Analysis
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max time kernel
131s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
24-05-2024 01:38
General
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Target
b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe
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Size
607KB
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MD5
7831435dbf79df5631126a63a722cf35
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SHA1
2380acbc54642882a4a3ebaa0a892eda4ea50b96
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SHA256
b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8
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SHA512
355396d92d844bc72998588bb97b61379b7799ca3b8cb1a8101ed09fc83c2999b7c6f7a820272efe860f2cf22aaf27f62320e543b7afece79df9e8e3e4c7d070
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SSDEEP
12288:U0p92TpQ1USCgfrSAOsWmjWh/DEzliFDwKM7Z0l8i7ZPcflAAky+:/P8plSf2AOuGDbFDzM0q4Zkfqfy+
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6521856051:AAE_VqJACYh8GJnmBCYkrp8n7Ax0fW5fJ5s/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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UAC bypass 3 TTPs 1 IoCs
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Windows security bypass 2 TTPs 2 IoCs
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
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Detects executables packed with or use KoiVM 1 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Windows security modification 2 TTPs 3 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe"C:\Users\Admin\AppData\Local\Temp\b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oswicnuz.z2z.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/3308-9-0x00007FFB278C0000-0x00007FFB28381000-memory.dmpFilesize
10.8MB
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memory/3308-26-0x00007FFB278C0000-0x00007FFB28381000-memory.dmpFilesize
10.8MB
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memory/3308-8-0x0000024A6F4F0000-0x0000024A6F512000-memory.dmpFilesize
136KB
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memory/3308-11-0x0000024A6F520000-0x0000024A6F530000-memory.dmpFilesize
64KB
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memory/3308-12-0x0000024A6F520000-0x0000024A6F530000-memory.dmpFilesize
64KB
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memory/4728-5-0x0000020BB60C0000-0x0000020BB60C6000-memory.dmpFilesize
24KB
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memory/4728-1-0x00007FFB278C3000-0x00007FFB278C5000-memory.dmpFilesize
8KB
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memory/4728-6-0x0000020BCEA80000-0x0000020BCEB14000-memory.dmpFilesize
592KB
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memory/4728-0-0x0000020BB4570000-0x0000020BB457C000-memory.dmpFilesize
48KB
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memory/4728-4-0x00007FFB278C0000-0x00007FFB28381000-memory.dmpFilesize
10.8MB
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memory/4728-27-0x00007FFB278C0000-0x00007FFB28381000-memory.dmpFilesize
10.8MB
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memory/4728-3-0x0000020BB60E0000-0x0000020BB60FE000-memory.dmpFilesize
120KB
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memory/4728-2-0x0000020BCEA00000-0x0000020BCEA76000-memory.dmpFilesize
472KB
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memory/4772-25-0x0000000005410000-0x0000000005476000-memory.dmpFilesize
408KB
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memory/4772-7-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4772-22-0x00000000059C0000-0x0000000005F64000-memory.dmpFilesize
5.6MB
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memory/4772-10-0x000000007484E000-0x000000007484F000-memory.dmpFilesize
4KB
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memory/4772-28-0x0000000006320000-0x0000000006370000-memory.dmpFilesize
320KB
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memory/4772-29-0x0000000006410000-0x00000000064AC000-memory.dmpFilesize
624KB
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memory/4772-30-0x00000000069D0000-0x0000000006A62000-memory.dmpFilesize
584KB
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memory/4772-31-0x0000000006970000-0x000000000697A000-memory.dmpFilesize
40KB
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memory/4772-32-0x000000007484E000-0x000000007484F000-memory.dmpFilesize
4KB