Analysis
- max time kernel
147s - max time network
183s - platform
windows7_x64 - resource
win7v20210408 - 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 behavioral1/memory/1172-70-0x0000000000370000-0x00000000003A0000-memory.dmp family_redline behavioral1/memory/1172-71-0x0000000000480000-0x00000000004AE000-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 11 checkip.amazonaws.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1648 set thread context of 1172 1648 yes11.exe 30 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1648 yes11.exe 1648 yes11.exe 1648 yes11.exe 1648 yes11.exe 1172 yes11.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1648 yes11.exe Token: SeDebugPrivilege 1172 yes11.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1648 wrote to memory of 768 1648 yes11.exe 29 PID 1648 wrote to memory of 768 1648 yes11.exe 29 PID 1648 wrote to memory of 768 1648 yes11.exe 29 PID 1648 wrote to memory of 768 1648 yes11.exe 29 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30 PID 1648 wrote to memory of 1172 1648 yes11.exe 30
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:1648 -
C:\Users\Admin\AppData\Local\Temp\yes11.exe"{path}"2⤵PID:768
-
-
C:\Users\Admin\AppData\Local\Temp\yes11.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1172
-