Analysis
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max time kernel
130s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 19:42
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
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Size
436KB
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MD5
3287ea0611a99696127d6412b3b30d71
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SHA1
8df36628bca0e17eb876a29063f01cc9ef33d596
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SHA256
c4f52f084ead43c02434a0cc01589b1ff470e57b5d67e1a551569f670f4283d9
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SHA512
31d99f27b11e561e2874ff5cc2536bbe7d4e2a1c0e7ee9ffec6f049f52925d90b27042f38fbaad5653f918276148f0b4e1a6333fa579f40a627faefe449289ac
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SSDEEP
6144:n1sDKdwpygrVDVtkoaV5gjVMCATZTO3L+nbU3xeJfU7/zS2KzYt1PYK:pdwp9VDVt/ECATZTO3LubU3IM7S2RQ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.thts.vn - Port:
587 - Username:
[email protected] - Password:
123luongngan1989 - 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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Agenttesla family
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-20-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-22-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/2816-24-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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 3 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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2548 set thread context of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1988 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2816 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 2816 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2816 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2816 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2548 wrote to memory of 1988 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 30 PID 2548 wrote to memory of 1988 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 30 PID 2548 wrote to memory of 1988 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 30 PID 2548 wrote to memory of 1988 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 30 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 PID 2548 wrote to memory of 2816 2548 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KScHvB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AB0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1988
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2816
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