061f3fc874ee08b1d49b72ccbf18042e8a2b3826e6148d26541ee4b2568ce43c

Analysis

max time kernel
92s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 02:45

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General

Target

$PLUGINSDIR/UpdHelper.dll
Size

130KB
MD5

bb40f596eab5c6598d320677b1731d62
SHA1

2c3f547355e07ba6585d955237a35e1125173028
SHA256

8b972cd7532648027a533330481a6fed08f70718b31396ddf6579519e862b169
SHA512

a2b6757d82bc9ad02516ab83b31c81c310cefc04ffe8ba1937febe44da2e9786a093fba21f6ed412403acde404a6684f7c2ad7f7696c03379fde9d3aee19b436
SSDEEP

1536:Xxl/6f/Vjj2C6+omP/I2IYhRN/YD70Z7+OpzW4kDcXMkoXsWjcd0w+bTTshSQlm/:BB2UOq+1W4rMkoY0w+bTTshSom

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
920	4520	WerFault.exe	83

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4520	2028	rundll32.exe	83
PID 2028 wrote to memory of 4520	2028	rundll32.exe	83
PID 2028 wrote to memory of 4520	2028	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UpdHelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UpdHelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 692
    3⤵
    - Program crash
    PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4520 -ip 4520
1⤵
PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Windows 7 deprecation

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