e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95

Analysis

max time kernel
149s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 04:47

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General

Target

e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe
Size

71KB
MD5

734cf45c9671acaef7250e809329d50d
SHA1

7695cb48766d0e7197e2877f121ed23e70614717
SHA256

e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95
SHA512

387de02ab30832cf4b7fc8203b72b15b0096e577341a5db08823b640c53d992a7870c9383aa1202902d0fd3afdff12f1547854d08c9c6980bb54c3585589dfb4
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhA+6:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vBa

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
612	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
612	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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.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	e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 612	4968	e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe	84
PID 4968 wrote to memory of 612	4968	e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe	84
PID 4968 wrote to memory of 612	4968	e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe	84

C:\Users\Admin\AppData\Local\Temp\e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe
"C:\Users\Admin\AppData\Local\Temp\e31774c52f316edb77d79311cc01cd9f9eaa7d542d2ba5cde6c3646d33534b95.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- 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:612

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
71KB

MD5
99a101640a41ff47ab405d5605e848bb

SHA1
5b0456cbc5f98c45e1564214265a3e8048e7649a

SHA256
5820edac552dcc23ed22d8d940439640b6a069e87e714ff6b487341194d120cd

SHA512
a11c2cf751917d321cc148c0123389b03535dadfad41d2991119a45bcc28266727b2f4699ec861aac409fa4e6e77d635532d738324b25b8113d5fd7e0ff167d9

Download Submit
memory/612-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4968-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4968-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads