Analysis
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max time kernel
139s -
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
03-04-2023 12:57
Static task
static1
Behavioral task
behavioral1
Sample
LOS No 140491194.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
LOS No 140491194.exe
Resource
win10v2004-20230220-en
General
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Target
LOS No 140491194.exe
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Size
676KB
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MD5
ba67bb555e5e1d845b4e549df2c8b493
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SHA1
ff966c9355cbc922e0eb162d8dae6db2244267da
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SHA256
5b58f94841a17d6f347c5d32f4ac2e2fb6d7e4954d65b5138ed7fb44c924c3a0
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SHA512
6414fcf1c07c6c6a78f0a71a040b2ad0df764ac59168b3fb49ccaafd4bdb356c3974710e8475d4bed37f22efc14967f6b9218d8f5d779ab05402cefc469a2bcc
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SSDEEP
12288:HKPFSPmnULyywVBGh0NaHo3EpGs3TH8HzZF/gxMdib/:HiFS2UDwVBNNYoUpZTcFg/z
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.harisisint.com - Port:
587 - Username:
[email protected] - Password:
olu chu kwu 554 - 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
Processes:
RegSvcs.exedescription 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.
Processes:
flow ioc 28 api.ipify.org 29 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
LOS No 140491194.exedescription pid process target process PID 4928 set thread context of 4660 4928 LOS No 140491194.exe RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4660 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
LOS No 140491194.exedescription pid process target process PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe PID 4928 wrote to memory of 4660 4928 LOS No 140491194.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription 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
Processes:
RegSvcs.exedescription 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\LOS No 140491194.exe"C:\Users\Admin\AppData\Local\Temp\LOS No 140491194.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4660
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4660-140-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/4660-146-0x0000000004F30000-0x0000000004F40000-memory.dmpFilesize
64KB
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memory/4660-145-0x0000000006A90000-0x0000000006C52000-memory.dmpFilesize
1.8MB
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memory/4660-144-0x0000000006820000-0x0000000006870000-memory.dmpFilesize
320KB
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memory/4660-143-0x0000000004F30000-0x0000000004F40000-memory.dmpFilesize
64KB
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memory/4660-142-0x0000000004E90000-0x0000000004EF6000-memory.dmpFilesize
408KB
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memory/4928-136-0x00000000054E0000-0x000000000557C000-memory.dmpFilesize
624KB
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memory/4928-139-0x0000000005680000-0x0000000005690000-memory.dmpFilesize
64KB
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memory/4928-138-0x0000000005680000-0x0000000005690000-memory.dmpFilesize
64KB
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memory/4928-137-0x00000000053B0000-0x00000000053BA000-memory.dmpFilesize
40KB
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memory/4928-133-0x0000000000970000-0x0000000000A1E000-memory.dmpFilesize
696KB
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memory/4928-135-0x0000000005440000-0x00000000054D2000-memory.dmpFilesize
584KB
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memory/4928-134-0x00000000059F0000-0x0000000005F94000-memory.dmpFilesize
5.6MB