c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:54

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General

Target

c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe
Size

50KB
MD5

5967d6d4cc06e44c9b011f15394568cc
SHA1

ec5078de47939c33a76e9e7fabada29fe1b7c68d
SHA256

c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da
SHA512

f5405735727c37cf92f9c5dfbbb1928822cd3d6c2464fdd7cf160cec1d8dbb7621d9d9f95b2f7bc71d1151b49a2fc7b4431d7259b5510a9c2dfd98eedb1d3a6d
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIy:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV0

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4080	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4080	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 4080	1796	c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe	83
PID 1796 wrote to memory of 4080	1796	c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe	83
PID 1796 wrote to memory of 4080	1796	c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe	83

C:\Users\Admin\AppData\Local\Temp\c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe
"C:\Users\Admin\AppData\Local\Temp\c446a2a025d7a3a1ac261141faa1816caedf3efab41211a6409e7efebb8932da.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4080

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
50KB

MD5
b0b79ace1f31ddd0a5d660af0e173338

SHA1
c1e1445f7f1d82b9a8ae58040805229be0d28cd8

SHA256
783d4ba0e08c30cb0ae5c6f7546e7a8ecbcfc687999c37c4db05c97e24ad4c42

SHA512
b41a684bcb09158761543e13c11df637443c53f25b64897ee06c8b7f40740c8dbdd9663d19a37420388c07e90be60df6100e55630a4345b5897efc7fcf71e371

Download Submit
memory/1796-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1796-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4080-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads