Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-06-2024 13:32
Static task
static1
Behavioral task
behavioral1
Sample
cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe
Resource
win10v2004-20240508-en
General
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Target
cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe
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Size
406KB
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MD5
6b5ea479b3d938f82138a3f456b9896b
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SHA1
f214db6c0dbe3d5ccd8215f585ccf749895acce3
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SHA256
cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a
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SHA512
54bd0667c7e7af04515841f6f2180a4119dfbd8a71a5569d622111275a771fd4c591df343ea246e7e9e2827a20794fb3d24b6a34fa28e826b26f5b951b0d2188
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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 3 3028 rundll32.exe 5 3028 rundll32.exe 6 3028 rundll32.exe 7 3028 rundll32.exe 8 3028 rundll32.exe 9 3028 rundll32.exe 10 3028 rundll32.exe 11 3028 rundll32.exe 13 3028 rundll32.exe 14 3028 rundll32.exe -
Deletes itself 1 IoCs
Processes:
hfjan.exepid process 2984 hfjan.exe -
Executes dropped EXE 1 IoCs
Processes:
hfjan.exepid process 2984 hfjan.exe -
Loads dropped DLL 6 IoCs
Processes:
cmd.exerundll32.exepid process 2352 cmd.exe 2352 cmd.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe -
Reads user/profile data of web browsers 2 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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\qknah\\uxylq.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) \??\e: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\z: 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 3028 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
hfjan.exedescription ioc process File opened for modification \??\c:\Program Files\qknah hfjan.exe File created \??\c:\Program Files\qknah\uxylq.dll hfjan.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 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe 3028 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 3028 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exehfjan.exepid process 1956 cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe 2984 hfjan.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.execmd.exehfjan.exedescription pid process target process PID 1956 wrote to memory of 2352 1956 cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe cmd.exe PID 1956 wrote to memory of 2352 1956 cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe cmd.exe PID 1956 wrote to memory of 2352 1956 cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe cmd.exe PID 1956 wrote to memory of 2352 1956 cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe cmd.exe PID 2352 wrote to memory of 2040 2352 cmd.exe PING.EXE PID 2352 wrote to memory of 2040 2352 cmd.exe PING.EXE PID 2352 wrote to memory of 2040 2352 cmd.exe PING.EXE PID 2352 wrote to memory of 2040 2352 cmd.exe PING.EXE PID 2352 wrote to memory of 2984 2352 cmd.exe hfjan.exe PID 2352 wrote to memory of 2984 2352 cmd.exe hfjan.exe PID 2352 wrote to memory of 2984 2352 cmd.exe hfjan.exe PID 2352 wrote to memory of 2984 2352 cmd.exe hfjan.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe PID 2984 wrote to memory of 3028 2984 hfjan.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe"C:\Users\Admin\AppData\Local\Temp\cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hfjan.exe "C:\Users\Admin\AppData\Local\Temp\cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\hfjan.exeC:\Users\Admin\AppData\Local\Temp\\hfjan.exe "C:\Users\Admin\AppData\Local\Temp\cc8058b2aa85f39a646fc8aefbe8ee4767af9ec8eb518af8fbbf501f1543566a.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\qknah\uxylq.dll",Verify C:\Users\Admin\AppData\Local\Temp\hfjan.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028
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
1Replay Monitor
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Downloads
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Filesize
228KB
MD5a242a7fe9b4977f52d3c9891859d9868
SHA1a30d80a3dc767c744060ffb962e1042a29dda8f1
SHA25604c89f73fea0170d66c72750eb798815f4d27e145add32f7864d7380e95f4c23
SHA5129538de9601faa6d03bfdeaa01240b7e96eebd23f87f365e1a736acb1fd2c15b6eb964f0ed4f108d219235daab3ccd6297e6873e7b1ae8582f32c3c67563116ca
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Filesize
407KB
MD57319a5611a2b46a5fa0cb2f695ef49db
SHA1520024775125825efc3e50420a7805680e64fcd4
SHA2565f418c9295722d3e6625286b47b801a80e29434cbf7ec1f9b1c5e53d3788f528
SHA5129332e86c804effef8a0465ad8dc205bd5b8de6140aeed62fa8229901f3658f58a5c48689f11feb939c074201f3417028639d2e81495f4e322193893f3ba101bd