149de51d84ee7800afc13f835beff271c10c5764a5f11b65d013220e77791454

Analysis

max time kernel
119s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 04:07

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General

Target

7cdd9c652e445bc9c910f45f85b55c70N.exe
Size

63KB
MD5

7cdd9c652e445bc9c910f45f85b55c70
SHA1

17be3c4df55a1458df5b87f2491f67b098caa050
SHA256

149de51d84ee7800afc13f835beff271c10c5764a5f11b65d013220e77791454
SHA512

5b492c42fb386e24a9f01ab45a680a3a5382ec32514cae2ad7eebd177120ab9ddf77c804f23abedf79e411a95ad9656e468aa9a835733c1b40a1ba7bd20094ab
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJjWH0HNh3hOh67:lAo1lOwvlKlXBP6vghzwYu7vih9GueIO

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2576	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7cdd9c652e445bc9c910f45f85b55c70N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7cdd9c652e445bc9c910f45f85b55c70N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	7cdd9c652e445bc9c910f45f85b55c70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2576	1776	7cdd9c652e445bc9c910f45f85b55c70N.exe	84
PID 1776 wrote to memory of 2576	1776	7cdd9c652e445bc9c910f45f85b55c70N.exe	84
PID 1776 wrote to memory of 2576	1776	7cdd9c652e445bc9c910f45f85b55c70N.exe	84

C:\Users\Admin\AppData\Local\Temp\7cdd9c652e445bc9c910f45f85b55c70N.exe
"C:\Users\Admin\AppData\Local\Temp\7cdd9c652e445bc9c910f45f85b55c70N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2576

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
64KB

MD5
7fb4f396798d557d38a5c62c0109264e

SHA1
000de3dcace26fb44e0e0a5e6ca7c6ba3eb2a5cb

SHA256
856878f95a91edd9927ef703d1103b42cd2391da969028c656e9c1531f12f619

SHA512
688d8cac5a1e0fd5e4e3ce69b8cac9e80e25a316f80a2be76c6bba0e91630ea5ca5944c6f547da34de5ace76241b4254f6894a6640c43c17d3a4812c89ebd335

Download Submit
memory/1776-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1776-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2576-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads