71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 22:56

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General

Target

71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe
Size

49KB
MD5

52fd769110d3ec86f76f33dbc493fdec
SHA1

875f3205c27b008aee0708faed76de2a10188840
SHA256

71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091
SHA512

250f358696588190c27a4f68ca998bef9b89f84f67f7dbc27cff9071bfa220477f5f2e97bb96ba4203dd192db2fad4bb543c8196edd4dfc69d3acd2299921334
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIr:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVV

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2764	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.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	71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 2764	4484	71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe	83
PID 4484 wrote to memory of 2764	4484	71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe	83
PID 4484 wrote to memory of 2764	4484	71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe	83

C:\Users\Admin\AppData\Local\Temp\71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe
"C:\Users\Admin\AppData\Local\Temp\71c282ce8a6ddc4d089669e81b3ec6c84059678fe630c387faefbca862521091.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2764

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
49KB

MD5
e7033172993562cbaeff91ac27b73cc8

SHA1
cc7dd0372871c0e1084bd8108201fbcff0a0c2ba

SHA256
38e9aae346d44f893caeb2e16f71a9653c1e991184b868996f476a55c1d3d257

SHA512
95cd730c32c3c32d730afdf54b46a0382fd4b95aa0c3f82a327302d37adb7e5bb03a7b6e5182de87fec4326165e32d87af7b7395b65e15d4de45f8ab4834a0b2

Download Submit
memory/2764-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

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

Filesize
12KB

Download
memory/4484-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads