Analysis
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max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
09-05-2024 01:02
Static task
static1
Behavioral task
behavioral1
Sample
07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe
Resource
win7-20231129-en
General
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Target
07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe
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Size
2.3MB
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MD5
e05072707e8bf8693a2fdbbf09ee5171
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SHA1
aa419828400cf6b684382a8a0d43d9551bafacb5
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SHA256
07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4
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SHA512
1b8db09a65831e7cc6688feab6a1ab45612b28db0be72404ecd77fd67462ea8915742941dc32b65a7cb5bc689f7c18da1d1602a68f50b778da94bfb6d276c945
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SSDEEP
49152:Figf68sOtnjOXpR4k9lYFHA2tZwLRm8qyt:Fio6Lpl94HdjsRjq
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
y[/wk46uE}y(|Xn[ - 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
resource yara_rule behavioral1/memory/2972-4-0x0000000005180000-0x00000000053B0000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-8-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-14-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-18-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-22-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-24-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-28-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-30-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-34-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-38-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-40-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-46-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-50-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-54-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-58-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-60-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-68-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-66-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-64-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-62-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-56-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-52-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-48-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-44-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-42-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-36-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-32-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-26-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-20-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-16-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-12-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-6-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-10-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 behavioral1/memory/2972-5-0x0000000005180000-0x00000000053AA000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-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 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral1/memory/2636-4904-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2972 set thread context of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2636 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 2636 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe Token: SeDebugPrivilege 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe Token: SeDebugPrivilege 2636 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28 PID 2972 wrote to memory of 2636 2972 07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"C:\Users\Admin\AppData\Local\Temp\07c587b55d31f915af93c53896bce53e79d91a72609590f37acfa4457315dff4.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2636
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