Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17-03-2024 02:15
Behavioral task
behavioral1
Sample
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe
Resource
win10v2004-20240226-en
General
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Target
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe
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Size
2.5MB
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MD5
6126547ab734fb6d59c9689d6e97e0b1
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SHA1
dc62f31b70f43717215f671363249430aac93350
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SHA256
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f
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SHA512
8e0136b24336c9b423c1701bb15c85ef1cb424e92423d160e0e0de597bceaa67b476778775bed9b2d330bdc688be15e84a1ca8b1c4940f5367d0e1105e3cc8ed
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SSDEEP
49152:bu5meHYWZgAeRrncr4Er3we2sNh4hOtNTdFf4H444lR:bSmceZcMEPdHh4H444lR
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
gator3220.hostgator.com - Port:
587 - Username:
[email protected] - Password:
RaFv@tsTUK55@@<<!! - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral1/memory/1640-4-0x00000000053A0000-0x00000000055C6000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-6-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-8-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-10-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-5-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-20-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-18-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-24-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-26-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-22-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-16-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-30-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-32-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-28-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-14-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-36-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-38-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-34-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-12-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-44-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-42-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-40-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-46-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-50-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-48-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-52-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-62-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-60-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-58-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-66-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-68-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-64-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-56-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1640-54-0x00000000053A0000-0x00000000055C0000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1640-0-0x0000000000280000-0x000000000050C000-memory.dmp family_purelog_stealer -
Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-4805-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2924-4807-0x00000000043D0000-0x0000000004410000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exedescription pid process target process PID 1640 set thread context of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
aspnet_compiler.exepid process 2924 aspnet_compiler.exe 2924 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exeaspnet_compiler.exedescription pid process Token: SeDebugPrivilege 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe Token: SeDebugPrivilege 2924 aspnet_compiler.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
aspnet_compiler.exepid process 2924 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exedescription pid process target process PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe PID 1640 wrote to memory of 2924 1640 b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe aspnet_compiler.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe"C:\Users\Admin\AppData\Local\Temp\b7128db8d1ce07b5f67c861bc3bb5e78e80563fca8c6862bf799247683e7670f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2924