Analysis
- max time kernel
173s - max time network
185s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
28/11/2022, 04:39
General
- Target bbb62a3fc3756f21ed7bcf18f11c07567bdba11618edfc3ab8452fa43e256c48.exe
- Size 149KB
- Sample221128-e98dksfb76
- SHA256 bbb62a3fc3756f21ed7bcf18f11c07567bdba11618edfc3ab8452fa43e256c48
Malware Config
Extracted
-
amadey
-
3.50
-
193.56.146.194/h49vlBP/index.php
Extracted
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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 11 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 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 11 IoCs
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 4 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 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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies system certificate store 2 TTPs 2 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
-
C:\Users\Admin\AppData\Local\Temp\bbb62a3fc3756f21ed7bcf18f11c07567bdba11618edfc3ab8452fa43e256c48.exe"C:\Users\Admin\AppData\Local\Temp\bbb62a3fc3756f21ed7bcf18f11c07567bdba11618edfc3ab8452fa43e256c48.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\D65B.exeC:\Users\Admin\AppData\Local\Temp\D65B.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 3144 -s 11482⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\FFAE.exeC:\Users\Admin\AppData\Local\Temp\FFAE.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\136.exeC:\Users\Admin\AppData\Local\Temp\136.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\405.exeC:\Users\Admin\AppData\Local\Temp\405.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\405.exeC:\Users\Admin\AppData\Local\Temp\405.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\b3e99e5a-ecbe-48e2-a61d-85262187ed1b" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
-
C:\Users\Admin\AppData\Local\Temp\405.exe"C:\Users\Admin\AppData\Local\Temp\405.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\405.exe"C:\Users\Admin\AppData\Local\Temp\405.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\d5a6f34d-389a-413d-bce5-7ffb7b14d933\build2.exe"C:\Users\Admin\AppData\Local\d5a6f34d-389a-413d-bce5-7ffb7b14d933\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\d5a6f34d-389a-413d-bce5-7ffb7b14d933\build2.exe"C:\Users\Admin\AppData\Local\d5a6f34d-389a-413d-bce5-7ffb7b14d933\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
-
-
-
C:\Users\Admin\AppData\Local\d5a6f34d-389a-413d-bce5-7ffb7b14d933\build3.exe"C:\Users\Admin\AppData\Local\d5a6f34d-389a-413d-bce5-7ffb7b14d933\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3876 -ip 38761⤵
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1A1F.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1A1F.dll2⤵
- Loads dropped DLL
-
-
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 540 -p 3144 -ip 31441⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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
136.exe
136.exe
1A1F.dll
1A1F.dll
405.exe
405.exe
405.exe
405.exe
405.exe
rovwer.exe
rovwer.exe
D65B.exe
D65B.exe
FFAE.exe
FFAE.exe
405.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
cred64.dll
cred64.dll
memory/1064-135-0x0000000000400000-0x0000000000AD8000-memory.dmp
memory/1064-133-0x0000000000C90000-0x0000000000C99000-memory.dmp
memory/1064-134-0x0000000000400000-0x0000000000AD8000-memory.dmp
memory/1064-132-0x0000000000B4E000-0x0000000000B5F000-memory.dmp
memory/1220-240-0x000000000090D000-0x000000000093A000-memory.dmp
memory/1220-241-0x00000000022F0000-0x000000000233B000-memory.dmp
memory/1476-236-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1476-247-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1476-248-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1476-242-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1476-238-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1476-239-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1656-200-0x0000000001030000-0x000000000109B000-memory.dmp
memory/1656-196-0x0000000001030000-0x000000000109B000-memory.dmp
memory/1656-195-0x00000000010A0000-0x0000000001115000-memory.dmp
memory/1656-184-0x0000000001030000-0x000000000109B000-memory.dmp
memory/1656-183-0x00000000010A0000-0x0000000001115000-memory.dmp
memory/1668-211-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1668-230-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1668-219-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1668-213-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2412-190-0x00000000033F0000-0x0000000003519000-memory.dmp
memory/2412-199-0x00000000033F0000-0x0000000003519000-memory.dmp
memory/2412-189-0x0000000003120000-0x00000000032B2000-memory.dmp
memory/2412-191-0x0000000003520000-0x00000000035EA000-memory.dmp
memory/2412-192-0x00000000035F0000-0x00000000036A6000-memory.dmp
memory/2512-185-0x00000000003B0000-0x00000000003BC000-memory.dmp
memory/2764-141-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-224-0x00000000024A0000-0x00000000024B0000-memory.dmp
memory/2764-142-0x0000000002980000-0x0000000002990000-memory.dmp
memory/2764-136-0x00000000024A0000-0x00000000024B0000-memory.dmp
memory/2764-226-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-225-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-137-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-138-0x0000000002980000-0x0000000002990000-memory.dmp
memory/2764-139-0x0000000002980000-0x0000000002990000-memory.dmp
memory/2764-223-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-222-0x00000000024A0000-0x00000000024B0000-memory.dmp
memory/2764-221-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-140-0x0000000002980000-0x0000000002990000-memory.dmp
memory/2764-220-0x00000000024A0000-0x00000000024B0000-memory.dmp
memory/2764-243-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-246-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-245-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/2764-244-0x00000000009D0000-0x00000000009E0000-memory.dmp
memory/3144-206-0x0000000000D2D000-0x0000000000D4C000-memory.dmp
memory/3144-148-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3144-147-0x00000000025F0000-0x000000000262E000-memory.dmp
memory/3144-207-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3144-146-0x0000000000D2D000-0x0000000000D4C000-memory.dmp
memory/3144-166-0x0000000000D2D000-0x0000000000D4C000-memory.dmp
memory/3144-167-0x00000000025F0000-0x000000000262E000-memory.dmp
memory/3148-186-0x0000000000C6C000-0x0000000000C8B000-memory.dmp
memory/3148-197-0x0000000000C6C000-0x0000000000C8B000-memory.dmp
memory/3148-198-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3148-187-0x0000000000400000-0x0000000000AE5000-memory.dmp
memory/3560-163-0x0000000000400000-0x000000000045A000-memory.dmp
memory/3560-156-0x0000000000530000-0x0000000000539000-memory.dmp
memory/3560-155-0x000000000057D000-0x000000000058D000-memory.dmp
memory/3560-157-0x0000000000400000-0x000000000045A000-memory.dmp
memory/3876-158-0x0000000000C1D000-0x0000000000C2D000-memory.dmp
memory/3876-159-0x0000000000400000-0x0000000000AD6000-memory.dmp
memory/3920-174-0x0000000002940000-0x0000000002A5B000-memory.dmp
memory/3920-172-0x00000000027A3000-0x0000000002835000-memory.dmp
memory/4604-169-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4604-171-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4604-205-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4604-177-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4604-182-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5008-212-0x0000000000CA4000-0x0000000000D36000-memory.dmp