Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe
Resource
win10v2004-20241007-en
General
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Target
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe
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Size
414KB
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MD5
456d433746127fea587949fe72d79c4e
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SHA1
3e710e3728e5754f1ad3c6386ec630df74834627
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SHA256
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba
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SHA512
41f98ab230c4aa45c47e434c02e26e147ab67b787e9719e821ec5222f5d4eafd1b6bcc80f0e439c609d0d2e82e08d0a1b7381a209d6363f66acc2b14a776cc7e
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
Processes:
rundll32.exeflow pid process 4 2652 rundll32.exe 5 2652 rundll32.exe 8 2652 rundll32.exe 9 2652 rundll32.exe 10 2652 rundll32.exe 13 2652 rundll32.exe 14 2652 rundll32.exe 15 2652 rundll32.exe 17 2652 rundll32.exe 18 2652 rundll32.exe -
Deletes itself 1 IoCs
Processes:
qkgwf.exepid process 2312 qkgwf.exe -
Executes dropped EXE 1 IoCs
Processes:
qkgwf.exepid process 2312 qkgwf.exe -
Loads dropped DLL 6 IoCs
Processes:
cmd.exerundll32.exepid process 2456 cmd.exe 2456 cmd.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.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:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\yaghewqu\\doyvi.dll\",Verify" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\w: rundll32.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:
rundll32.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 2652 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
qkgwf.exedescription ioc process File opened for modification \??\c:\Program Files\yaghewqu qkgwf.exe File created \??\c:\Program Files\yaghewqu\doyvi.dll qkgwf.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:
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.execmd.exePING.EXEqkgwf.exerundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.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 qkgwf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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 2456 cmd.exe 1560 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe 2652 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 2652 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exeqkgwf.exepid process 2344 8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe 2312 qkgwf.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.execmd.exeqkgwf.exedescription pid process target process PID 2344 wrote to memory of 2456 2344 8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe cmd.exe PID 2344 wrote to memory of 2456 2344 8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe cmd.exe PID 2344 wrote to memory of 2456 2344 8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe cmd.exe PID 2344 wrote to memory of 2456 2344 8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe cmd.exe PID 2456 wrote to memory of 1560 2456 cmd.exe PING.EXE PID 2456 wrote to memory of 1560 2456 cmd.exe PING.EXE PID 2456 wrote to memory of 1560 2456 cmd.exe PING.EXE PID 2456 wrote to memory of 1560 2456 cmd.exe PING.EXE PID 2456 wrote to memory of 2312 2456 cmd.exe qkgwf.exe PID 2456 wrote to memory of 2312 2456 cmd.exe qkgwf.exe PID 2456 wrote to memory of 2312 2456 cmd.exe qkgwf.exe PID 2456 wrote to memory of 2312 2456 cmd.exe qkgwf.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe PID 2312 wrote to memory of 2652 2312 qkgwf.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe"C:\Users\Admin\AppData\Local\Temp\8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qkgwf.exe "C:\Users\Admin\AppData\Local\Temp\8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2456 -
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:1560 -
C:\Users\Admin\AppData\Local\Temp\qkgwf.exeC:\Users\Admin\AppData\Local\Temp\\qkgwf.exe "C:\Users\Admin\AppData\Local\Temp\8408bd03b4305c3f9e8917541a2f06d789003acebca3332929630000301bedba.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2312 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\yaghewqu\doyvi.dll",Verify C:\Users\Admin\AppData\Local\Temp\qkgwf.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652
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
228KB
MD5c148b59ba9862ef690f49ebb92036bb8
SHA1d189177dd509c409f79d882ca7de064b7e2b91a4
SHA25609e5ba98965d2880304a032b5a9e9193ff98511675fef3c4c9837533557460be
SHA512f4e83ae248de3483b3a460c49327635a1abfc187090b26506640c6dff5b44288f11a73a8805efc4a3f6a396c55a39be903db5bb99ed06b7b0ece62483543c3e1
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Filesize
414KB
MD5158c47642b0a26e97e480a80595f2461
SHA1e1f4b81be2df863ffb04284474e7d96ad10e0f6c
SHA256d9290e257cfcdb41eb147946ca891f7eb3fa37b32b108b382c40aa00c99f2f20
SHA51219523937ea8e9ed7b9b75125c524e4134994f8e80cc3acbe424684a580667933a8b6bd414e7a0f38d76b12ebbba3dd1f703f31432dd821a934cb636caf0c2425