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Analysis
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max time kernel
111s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2024, 01:06
Static task
static1
Behavioral task
behavioral1
Sample
775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe
Resource
win7-20240903-en
General
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Target
775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe
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Size
29KB
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MD5
4021659edbc7bacc6bcbda2675d35b41
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SHA1
d0c282f43cdc71c80f9a267d1fec97c303c92f52
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SHA256
775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741
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SHA512
d13ad42054cd9eb416a5f430ee4091c23470ead3dc60f55dfafdb3ee1e42adc64cc92738021ee441be9412f4b68c995e690f78a4be8982adf9ac7f3731fcdfd4
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SSDEEP
192:aKlVAf8427ZaO7qyybgJzWgOXaAUwlfBC04sxxDfjJFQ77bhei3i64m/zH:aEdzqg5GKhwlJCXOxFm7bhCm/zH
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
1qpxxBP5AbHZ - 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 864 created 3440 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.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 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.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 20 api.ipify.org 22 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 864 set thread context of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.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 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 4448 InstallUtil.exe 4448 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe Token: SeDebugPrivilege 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe Token: SeDebugPrivilege 4448 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82 PID 864 wrote to memory of 4448 864 775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe 82
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3440
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C:\Users\Admin\AppData\Local\Temp\775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.exe"C:\Users\Admin\AppData\Local\Temp\775a59d8a179f2af9729fc1b90fbb6753627dbfcb311f34c25bbd82b852e0741.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:864
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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:4448
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