Analysis
- max time kernel
115s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
13/11/2022, 14:17
General
- Target file.exe
- Size 232KB
- Sample221113-rlpb1sbc99
- SHA256 b5c97d5c7e5cd6b7151f042f9f5a3ac5c85246e4adfc0330d7c3d131d498aa28
Malware Config
Extracted
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redline
-
boy
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77.73.134.241:4691
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auth_value
a91fa8cc2cfaefc42a23c03faef44bd3
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 4 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 5 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 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 2 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.
- GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 14 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\mana.exe"C:\Users\Admin\AppData\Local\Temp\1000001001\mana.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe"C:\Users\Admin\AppData\Local\Temp\1000002001\dron.exe"3⤵
- Executes dropped EXE
-
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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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1316 -ip 13161⤵
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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 4628 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4628 -ip 46281⤵
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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 1248 -s 4202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1248 -ip 12481⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mana.exe
mana.exe
dron.exe
dron.exe
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
cred64.dll
memory/260-159-0x0000000000668000-0x0000000000687000-memory.dmp
memory/260-141-0x0000000000668000-0x0000000000687000-memory.dmp
memory/260-142-0x0000000000400000-0x0000000000596000-memory.dmp
memory/260-160-0x0000000000400000-0x0000000000596000-memory.dmp
memory/936-156-0x00000000060E0000-0x0000000006684000-memory.dmp
memory/936-161-0x0000000006710000-0x0000000006786000-memory.dmp
memory/936-150-0x0000000005020000-0x000000000505C000-memory.dmp
memory/936-148-0x0000000005090000-0x000000000519A000-memory.dmp
memory/936-146-0x0000000000610000-0x0000000000638000-memory.dmp
memory/936-164-0x0000000007060000-0x000000000758C000-memory.dmp
memory/936-163-0x0000000006960000-0x0000000006B22000-memory.dmp
memory/936-162-0x0000000006690000-0x00000000066E0000-memory.dmp
memory/936-157-0x0000000005B30000-0x0000000005BC2000-memory.dmp
memory/936-158-0x0000000005470000-0x00000000054D6000-memory.dmp
memory/936-149-0x0000000004FC0000-0x0000000004FD2000-memory.dmp
memory/936-147-0x0000000005510000-0x0000000005B28000-memory.dmp
memory/1248-174-0x000000000069C000-0x00000000006BB000-memory.dmp
memory/1248-175-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1316-138-0x0000000000809000-0x0000000000828000-memory.dmp
memory/1316-139-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1316-132-0x0000000000809000-0x0000000000828000-memory.dmp
memory/1316-134-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1316-133-0x0000000000730000-0x000000000076E000-memory.dmp
memory/1444-154-0x0000000000840000-0x000000000102B000-memory.dmp
memory/1444-155-0x0000000000840000-0x000000000102B000-memory.dmp
memory/4280-169-0x0000000000730000-0x0000000000754000-memory.dmp
memory/4628-171-0x00000000006CC000-0x00000000006EB000-memory.dmp
memory/4628-172-0x0000000000400000-0x0000000000596000-memory.dmp