b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 19:29

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General

Target

b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe
Size

63KB
MD5

d9dd9947aee3f89f89375dbc0370a000
SHA1

c20d587b6ea34835881c7b17b1bbf3137c64f0c7
SHA256

b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24
SHA512

f92786f12ef295f05569a01cb276d4509da450b7d64d690d5090650ed3ca59aa0b7c00f77774d04cbf05b09cbacfc8e967464d118b3c81596c309f7dd117ef66
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uhX2Lham:lAo1lOwvlKlXBP6vghzwYu7vih9GueI5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2744	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.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	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2744	2472	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe	30
PID 2472 wrote to memory of 2744	2472	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe	30
PID 2472 wrote to memory of 2744	2472	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe	30
PID 2472 wrote to memory of 2744	2472	b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe	30

C:\Users\Admin\AppData\Local\Temp\b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe
"C:\Users\Admin\AppData\Local\Temp\b0cdd339db7cce53f000570084d9a824744a58e882d72b0af69660813212ec24N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2744

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
89ae0db67f08fc36275bceafe0d31c7a

SHA1
746a04758511576b1076d153f7a45dc5d9635351

SHA256
3b362e4ddce855af8fe07862e3285fe9d5dbc7596658194da2ac119c7c6cd01d

SHA512
530c75f2cffdca8e1e601958b91b9189a09189391cff16c80e5f74a127f83254d4f2a97bb81b69cd3f88018c993a5ee8165ee4460acd175d6e9339e4a3bd3cf2

Download Submit
memory/2472-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2472-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2472-3-0x0000000000220000-0x000000000022F000-memory.dmp

Filesize
60KB

Download
memory/2744-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads