91609856f53d49204e1584bc842266a10ed60d18c5c41f55c817df94662db75d

Analysis

max time kernel
119s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 08:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

357b3abb7e9dcad0aa35793b9576e210N.exe
Size

51KB
MD5

357b3abb7e9dcad0aa35793b9576e210
SHA1

83b6b8268b10f264846dac656ab90659dbda01fe
SHA256

91609856f53d49204e1584bc842266a10ed60d18c5c41f55c817df94662db75d
SHA512

7b88f1fc064be9de0f997e950970d7c58256c65ee07572318827fe097c443358a3fa1ba32b67e4b5143a55a253bbfe16ad11fe51c114b78c4f434f93a3c2edc0
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIw:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVu

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4688	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4688	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	357b3abb7e9dcad0aa35793b9576e210N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	357b3abb7e9dcad0aa35793b9576e210N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	357b3abb7e9dcad0aa35793b9576e210N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 4688	2100	357b3abb7e9dcad0aa35793b9576e210N.exe	83
PID 2100 wrote to memory of 4688	2100	357b3abb7e9dcad0aa35793b9576e210N.exe	83
PID 2100 wrote to memory of 4688	2100	357b3abb7e9dcad0aa35793b9576e210N.exe	83

C:\Users\Admin\AppData\Local\Temp\357b3abb7e9dcad0aa35793b9576e210N.exe
"C:\Users\Admin\AppData\Local\Temp\357b3abb7e9dcad0aa35793b9576e210N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4688

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
52KB

MD5
52f9826237308a6b13b8c858fd6bb669

SHA1
7e86384daf2c1ce7a5134155525ddf633c16a55a

SHA256
b9554be02c1dbfe39d714ac60e5ea8ddbed0a874211843740ff965b63b691192

SHA512
052ceb210c5cc291308a7ab8f7c4866f02d7bf94c468bf0e335649eca9e34876ae6ed3fe6d55ce390cb7c506928044b890d1a2477a5dec5ef536f1b8261de015

Download Submit
memory/2100-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2100-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4688-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4688-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads