Analysis
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max time kernel
149s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 03:08
Static task
static1
Behavioral task
behavioral1
Sample
0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe
Resource
win10v2004-20231215-en
General
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Target
0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe
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Size
403KB
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MD5
425368e2d60f948abb74bb3cc93140da
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SHA1
786a4092d9c50c39d28d30587ac62c9959c426e0
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SHA256
0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9
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SHA512
0b7eff963a9c9ef76f300167c6abf4108cdbe25a7456fbcabce51912f26ad68c16304a00e3cf24cec9198a631f3acfeb69f482ad881c4e817f9b389ebee84196
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4g:gtRfJcNYFNm8UhlZGseg
Malware Config
Signatures
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Blocklisted process makes network request 8 IoCs
flow pid Process 19 1048 rundll32.exe 36 1048 rundll32.exe 37 1048 rundll32.exe 38 1048 rundll32.exe 52 1048 rundll32.exe 55 1048 rundll32.exe 62 1048 rundll32.exe 67 1048 rundll32.exe -
Deletes itself 1 IoCs
pid Process 2060 htwqphui.exe -
Executes dropped EXE 1 IoCs
pid Process 2060 htwqphui.exe -
Loads dropped DLL 1 IoCs
pid Process 1048 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\uzvylbk\\hrbgzd.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.
description ioc Process File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\h: 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) \??\q: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\y: 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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1048 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\uzvylbk htwqphui.exe File created \??\c:\Program Files\uzvylbk\hrbgzd.dll htwqphui.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
pid Process 3076 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe 1048 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1048 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3160 0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe 2060 htwqphui.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3160 wrote to memory of 1160 3160 0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe 85 PID 3160 wrote to memory of 1160 3160 0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe 85 PID 3160 wrote to memory of 1160 3160 0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe 85 PID 1160 wrote to memory of 3076 1160 cmd.exe 87 PID 1160 wrote to memory of 3076 1160 cmd.exe 87 PID 1160 wrote to memory of 3076 1160 cmd.exe 87 PID 1160 wrote to memory of 2060 1160 cmd.exe 88 PID 1160 wrote to memory of 2060 1160 cmd.exe 88 PID 1160 wrote to memory of 2060 1160 cmd.exe 88 PID 2060 wrote to memory of 1048 2060 htwqphui.exe 89 PID 2060 wrote to memory of 1048 2060 htwqphui.exe 89 PID 2060 wrote to memory of 1048 2060 htwqphui.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe"C:\Users\Admin\AppData\Local\Temp\0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\htwqphui.exe "C:\Users\Admin\AppData\Local\Temp\0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:3076
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C:\Users\Admin\AppData\Local\Temp\htwqphui.exeC:\Users\Admin\AppData\Local\Temp\\htwqphui.exe "C:\Users\Admin\AppData\Local\Temp\0e095c3092315573dfadd39e8ca0d7f4d300f207837b8ae5f6e5412f906fbdd9.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\uzvylbk\hrbgzd.dll",Verify C:\Users\Admin\AppData\Local\Temp\htwqphui.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:1048
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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
403KB
MD55f006a15bce896b5fd55c1f6ccd0145e
SHA15f43113b9ec2598273f7533395005bfd41be6cfd
SHA2561b25acbc55a3c3755c440a2d38657fcefac1f6bed65561d26ee3655007d89f0c
SHA512bbe06e948ef9664533f0c3d654abbbd9fc21a6356d272ba9dc69bdde4da5e605fb954623e05f48edfc5023df373bc672d289e60de6170d0c325a24fcf8d34878
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Filesize
228KB
MD5697d489336b69a7f4844319211d15b6d
SHA1095b2e0de3ba398b7aa7a2d7937c8ac1d15bd406
SHA25615b3a9af168cd8f22d4dd35185b2c1856076b964fde89d4aada75805fa35d332
SHA512b11dff55e06a883c0cb4917e7475d03a4a81d4b4ee740ba7e1ecb75b99c16a0a10ba94c86124cddbfcebe6b79fd44aa9c0c9ae91bb19bc3054b10f238d6d6edf