a3f12562af7e4591238c2549829c5e408a163773423acb4fa9da6aae888aaf13

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 03:40

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General

Target

44d6fb7802ef1b75c5dea87e53b607a0N.exe
Size

74KB
MD5

44d6fb7802ef1b75c5dea87e53b607a0
SHA1

0d56b6c5065ed5623d9a6991c2271b967c367376
SHA256

a3f12562af7e4591238c2549829c5e408a163773423acb4fa9da6aae888aaf13
SHA512

532cdbbd2f7e92ce9a1db9aa7f14ae7a8ee83673417575692474964909637d503d2ae50732e7d83de623997645090ca85d7cfe1d7156da1ddaa277560dc88425
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTH:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhA5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3180	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3180	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	44d6fb7802ef1b75c5dea87e53b607a0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	44d6fb7802ef1b75c5dea87e53b607a0N.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	44d6fb7802ef1b75c5dea87e53b607a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 3180	3676	44d6fb7802ef1b75c5dea87e53b607a0N.exe	81
PID 3676 wrote to memory of 3180	3676	44d6fb7802ef1b75c5dea87e53b607a0N.exe	81
PID 3676 wrote to memory of 3180	3676	44d6fb7802ef1b75c5dea87e53b607a0N.exe	81

C:\Users\Admin\AppData\Local\Temp\44d6fb7802ef1b75c5dea87e53b607a0N.exe
"C:\Users\Admin\AppData\Local\Temp\44d6fb7802ef1b75c5dea87e53b607a0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3676
- 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:3180

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
74KB

MD5
a15a00cd0afd9d1f4ef8a14a85dc0364

SHA1
bb13c01c3bd3b1818237d23655dc8400ee18896c

SHA256
22c614566e3f6f4ee26ec154a805128c555e5577f1be93b45bfa327f105ec99d

SHA512
a62daeec96ab34acb1b9c91557f24fabe14dcc94c9d3d82709a996b3ecceb30818a427dc73ad739fb2536cdd5157af00b845fd60bbad2d1b9485d3df05e882c6

Download Submit
memory/3180-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3180-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3676-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3676-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads