Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2025 01:20
Static task
static1
Behavioral task
behavioral1
Sample
caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe
Resource
win7-20240903-en
General
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Target
caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe
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Size
51KB
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MD5
b590cc8881bf3f255800f14cedd0dd57
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SHA1
19eb6694c13c1ad1be23d7425c2500c59090f30b
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SHA256
caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b
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SHA512
2a90a4ffb48a975d6c061cf618a23753f2b26082bb27e80567c09d16d1e87d104fe87ba0f18110ffe23858d758f689e62c155d8926ab824d644050d04621c233
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SSDEEP
384:DQc7UaUMrg7ilYqCndq5I16MjSj67WBTk0BthfifTZ2GShq6ki2lKxiIiW1sQS+1:EEDrgsCKc0Bvfr7F2zInyQS+ST6nkC1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
6RLYuUCIH8hN - 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 684 created 3568 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Current.vbs caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.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 16 api.ipify.org 17 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 684 set thread context of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 -
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 InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 2548 InstallUtil.exe 2548 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe Token: SeDebugPrivilege 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe Token: SeDebugPrivilege 2548 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82 PID 684 wrote to memory of 2548 684 caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe 82
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3568
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C:\Users\Admin\AppData\Local\Temp\caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.exe"C:\Users\Admin\AppData\Local\Temp\caf4b10a21b5f04dacde6d63508a7d37b7ae81d66a381e41be311c870d69a81b.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:684
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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:2548
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