f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 20:10

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General

Target

f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe
Size

24KB
MD5

b2abaf40a9b017a5f76e1770c0f9a6a0
SHA1

bee668815235ec35d4838da988f48c99f89fffdf
SHA256

f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5
SHA512

bb8f87cfca360fff30e00ca535d555f1a5d4b9eb46452dd0a6b3f2f412f71fadc598052f71065a866959348803a2038fc156ede84c00b692353f6ca2419fb32c
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IEhGOrlDth7h/IbjfhPhOh+wvahS:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wkJ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
868	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
868	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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.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	f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 868	2888	f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe	82
PID 2888 wrote to memory of 868	2888	f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe	82
PID 2888 wrote to memory of 868	2888	f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe	82

C:\Users\Admin\AppData\Local\Temp\f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe
"C:\Users\Admin\AppData\Local\Temp\f65453a57da2ab9c32b02711368cbe5a9d16f85fcfccf73b4ab7c0cd00d783c5N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:868

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
25KB

MD5
e7bdd901339489047dc00857ff9683c6

SHA1
d8343dc685b9a7465578cd12b7c4fa0bb1f71a18

SHA256
6808c5e2fdbfcafc2a40591c0857e07b7e7fc7a591d75b61915db6bb967a38a4

SHA512
5312c3e34b92ee11c86d0deee0aa73b26fee927a579f2a955635f821eea550b420a49886b7756e0c0a2a0795e2cd4c7b86bc570d594cc4d6deeef9ebe7a6eb02

Download Submit
memory/868-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2888-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2888-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads