666fdb01170c20ba8bf30acfeb53a949f2c66bf02dce15d95f5426d053b187af

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 07:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6fa03a7b41cce8f43089f6d8e85cb9a0N.exe
Size

44KB
MD5

6fa03a7b41cce8f43089f6d8e85cb9a0
SHA1

ccd08d959c00c6cb6412482450f56b7eb40f7978
SHA256

666fdb01170c20ba8bf30acfeb53a949f2c66bf02dce15d95f5426d053b187af
SHA512

b587edf452437670eacba4d75e14fa339b8cd328219e4db19305ba87ebc736f0e16c5cfa41cb092f14209775f0a9367b18894887f1db1e013e7ccacb786255bc
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNho:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYI

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3156	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3156	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	6fa03a7b41cce8f43089f6d8e85cb9a0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	6fa03a7b41cce8f43089f6d8e85cb9a0N.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	6fa03a7b41cce8f43089f6d8e85cb9a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 3156	3860	6fa03a7b41cce8f43089f6d8e85cb9a0N.exe	84
PID 3860 wrote to memory of 3156	3860	6fa03a7b41cce8f43089f6d8e85cb9a0N.exe	84
PID 3860 wrote to memory of 3156	3860	6fa03a7b41cce8f43089f6d8e85cb9a0N.exe	84

C:\Users\Admin\AppData\Local\Temp\6fa03a7b41cce8f43089f6d8e85cb9a0N.exe
"C:\Users\Admin\AppData\Local\Temp\6fa03a7b41cce8f43089f6d8e85cb9a0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3860
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3156

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
44KB

MD5
08efde9c1f0beab18a61030d9e31dabc

SHA1
0ebe549bd70317c8efbd12665cf3768ce9f1473e

SHA256
c13c02c7e078571e9adcfc1a57b3e6187bee02bfb4eae5e2d8b487fd6bf24aff

SHA512
e82e756337c55ad73629aa031b2ec7f44003bbd47073fdde49ecfd32d143e80b18db24dbd83c25c56ce43b6a17046a37cb0b3db54c329150f9ed88d701559555

Download Submit
memory/3156-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3860-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3860-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads