71fc27db789a3f9748acefa1c70bca2a6d8467f979fc99a409272ef654f9b27f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 10:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

674f71b2b48443aa69cc14d1a22cecf9.exe
Size

144KB
MD5

674f71b2b48443aa69cc14d1a22cecf9
SHA1

add0f5d3daf0f63da5f4ebfc2b47d560ea1df4cc
SHA256

71fc27db789a3f9748acefa1c70bca2a6d8467f979fc99a409272ef654f9b27f
SHA512

f992b075d57b3a77df921a42c454427379362d92b9c92139c97ea4d29f56441abaa2693c18534d73448e9106529b09d2dde330999fef5683b04d03dd7508c4e3
SSDEEP

3072:htqQUzfxR0IGcCs9O19GsURaOcitY9tdwLi0+EF6RAn:htqQ6PRD9OebIOc8YEgRE

Score

8^/10

persistence

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\LanmanServer\Parameters\ServiceDll = "C:\\Windows\\system32\\Webclient.dll"	674f71b2b48443aa69cc14d1a22cecf9.exe

Deletes itself 1 IoCs

pid	Process
2188	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Webclient.dll	674f71b2b48443aa69cc14d1a22cecf9.exe
File created	C:\Windows\SysWOW64\Webclient.dll	674f71b2b48443aa69cc14d1a22cecf9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2188	1900	674f71b2b48443aa69cc14d1a22cecf9.exe	16
PID 1900 wrote to memory of 2188	1900	674f71b2b48443aa69cc14d1a22cecf9.exe	16
PID 1900 wrote to memory of 2188	1900	674f71b2b48443aa69cc14d1a22cecf9.exe	16
PID 1900 wrote to memory of 2188	1900	674f71b2b48443aa69cc14d1a22cecf9.exe	16

C:\Users\Admin\AppData\Local\Temp\674f71b2b48443aa69cc14d1a22cecf9.exe
"C:\Users\Admin\AppData\Local\Temp\674f71b2b48443aa69cc14d1a22cecf9.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\674F71~1.EXE
  2⤵
  - Deletes itself
  PID:2188

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/1900-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads