7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7

General

Target

7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe
Size

404KB
MD5

ca5999e2d3c582fa92722d9b34203dee
SHA1

49ac57b76ad3d64c6fb3c4ff92a2721ea5447ddd
SHA256

7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7
SHA512

524e7dcfed0b57c38dade9c5df00557deef51572224aabb918cb5d942a7a1a50374c9d46d9fa23d485a794ef41661987ac4bb1fcf881003c54b29f74fd65e258
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4I:gtRfJcNYFNm8UhlZGseI

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
3	2572	rundll32.exe
7	2572	rundll32.exe
8	2572	rundll32.exe
9	2572	rundll32.exe
10	2572	rundll32.exe
13	2572	rundll32.exe
14	2572	rundll32.exe
15	2572	rundll32.exe
17	2572	rundll32.exe
18	2572	rundll32.exe

Deletes itself 1 IoCs

Processes:

wlkautf.exe

pid process

2108 wlkautf.exe
Executes dropped EXE 1 IoCs

Processes:

wlkautf.exe

pid process

2108 wlkautf.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exerundll32.exe

pid process

1948 cmd.exe
1948 cmd.exe
2572 rundll32.exe
2572 rundll32.exe
2572 rundll32.exe
2572 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

pid	process
2108	wlkautf.exe

pid	process
2108	wlkautf.exe

pid	process
1948	cmd.exe
1948	cmd.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\vdmnrkt\\ngopa.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

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2572 rundll32.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

wlkautf.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\vdmnrkt	wlkautf.exe
File created	\??\c:\Program Files\vdmnrkt\ngopa.dll	wlkautf.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

Processes:

rundll32.exe

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

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1924 PING.EXE

pid	process
1924	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe
2572	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2572 rundll32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exewlkautf.exe

pid process

1504 7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe
2108 wlkautf.exe

description	pid	process
Token: SeDebugPrivilege	2572	rundll32.exe

pid	process
1504	7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe
2108	wlkautf.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.execmd.exewlkautf.exe

description	pid	process	target process
PID 1504 wrote to memory of 1948	1504	7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe	cmd.exe
PID 1504 wrote to memory of 1948	1504	7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe	cmd.exe
PID 1504 wrote to memory of 1948	1504	7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe	cmd.exe
PID 1504 wrote to memory of 1948	1504	7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe	cmd.exe
PID 1948 wrote to memory of 1924	1948	cmd.exe	PING.EXE
PID 1948 wrote to memory of 1924	1948	cmd.exe	PING.EXE
PID 1948 wrote to memory of 1924	1948	cmd.exe	PING.EXE
PID 1948 wrote to memory of 1924	1948	cmd.exe	PING.EXE
PID 1948 wrote to memory of 2108	1948	cmd.exe	wlkautf.exe
PID 1948 wrote to memory of 2108	1948	cmd.exe	wlkautf.exe
PID 1948 wrote to memory of 2108	1948	cmd.exe	wlkautf.exe
PID 1948 wrote to memory of 2108	1948	cmd.exe	wlkautf.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe
PID 2108 wrote to memory of 2572	2108	wlkautf.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe
"C:\Users\Admin\AppData\Local\Temp\7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wlkautf.exe "C:\Users\Admin\AppData\Local\Temp\7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:1924

C:\Users\Admin\AppData\Local\Temp\wlkautf.exe
C:\Users\Admin\AppData\Local\Temp\\wlkautf.exe "C:\Users\Admin\AppData\Local\Temp\7d54b601721550fb51f7fe9dfa6b3eacb8622993e28c19ce3387563dc80ab6c7.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108

\??\c:\windows\SysWOW64\rundll32.exe
c:\windows\system32\rundll32.exe "c:\Program Files\vdmnrkt\ngopa.dll",Verify C:\Users\Admin\AppData\Local\Temp\wlkautf.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:2572

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\wlkautf.exe
Filesize
404KB

MD5
b5e293384ac6a7588ec770153713a15f

SHA1
fc3d2c63c568d83bd6c71b67fe8a4e1edefedb29

SHA256
a9fc5919e705ce67544192a61b638b4f64f28167e0ff52e4f3891832311e05b5

SHA512
cd61036e908cfe900a06cdd2cddaa553bba9bb8c59e722b00626f7d8e4857e5bdcb0cc4a7779e293e7dfb23bcef9bab90c8e43682cc4a16479cb9314d91e8669

Download Submit
\??\c:\Program Files\vdmnrkt\ngopa.dll
Filesize
228KB

MD5
02fc389dc0addeda73524696326cc361

SHA1
b5597fee3704ff684b7c6c0c36ac9fd1ab9611ce

SHA256
62a658b877606211ae9011d870e5f455010ec2d1c8508227894017bbcd36dacb

SHA512
e26effb5b585bb9933ff3175b6cad4e120f1b2e42cd0bff63154778c058e2ce938d92be1cb87594925e1769af94ace5447758ad29ffde56d639e499461ea6def

Download Submit
memory/1504-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1504-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1948-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1948-7-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2108-8-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2108-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2572-17-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2572-18-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/2572-20-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads