Analysis
- max time kernel
123s - max time network
151s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
06/12/2022, 13:37
General
- Target file.exe
- Size 417KB
- Sample221206-qws8aace29
- SHA256 de2df893fd6257f543b97ad732003a0cbed7abf488e4525129e3ac55faae3cb7
Malware Config
Extracted
-
amadey
-
3.50
-
77.73.133.72/hfk3vK9/index.php
Extracted
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redline
-
@2023@
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193.106.191.138:32796
-
auth_value
ca057e5baadfd0774a34a6a949cd5e69
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 5 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 8 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 Microsoft Outlook profiles 1 TTPs 1 IoCs
- 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 27 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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1000015001\softx64.exe"C:\Users\Admin\AppData\Local\Temp\1000015001\softx64.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
-
-
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C:\Windows\system32\taskeng.exetaskeng.exe {66D88BC0-89EC-4936-A6F8-F3F76FE626E4} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe2⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
softx64.exe
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
softx64.exe
softx64.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/772-101-0x00000000005E8000-0x0000000000607000-memory.dmp
memory/772-99-0x00000000005E8000-0x0000000000607000-memory.dmp
memory/772-102-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1416-60-0x00000000002C8000-0x00000000002E7000-memory.dmp
memory/1416-55-0x0000000075F01000-0x0000000075F03000-memory.dmp
memory/1416-54-0x00000000002C8000-0x00000000002E7000-memory.dmp
memory/1416-63-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1416-61-0x00000000001B0000-0x00000000001EE000-memory.dmp
memory/1488-66-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1488-67-0x0000000000588000-0x00000000005A7000-memory.dmp
memory/1488-62-0x0000000000588000-0x00000000005A7000-memory.dmp
memory/1488-65-0x0000000000588000-0x00000000005A7000-memory.dmp
memory/1756-95-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1756-74-0x0000000000648000-0x0000000000677000-memory.dmp
memory/1756-78-0x00000000047A0000-0x00000000047E4000-memory.dmp
memory/1756-77-0x00000000020E0000-0x0000000002126000-memory.dmp
memory/1756-75-0x0000000000648000-0x0000000000677000-memory.dmp
memory/1756-76-0x0000000000220000-0x000000000026B000-memory.dmp
memory/1756-87-0x0000000000648000-0x0000000000677000-memory.dmp
memory/1756-79-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1756-96-0x0000000000648000-0x0000000000677000-memory.dmp
memory/2044-86-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2044-85-0x00000000005E8000-0x0000000000607000-memory.dmp
memory/2044-83-0x00000000005E8000-0x0000000000607000-memory.dmp