Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe
Resource
win10v2004-20241007-en
General
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Target
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe
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Size
201KB
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MD5
a168d232d532b83f51ef0c7f792d6b66
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SHA1
a874c62357d8340e9aef895f2aad41f80a7a38bb
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SHA256
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3
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SHA512
a9e9c37003db17d30dd976d68ff47439fb95993329c4e1cd4d7bf39b4a557441bba482d367c3047aa7ed2b332c630c123f34bf68402ef3c813852b1b3e1a297e
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
dbknl.exepid process 2000 dbknl.exe -
Executes dropped EXE 2 IoCs
Processes:
dbknl.exeauvysflu.exepid process 2000 dbknl.exe 2812 auvysflu.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exedbknl.exeauvysflu.exepid process 2336 cmd.exe 2336 cmd.exe 2000 dbknl.exe 2812 auvysflu.exe 2812 auvysflu.exe 2812 auvysflu.exe 2812 auvysflu.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:
auvysflu.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\\vqony\\auvysflu.exe \"c:\\Program Files\\vqony\\auvysflu.dll\",Compliance" auvysflu.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
auvysflu.exedescription ioc process File opened (read-only) \??\k: auvysflu.exe File opened (read-only) \??\p: auvysflu.exe File opened (read-only) \??\w: auvysflu.exe File opened (read-only) \??\a: auvysflu.exe File opened (read-only) \??\h: auvysflu.exe File opened (read-only) \??\j: auvysflu.exe File opened (read-only) \??\o: auvysflu.exe File opened (read-only) \??\u: auvysflu.exe File opened (read-only) \??\v: auvysflu.exe File opened (read-only) \??\i: auvysflu.exe File opened (read-only) \??\l: auvysflu.exe File opened (read-only) \??\m: auvysflu.exe File opened (read-only) \??\n: auvysflu.exe File opened (read-only) \??\s: auvysflu.exe File opened (read-only) \??\x: auvysflu.exe File opened (read-only) \??\y: auvysflu.exe File opened (read-only) \??\b: auvysflu.exe File opened (read-only) \??\e: auvysflu.exe File opened (read-only) \??\g: auvysflu.exe File opened (read-only) \??\q: auvysflu.exe File opened (read-only) \??\r: auvysflu.exe File opened (read-only) \??\t: auvysflu.exe File opened (read-only) \??\z: auvysflu.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:
auvysflu.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 auvysflu.exe -
Drops file in Program Files directory 4 IoCs
Processes:
dbknl.exedescription ioc process File created \??\c:\Program Files\vqony\auvysflu.exe dbknl.exe File opened for modification \??\c:\Program Files\vqony\auvysflu.exe dbknl.exe File opened for modification \??\c:\Program Files\vqony dbknl.exe File created \??\c:\Program Files\vqony\auvysflu.dll dbknl.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:
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.execmd.exePING.EXEdbknl.exeauvysflu.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.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 dbknl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language auvysflu.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 2336 cmd.exe 2916 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
auvysflu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 auvysflu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString auvysflu.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
auvysflu.exepid process 2812 auvysflu.exe 2812 auvysflu.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
auvysflu.exedescription pid process Token: SeDebugPrivilege 2812 auvysflu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exedbknl.exepid process 2504 be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe 2000 dbknl.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.execmd.exedbknl.exedescription pid process target process PID 2504 wrote to memory of 2336 2504 be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe cmd.exe PID 2504 wrote to memory of 2336 2504 be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe cmd.exe PID 2504 wrote to memory of 2336 2504 be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe cmd.exe PID 2504 wrote to memory of 2336 2504 be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe cmd.exe PID 2336 wrote to memory of 2916 2336 cmd.exe PING.EXE PID 2336 wrote to memory of 2916 2336 cmd.exe PING.EXE PID 2336 wrote to memory of 2916 2336 cmd.exe PING.EXE PID 2336 wrote to memory of 2916 2336 cmd.exe PING.EXE PID 2336 wrote to memory of 2000 2336 cmd.exe dbknl.exe PID 2336 wrote to memory of 2000 2336 cmd.exe dbknl.exe PID 2336 wrote to memory of 2000 2336 cmd.exe dbknl.exe PID 2336 wrote to memory of 2000 2336 cmd.exe dbknl.exe PID 2000 wrote to memory of 2812 2000 dbknl.exe auvysflu.exe PID 2000 wrote to memory of 2812 2000 dbknl.exe auvysflu.exe PID 2000 wrote to memory of 2812 2000 dbknl.exe auvysflu.exe PID 2000 wrote to memory of 2812 2000 dbknl.exe auvysflu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe"C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dbknl.exe "C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2336 -
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:2916 -
C:\Users\Admin\AppData\Local\Temp\dbknl.exeC:\Users\Admin\AppData\Local\Temp\\dbknl.exe "C:\Users\Admin\AppData\Local\Temp\be7fd299b3b066b3fec874e8a40dcb696b5794d56f259d63c03fd9a4650e5fe3.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:2000 -
\??\c:\Program Files\vqony\auvysflu.exe"c:\Program Files\vqony\auvysflu.exe" "c:\Program Files\vqony\auvysflu.dll",Compliance C:\Users\Admin\AppData\Local\Temp\dbknl.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:2812
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
141KB
MD5320bdea6c5aa47bc2e83b04270eec6e2
SHA1ec6c3e1cc582f051f39a8d2f632d504e7837ca97
SHA256d6e7aeeae73c39dbde62b6bec90ab9f090d3d673d483611f40f1d8b64ae87719
SHA512cdf63d90d91c194b03f15aff0224db1103efb78473e94a349503485f7b3ca24f80770a8ed9b1e0e4308f482a4dc23f77980ac68da4e2f5f787eb611cefa324a0
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
201KB
MD51d3f2129c5d0b9916203d948adb85d42
SHA113867783164c21061ba1e164d4ee5c383c765bc9
SHA256de8fd9bfcc99f6ca7689dec70c4d7bcfbd7bf841f7b640f9f257a73a32a84047
SHA512661b604406f432217797808c80fa1ba29d6579d50f29f193a396e859bf4fd8797a354e36f66fd354aedd628176fa21f33b3529d3eb26028258a11a20f2aa5b03