Analysis
- max time kernel
126s - max time network
131s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
MM205LTVMNORIN000837.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target MM205LTVMNORIN000837.exe
- Size 643KB
- Sample201109-jppcs527sj
- SHA256 ec8b1456e2458e604e3fa2815364664889a01ff1e330c360572be069aa1cf9f0
- MD5 8565a3150ce89567fb4ef599f9c613f2
- SHA1 2c475d9207ff435ada83fa69ac7825f54d5673b9
- SHA512 1769f942a3e39aac887a0d5dd86976ca111c1c38fb2d5f0b50547ac92554168397b62e96836de1464b28db3db68218465b7a86d340a0a1dafe45adc1e2940f09
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.pluszfm.ro
-
Port
587
-
Username
-
Password
szberkatloKBL
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/476-8-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/476-9-0x000000000044B1CE-mapping.dmp family_agenttesla behavioral1/memory/476-11-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/476-12-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla - Executes dropped EXE 1 IoCs
pid Process 476 AddInProcess32.exe - Loads dropped DLL 1 IoCs
pid Process 756 MM205LTVMNORIN000837.exe - Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral1/memory/756-3-0x0000000000200000-0x000000000020F000-memory.dmp agile_net - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 756 set thread context of 476 756 MM205LTVMNORIN000837.exe 29 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 756 MM205LTVMNORIN000837.exe 756 MM205LTVMNORIN000837.exe 756 MM205LTVMNORIN000837.exe 476 AddInProcess32.exe 476 AddInProcess32.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 756 MM205LTVMNORIN000837.exe Token: SeDebugPrivilege 476 AddInProcess32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29 PID 756 wrote to memory of 476 756 MM205LTVMNORIN000837.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\MM205LTVMNORIN000837.exe"C:\Users\Admin\AppData\Local\Temp\MM205LTVMNORIN000837.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:476
-