Analysis
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max time kernel
51s -
max time network
56s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 01:56
Static task
static1
Behavioral task
behavioral1
Sample
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe
Resource
win10v2004-20240508-en
General
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Target
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe
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Size
933KB
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MD5
15d4b3a4b2907c2602eb46b084afe911
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SHA1
90a8ae980f1dd539e8716e7b5c26e7f229620a3b
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SHA256
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6
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SHA512
4df17340873fd0bf929cbb79b3d7db2e85fb02c211b10866b69b2be51bfce1576c2eaef2b4321fad89274e1208d0dcad70c132e5c12493bf1d58b603c8ddab59
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SSDEEP
12288:P9S0DlaggXSvN7EM8N+CzaXuGTNVSG6SRiI2qecz+ELeK67nIPZqwLf6d1:1SRDWN7EMLkWNVSG0LwPtsIxqwrM1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
ozenmobilya.com - Port:
587 - Username:
[email protected] - Password:
ozennefes - 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/1072-4-0x0000000000400000-0x0000000000440000-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/1072-4-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with or use KoiVM 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4668-3-0x000001D045570000-0x000001D045602000-memory.dmp INDICATOR_EXE_Packed_KoiVM -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1072-4-0x0000000000400000-0x0000000000440000-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/1072-4-0x0000000000400000-0x0000000000440000-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/1072-4-0x0000000000400000-0x0000000000440000-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/1072-4-0x0000000000400000-0x0000000000440000-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 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exedescription pid process target process PID 4668 set thread context of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
msbuild.exepid process 1072 msbuild.exe 1072 msbuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exemsbuild.exedescription pid process Token: SeDebugPrivilege 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe Token: SeDebugPrivilege 1072 msbuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msbuild.exepid process 1072 msbuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exedescription pid process target process PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe PID 4668 wrote to memory of 1072 4668 a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe msbuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe"C:\Users\Admin\AppData\Local\Temp\a3d0339ed9baefeedb6cb984e3e6fcafeb59dab6484c0b75e44a6c24b1cd31f6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1072