Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 05:39
Static task
static1
Behavioral task
behavioral1
Sample
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe
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Size
697KB
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MD5
ad07926d2c8d7fedd597679324dffb5f
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SHA1
4fbce051729777098f6f801ec7cb263e70abab5e
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SHA256
b0810703cc36dba94108ad74d91031ac6c7a07ad87b702b8725bb9b94f263b5c
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SHA512
855b866aacb8f92353c5589d030a2ee156aa0cc3b682899b86602e023bf13c105420bf5b319f180df06baa782125545dfd3c602ead92b80d754bc82727dc10a4
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SSDEEP
12288:v+v2zv1gPFpOQWLkeqMBIfF7+GdKwOenwDkYrI6rf/lT0Q1YpOOqkttybw:Z2dQ1YABU+O6ewDkYc6m3ttys
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.nusatek.com - Port:
587 - Username:
[email protected] - Password:
nusatek187753d
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2992-20-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/2992-29-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/2992-18-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/2992-26-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/2992-24-0x0000000000400000-0x0000000000466000-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
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\yZBPl = "C:\\Users\\Admin\\AppData\\Roaming\\yZBPl\\yZBPl.exe" ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription pid process target process PID 1244 set thread context of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exepid process 2992 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe 2992 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 2992 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exepid process 2992 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription pid process target process PID 1244 wrote to memory of 2592 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe schtasks.exe PID 1244 wrote to memory of 2592 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe schtasks.exe PID 1244 wrote to memory of 2592 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe schtasks.exe PID 1244 wrote to memory of 2592 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe schtasks.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe PID 1244 wrote to memory of 2992 1244 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
outlook_office_path 1 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe -
outlook_win_path 1 IoCs
Processes:
ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ieuxuL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AC.tmp"2⤵
- Creates scheduled task(s)
PID:2592 -
C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ad07926d2c8d7fedd597679324dffb5f_JaffaCakes118.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:2992
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD59ca20b92cc87f14c9e91d1560ef8d99a
SHA11e8fea5a82639757b09029c5f93a44376170e8a8
SHA25617d307444b9a946c743c992a46c35ec8cf25ac47d927d5a31ae5742ef0d378e5
SHA512ab1c19db2821c3af58a5c07a4981539b33534cdaf6695121138483bf5c2012005a94a68802f35864e3ddef5523ccc7fc84be6b52dc0a7c6f8f1eae172eaf1660