63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4f

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
11/11/2024, 11:57

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General

Target
63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe
Size 26KB
Sample241111-n4yfvssmbr
SHA256 63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4f
MD5 6c87cee017cb316bce045bea015fe470
SHA1 ee8da807ded27fa825eb9e294d340f84e596c35d
SHA512 c970ef60906dfa36b70dfe5119b9b4c9139cddd74d68f184b6030e6ba3a5ce289a037db8485b8b23949922823de6d5e7fe1e4f6760e1492541eb3e86cd719a09
SSDEEP 768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IEhGOrhuH6SmEdtjHihnv9IPIKHH:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wk4
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3984	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3984	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.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	63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 3984	3484	63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe	83
PID 3484 wrote to memory of 3984	3484	63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe	83
PID 3484 wrote to memory of 3984	3484	63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe	83

C:\Users\Admin\AppData\Local\Temp\63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe
"C:\Users\Admin\AppData\Local\Temp\63323cb5acc29889a8f1588817c17bad11a439af9ed90770e8d999d3b9e1ce4fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3984

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

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 27KB
SHA256 130b0df0cdaa3e02362d138422b8ee61806355cc750e8882dcdf8752669618f9
MD5 d5a2b9777ab33018e1be74f57023b4e1
SHA1 c7637b9ae648114cad55212b84749ae647fb17ea
SHA512 5b9eef625ace71edc3f6efdf3fc7295b0904d68085dfbb1fd9881d07b712d26a9839749a216782f1ccb79387b838c5ee39d3f44f8ace7e8e3a7e5beb09d857ff
SSDEEP 768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IEhGOrhuH6SmEdtjHihnv9IPIKHP:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wk0
MD5 SHA1 SHA512 SSDEEP

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memory/3484-0-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/3484-5-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/3984-6-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/3984-7-0x0000000000400000-0x0000000000403000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads