Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
05-06-2024 10:16
Static task
static1
Behavioral task
behavioral1
Sample
97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe
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Size
1.6MB
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MD5
97d7e0f3669ddf08027a7ada03c62a99
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SHA1
e19dc412d6fff89f5e75f17dcf7e8d3b094c7c84
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SHA256
f1332073600660a4fe428ae27d87f47ca5d64fd00b6ba471176861462d914f28
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SHA512
a4b8bed1c46ac0716d0c2cef53155f9d46515effb462c2db5a547c349a45d4e83a717f7f1d29e182cbf90c211bc6e6f2cdefd6c2ddf9625c5524af60e8af78fb
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SSDEEP
24576:tAHnh+eWsN3skA4RV1Hom2KXFmIau7bpSx11GQuJGCSMmht6yRkhoX1LmS5:Mh+ZkldoPK1XauvUxHFxSyq2H
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 3 IoCs
resource yara_rule behavioral1/memory/2316-3-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2316-7-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2316-6-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla -
Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\igaGKoluPk.url 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe -
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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyApp\\MyApp.exe" RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 checkip.amazonaws.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/1368-8-0x00000000002A0000-0x0000000000434000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1368 set thread context of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2316 RegAsm.exe 2316 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2316 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2316 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 PID 1368 wrote to memory of 2316 1368 97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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:2316
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