Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 07:21
Static task
static1
Behavioral task
behavioral1
Sample
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
Resource
win10v2004-20240419-en
General
-
Target
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
-
Size
404KB
-
MD5
d1cc50cc989327483ed464a6ce575c42
-
SHA1
af5609dafec8a1c9a481a4a78134d11e77cb61f4
-
SHA256
29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1
-
SHA512
def72c27a497f1a14a48b52a4dd216eae4d480e0740a024382b3d85bf41806552763b608724b927153777030eb0ff45c62fe2b299fde810ca9818b1673dd1fc0
-
SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse
Malware Config
Signatures
-
Blocklisted process makes network request 8 IoCs
flow pid Process 21 4800 rundll32.exe 27 4800 rundll32.exe 28 4800 rundll32.exe 29 4800 rundll32.exe 43 4800 rundll32.exe 44 4800 rundll32.exe 57 4800 rundll32.exe 72 4800 rundll32.exe -
Deletes itself 1 IoCs
pid Process 4632 eplqf.exe -
Executes dropped EXE 1 IoCs
pid Process 4632 eplqf.exe -
Loads dropped DLL 1 IoCs
pid Process 4800 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\fudki\\ptoeb.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) \??\b: rundll32.exe File opened (read-only) \??\g: 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) \??\o: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: 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 4800 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification \??\c:\Program Files\fudki eplqf.exe File created \??\c:\Program Files\fudki\ptoeb.dll eplqf.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 2592 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe 4800 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4800 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3428 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 4632 eplqf.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3428 wrote to memory of 540 3428 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 86 PID 3428 wrote to memory of 540 3428 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 86 PID 3428 wrote to memory of 540 3428 29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe 86 PID 540 wrote to memory of 2592 540 cmd.exe 89 PID 540 wrote to memory of 2592 540 cmd.exe 89 PID 540 wrote to memory of 2592 540 cmd.exe 89 PID 540 wrote to memory of 4632 540 cmd.exe 92 PID 540 wrote to memory of 4632 540 cmd.exe 92 PID 540 wrote to memory of 4632 540 cmd.exe 92 PID 4632 wrote to memory of 4800 4632 eplqf.exe 94 PID 4632 wrote to memory of 4800 4632 eplqf.exe 94 PID 4632 wrote to memory of 4800 4632 eplqf.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eplqf.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2592
-
-
C:\Users\Admin\AppData\Local\Temp\eplqf.exeC:\Users\Admin\AppData\Local\Temp\\eplqf.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4632 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\fudki\ptoeb.dll",Verify C:\Users\Admin\AppData\Local\Temp\eplqf.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:4800
-
-
-
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
Loading Replay Monitor...
Downloads
-
Filesize
405KB
MD5ef33a10348b5944638fbd90597d37939
SHA18ffb0295eabf61cd58c04b35076abaa83d5eba80
SHA25696c413ca05c9c790bee250a41aa4609bde50d1d44cfd9f97bebea5ab27fb2cd4
SHA512f83dd53f2107b5822f3158d6c55f3ee36b3dc7ec4a098221759248ce4df3f989257341d559c84cfe4cbad51a10b21854a29fd984f0dce31956fc96c483829a67
-
Filesize
228KB
MD57e85818a39c86dacda7a3958e6459a49
SHA1d70010aaa892415c1bf0104e8497323047dfc220
SHA256c6ba78d14b81cccb4bc9c8330fa08218a0bf4f4be0e907cae5b4516ad22cda1e
SHA51207237a948dace08e30847f0fc61141d0c547f4c83ab59adb71b0bc150fb7527356e3de18370eaa1e4e39f1b30cabcc7cbb2b6d3279f12de81bc60af33e633d08