9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551

Analysis

max time kernel
119s
max time network
96s
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, 03:29

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General

Target

9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe
Size

71KB
MD5

66333c05c512ad7549a1a7c3ea8e1539
SHA1

91b2ad1c94c4f13969f1d1e4b440197b2b9ed4b2
SHA256

9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551
SHA512

63ffa0aa394a4cad315603153cfe833d5f8f720cf3d5f3ab2b67770e292f9837685d7444a20943ce0eba91da110c64c2bc4048fc913371b4792b1eb86f7d0ae0
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIh:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVn

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2584	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.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	9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 2584	3996	9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe	84
PID 3996 wrote to memory of 2584	3996	9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe	84
PID 3996 wrote to memory of 2584	3996	9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe	84

C:\Users\Admin\AppData\Local\Temp\9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe
"C:\Users\Admin\AppData\Local\Temp\9893e3921bfc51431440677ab805a5c8cb77d0e1e2185038ed555e3d6c260551.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2584

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
71KB

MD5
d3714b9fd20a01697b2d08281c858f19

SHA1
eaedf673acc90af0e54603435a61d59d9ebc2d8e

SHA256
a1d4cc014a596a00830e01b6251687a08bffde115def2a5d3be42d02b5fff0e2

SHA512
1d1452effa3867069195916867866d31381b0f3df3896420c9b83227a2c160b01eba07a7b68654f0ba3c96969774b26489f409d92d8b9e1b517835879d407f13

Download Submit
memory/2584-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2584-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3996-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3996-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads