e520d0c425665f956cb80c6274266710933273ca9db7b9c61e2b09c2dac204c6

Analysis

max time kernel
119s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 12:56

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General

Target

e98ad85c6bfd5ae0d312131852f08fa0N.exe
Size

62KB
MD5

e98ad85c6bfd5ae0d312131852f08fa0
SHA1

d4b90f4d2728bede21d39bcb75a6f3dc77b2097d
SHA256

e520d0c425665f956cb80c6274266710933273ca9db7b9c61e2b09c2dac204c6
SHA512

fe785c641a5773b2e7648cbe6abd7ec8658236d19eda8ba1bc3bcaaa03802067bfed1d8b27f4fcfb8c0859b8a5b30f9b50e6417bcd23a856d7530c8db4902f6b
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhHhLhIn:lAo1lOwvlKlXBP6vghzwYu7vih9GueIJ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3824	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3824	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"	e98ad85c6bfd5ae0d312131852f08fa0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e98ad85c6bfd5ae0d312131852f08fa0N.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	e98ad85c6bfd5ae0d312131852f08fa0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 3824	936	e98ad85c6bfd5ae0d312131852f08fa0N.exe	84
PID 936 wrote to memory of 3824	936	e98ad85c6bfd5ae0d312131852f08fa0N.exe	84
PID 936 wrote to memory of 3824	936	e98ad85c6bfd5ae0d312131852f08fa0N.exe	84

C:\Users\Admin\AppData\Local\Temp\e98ad85c6bfd5ae0d312131852f08fa0N.exe
"C:\Users\Admin\AppData\Local\Temp\e98ad85c6bfd5ae0d312131852f08fa0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936
- 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:3824

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
62KB

MD5
2360ae7d5f405422c8e387970e9da09b

SHA1
fcfefa71ddd099dfe53d24e65314094c7e7945aa

SHA256
60ed6f074fb83e0242f39d6dc476c8ab38d11b095ed7930dc83c69eae2cd776f

SHA512
e7f5ec3ecf80af9e9b462e21e3cbb465a9e454f31c1d21cbe973abac004e651ebc17a8d928e5a7b4ee20958482c01c542f7055852c4d410d3764caaccf653897

Download Submit
memory/936-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/936-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3824-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads