f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 04:45

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General

Target

f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe
Size

63KB
MD5

075f375688498d87abd867fd4d31ec5e
SHA1

808ccccabd6e8ee10d00743dbd5c92b0b372c355
SHA256

f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64
SHA512

b7c5e74b0e0b1a73e4aab206ba515348986881d12a3c3c17b0b31bf7752201b885fa25b455fa140e9f9f07741fc7fe9a32ad90d7c26e414f83a161340a8f7874
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johIhhhvhShY:NAoglOwvl4ulkP6vghzwYu7vih9GueIF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3368	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3368	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.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	f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 3368	3608	f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe	84
PID 3608 wrote to memory of 3368	3608	f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe	84
PID 3608 wrote to memory of 3368	3608	f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe	84

C:\Users\Admin\AppData\Local\Temp\f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe
"C:\Users\Admin\AppData\Local\Temp\f3c37dbc7cc31ef9d9011261ed72d1fa0eb776d8172b0194f26cd4007a7b8b64.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3608
- 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:3368

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
21da28ce0fcd0e025a7652af674948df

SHA1
e9ba6b2e58032241add77fd3a434e09a75b19986

SHA256
c6cea93fd874cd8459baff193841b32937d5e2a47adf2c972d4173be841245ee

SHA512
7612ee1a7084a9eb220dc55b2eb7b18cebd7594a3f718c96a5d83e38cbe03e1a7529be76b9266e1b6a1f41fcab06290125b56a8f81fb97c63973406e25105379

Download Submit
memory/3368-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3608-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3608-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads