Analysis
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max time kernel
164s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
01/11/2023, 11:33
Static task
static1
Behavioral task
behavioral1
Sample
4a77c707740eaa443b5849758c11385d.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
4a77c707740eaa443b5849758c11385d.exe
Resource
win10v2004-20231023-en
General
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Target
4a77c707740eaa443b5849758c11385d.exe
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Size
743KB
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MD5
4a77c707740eaa443b5849758c11385d
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SHA1
d2b7bdbd19fbc3cc8b4e8fc4a34efbfc0187bc69
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SHA256
d3b064dd11c1c634020c0c155bf9e33c1f0ad2fd8fc85eb1ffd44e05cfd4c291
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SHA512
ae1298f8a5d47327eb00eb9b697c50296ce6fb91aad74afbcd50641ebcdfa2a0974a9bfe3696ff91c14be9c74fe694579fd2388ecc6ea3506c743cb1108bc4a2
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SSDEEP
12288:suwas/16/YHmM9mARLAV+/3aI+sjbJj/R/A9UYX4Ef17FH+ajZBnxqh9SVrEsfO:s6s6cV9mA9ImKI+I1jZ/WUYo0x+ajZln
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
JUGCRsm9 - 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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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/3060-10-0x0000000007490000-0x00000000074FA000-memory.dmp family_zgrat_v1 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3060 set thread context of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3776 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 PID 3060 wrote to memory of 3776 3060 4a77c707740eaa443b5849758c11385d.exe 103 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4a77c707740eaa443b5849758c11385d.exe"C:\Users\Admin\AppData\Local\Temp\4a77c707740eaa443b5849758c11385d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060 -
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:3776
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