Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
26/04/2023, 12:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
00437900113701.exe
Resource
win7-20230220-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
00437900113701.exe
Resource
win10v2004-20230220-en
9 signatures
150 seconds
General
- Target 00437900113701.exe
- Size 595KB
- Sample230426-peatyahb67
- SHA256 3caa5f70e285a2f721a9d8d16dbcdc56a5a9cc85463fca195baea784840f1650
- MD5 95215d87bc9e1265c3145b850f98407f
- SHA1 403575c1b4afe970e3b1f1baf63eda0692e82b03
- SHA512 77263321bc236aebfb7197b3c068e2ddd7d32f6ac6a536617e6b1326a46f051bb8e08019e05b5076e0401247fc224d7241eccbc8ba679bab6eb5eac0bbdee0b8
- SSDEEP 12288:r3wUNhcb485SzqMRjSHgL2YfKkHme/baW9M:rAqcTSTPL2YSImeA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
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Protocol
smtp
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Host
mail.harisisint.com
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Port
587
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Username
-
Password
olu chu kwu 554
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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 28 api.ipify.org 29 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1316 set thread context of 940 1316 00437900113701.exe 93 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1316 00437900113701.exe 1316 00437900113701.exe 1316 00437900113701.exe 1316 00437900113701.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1316 00437900113701.exe Token: SeDebugPrivilege 940 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1316 wrote to memory of 3364 1316 00437900113701.exe 92 PID 1316 wrote to memory of 3364 1316 00437900113701.exe 92 PID 1316 wrote to memory of 3364 1316 00437900113701.exe 92 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 PID 1316 wrote to memory of 940 1316 00437900113701.exe 93 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\00437900113701.exe"C:\Users\Admin\AppData\Local\Temp\00437900113701.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:3364
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:940
-