Analysis
-
max time kernel
155s -
max time network
158s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 17:25
Static task
static1
Behavioral task
behavioral1
Sample
cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
Resource
win10v2004-20220812-en
General
-
Target
cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe
-
Size
170KB
-
MD5
04089bb15a915c801c49d538f2499cf9
-
SHA1
0b6a8a5663e028ebe8ce28d2d2607b42404edd2c
-
SHA256
cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3
-
SHA512
3e3cbb0d602dbbce710192d8082563c7c487320684959dbfc56bcaf0b7e824c1e629f96e83c510d247494846cb7cde1d8a4ebed62c50c26682cf5811edad065e
-
SSDEEP
3072:4bz+PMHBHC3sTuwBzjFqmV8C7X87KbecC1oAgtA8nfGc68JK0tI:4baPqBHwsTuK7V8CwwecpnfGJ8J
Malware Config
Extracted
xtremerat
trx3000.dyndns.biz
Signatures
-
Detect XtremeRAT payload 12 IoCs
resource yara_rule behavioral1/memory/1788-56-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/1788-57-0x000000001000C664-mapping.dmp family_xtremerat behavioral1/memory/1788-58-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/1788-61-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/1788-62-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/784-66-0x0000000000000000-mapping.dmp family_xtremerat behavioral1/memory/912-70-0x0000000000000000-mapping.dmp family_xtremerat behavioral1/memory/1788-71-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/912-73-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/784-74-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/912-76-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat behavioral1/memory/784-77-0x0000000010000000-0x0000000010047000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
-
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe" svchost.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E} calc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2G322806-LSB1-H68O-3UB5-J14X74R3834E}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart" calc.exe -
Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run calc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" calc.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run calc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" calc.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" svchost.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 288 set thread context of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\InstallDir\Server.exe calc.exe File created C:\Program Files (x86)\InstallDir\Server.exe calc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 912 calc.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 288 wrote to memory of 1788 288 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 28 PID 1788 wrote to memory of 784 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 29 PID 1788 wrote to memory of 784 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 29 PID 1788 wrote to memory of 784 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 29 PID 1788 wrote to memory of 784 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 29 PID 1788 wrote to memory of 784 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 29 PID 1788 wrote to memory of 912 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 30 PID 1788 wrote to memory of 912 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 30 PID 1788 wrote to memory of 912 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 30 PID 1788 wrote to memory of 912 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 30 PID 1788 wrote to memory of 912 1788 cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:288 -
C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"C:\Users\Admin\AppData\Local\Temp\cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
PID:784
-
-
C:\Windows\SysWOW64\calc.execalc.exe3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
PID:912
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
170KB
MD504089bb15a915c801c49d538f2499cf9
SHA10b6a8a5663e028ebe8ce28d2d2607b42404edd2c
SHA256cfc1a0788c151aa1b2cedc09e2db245d3e9b15398385a7f2eeeb23664ab144f3
SHA5123e3cbb0d602dbbce710192d8082563c7c487320684959dbfc56bcaf0b7e824c1e629f96e83c510d247494846cb7cde1d8a4ebed62c50c26682cf5811edad065e