Analysis
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max time kernel
136s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30-12-2023 23:54
Static task
static1
Behavioral task
behavioral1
Sample
20bb72f43d4d5802a1aced5b20f7139a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
20bb72f43d4d5802a1aced5b20f7139a.exe
Resource
win10v2004-20231222-en
General
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Target
20bb72f43d4d5802a1aced5b20f7139a.exe
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Size
1.3MB
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MD5
20bb72f43d4d5802a1aced5b20f7139a
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SHA1
36782372dc3e642d60ab9bf99ba2517ab0ccd814
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SHA256
a2091e110ed3e88a714edc6b5876dae81d4e7432f25764b391993ff234f663b1
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SHA512
7b81a68acacc9f3a050f52d777d57583ba24b56f437f8fb656c66c8e942b7e6d27030ac0030cb969bd76a041f94fea13766b41ba367a91654ce915a6ee98ee5b
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SSDEEP
24576:Iq1Om76DOZfx8Dgyfx8Dg/emuIgvkDok2uCev1chfujwDZI2L:Gm76w58Dgy58Dg/eIgcsLuCAifuUZF
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.privateemail.com - Port:
587 - Username:
[email protected] - Password:
orange@123
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 7 IoCs
resource yara_rule behavioral1/memory/2812-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2812-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2812-19-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2812-21-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2812-24-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2812-26-0x0000000004BF0000-0x0000000004C30000-memory.dmp family_agenttesla behavioral1/memory/2812-28-0x0000000004BF0000-0x0000000004C30000-memory.dmp family_agenttesla -
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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20bb72f43d4d5802a1aced5b20f7139a.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20bb72f43d4d5802a1aced5b20f7139a.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20bb72f43d4d5802a1aced5b20f7139a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1204 set thread context of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2580 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2812 20bb72f43d4d5802a1aced5b20f7139a.exe 2812 20bb72f43d4d5802a1aced5b20f7139a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2812 20bb72f43d4d5802a1aced5b20f7139a.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1204 wrote to memory of 2580 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 30 PID 1204 wrote to memory of 2580 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 30 PID 1204 wrote to memory of 2580 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 30 PID 1204 wrote to memory of 2580 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 30 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 PID 1204 wrote to memory of 2812 1204 20bb72f43d4d5802a1aced5b20f7139a.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20bb72f43d4d5802a1aced5b20f7139a.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 20bb72f43d4d5802a1aced5b20f7139a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20bb72f43d4d5802a1aced5b20f7139a.exe"C:\Users\Admin\AppData\Local\Temp\20bb72f43d4d5802a1aced5b20f7139a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PrxxmwvLNF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp275E.tmp"2⤵
- Creates scheduled task(s)
PID:2580
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C:\Users\Admin\AppData\Local\Temp\20bb72f43d4d5802a1aced5b20f7139a.exe"C:\Users\Admin\AppData\Local\Temp\20bb72f43d4d5802a1aced5b20f7139a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5fc845fb5f3fbf9f8f1feaf1883339287
SHA12c4a57e90093afdd6734be608c830e8e969f93c4
SHA256ba301cf01ce3a288900ce61fc340dd47fcb7ae6e8f4ff082fda35795bffea363
SHA512492c9cde07162be3a52e8992a3f32b87bf0cde742aa902bf51d1e954c3c91a2e053751b2ff6a1f86163133dae0bbda907bc03ae7a650f3deb6a61af2bc9736f2