ef8ccf60bec725ce175ba76c221b221d8370dadf92d0ac5f3ea7cae146dbd1aa

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 09:16

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General

Target

WinHelpc32.exe
Size

1.5MB
MD5

4df31cd1a0ede3a4d35e720c81f8f970
SHA1

f8930d6dc53bfb43aa53ca089a94d3d4c6e85c08
SHA256

b5b2d5f9800ecf5a4d542c3b3c0812d2fb0f6ffe4333424797d2dbc13ef7739a
SHA512

8f43c75fa83e86ec910b7ca25065aa240124034ebe4f16696890e7e79c33b7f0bf741184d8dc7c1e0b50712841b695bf3d48cf85bed8f46e7214f911e835be95
SSDEEP

24576:BogQT+D6LJgmzhAhxviiQVd2WAKhhr1AvdCLPatt3AaYfqaP+C5F2oeENHQQBmOT:QTnchxvoVdNo0L0aa/aPd5pFBmOADS

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1804	powershell.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	WinHelpc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1804	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1804	2404	WinHelpc32.exe	30
PID 2404 wrote to memory of 1804	2404	WinHelpc32.exe	30
PID 2404 wrote to memory of 1804	2404	WinHelpc32.exe	30
PID 2404 wrote to memory of 1804	2404	WinHelpc32.exe	30

C:\Users\Admin\AppData\Local\Temp\WinHelpc32.exe
"C:\Users\Admin\AppData\Local\Temp\WinHelpc32.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command "Add-Mppreference -ExclusionPath 'C:\Program Files (x86)', 'C:\' -Force"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1804-3-0x0000000073571000-0x0000000073572000-memory.dmp

Filesize
4KB

Download
memory/1804-6-0x0000000073570000-0x0000000073B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1804-7-0x0000000073570000-0x0000000073B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1804-5-0x0000000073570000-0x0000000073B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1804-4-0x0000000073570000-0x0000000073B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1804-8-0x0000000073570000-0x0000000073B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2404-0-0x0000000074DE0000-0x0000000074E35000-memory.dmp

Filesize
340KB

Download
memory/2404-9-0x0000000074DE0000-0x0000000074E35000-memory.dmp

Filesize
340KB

Download