Analysis
- max time kernel
126s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
04/11/2022, 13:16
General
- Target file.exe
- Size 330KB
- Sample221104-qhsplafdg5
- SHA256 fe6082ce079d0dc2c9ff2557dfe681f20c633c01dbd2c04c68849b810ad028b2
Malware Config
Extracted
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redline
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bred
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77.73.134.251:4691
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auth_value
0e8ad10c690c62fa90b012542647f121
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 2 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 3 IoCs
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 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 Microsoft Outlook profiles 1 TTPs 1 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 3 IoCs
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 12 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 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
- Adds Run key to start application
- 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:\Users\Admin\AppData\Local\Temp\1000001001\bre.exe"C:\Users\Admin\AppData\Local\Temp\1000001001\bre.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\bf045808586a24\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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 11402⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2224 -ip 22241⤵
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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 3044 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3044 -ip 30441⤵
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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 3428 -s 4242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3428 -ip 34281⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
bre.exe
bre.exe
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
memory/2224-134-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/2224-138-0x0000000002EF9000-0x0000000002F18000-memory.dmp
memory/2224-139-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/2224-132-0x0000000002EF9000-0x0000000002F18000-memory.dmp
memory/2224-133-0x0000000002EA0000-0x0000000002EDE000-memory.dmp
memory/3044-162-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/3044-161-0x0000000002E2B000-0x0000000002E4A000-memory.dmp
memory/3428-167-0x0000000002EAB000-0x0000000002ECA000-memory.dmp
memory/3428-169-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/3428-168-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/4328-159-0x00000000071F0000-0x0000000007240000-memory.dmp
memory/4328-150-0x0000000005A30000-0x0000000005A6C000-memory.dmp
memory/4328-154-0x0000000006AF0000-0x0000000007094000-memory.dmp
memory/4328-155-0x0000000005DE0000-0x0000000005E46000-memory.dmp
memory/4328-156-0x0000000007270000-0x0000000007432000-memory.dmp
memory/4328-157-0x0000000007970000-0x0000000007E9C000-memory.dmp
memory/4328-158-0x0000000009EA0000-0x0000000009F16000-memory.dmp
memory/4328-146-0x0000000000FF0000-0x0000000001018000-memory.dmp
memory/4328-153-0x0000000005D40000-0x0000000005DD2000-memory.dmp
memory/4328-149-0x00000000059A0000-0x00000000059B2000-memory.dmp
memory/4328-148-0x0000000005A70000-0x0000000005B7A000-memory.dmp
memory/4328-147-0x0000000005F20000-0x0000000006538000-memory.dmp
memory/4764-151-0x0000000002E08000-0x0000000002E27000-memory.dmp
memory/4764-152-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/4764-142-0x0000000000400000-0x0000000002C41000-memory.dmp
memory/4764-141-0x0000000002E08000-0x0000000002E27000-memory.dmp