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Analysis
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max time kernel
128s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 02:22
Static task
static1
Behavioral task
behavioral1
Sample
301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe
Resource
win7-20240221-en
General
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Target
301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe
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Size
40KB
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MD5
37e8da7ff8487da599c89c8a2b3b7d96
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SHA1
144d2581c8bbc52c50b8e7a0d2cb84bb7e0c7c0f
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SHA256
301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228
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SHA512
1b861b54217f66d82784d920abdc8710944f2a223a788c16f7228102a781e54a5e881333caef32f18c63d3377c782afbb48f37f921f1cba2f9b91bab7e8e3af8
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SSDEEP
768:lqWEIJXt+ONNXyiRP0zlu5GIGVlW3qWDnrvBF0jrYdZt:lvEmt+ONNXycP0zlu5GIGVl4qWDnrvTN
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.orako.co.ke - Port:
587 - Username:
[email protected] - Password:
ao655d3dSP[{ - 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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Contacts a large (4261) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule behavioral2/memory/23488-6-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral2/memory/23488-6-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with or use KoiVM 1 IoCs
resource yara_rule behavioral2/memory/5044-5-0x000002547FDA0000-0x000002547FE36000-memory.dmp INDICATOR_EXE_Packed_KoiVM -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/23488-6-0x0000000000400000-0x0000000000442000-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 behavioral2/memory/23488-6-0x0000000000400000-0x0000000000442000-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 behavioral2/memory/23488-6-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/23488-6-0x0000000000400000-0x0000000000442000-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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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7211 api.ipify.org 7210 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5044 set thread context of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 23488 regasm.exe 23488 regasm.exe 23488 regasm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe Token: SeDebugPrivilege 23488 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 23488 regasm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23488 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 93 PID 5044 wrote to memory of 23500 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 94 PID 5044 wrote to memory of 23500 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 94 PID 5044 wrote to memory of 23500 5044 301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe"C:\Users\Admin\AppData\Local\Temp\301ed1bb47c406723e68efa053bb4d4f5ce8fa794676c4411b0d2b506696d228.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044 -
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
- Suspicious use of SetWindowsHookEx
PID:23488
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵PID:23500
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