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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
17/10/2024, 08:19
Static task
static1
Behavioral task
behavioral1
Sample
5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
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Size
56KB
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MD5
5158d8d70b950bb864423bca80b809ca
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SHA1
df6077f120092cb9e131feef0605cda3ba6c1979
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SHA256
23d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3
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SHA512
1e85455969ea6d11a1fc013ddcd395e38afbb690d3fee0c1f281d93311e0caeb3f7e4f7000fbec7811b9a6819ddb806d1b92e71cb349c845df61bc327609f8fa
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SSDEEP
768:bKh7PU5H1xSHEBIuM8+SwZMNUyvsUxdY7GPyir5KIExlkAM7U3ta5p:ePIucIVULv1mlUXw90
Malware Config
Extracted
xtremerat
nait.no-ip.biz
Signatures
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Detect XtremeRAT payload 8 IoCs
resource yara_rule behavioral1/memory/380-6-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/380-5-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/484-9-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/380-13-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2392-12-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2392-15-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/484-17-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral1/memory/2392-18-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} notepad.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" notepad.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe" svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" notepad.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" notepad.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\InstallDir\Server.exe notepad.exe File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2296 set thread context of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 -
resource yara_rule behavioral1/memory/380-2-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/380-4-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/380-6-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/380-5-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/484-9-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/380-13-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2392-12-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2392-15-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/484-17-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral1/memory/2392-18-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 2392 notepad.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 2296 wrote to memory of 380 2296 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 30 PID 380 wrote to memory of 484 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 31 PID 380 wrote to memory of 484 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 31 PID 380 wrote to memory of 484 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 31 PID 380 wrote to memory of 484 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 31 PID 380 wrote to memory of 484 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 31 PID 380 wrote to memory of 2392 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 32 PID 380 wrote to memory of 2392 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 32 PID 380 wrote to memory of 2392 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 32 PID 380 wrote to memory of 2392 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 32 PID 380 wrote to memory of 2392 380 5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:484
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C:\Windows\SysWOW64\notepad.exenotepad.exe3⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2392
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
56KB
MD55158d8d70b950bb864423bca80b809ca
SHA1df6077f120092cb9e131feef0605cda3ba6c1979
SHA25623d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3
SHA5121e85455969ea6d11a1fc013ddcd395e38afbb690d3fee0c1f281d93311e0caeb3f7e4f7000fbec7811b9a6819ddb806d1b92e71cb349c845df61bc327609f8fa