640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225a

Analysis

max time kernel
119s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 00:19

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General

Target

640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe
Size

68KB
MD5

b41deafd125389a654017ab2c8224770
SHA1

69020435c5d013c18d17b37fd29f7f6188933fd5
SHA256

640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225a
SHA512

dd8a1208ce12e9e84dfa3195d0c0e42ababe29b7eb34ff23383c456b899f9dfd15f10dc09420d590afac8e5757f6d5e499046a526e0744b30f29a322be68baf5
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIn:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4484	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4484	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.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	640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 4484	3604	640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe	83
PID 3604 wrote to memory of 4484	3604	640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe	83
PID 3604 wrote to memory of 4484	3604	640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe	83

C:\Users\Admin\AppData\Local\Temp\640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe
"C:\Users\Admin\AppData\Local\Temp\640ea2282b9e7a84f71dafb5c9221742ad7a151d3a49347c5155d73e6349225aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4484

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
68KB

MD5
fb1d6ba3d97197676d595e7fed946a08

SHA1
c3a487b045123d055502c3764bd664733b55c247

SHA256
55a40dda36a5f14f19dbb95c140fdd0e588040c7a7cd4d7aa40e10b470e85773

SHA512
702a19f6b280420d71fc8dab12b24978d28279fcce7ba43dc16fbebde38fb84658d3b20aaa7982a64e225f31b18085eed3cd036be3e81c4e8b02bc5e740b3dd0

Download Submit
memory/3604-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3604-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4484-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads