Analysis
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max time kernel
113s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-12-2024 01:18
Static task
static1
Behavioral task
behavioral1
Sample
b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe
Resource
win7-20241010-en
General
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Target
b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe
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Size
487KB
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MD5
1981628b46d35395a53df3ebc0f5f50f
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SHA1
4d72a38820d511705bd27607dabab10ec110b702
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SHA256
b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e
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SHA512
2da0eb033038ee0d2584af277be48b701c70b30431a26bbb4902e5897985bfd3815d84a5f53274723c921f0cfd172eeacd0b5e2dd690c47f602e1f7ac8f3d283
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SSDEEP
12288:HdA7T9eILVu57Yahlh4R3lmTBENGPjPZ3hqMsPf8zja+TAX1xJ+rjDa7WcN6GLYv:uTBEuYvTY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
ABwuRZS5Mjh5 - 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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Agenttesla family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3636 created 3472 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Value.vbs b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe -
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 19 api.ipify.org 20 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3636 set thread context of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 4172 InstallUtil.exe 4172 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe Token: SeDebugPrivilege 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe Token: SeDebugPrivilege 4172 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84 PID 3636 wrote to memory of 4172 3636 b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe 84
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3472
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C:\Users\Admin\AppData\Local\Temp\b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe"C:\Users\Admin\AppData\Local\Temp\b2ed6a968a12c915ec5ee2ff4b53d79fb2ec8a7a33a4c630e6ad4af86cb5c23e.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4172
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