Analysis
- max time kernel
134s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
21/10/2024, 12:45
General
- Target 66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe
- Size 835KB
- Sample241021-pzdfkatgrb
- SHA256 c1c1b1805bde95505778d0aaf0e8eef6e4fdf46600edaef7c4644cd3e78f633a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
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Port
587
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Username
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Password
joegrace2021
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIxfkBehsw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6E3.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\66bfe22d3758af1896a77358aba476cb_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
tmpD6E3.tmp
newapp.exe
memory/1340-26-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/1340-25-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/1340-24-0x0000000006750000-0x00000000067B6000-memory.dmp
memory/1340-23-0x0000000005E00000-0x0000000005E18000-memory.dmp
memory/1340-22-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/1340-20-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/1340-18-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2284-5-0x0000000005870000-0x000000000587A000-memory.dmp
memory/2284-21-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/2284-11-0x0000000007430000-0x00000000074C8000-memory.dmp
memory/2284-12-0x0000000009A90000-0x0000000009ACC000-memory.dmp
memory/2284-9-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/2284-8-0x0000000006C50000-0x0000000006C66000-memory.dmp
memory/2284-7-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/2284-10-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/2284-6-0x0000000005B40000-0x0000000005B96000-memory.dmp
memory/2284-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/2284-4-0x0000000005950000-0x00000000059E2000-memory.dmp
memory/2284-3-0x0000000005F00000-0x00000000064A4000-memory.dmp
memory/2284-2-0x00000000058B0000-0x000000000594C000-memory.dmp
memory/2284-1-0x0000000000DD0000-0x0000000000EA8000-memory.dmp