b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 10:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe
Size

78KB
MD5

6d89d9e1d6d42b45d662bdbb7db5a070
SHA1

506c839f9b47399bbbd688ffcd90ddcc2ec05af8
SHA256

b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f
SHA512

69210a0cfd74361a9b8d0fd17f2e55961ee5dc6de822d5b8f2b08dea31fcbe1fd8e3542d2387d7b40d63b5e57ba29151f82a2a83328473a00d803841760f8bce
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0njncnjjjjjjjjnjnjnjnjnjjjj:vAowVFgjQiUkEwtSXqhwDKopH0njncnH

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4828	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4828	4920	b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe	84
PID 4920 wrote to memory of 4828	4920	b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe	84
PID 4920 wrote to memory of 4828	4920	b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe	84

C:\Users\Admin\AppData\Local\Temp\b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe
"C:\Users\Admin\AppData\Local\Temp\b2d2a3eb71f5c8d3d4e8bea049b5d125f0e13d31746fa9be609d5c1f8a00381f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
78KB

MD5
ba7eb104267eb4939c99c5fdcb409f87

SHA1
c9900f710cc5fceb98c537b0f4b40026294f9321

SHA256
a6a58ddbcf5a7f4f36330a75da5ca78944468a5d7ef5f869b0c28eff8d6579ee

SHA512
6e56e2ef968a65acd4ec67bf553e51e9dfe468d8b0298f2be98003615696b184544c803ff06f4f9cac7ab46c384c48c5e2de2eb521b8e9e79ca3624b147f1fae

Download Submit
C:\Windows\microsofthelp.exe

Filesize
78KB

MD5
ba7eb104267eb4939c99c5fdcb409f87

SHA1
c9900f710cc5fceb98c537b0f4b40026294f9321

SHA256
a6a58ddbcf5a7f4f36330a75da5ca78944468a5d7ef5f869b0c28eff8d6579ee

SHA512
6e56e2ef968a65acd4ec67bf553e51e9dfe468d8b0298f2be98003615696b184544c803ff06f4f9cac7ab46c384c48c5e2de2eb521b8e9e79ca3624b147f1fae

Download Submit
memory/4828-137-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4828-138-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4920-132-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4920-136-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download