c71cb4b27b4d952fd45923353abd221290d702720459b6ac35422222f62a8d3b

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 14:22

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General

Target

ea37856b0268758a43ce5b8954043dd0N.exe
Size

64KB
MD5

ea37856b0268758a43ce5b8954043dd0
SHA1

23ce32bfc4d884b3c610e48349e8233d48be73d4
SHA256

c71cb4b27b4d952fd45923353abd221290d702720459b6ac35422222f62a8d3b
SHA512

5368c673af7206b746c8d555c13469877fc55963ba9af3b95d8ba39fd0e34e45e11ef69fd7d99a4343156e06f4a813e5ab5535ce4b9b2ee99bd407ad906d4ed9
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johChPhbhhR:lAo1lOwvlKlXBP6vghzwYu7vih9GueIR

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2912	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ea37856b0268758a43ce5b8954043dd0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ea37856b0268758a43ce5b8954043dd0N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	ea37856b0268758a43ce5b8954043dd0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2912	2196	ea37856b0268758a43ce5b8954043dd0N.exe	30
PID 2196 wrote to memory of 2912	2196	ea37856b0268758a43ce5b8954043dd0N.exe	30
PID 2196 wrote to memory of 2912	2196	ea37856b0268758a43ce5b8954043dd0N.exe	30
PID 2196 wrote to memory of 2912	2196	ea37856b0268758a43ce5b8954043dd0N.exe	30

C:\Users\Admin\AppData\Local\Temp\ea37856b0268758a43ce5b8954043dd0N.exe
"C:\Users\Admin\AppData\Local\Temp\ea37856b0268758a43ce5b8954043dd0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2912

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
c743a76ec779d0bfe0daae1075bf05ac

SHA1
e1446ff187b39c5ba7821fcd538f86659e325efc

SHA256
e2e3bfa0155a4e27b7adf88edc81432ca5847e41489570204dcce12385149203

SHA512
66ede6f10df842336ed7303024caf0965d132cb0390b11bd4043f17f3044821888215ab8bb33bb9165c82e356c90938dd3bc99ce7de6fa0384cca3c5212cd182

Download Submit
memory/2196-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2196-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2912-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2912-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads