Analysis
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max time kernel
140s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2023 00:44
Static task
static1
Behavioral task
behavioral1
Sample
cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe
Resource
win10v2004-20230915-en
General
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Target
cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe
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Size
607KB
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MD5
9dadfc8f01d8b789ce9267cc188591bb
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SHA1
79f2fe21dbd9f4618a60d9421b623b6cfdb6d924
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SHA256
cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687
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SHA512
14974449f4b048802cb4f95aef64bc3d789ee1a96c4dde03f0dab2654e7ff754873bbca454d2c65303ae5d40f9f46281d13b7f71d500b04a46354e3536f147bd
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SSDEEP
12288:zpUTErRtZC/CY5fdwZ0uYlR8gdV0Vj28EERjnd/gm5TD:NUiZC/CY5f6SHlR8gaj28Dv/gm5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
sh003.webhostbox.net - Port:
587 - Username:
[email protected] - Password:
blessing 2023 - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 45 api.ipify.org 46 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4720 set thread context of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 560 RegSvcs.exe 560 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe Token: SeDebugPrivilege 560 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 PID 4720 wrote to memory of 560 4720 cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe"C:\Users\Admin\AppData\Local\Temp\cd49b022411c34b834f765d874611467fe327f58a0d3c83cf33d78fb3989e687_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:560
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