4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e

Analysis

max time kernel
149s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 21:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe
Size

67KB
MD5

c3822413944dc954866b5a74a1216698
SHA1

699933dd68634451c51d1e9801bc2c358beae00a
SHA256

4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e
SHA512

27e3c8a354dd412861bb3223aec95a66239810811ba1711ea03e795a08ca5ef3323e4758482fe7ab0ef51551d350ec0c54bebfc2fe635f5d4bce49584c847004
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhHhLhIKN:NAoglOwvl4ulkP6vghzwYu7vih9GueIe

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4444	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4444	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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.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	4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4444	212	4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe	82
PID 212 wrote to memory of 4444	212	4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe	82
PID 212 wrote to memory of 4444	212	4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe	82

C:\Users\Admin\AppData\Local\Temp\4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe
"C:\Users\Admin\AppData\Local\Temp\4aa9461d02b00552efcdce9bea358a47c2f43cf1a3da487835f3ca9e5743108e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:212
- 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:4444

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
67KB

MD5
9ff51a3ef03c61acd4c4cd405549ad8a

SHA1
db9fb7a54300a4f8533a433277f6442b23b61360

SHA256
bf04b04d8ae94fd414d8207604cda81977eb1aaba0d542a633a633ae3f9c22c7

SHA512
2e052e0b698fe72e45aa3e632eecb1b55f972e5afc997b9ade10a2b252b5ae4c686f534ee4c7e11119a3a926747826cba15a5d6a6daf3b3089fb8c97aa951931

Download Submit
memory/212-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/212-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4444-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads