Analysis
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max time kernel
95s -
max time network
139s -
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 02:04
Static task
static1
Behavioral task
behavioral1
Sample
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe
Resource
win10v2004-20240611-en
General
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Target
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe
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Size
635KB
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MD5
a25d570c2f9692f49d7a94ce04a48eda
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SHA1
a45b7681227eff915cd1c39e52b89efdea195ccc
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SHA256
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab
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SHA512
cbde93cc02526ea9ef749ee66756a9254a34321c1c35ae8fcd1e190aac5e0519a4f890bf7160c4fa8290743dacce832b8bdc0c8c61026c1b08f212f1fccde91d
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SSDEEP
12288:OsFjsY2FrAak3uTgVK5hXBmIIZup4GpDrpQNYHb71/Q6kY+FC3iWn5OB0TkqyJM:OsF4Y4Aak+TgY5hXB7IZuKsCsb7d14Cm
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
tVNMUR%7
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
tVNMUR%7 - 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/3100-11-0x0000000000400000-0x0000000000440000-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/3100-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3100-11-0x0000000000400000-0x0000000000440000-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/3100-11-0x0000000000400000-0x0000000000440000-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/3100-11-0x0000000000400000-0x0000000000440000-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/3100-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exedescription pid process target process PID 4808 set thread context of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exevbc.exepid process 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe 3100 vbc.exe 3100 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exevbc.exedescription pid process Token: SeDebugPrivilege 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe Token: SeDebugPrivilege 3100 vbc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exedescription pid process target process PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe PID 4808 wrote to memory of 3100 4808 b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe"C:\Users\Admin\AppData\Local\Temp\b676c17a455c3cbc95167c0e80d07d7364ff8894134edfaa020627ccc5469fab.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3100