Analysis
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max time kernel
125s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-09-2024 16:54
Static task
static1
Behavioral task
behavioral1
Sample
de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe
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Size
594KB
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MD5
de848d7a8fc498435755e7fd5bc0fc63
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SHA1
53e34f932a122265ea44b51449599d4417c18d64
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SHA256
54bf3d43081df1fe54973306d62bfe19fb27278c2248431095d1e953870dd09b
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SHA512
bce48b926aecee76874f5d9f720b563f643f74af0ba8e0d6408092dbb0bc42e31cfd775a625652b1b701ac149ae056da0bdaaef57f726a034e98e37a67b9c5f6
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SSDEEP
12288:8hATkOSjH7RS4p68WQyViGgaID4wBvRQao:aCS44dNyVitNvRQ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
78.142.19.101 - Port:
587 - Username:
[email protected] - Password:
8txksCN56
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/512-10-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3080 set thread context of 512 3080 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe 102 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 512 RegAsm.exe 512 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3080 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 512 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 512 RegAsm.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3080 wrote to memory of 512 3080 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe 102 PID 3080 wrote to memory of 512 3080 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe 102 PID 3080 wrote to memory of 512 3080 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe 102 PID 3080 wrote to memory of 512 3080 de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\de848d7a8fc498435755e7fd5bc0fc63_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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:512
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=3240 /prefetch:81⤵PID:3652