1a4ae8d5bbcb2a8695f526df478a71a46825b541ca8defd19394b62d46ec745d

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
15/09/2024, 01:36

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General

Target

c06a740ccd49b7f306921934f1cfc430N.exe
Size

63KB
MD5

c06a740ccd49b7f306921934f1cfc430
SHA1

3494559603c6d8bcaca94a3ead6a62ae750eccbd
SHA256

1a4ae8d5bbcb2a8695f526df478a71a46825b541ca8defd19394b62d46ec745d
SHA512

cacf260782e763dc6cb1eec8db3f78436b35d7fdc29e81c5ff6e47ce8ac73195558f6b34ebe6bad7c5542a2d0cb95b806bae432d0c72d61a8d7faeaa63d979ff
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uZd7ZY8O:lAo1lOwvlKlXBP6vghzwYu7vih9GueIt

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1904	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1904	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c06a740ccd49b7f306921934f1cfc430N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c06a740ccd49b7f306921934f1cfc430N.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	c06a740ccd49b7f306921934f1cfc430N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1904	1044	c06a740ccd49b7f306921934f1cfc430N.exe	30
PID 1044 wrote to memory of 1904	1044	c06a740ccd49b7f306921934f1cfc430N.exe	30
PID 1044 wrote to memory of 1904	1044	c06a740ccd49b7f306921934f1cfc430N.exe	30
PID 1044 wrote to memory of 1904	1044	c06a740ccd49b7f306921934f1cfc430N.exe	30

C:\Users\Admin\AppData\Local\Temp\c06a740ccd49b7f306921934f1cfc430N.exe
"C:\Users\Admin\AppData\Local\Temp\c06a740ccd49b7f306921934f1cfc430N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1904

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
3d53ce28725b6e722a26b7a17800e6fd

SHA1
2819b6ea106fabbb354576634bed9c102417f825

SHA256
fc4062ee6b76c6db9bac65b03013c4796343f642a51500af63c9dad806c0389d

SHA512
ca64ecfa02aeb20983c79825e9acb03f4dcaa6092645d2d18105ed9063986fd6c523b2fa2d337730711fdb99e580a2e8b79acea69c23448055ca977a283c32b2

Download Submit
memory/1044-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1044-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1904-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1904-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads