Analysis
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max time kernel
131s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 11:42
Static task
static1
Behavioral task
behavioral1
Sample
1ba78cc61dcd5a846639762fb954d1de.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1ba78cc61dcd5a846639762fb954d1de.exe
Resource
win10v2004-20231222-en
General
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Target
1ba78cc61dcd5a846639762fb954d1de.exe
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Size
1.3MB
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MD5
1ba78cc61dcd5a846639762fb954d1de
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SHA1
80eb96d449d0e676c6bb608b7787834e80ca84e4
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SHA256
a4bb03a910b76efa7a34c7eb0554be36011abadbf0ec37055de74b0e7879582e
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SHA512
475c4237fa19f57e301e5e1a7487a201238952aca4d764d837979effb84071e968c6e119b180712a65144e88fff48a7702ccc6ed1bc015e887ae2a6ce0e77f70
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SSDEEP
24576:SWS/d32KzksSks2y8jA9aJu65iyxQogKVBtMN6ZNmZ:vKrQ9VZo7JIN6ZNm
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.barigarabia.com - Port:
587 - Username:
[email protected] - Password:
ZdexWDrMLSb=
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2656-18-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2656-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2656-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2656-11-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2656-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
resource yara_rule behavioral1/memory/2228-3-0x0000000000350000-0x0000000000362000-memory.dmp CustAttr -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ba78cc61dcd5a846639762fb954d1de.exe Key opened \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ba78cc61dcd5a846639762fb954d1de.exe Key opened \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ba78cc61dcd5a846639762fb954d1de.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" 1ba78cc61dcd5a846639762fb954d1de.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2228 set thread context of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2656 1ba78cc61dcd5a846639762fb954d1de.exe 2656 1ba78cc61dcd5a846639762fb954d1de.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2656 1ba78cc61dcd5a846639762fb954d1de.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2656 1ba78cc61dcd5a846639762fb954d1de.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 PID 2228 wrote to memory of 2656 2228 1ba78cc61dcd5a846639762fb954d1de.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ba78cc61dcd5a846639762fb954d1de.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ba78cc61dcd5a846639762fb954d1de.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe"C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe"C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2656
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