Analysis
- max time kernel
140s - max time network
132s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
06/12/2022, 16:46
General
- Target file.exe
- Size 415KB
- Sample221206-t9ylpsef65
- SHA256 460cefdbf462c9c703ef882a017d0e9ecf62d0ff1a9231608cf1b67eee9fccfa
Malware Config
Extracted
-
amadey
-
3.50
-
62.204.41.6/p9cWxH/index.php
Extracted
-
redline
-
new2811
-
jamesmillion.xyz:15772
-
auth_value
86a08d2c48d5c5db0c9cb371fb180937
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 6 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 11 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.
- Uses the VBS compiler for execution 1 TTPs
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 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 41 IoCs
- outlook_win_path 1 IoCs
Processes
-
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\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\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\99e342142d\gntuud.exe" /F3⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\1000033001\5jk29l2fg.exe"C:\Users\Admin\AppData\Local\Temp\1000033001\5jk29l2fg.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 364⤵
- Loads dropped DLL
- Program crash
-
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
-
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {394466D6-04AC-4F7F-B2AB-869DF92E83DA} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe2⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
5jk29l2fg.exe
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
5jk29l2fg.exe
5jk29l2fg.exe
5jk29l2fg.exe
5jk29l2fg.exe
5jk29l2fg.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/536-71-0x00000000008E8000-0x0000000000908000-memory.dmp
memory/536-73-0x00000000008E8000-0x0000000000908000-memory.dmp
memory/536-74-0x0000000000400000-0x000000000046D000-memory.dmp
memory/880-92-0x0000000000A60000-0x0000000000B28000-memory.dmp
memory/1308-107-0x0000000000638000-0x0000000000658000-memory.dmp
memory/1308-109-0x0000000000638000-0x0000000000658000-memory.dmp
memory/1308-110-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1392-61-0x0000000000280000-0x00000000002BE000-memory.dmp
memory/1392-54-0x0000000000608000-0x0000000000628000-memory.dmp
memory/1392-55-0x0000000075521000-0x0000000075523000-memory.dmp
memory/1392-60-0x0000000000608000-0x0000000000628000-memory.dmp
memory/1392-62-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1560-115-0x0000000000268000-0x0000000000288000-memory.dmp
memory/1560-116-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1560-113-0x0000000000268000-0x0000000000288000-memory.dmp
memory/1636-81-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1636-90-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1636-89-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1636-83-0x0000000000400000-0x0000000000436000-memory.dmp
memory/1728-76-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1728-75-0x0000000000230000-0x0000000000330000-memory.dmp
memory/1728-68-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1728-67-0x0000000000230000-0x0000000000330000-memory.dmp
memory/1792-104-0x0000000000670000-0x0000000000694000-memory.dmp