b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e

Analysis

max time kernel
149s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 02:30

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General

Target

b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe
Size

94KB
MD5

748865431c3f8479f84086cc53bdb4e3
SHA1

71c34355b9e566dbf6e2374a2995be08378880a2
SHA256

b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e
SHA512

07b178c48e65c91a8852181a2f35944fe43571c3ca47b14927b84874512c10186a8d4a59f8037a98ae4afba57afce8f3fb5e42133a8815119575acd7fa52beff
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRz/IUqXBn22n2222IICUrh1EasEE1YCfCnEEEE1E14Ah:vAowVFgjQiUkEwt/XqXBn22n2222IICG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1548	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1548	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.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	b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 1548	3524	b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe	83
PID 3524 wrote to memory of 1548	3524	b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe	83
PID 3524 wrote to memory of 1548	3524	b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe	83

C:\Users\Admin\AppData\Local\Temp\b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe
"C:\Users\Admin\AppData\Local\Temp\b547f3aad283fdf51bd6cee5258bebc0de94446e04afe9aff91b21a4a602ff1e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- 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:1548

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
94KB

MD5
08ec31098d30de9fae75c9aa40e66279

SHA1
5edf862c6b6d8310362f59407453580efe04274e

SHA256
5c4ca429bcc1ce85ded570fea5b67048ddae80d9c52d3fc8dd0866db45f5bf92

SHA512
070cbb51898be8c8a14f8836f37ff75f5eb62c441fa6f36cb16d14cd2bc82d691006d9d40860d8afa5a4706955c1b0a35f8bc0bebf2d838f84fb308a832cd9d9

Download Submit
memory/1548-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1548-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3524-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3524-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads