Analysis
- max time kernel
152s - max time network
165s - platform
windows10_x64 - resource
win10-en - submitted
07/09/2021, 06:26
Static task
static1
Behavioral task
behavioral1
Sample
yes11.exe
Resource
win7v20210408
0 signatures
0 seconds
General
- Target yes11.exe
- Size 816KB
- Sample210907-g68w2sfcfl
- SHA256 284fa9b7685ebc3e71cf5d9956abe26103c8d9bafc29d3d417d4924dadfec00e
- MD5 e2cbfed6f9d89e8ccdf2b68bf945972e
- SHA1 a6530495857371ad151a50f549dacc0ee6f22da7
- SHA512 bed1e4fa58848e2564d4e862be2f3241d09707729df38f5ea39c1ed9334b94217b50e21a4bfe27c6ff17a122157ebb130f86a621b2b7fa2c95acd25e41bba380
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
redline
Botnet
-
0815
C2
-
185.206.212.37:1134
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
resource yara_rule behavioral2/memory/3148-130-0x00000000027E0000-0x0000000002810000-memory.dmp family_redline behavioral2/memory/3148-132-0x0000000002870000-0x000000000289E000-memory.dmp family_redline - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 16 checkip.amazonaws.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3936 set thread context of 3148 3936 yes11.exe 80 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3936 yes11.exe 3936 yes11.exe 3936 yes11.exe 3936 yes11.exe 3936 yes11.exe 3148 yes11.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3936 yes11.exe Token: SeDebugPrivilege 3148 yes11.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3936 wrote to memory of 3740 3936 yes11.exe 79 PID 3936 wrote to memory of 3740 3936 yes11.exe 79 PID 3936 wrote to memory of 3740 3936 yes11.exe 79 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80 PID 3936 wrote to memory of 3148 3936 yes11.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\yes11.exe"C:\Users\Admin\AppData\Local\Temp\yes11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Users\Admin\AppData\Local\Temp\yes11.exe"{path}"2⤵PID:3740
-
-
C:\Users\Admin\AppData\Local\Temp\yes11.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148
-