Analysis
-
max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2024 04:25
Static task
static1
Behavioral task
behavioral1
Sample
fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe
-
Size
915KB
-
MD5
fdcb53a86670d5782e0ac4c069537b00
-
SHA1
36ddd04877b999473cf4e46b94f5330a559257cd
-
SHA256
7566294be06c8142dd6574ef56767f90a424edb4b8a21058bf8aea868c9c3cc3
-
SHA512
7c515e97f4ec22f0f103df8def0f934304a441149ffbac88adacf125873ce589282a1ae60e36dc5d6b8346ce369648d8883cce16dbd669bf115052357d288a49
-
SSDEEP
12288:xur8TrIF6cjKY+0b2NY5CDPvb7HJTfon0IFR5xvGCzBGWNZ5vSy6M:AD6cjv+0b2NY5sZon0I71AE
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1583923195:AAHUT4ueKfg_YIXfpMplquY6eX1fVChpGQQ/sendDocument
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/3160-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/4180-8-0x0000000005B50000-0x0000000005B68000-memory.dmp net_reactor -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4180 set thread context of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.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 2316 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 3160 RegSvcs.exe 3160 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe Token: SeDebugPrivilege 3160 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4180 wrote to memory of 2316 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 91 PID 4180 wrote to memory of 2316 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 91 PID 4180 wrote to memory of 2316 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 91 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 PID 4180 wrote to memory of 3160 4180 fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe 93 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fdcb53a86670d5782e0ac4c069537b00_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fdcb53a86670d5782e0ac4c069537b00_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
PID:4180 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NXciAkPU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB188.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2316
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3160
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5a225aef4944ea16947954d5629a30286
SHA1dddfacd8285eafd07324dce44c587263c3ccf75e
SHA25628fcf964ea2c95c7fb92353bdf7cdc9932bf6299e49be5170cdb41a1530a7789
SHA5124f856ffbae475cd463a7b8df13839ec9d39e13222489d2ff57dc56807dd356755164e9019134097160018d46cdafbcc331e331615c7ae5937d620d4bb493430d