Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 01:55
Static task
static1
Behavioral task
behavioral1
Sample
Product Order Inquiry - SSTF Co., Ltd #82928733.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
Product Order Inquiry - SSTF Co., Ltd #82928733.exe
Resource
win10v2004-20240611-en
General
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Target
Product Order Inquiry - SSTF Co., Ltd #82928733.exe
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Size
2.3MB
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MD5
285fee9261cc0f1ff6b69c10b6a2cbc9
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SHA1
058613d120360a7cc86901a316fb9704c0596c16
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SHA256
985f3a90e2586583a9913bc78484f4b3fb824bb08d9ccac14f229df08928477a
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SHA512
710ea284e0ac25491a5129c1c968c418673a0d191bfe25baae8d77cd0701fda357adbf68adf06e6b0d08221dbfe5b66d9a5ffb2244297b907fa7d799f63a2278
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SSDEEP
3072:k9LlfupJWPlE3ziE1wKtV5iEn+hFWd/7Udrfm2ukEg0Xvgb4TlvAYVQWfLoU8mow:kJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.b-trust.org - Port:
587 - Username:
[email protected] - Password:
bg680304 - 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 packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4956-4-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4956-4-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with or use KoiVM 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2308-3-0x0000029DFD7B0000-0x0000029DFD846000-memory.dmp INDICATOR_EXE_Packed_KoiVM -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4956-4-0x0000000000400000-0x0000000000442000-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
Processes:
resource yara_rule behavioral2/memory/4956-4-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4956-4-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4956-4-0x0000000000400000-0x0000000000442000-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Product Order Inquiry - SSTF Co., Ltd #82928733.exedescription pid process target process PID 2308 set thread context of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid process 4956 regasm.exe 4956 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid process Token: SeDebugPrivilege 4956 regasm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Product Order Inquiry - SSTF Co., Ltd #82928733.exedescription pid process target process PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe PID 2308 wrote to memory of 4956 2308 Product Order Inquiry - SSTF Co., Ltd #82928733.exe regasm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Product Order Inquiry - SSTF Co., Ltd #82928733.exe"C:\Users\Admin\AppData\Local\Temp\Product Order Inquiry - SSTF Co., Ltd #82928733.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4956