
-
C:\Users\Admin\AppData\Local\Temp\5BFD.exeC:\Users\Admin\AppData\Local\Temp\5BFD.exe1⤵
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C:\Users\Admin\AppData\Roaming\CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe"C:\Users\Admin\AppData\Roaming\CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe"2⤵
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6A6D.tmp.bat""3⤵
-
C:\Windows\system32\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
-
-
C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"4⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "LYKAA" /tr "C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"5⤵
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "LYKAA" /tr "C:\ProgramData\GhubSoftWalletTrust\LYKAA.exe"6⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
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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)
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
LYKAA.exe
LYKAA.exe
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
F978.exe.log
WindowsRework.exe.log
3652.exe
3652.exe
373D.exe
373D.exe
373D.exe
373D.exe
373D.exe
38E4.exe
38E4.exe
3B95.exe
3B95.exe
3EB3.dll
3EB3.dll
48A3.exe
48A3.exe
5BFD.exe
5BFD.exe
F978.exe
F978.exe
F978.exe
svchosts.exe
svchosts.exe
tmp6A6D.tmp.bat
373D.exe
CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe
CsEKSsCbCSUHsBFKUscCEESFBsSFkFUHCCUBfbUSAHShSSfKSchFBse.exe
WindowsRework.exe
WindowsRework.exe
WindowsRework.exe
mstsca.exe
mstsca.exe
memory/504-132-0x00000000007CD000-0x00000000007DE000-memory.dmp
memory/504-133-0x00000000006F0000-0x00000000006F9000-memory.dmp
memory/504-137-0x0000000000400000-0x0000000000588000-memory.dmp
memory/504-136-0x00000000006F0000-0x00000000006F9000-memory.dmp
memory/504-135-0x00000000007CD000-0x00000000007DE000-memory.dmp
memory/504-134-0x0000000000400000-0x0000000000588000-memory.dmp
memory/988-178-0x0000000004880000-0x00000000048BE000-memory.dmp
memory/988-182-0x0000000007C10000-0x0000000007C4C000-memory.dmp
memory/988-233-0x0000000000400000-0x0000000002C53000-memory.dmp
memory/988-177-0x0000000002DF9000-0x0000000002E2A000-memory.dmp
memory/988-180-0x0000000007AC0000-0x0000000007BCA000-memory.dmp
memory/988-179-0x0000000007CA0000-0x00000000082B8000-memory.dmp
memory/988-181-0x0000000007BF0000-0x0000000007C02000-memory.dmp
memory/988-173-0x0000000000400000-0x0000000002C53000-memory.dmp
memory/988-199-0x0000000000400000-0x0000000002C53000-memory.dmp
memory/988-200-0x0000000002DF9000-0x0000000002E2A000-memory.dmp
memory/988-207-0x0000000008530000-0x0000000008596000-memory.dmp
memory/988-176-0x0000000007930000-0x00000000079C2000-memory.dmp
memory/988-175-0x0000000007380000-0x0000000007924000-memory.dmp
memory/988-234-0x0000000002DF9000-0x0000000002E2A000-memory.dmp
memory/2472-287-0x00007FFFEB410000-0x00007FFFEBED1000-memory.dmp
memory/2472-281-0x00000000003E0000-0x0000000000500000-memory.dmp
memory/2472-282-0x00007FFFEB410000-0x00007FFFEBED1000-memory.dmp
memory/3820-259-0x00007FFFEBEE0000-0x00007FFFEC916000-memory.dmp
memory/3900-150-0x000000000229B000-0x000000000232C000-memory.dmp
memory/3900-152-0x0000000002330000-0x000000000244B000-memory.dmp
memory/4560-286-0x00000000002D0000-0x00000000003A6000-memory.dmp
memory/4564-270-0x00000000736A0000-0x0000000073C51000-memory.dmp
memory/4564-277-0x00000000736A0000-0x0000000073C51000-memory.dmp
memory/4676-174-0x0000000000400000-0x0000000000588000-memory.dmp
memory/4676-161-0x00000000008CD000-0x00000000008DD000-memory.dmp
memory/4676-162-0x0000000000690000-0x0000000000699000-memory.dmp
memory/4676-163-0x0000000000400000-0x0000000000588000-memory.dmp
memory/10536-159-0x0000000001000000-0x0000000001075000-memory.dmp
memory/10536-160-0x0000000000D40000-0x0000000000DAB000-memory.dmp
memory/10536-172-0x0000000000D40000-0x0000000000DAB000-memory.dmp
memory/12852-195-0x00000000030C0000-0x00000000031B4000-memory.dmp
memory/12852-192-0x0000000003290000-0x0000000003345000-memory.dmp
memory/12852-191-0x0000000003290000-0x0000000003345000-memory.dmp
memory/12852-190-0x00000000031C0000-0x0000000003287000-memory.dmp
memory/12852-171-0x00000000030C0000-0x00000000031B4000-memory.dmp
memory/12852-170-0x0000000002EC0000-0x0000000002FB4000-memory.dmp
memory/19716-158-0x0000000000A30000-0x0000000000A3C000-memory.dmp
memory/39088-169-0x0000000000400000-0x0000000000537000-memory.dmp
memory/39088-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/39088-167-0x0000000000400000-0x0000000000537000-memory.dmp
memory/39088-168-0x0000000000400000-0x0000000000537000-memory.dmp
memory/39088-198-0x0000000000400000-0x0000000000537000-memory.dmp
memory/50404-258-0x00000000736A0000-0x0000000073C51000-memory.dmp
memory/50404-262-0x00000000006F5000-0x0000000000703000-memory.dmp
memory/50404-269-0x00000000006F5000-0x0000000000703000-memory.dmp
memory/50404-268-0x00000000736A0000-0x0000000073C51000-memory.dmp
memory/50404-263-0x00000000048B0000-0x00000000048D2000-memory.dmp
memory/50404-260-0x00000000006F5000-0x0000000000703000-memory.dmp
memory/92100-185-0x0000000000400000-0x0000000000460000-memory.dmp
memory/92100-229-0x0000000007670000-0x0000000007B9C000-memory.dmp
memory/92100-228-0x00000000063B0000-0x0000000006572000-memory.dmp
memory/92260-202-0x0000000002323000-0x00000000023B4000-memory.dmp
memory/92364-206-0x0000000000400000-0x0000000000537000-memory.dmp
memory/92364-212-0x0000000000400000-0x0000000000537000-memory.dmp
memory/92364-205-0x0000000000400000-0x0000000000537000-memory.dmp
memory/92364-235-0x0000000000400000-0x0000000000537000-memory.dmp
memory/92548-221-0x00000000006E8000-0x0000000000715000-memory.dmp
memory/92548-222-0x00000000021E0000-0x0000000002239000-memory.dmp
memory/92596-220-0x0000000000400000-0x000000000046E000-memory.dmp
memory/92596-219-0x0000000000400000-0x000000000046E000-memory.dmp
memory/92596-237-0x0000000000400000-0x000000000046E000-memory.dmp
memory/92596-217-0x0000000000400000-0x000000000046E000-memory.dmp
memory/92596-223-0x0000000000400000-0x000000000046E000-memory.dmp
memory/93048-246-0x0000000000673000-0x0000000000681000-memory.dmp
memory/93048-242-0x0000000000673000-0x0000000000681000-memory.dmp
memory/93048-248-0x0000000002470000-0x00000000024B3000-memory.dmp
memory/93048-249-0x00000000736A0000-0x0000000073C51000-memory.dmp
memory/93092-276-0x000000000A870000-0x000000000A874000-memory.dmp
memory/93092-252-0x0000000000BD9000-0x0000000000BDF000-memory.dmp
memory/93092-271-0x00000000736A0000-0x0000000073C51000-memory.dmp
memory/93092-244-0x0000000000400000-0x0000000000426000-memory.dmp
memory/93092-272-0x0000000000BD9000-0x0000000000BDF000-memory.dmp
memory/93092-261-0x000000000A870000-0x000000000A874000-memory.dmp
memory/93092-250-0x00000000736A0000-0x0000000073C51000-memory.dmp