bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9

Analysis

max time kernel
120s
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
27/09/2024, 02:40

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General

Target

bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe
Size

45KB
MD5

92f4653e37152750cc4cc5a1789ea540
SHA1

6c2383b49ce491b0eb559b17866874996dc12699
SHA256

bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9
SHA512

f8009b34b4bc1d642e67c05d8c978fbf9dc0ffe9315164cc846cf76265f3db95402923b3ccbbe0147b4e7dee1fa6ca1b4ef90656a2f6ddc1c951352daf568b47
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkct:e6q10k0EFjed6rqJ+6vghzwYu7vih9GU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1068	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1068	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 1068	3056	bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe	82
PID 3056 wrote to memory of 1068	3056	bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe	82
PID 3056 wrote to memory of 1068	3056	bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe	82

C:\Users\Admin\AppData\Local\Temp\bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe
"C:\Users\Admin\AppData\Local\Temp\bcf5ad98a0abdc364ab12eb8d6f45d8a2db7f6938ea7ee41db261415393a97c9N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- 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:1068

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
45KB

MD5
e5862a5142b031646fa71c89d9ca1494

SHA1
8a353d8b95f6a6476f44a27ca5cd569cf90206fe

SHA256
cc50266a29b0c7f8445a48939554e4a8043cb9c4d894ceb2c471251410a955f1

SHA512
a06d90bd828a6c3d88494940df32e35469799de78776a0aca2576bf54eeab8e5729a6202c26e8fd3de7bd2c76372cf70d3904358b2bccf35eed1bd8a1e71858f

Download Submit
memory/1068-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3056-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3056-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads