66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30/04/2024, 04:14

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General

Target

66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe
Size

405KB
MD5

b0dc9fc44932fde91d8130be82c7cc48
SHA1

5b5d527a73d060c10cdbd28234df038b6319d665
SHA256

66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b
SHA512

3e4231a6584615602cff1a5b4caddebfeaca3cd4e12afafe3623a62c290b26fef59e9799dc646c3db6d661d53111988b8990b801a10cb82e5341ca8b923387c0
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4w:gtRfJcNYFNm8UhlZGsew

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
3	2664	rundll32.exe
9	2664	rundll32.exe
10	2664	rundll32.exe
11	2664	rundll32.exe
16	2664	rundll32.exe
17	2664	rundll32.exe
18	2664	rundll32.exe
19	2664	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3652	dggmk.exe

Executes dropped EXE 1 IoCs

pid	Process
3652	dggmk.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\qjbup\\dudlx.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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\k:	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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2664	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\qjbup	dggmk.exe
File created	\??\c:\Program Files\qjbup\dudlx.dll	dggmk.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
996	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe
2664	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4796	66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe
3652	dggmk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 2204	4796	66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe	85
PID 4796 wrote to memory of 2204	4796	66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe	85
PID 4796 wrote to memory of 2204	4796	66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe	85
PID 2204 wrote to memory of 996	2204	cmd.exe	88
PID 2204 wrote to memory of 996	2204	cmd.exe	88
PID 2204 wrote to memory of 996	2204	cmd.exe	88
PID 2204 wrote to memory of 3652	2204	cmd.exe	90
PID 2204 wrote to memory of 3652	2204	cmd.exe	90
PID 2204 wrote to memory of 3652	2204	cmd.exe	90
PID 3652 wrote to memory of 2664	3652	dggmk.exe	91
PID 3652 wrote to memory of 2664	3652	dggmk.exe	91
PID 3652 wrote to memory of 2664	3652	dggmk.exe	91

C:\Users\Admin\AppData\Local\Temp\66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe
"C:\Users\Admin\AppData\Local\Temp\66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dggmk.exe "C:\Users\Admin\AppData\Local\Temp\66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:996
- - C:\Users\Admin\AppData\Local\Temp\dggmk.exe
    C:\Users\Admin\AppData\Local\Temp\\dggmk.exe "C:\Users\Admin\AppData\Local\Temp\66bdb89f17bad70a10215aef53cd016922cb796da8db2d4cf8afb0d68a90519b.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3652
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\qjbup\dudlx.dll",Verify C:\Users\Admin\AppData\Local\Temp\dggmk.exe
      4⤵
      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:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dggmk.exe

Filesize
405KB

MD5
200c60dc87278763f2357ea6a04fe08d

SHA1
8579b7cd20e05b470d8faf7890387a8b5fe6ccf8

SHA256
bf4fe3db7dd07192a7a86b21981ebca46b42689da754fd442a50fe0ea55f6c3d

SHA512
e45b2f98a922d2f37c899fe3fc082b2ad4fc9a8b6bf24c3fa31af0b472df5fe46c4a5a83052ac061783fb1bee5c0ccebed2d8a2e5a539f4e4023d0331989cc45

Download Submit
\??\c:\Program Files\qjbup\dudlx.dll

Filesize
228KB

MD5
b48c9fc1de154e4fc4dd057e83fdc84d

SHA1
8d7fdd3c6266b5e50613b508a4de7f820b4c58f8

SHA256
b69d6a154ff395d133059a18e2635098b40a427762a72d6271e3d86d21a4cd26

SHA512
3f4344cac2352b49aca00f89ce5286560baf7581b2243f910e712c1ea70003be185152a8a53d94ccf9bdf9382cec953a5232e6891d89ca33ef1c3897e3e9ec22

Download Submit
memory/2664-10-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2664-11-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2664-13-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/3652-7-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4796-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4796-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download