Analysis
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max time kernel
109s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/10/2024, 01:27
Static task
static1
Behavioral task
behavioral1
Sample
eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe
Resource
win10v2004-20241007-en
General
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Target
eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe
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Size
368KB
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MD5
8abe17eb6af4673e7f67edc5f44ff5f0
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SHA1
ade3ad178d66f2216e69703bd09196c91de8b21f
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SHA256
eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9
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SHA512
43423c1e15cca744a5baba44332f201b832bda36e06f0598aa3e57c06ff0d34e7d21cd09e03f4683d1c6d983f8efb0697558ed664ecebde405cbd5cd3b49c19a
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SSDEEP
6144:5JgmYA/nVA9JATAoQSHBjQP/sC94mrJx2XtjXmK6cAQJNElb6dPURN5Fpg:3gmYA/n0eDBjQPphdxmj2LcAEmlb+UpE
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2888 eburj.exe -
Executes dropped EXE 2 IoCs
pid Process 2888 eburj.exe 1720 sruy.exe -
Loads dropped DLL 7 IoCs
pid Process 2740 cmd.exe 2740 cmd.exe 2888 eburj.exe 1720 sruy.exe 1720 sruy.exe 1720 sruy.exe 1720 sruy.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\ProMark = "c:\\Program Files\\ojenhlnx\\sruy.exe \"c:\\Program Files\\ojenhlnx\\sruyq.dll\",Clean" sruy.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\q: sruy.exe File opened (read-only) \??\v: sruy.exe File opened (read-only) \??\w: sruy.exe File opened (read-only) \??\a: sruy.exe File opened (read-only) \??\b: sruy.exe File opened (read-only) \??\p: sruy.exe File opened (read-only) \??\i: sruy.exe File opened (read-only) \??\j: sruy.exe File opened (read-only) \??\m: sruy.exe File opened (read-only) \??\e: sruy.exe File opened (read-only) \??\g: sruy.exe File opened (read-only) \??\h: sruy.exe File opened (read-only) \??\r: sruy.exe File opened (read-only) \??\u: sruy.exe File opened (read-only) \??\x: sruy.exe File opened (read-only) \??\y: sruy.exe File opened (read-only) \??\k: sruy.exe File opened (read-only) \??\l: sruy.exe File opened (read-only) \??\o: sruy.exe File opened (read-only) \??\z: sruy.exe File opened (read-only) \??\n: sruy.exe File opened (read-only) \??\s: sruy.exe File opened (read-only) \??\t: sruy.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 sruy.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification \??\c:\Program Files\ojenhlnx\sruy.exe eburj.exe File opened for modification \??\c:\Program Files\ojenhlnx eburj.exe File created \??\c:\Program Files\ojenhlnx\sruyq.dll eburj.exe File created \??\c:\Program Files\ojenhlnx\sruy.exe eburj.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eburj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sruy.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2800 PING.EXE 2740 cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 sruy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString sruy.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2800 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1720 sruy.exe 1720 sruy.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1720 sruy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2132 eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe 2888 eburj.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2132 wrote to memory of 2740 2132 eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe 30 PID 2132 wrote to memory of 2740 2132 eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe 30 PID 2132 wrote to memory of 2740 2132 eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe 30 PID 2132 wrote to memory of 2740 2132 eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe 30 PID 2740 wrote to memory of 2800 2740 cmd.exe 32 PID 2740 wrote to memory of 2800 2740 cmd.exe 32 PID 2740 wrote to memory of 2800 2740 cmd.exe 32 PID 2740 wrote to memory of 2800 2740 cmd.exe 32 PID 2740 wrote to memory of 2888 2740 cmd.exe 33 PID 2740 wrote to memory of 2888 2740 cmd.exe 33 PID 2740 wrote to memory of 2888 2740 cmd.exe 33 PID 2740 wrote to memory of 2888 2740 cmd.exe 33 PID 2888 wrote to memory of 1720 2888 eburj.exe 34 PID 2888 wrote to memory of 1720 2888 eburj.exe 34 PID 2888 wrote to memory of 1720 2888 eburj.exe 34 PID 2888 wrote to memory of 1720 2888 eburj.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe"C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eburj.exe "C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2800
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C:\Users\Admin\AppData\Local\Temp\eburj.exeC:\Users\Admin\AppData\Local\Temp\\eburj.exe "C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888 -
\??\c:\Program Files\ojenhlnx\sruy.exe"c:\Program Files\ojenhlnx\sruy.exe" "c:\Program Files\ojenhlnx\sruyq.dll",Clean C:\Users\Admin\AppData\Local\Temp\eburj.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
160KB
MD5ec0280ba74e4f78ece9216706d8fbc2b
SHA1ebdbcce6aa6b5fb8a3073c85e38529796b4dbff7
SHA256ba1ff98a41c1f4d8182c051909ea89272c08eabc9d17a142d44de9546ea95259
SHA5127d948ac9f833138c5e66e29d8697d60f53496ca6ce6ed6445d398fc944df67e590d574c748f1b591d3179eea27a360cb8b449d4f9125f61c269b6494d7a83c8b
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
369KB
MD56b0cfa90ec0c55ae9e7c1cf1f896d56c
SHA13d7869aba1b2016c18ccaa5c73901fae94b1167d
SHA256edb635314d194b4ea93f9c8abcae39cb48c54625f6fa7e9fa20269ca0287f979
SHA51268f3526a821b21f27c7a0ec7b1760951e6859898f5627499d72bedfb682192038735f85a19885fab2357dc5d3fdcae96fe3d28880d739143df266b3e32de981a