Analysis
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max time kernel
149s -
max time network
151s -
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 01:39
Static task
static1
Behavioral task
behavioral1
Sample
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe
Resource
win10v2004-20240611-en
General
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Target
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe
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Size
2.7MB
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MD5
a2dc840cdaebca556e71e98efc9673bd
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SHA1
0f3adcf5a3a11852637d4c5b8bd1fae5969384f4
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SHA256
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b
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SHA512
6b07bae8865d31c569cbdbca07e9993a5d3db4e5a9bf645f8c67867825a6afc8d838cf1b9e93905032d4298ab875dbee89b116b93b31353d997af73d4e771e41
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SSDEEP
12288:6sAripabvQCGxzxT/lYKFVGjcbfafuDkU70MuGsSm0qyGfmsmb:6sAOpkvQJyK9fYuj7JMrfmsk
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7426366653:AAERgpeylo3lf--iVcYDsvLZ4C71qIFlyH4/
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/2956-3-0x0000014CA41A0000-0x0000014CA4234000-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:
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exedescription pid process target process PID 2956 set thread context of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid process 4956 regasm.exe 4956 regasm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exeregasm.exedescription pid process Token: SeDebugPrivilege 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe Token: SeDebugPrivilege 4956 regasm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exedescription pid process target process PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe PID 2956 wrote to memory of 4956 2956 7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe regasm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe"C:\Users\Admin\AppData\Local\Temp\7b3b27a5939919582d1c712df7e9a1792c22bebabb3f393d6681b0712e226a6b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956 -
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