Analysis
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max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 00:37
Behavioral task
behavioral1
Sample
142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe
Resource
win7-20240903-en
General
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Target
142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe
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Size
211KB
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MD5
67e5b8043a3a69d26258bb6bfea57a90
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SHA1
ecfa6e4a55c54f73e157bf77533084c2652ea211
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SHA256
142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43
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SHA512
50eefaf8453e8f084ca7466a5e2f68c8afdb41d975cd40fd7b9b287ab5257adb57f7c85677d6562d9a9ca3c6081e0dbae0b74b2237e6608c3cd3df9c591f4eab
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SSDEEP
6144:9H9y4eoyiCzd11YA53/vkNI+uuu7iDgbzzWoOd1ZKb:l9eVz5Y6/cNKlD+o61Z0
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
yugdomyw.exepid process 1712 yugdomyw.exe -
Executes dropped EXE 2 IoCs
Processes:
yugdomyw.exevnft.exepid process 1712 yugdomyw.exe 2036 vnft.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exeyugdomyw.exevnft.exepid process 2228 cmd.exe 2228 cmd.exe 1712 yugdomyw.exe 2036 vnft.exe 2036 vnft.exe 2036 vnft.exe 2036 vnft.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
Processes:
vnft.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\HTML = "c:\\Program Files\\jlqrgomf\\vnft.exe \"c:\\Program Files\\jlqrgomf\\vnftj.dll\",PraseHTML" vnft.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
vnft.exedescription ioc process File opened (read-only) \??\a: vnft.exe File opened (read-only) \??\e: vnft.exe File opened (read-only) \??\h: vnft.exe File opened (read-only) \??\n: vnft.exe File opened (read-only) \??\x: vnft.exe File opened (read-only) \??\y: vnft.exe File opened (read-only) \??\i: vnft.exe File opened (read-only) \??\j: vnft.exe File opened (read-only) \??\o: vnft.exe File opened (read-only) \??\q: vnft.exe File opened (read-only) \??\u: vnft.exe File opened (read-only) \??\w: vnft.exe File opened (read-only) \??\g: vnft.exe File opened (read-only) \??\k: vnft.exe File opened (read-only) \??\p: vnft.exe File opened (read-only) \??\r: vnft.exe File opened (read-only) \??\s: vnft.exe File opened (read-only) \??\t: vnft.exe File opened (read-only) \??\v: vnft.exe File opened (read-only) \??\b: vnft.exe File opened (read-only) \??\l: vnft.exe File opened (read-only) \??\m: vnft.exe File opened (read-only) \??\z: vnft.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.
Processes:
vnft.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 vnft.exe -
Processes:
resource yara_rule behavioral1/memory/2124-1-0x0000000000400000-0x000000000047301E-memory.dmp upx \Users\Admin\AppData\Local\Temp\yugdomyw.exe upx behavioral1/memory/1712-11-0x0000000000400000-0x000000000047301E-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
Processes:
yugdomyw.exedescription ioc process File created \??\c:\Program Files\jlqrgomf\vnft.exe yugdomyw.exe File opened for modification \??\c:\Program Files\jlqrgomf\vnft.exe yugdomyw.exe File opened for modification \??\c:\Program Files\jlqrgomf yugdomyw.exe File created \??\c:\Program Files\jlqrgomf\vnftj.dll yugdomyw.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.
Processes:
142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.execmd.exePING.EXEyugdomyw.exevnft.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.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 yugdomyw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnft.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 2228 cmd.exe 2280 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
vnft.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 vnft.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString vnft.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vnft.exepid process 2036 vnft.exe 2036 vnft.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
vnft.exedescription pid process Token: SeDebugPrivilege 2036 vnft.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exeyugdomyw.exepid process 2124 142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe 1712 yugdomyw.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.execmd.exeyugdomyw.exedescription pid process target process PID 2124 wrote to memory of 2228 2124 142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe cmd.exe PID 2124 wrote to memory of 2228 2124 142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe cmd.exe PID 2124 wrote to memory of 2228 2124 142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe cmd.exe PID 2124 wrote to memory of 2228 2124 142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe cmd.exe PID 2228 wrote to memory of 2280 2228 cmd.exe PING.EXE PID 2228 wrote to memory of 2280 2228 cmd.exe PING.EXE PID 2228 wrote to memory of 2280 2228 cmd.exe PING.EXE PID 2228 wrote to memory of 2280 2228 cmd.exe PING.EXE PID 2228 wrote to memory of 1712 2228 cmd.exe yugdomyw.exe PID 2228 wrote to memory of 1712 2228 cmd.exe yugdomyw.exe PID 2228 wrote to memory of 1712 2228 cmd.exe yugdomyw.exe PID 2228 wrote to memory of 1712 2228 cmd.exe yugdomyw.exe PID 1712 wrote to memory of 2036 1712 yugdomyw.exe vnft.exe PID 1712 wrote to memory of 2036 1712 yugdomyw.exe vnft.exe PID 1712 wrote to memory of 2036 1712 yugdomyw.exe vnft.exe PID 1712 wrote to memory of 2036 1712 yugdomyw.exe vnft.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe"C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\yugdomyw.exe "C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2228 -
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:2280 -
C:\Users\Admin\AppData\Local\Temp\yugdomyw.exeC:\Users\Admin\AppData\Local\Temp\\yugdomyw.exe "C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.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:1712 -
\??\c:\Program Files\jlqrgomf\vnft.exe"c:\Program Files\jlqrgomf\vnft.exe" "c:\Program Files\jlqrgomf\vnftj.dll",PraseHTML C:\Users\Admin\AppData\Local\Temp\yugdomyw.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:2036
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
Loading Replay Monitor...
Downloads
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Filesize
149KB
MD523386ecde7d91eeaf4cfa0be224b942c
SHA1beaa11fc1c58e502376a4ebab7c2e1cc0308df27
SHA2562f3b7b38042c2e86d577247b0dc531f6835de434246ec58ae9f182f0489368a7
SHA512166bd7a99a5068283d15274c9abc51564afad8da6bfef8c219848aaecf49e4bbaa84b4fe5371369a4e74f18cfb39d71f722e4aff7dd63670245f63a67375a72f
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
211KB
MD5127fa1e1e7ac8952ec58ccfe7f3993b4
SHA11435c4ff9b18a1e5c89582f3e0f81fb0154e4080
SHA2565929c98f656a53d085c1a97e8bba813c4d5f7697f163b05fa564331ccab0c70c
SHA51235c237d546e3d6ee9e68d6a4e71225fa1841f4972879aa91289bb037734120d819293a55d521cf4a1080da57853c7c08810341cdc7502d63fdfdbe290272352a