Analysis
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max time kernel
149s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 19:02
Static task
static1
Behavioral task
behavioral1
Sample
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
Resource
win10v2004-20241007-en
General
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Target
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
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Size
200KB
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MD5
d98619bc24fd77f98f278340da8a74e4
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SHA1
b8c0e4b1236cea49adf6c88196f98fdfdf4f8dfe
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SHA256
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae
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SHA512
dd27d281ee17ff03308663ffea2a5ce7d0b670d23f33f3ae7d360da22a31ca30efbd624e219096011a2ae1f0730e1561a3fa31c664bd6607b42f05e08a1e0636
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
afyha.exepid process 3044 afyha.exe -
Executes dropped EXE 2 IoCs
Processes:
afyha.exeyarqtg.exepid process 3044 afyha.exe 2288 yarqtg.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exeafyha.exeyarqtg.exepid process 2552 cmd.exe 2552 cmd.exe 3044 afyha.exe 2288 yarqtg.exe 2288 yarqtg.exe 2288 yarqtg.exe 2288 yarqtg.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:
yarqtg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\xwyds\\yarqtg.exe \"c:\\Program Files\\xwyds\\yarqtg.dll\",Compliance" yarqtg.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
yarqtg.exedescription ioc process File opened (read-only) \??\i: yarqtg.exe File opened (read-only) \??\k: yarqtg.exe File opened (read-only) \??\m: yarqtg.exe File opened (read-only) \??\a: yarqtg.exe File opened (read-only) \??\e: yarqtg.exe File opened (read-only) \??\h: yarqtg.exe File opened (read-only) \??\t: yarqtg.exe File opened (read-only) \??\u: yarqtg.exe File opened (read-only) \??\x: yarqtg.exe File opened (read-only) \??\y: yarqtg.exe File opened (read-only) \??\z: yarqtg.exe File opened (read-only) \??\b: yarqtg.exe File opened (read-only) \??\j: yarqtg.exe File opened (read-only) \??\p: yarqtg.exe File opened (read-only) \??\o: yarqtg.exe File opened (read-only) \??\v: yarqtg.exe File opened (read-only) \??\q: yarqtg.exe File opened (read-only) \??\r: yarqtg.exe File opened (read-only) \??\s: yarqtg.exe File opened (read-only) \??\w: yarqtg.exe File opened (read-only) \??\g: yarqtg.exe File opened (read-only) \??\l: yarqtg.exe File opened (read-only) \??\n: yarqtg.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:
yarqtg.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 yarqtg.exe -
Drops file in Program Files directory 4 IoCs
Processes:
afyha.exedescription ioc process File opened for modification \??\c:\Program Files\xwyds afyha.exe File created \??\c:\Program Files\xwyds\yarqtg.dll afyha.exe File created \??\c:\Program Files\xwyds\yarqtg.exe afyha.exe File opened for modification \??\c:\Program Files\xwyds\yarqtg.exe afyha.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:
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.execmd.exePING.EXEafyha.exeyarqtg.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.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 afyha.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yarqtg.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 2552 cmd.exe 1808 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
yarqtg.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 yarqtg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString yarqtg.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
yarqtg.exepid process 2288 yarqtg.exe 2288 yarqtg.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
yarqtg.exedescription pid process Token: SeDebugPrivilege 2288 yarqtg.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exeafyha.exepid process 3048 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe 3044 afyha.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.execmd.exeafyha.exedescription pid process target process PID 3048 wrote to memory of 2552 3048 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 3048 wrote to memory of 2552 3048 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 3048 wrote to memory of 2552 3048 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 3048 wrote to memory of 2552 3048 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 2552 wrote to memory of 1808 2552 cmd.exe PING.EXE PID 2552 wrote to memory of 1808 2552 cmd.exe PING.EXE PID 2552 wrote to memory of 1808 2552 cmd.exe PING.EXE PID 2552 wrote to memory of 1808 2552 cmd.exe PING.EXE PID 2552 wrote to memory of 3044 2552 cmd.exe afyha.exe PID 2552 wrote to memory of 3044 2552 cmd.exe afyha.exe PID 2552 wrote to memory of 3044 2552 cmd.exe afyha.exe PID 2552 wrote to memory of 3044 2552 cmd.exe afyha.exe PID 3044 wrote to memory of 2288 3044 afyha.exe yarqtg.exe PID 3044 wrote to memory of 2288 3044 afyha.exe yarqtg.exe PID 3044 wrote to memory of 2288 3044 afyha.exe yarqtg.exe PID 3044 wrote to memory of 2288 3044 afyha.exe yarqtg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\afyha.exe "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2552 -
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:1808 -
C:\Users\Admin\AppData\Local\Temp\afyha.exeC:\Users\Admin\AppData\Local\Temp\\afyha.exe "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.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:3044 -
\??\c:\Program Files\xwyds\yarqtg.exe"c:\Program Files\xwyds\yarqtg.exe" "c:\Program Files\xwyds\yarqtg.dll",Compliance C:\Users\Admin\AppData\Local\Temp\afyha.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:2288
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
200KB
MD571a6e791da0e2361758f6d82438983b8
SHA1d0430065575d1c471d15b8fdc8b390f772afc24b
SHA256c50a9db55a54edcbc3e5ab5cc7c4ebae0da7b7f7b734bb18ef0af21cfae09ff5
SHA5120316dc59c521a6925f3b0b3f6b20a72b008e30a477aabfe695e9747d5be2e034422cc7742bf8fcbc327a3f67781a866c602f2b534c3b934883bea5e7983b5b58
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Filesize
141KB
MD5750d77c4006aff78ed6c21d4885f9604
SHA1a7b89fd44d65a2ff823a6e7642354182957cc48c
SHA2566ae9b1eacdd0b282047bf024732679d26ef1e8f8418458b593a8d1da1a0bcc5d
SHA51268763415db57be55ad84259930cc546606db8297531dfc3f513da28fd6ea15aa9d68a0e52527bbab52ef2fb1d428a34bdeb0481d42e7e3fc474de349fb5cbd99
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d