385d1c21fc5c3e52962281b6e16b0f4ff5a7b6a64d304367146ce150ac79ca20

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 20:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5183849cefcf6d824cbb088110dad67d.dll
Size

29KB
MD5

5183849cefcf6d824cbb088110dad67d
SHA1

9fe86f574996dc20f997878070539ebf5a6b1939
SHA256

385d1c21fc5c3e52962281b6e16b0f4ff5a7b6a64d304367146ce150ac79ca20
SHA512

f53572df115c1ebf4fd2dff8d115c617288cbf1e1aa3cf7cd831bcaaa21f5629a683c04958ea89f66c7234b03ed112cce7a537b5e66b89823e485b3f518ff433
SSDEEP

768:pW7SShHKE6ru8QAs3j3pdVJ14XJVfJ9RoKY/FcnbcuyD7Ul:pWGYHKo8G3jfVJ2JVB9Lnouy8

Score

8^/10

persistence upx

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NetDDT\Parameters\ServiceDll = "C:\\Windows\\system32\\msflxgrd.ocx.dll"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	svchost.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1692-3-0x0000000000110000-0x000000000012A000-memory.dmp	upx
behavioral1/memory/2240-7-0x0000000000150000-0x000000000016A000-memory.dmp	upx
behavioral1/memory/2240-9-0x0000000000150000-0x000000000016A000-memory.dmp	upx
behavioral1/memory/1692-8-0x0000000000110000-0x000000000012A000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msflxgrd.ocx.dll	rundll32.exe
File created	C:\Windows\SysWOW64\msflxgrd.ocx.dll	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16
PID 2848 wrote to memory of 1692	2848	rundll32.exe	16

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5183849cefcf6d824cbb088110dad67d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5183849cefcf6d824cbb088110dad67d.dll,#1
  2⤵
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  PID:1692

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:2240

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1692-0-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/1692-3-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/1692-2-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/1692-1-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/1692-8-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/1692-14-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/1692-13-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/1692-12-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/2240-7-0x0000000000150000-0x000000000016A000-memory.dmp

Filesize
104KB

Download
memory/2240-9-0x0000000000150000-0x000000000016A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads