Analysis
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max time kernel
140s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-03-2024 15:13
Static task
static1
Behavioral task
behavioral1
Sample
beee421f170be70ca4efd8b81940e18b.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
beee421f170be70ca4efd8b81940e18b.exe
Resource
win10v2004-20240226-en
General
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Target
beee421f170be70ca4efd8b81940e18b.exe
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Size
701KB
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MD5
beee421f170be70ca4efd8b81940e18b
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SHA1
a124ee2194c9970275f2454899a5025f2887d9ad
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SHA256
407a175b3d9735477868deec5907b8e9703abcd76799529d9e2354bdddde550b
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SHA512
24e06abbf300b6da57e9617da07a89a404696cc6f97213d2c503ce2c90d49cc8186e2c8dfc49b9fc6172a69675b00ab298a34617bc1ae821af0a3854fe315893
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SSDEEP
12288:384PU9vPU9Cv2pzKuAcOsBgo0q4wMLxogW1No7SEwWQK8U8URpje0n4UO856uxEh:38AAcOsBgo0q4wMbW1AwTG8Uj4Kkbrh4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
PbQ)ubh9
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/2828-12-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
resource yara_rule behavioral2/memory/2408-7-0x0000000004690000-0x00000000046A2000-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-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 beee421f170be70ca4efd8b81940e18b.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 beee421f170be70ca4efd8b81940e18b.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 beee421f170be70ca4efd8b81940e18b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YJsqpmZ = "C:\\Users\\Admin\\AppData\\Roaming\\YJsqpmZ\\YJsqpmZ.exe" beee421f170be70ca4efd8b81940e18b.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2408 set thread context of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2408 beee421f170be70ca4efd8b81940e18b.exe 2828 beee421f170be70ca4efd8b81940e18b.exe 2828 beee421f170be70ca4efd8b81940e18b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2408 beee421f170be70ca4efd8b81940e18b.exe Token: SeDebugPrivilege 2828 beee421f170be70ca4efd8b81940e18b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2828 beee421f170be70ca4efd8b81940e18b.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2408 wrote to memory of 3952 2408 beee421f170be70ca4efd8b81940e18b.exe 104 PID 2408 wrote to memory of 3952 2408 beee421f170be70ca4efd8b81940e18b.exe 104 PID 2408 wrote to memory of 3952 2408 beee421f170be70ca4efd8b81940e18b.exe 104 PID 2408 wrote to memory of 2732 2408 beee421f170be70ca4efd8b81940e18b.exe 105 PID 2408 wrote to memory of 2732 2408 beee421f170be70ca4efd8b81940e18b.exe 105 PID 2408 wrote to memory of 2732 2408 beee421f170be70ca4efd8b81940e18b.exe 105 PID 2408 wrote to memory of 3412 2408 beee421f170be70ca4efd8b81940e18b.exe 106 PID 2408 wrote to memory of 3412 2408 beee421f170be70ca4efd8b81940e18b.exe 106 PID 2408 wrote to memory of 3412 2408 beee421f170be70ca4efd8b81940e18b.exe 106 PID 2408 wrote to memory of 3132 2408 beee421f170be70ca4efd8b81940e18b.exe 107 PID 2408 wrote to memory of 3132 2408 beee421f170be70ca4efd8b81940e18b.exe 107 PID 2408 wrote to memory of 3132 2408 beee421f170be70ca4efd8b81940e18b.exe 107 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 PID 2408 wrote to memory of 2828 2408 beee421f170be70ca4efd8b81940e18b.exe 108 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 beee421f170be70ca4efd8b81940e18b.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 beee421f170be70ca4efd8b81940e18b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"2⤵PID:3952
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C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"2⤵PID:2732
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C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"2⤵PID:3412
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C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"2⤵PID:3132
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C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"C:\Users\Admin\AppData\Local\Temp\beee421f170be70ca4efd8b81940e18b.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\beee421f170be70ca4efd8b81940e18b.exe.log
Filesize1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691