c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfae

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:18

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General

Target

c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe
Size

51KB
MD5

6f681ad3c7aba1d3d8207a57aff92e30
SHA1

895a66a77c5f9633bb689a51df8ed4f80d267a96
SHA256

c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfae
SHA512

1b80f09fa764918d3e45f65d1e5778dd8c26f2abf3e7c92d07c170086616e4556ecac2326c53b4fe55191adbf4626c3dfac85116de72e8be34bea9aefd2336c8
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johChPhnhHuv/HWq:E1oEFlt6vghzwYu7vih9GueIh9j2IoHV

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3680	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3680	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"	c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.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	c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 3680	4004	c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe	83
PID 4004 wrote to memory of 3680	4004	c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe	83
PID 4004 wrote to memory of 3680	4004	c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe	83

C:\Users\Admin\AppData\Local\Temp\c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe
"C:\Users\Admin\AppData\Local\Temp\c93a9f71be84ef03665091fa1e79f10048937113f9719dd737898a42935bbfaeN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- 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:3680

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
51KB

MD5
3b54ba8d6aaed33578bce1498b786332

SHA1
ab27e0991588755c9ec2ab6f3b6869c9b92d7b06

SHA256
06814c8e27ebead2fae861882b5edc225365551ca05c545f759ed6ff6d27d216

SHA512
450bc7589b27c56aac8f6d26d0f0ae3d19436908bcbe7393b5a8b76b951d1ee5c8fa81d42e1fbd31dafbc885d3c4497e5f497f68f8d13d3ac1794130c4f561b9

Download Submit
memory/3680-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4004-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4004-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads