Analysis
- max time kernel
151s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
27/11/2022, 23:41
General
- Target 184a3631ac144ff0153342cd222affbafc98cb7774f85b9c4803a7efbcbdf00d.exe
- Size 167KB
- Sample221127-3plwvacg21
- SHA256 184a3631ac144ff0153342cd222affbafc98cb7774f85b9c4803a7efbcbdf00d
Malware Config
Extracted
-
amadey
-
3.50
-
193.56.146.194/h49vlBP/index.php
Extracted
-
djvu
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http://fresherlights.com/lancer/get.php
-
extension
.kcbu
-
offline_id
hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1
-
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
-
55.9
-
517
-
https://t.me/headshotsonly
-
https://steamcommunity.com/profiles/76561199436777531
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profile_id
517
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 2 IoCs
- Detected Djvu ransomware 10 IoCs
- Detects Smokeloader packer 2 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.
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 14 IoCs
- Checks computer location settings 2 TTPs 5 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 5 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- 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 4 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 3 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 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 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 30 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\184a3631ac144ff0153342cd222affbafc98cb7774f85b9c4803a7efbcbdf00d.exe"C:\Users\Admin\AppData\Local\Temp\184a3631ac144ff0153342cd222affbafc98cb7774f85b9c4803a7efbcbdf00d.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\692A.exeC:\Users\Admin\AppData\Local\Temp\692A.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- outlook_win_path
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 9002⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\6AFF.exeC:\Users\Admin\AppData\Local\Temp\6AFF.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\6C29.exeC:\Users\Admin\AppData\Local\Temp\6C29.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\6DFF.exeC:\Users\Admin\AppData\Local\Temp\6DFF.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6DFF.exeC:\Users\Admin\AppData\Local\Temp\6DFF.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\9735dc4e-2b61-476e-84d5-446a7c6032aa" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\6DFF.exe"C:\Users\Admin\AppData\Local\Temp\6DFF.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\6DFF.exe"C:\Users\Admin\AppData\Local\Temp\6DFF.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\build2.exe"C:\Users\Admin\AppData\Local\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\build2.exe"C:\Users\Admin\AppData\Local\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\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\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\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\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\build3.exe"C:\Users\Admin\AppData\Local\a91e905a-cc9f-47d0-8b04-a23bef3c3da8\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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-
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\70B0.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\70B0.dll2⤵
- Loads dropped DLL
-
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3700 -ip 37001⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2012 -ip 20121⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Users\Admin\AppData\Local\Temp\F6B9.exeC:\Users\Admin\AppData\Local\Temp\F6B9.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\Weheooup.dll,start2⤵
- Blocklisted process makes network request
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 5122⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 4162⤵
- 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 584 -p 2932 -ip 29321⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2980 -ip 29801⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
6DFF.exe
rovwer.exe
rovwer.exe
rovwer.exe
692A.exe
692A.exe
6AFF.exe
6AFF.exe
6C29.exe
6C29.exe
6DFF.exe
6DFF.exe
6DFF.exe
6DFF.exe
6DFF.exe
70B0.dll
70B0.dll
F6B9.exe
F6B9.exe
Weheooup.dll
Weheooup.dll
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
cred64.dll
cred64.dll
memory/556-208-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/556-178-0x0000000000D7C000-0x0000000000D9B000-memory.dmp
memory/556-179-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/556-207-0x0000000000D7C000-0x0000000000D9B000-memory.dmp
memory/708-158-0x000000000274F000-0x00000000027E1000-memory.dmp
memory/708-159-0x0000000002910000-0x0000000002A2B000-memory.dmp
memory/1440-185-0x0000000002ED0000-0x0000000003062000-memory.dmp
memory/1440-206-0x00000000031A0000-0x00000000032C9000-memory.dmp
memory/1440-203-0x00000000033A0000-0x0000000003456000-memory.dmp
memory/1440-201-0x00000000032D0000-0x000000000339A000-memory.dmp
memory/1440-186-0x00000000031A0000-0x00000000032C9000-memory.dmp
memory/1644-155-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1644-153-0x000000000048D000-0x000000000049E000-memory.dmp
memory/1644-154-0x0000000000460000-0x0000000000469000-memory.dmp
memory/1644-160-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2012-181-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/2012-150-0x0000000000BBD000-0x0000000000BDC000-memory.dmp
memory/2012-151-0x0000000002710000-0x000000000274E000-memory.dmp
memory/2012-152-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/2644-213-0x0000000002260000-0x00000000022AB000-memory.dmp
memory/2644-212-0x000000000079D000-0x00000000007CA000-memory.dmp
memory/2644-217-0x000000000079D000-0x00000000007CA000-memory.dmp
memory/2932-260-0x0000000000E20000-0x0000000000E3F000-memory.dmp
memory/2932-261-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/2980-254-0x0000000000400000-0x00000000008EE000-memory.dmp
memory/2980-255-0x0000000000400000-0x00000000008EE000-memory.dmp
memory/2980-253-0x0000000002910000-0x0000000002DF2000-memory.dmp
memory/2980-268-0x0000000000400000-0x00000000008EE000-memory.dmp
memory/2980-252-0x000000000258A000-0x000000000290C000-memory.dmp
memory/3164-195-0x0000000002729000-0x00000000027BB000-memory.dmp
memory/3700-156-0x0000000000D2D000-0x0000000000D3D000-memory.dmp
memory/3700-157-0x0000000000400000-0x0000000000AD6000-memory.dmp
memory/3748-164-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3748-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3748-169-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3748-162-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3748-188-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4444-194-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4444-202-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4444-245-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4444-193-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4508-182-0x0000000000EC0000-0x0000000000F2B000-memory.dmp
memory/4508-171-0x0000000000EC0000-0x0000000000F2B000-memory.dmp
memory/4508-170-0x0000000000F30000-0x0000000000FA5000-memory.dmp
memory/4596-176-0x0000000000640000-0x0000000000647000-memory.dmp
memory/4596-177-0x0000000000630000-0x000000000063C000-memory.dmp
memory/4660-218-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4660-247-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4660-215-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4660-225-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4660-219-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4660-220-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4852-132-0x00000000009ED000-0x00000000009FD000-memory.dmp
memory/4852-135-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4852-134-0x0000000000400000-0x000000000070B000-memory.dmp
memory/4852-133-0x0000000000960000-0x0000000000969000-memory.dmp
memory/5000-269-0x0000000000400000-0x000000000084D000-memory.dmp