Analysis
-
max time kernel
121s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
24-10-2021 15:14
Static task
static1
Behavioral task
behavioral1
Sample
menu.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
menu.exe
Resource
win10-en-20210920
General
-
Target
menu.exe
-
Size
183KB
-
MD5
6f37fca873eb5c00aa786e51393fda16
-
SHA1
ff985dff8a17f22911e41c91106b9ed0a8b16fdc
-
SHA256
f1c411ac29f45b10c7a090a40d7f8242e6ba06a5b94b846024e0afd4b4956f1d
-
SHA512
6aa47c79c355f870cb7e80b83d4ef3478f6909aecaeeecfb40f831cc401673d01e604eeb34c7d08fdeb630610bcaed6d7ac5c03fd6f8bc5823e73dcd55be66f1
Malware Config
Extracted
redline
185.215.113.51:56632
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4264-117-0x0000000000400000-0x000000000041E000-memory.dmp family_redline behavioral2/memory/4264-118-0x0000000000419F7E-mapping.dmp family_redline -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
menu.exedescription pid process target process PID 4304 set thread context of 4264 4304 menu.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 4264 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 4264 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
menu.exedescription pid process target process PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe PID 4304 wrote to memory of 4264 4304 menu.exe RegAsm.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\menu.exe"C:\Users\Admin\AppData\Local\Temp\menu.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe#cmd2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4264