f0815e3a862e22963efd7e5f0f8bdda72cbb13a874dfeca3011d819342a83f35

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2024, 01:20

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General

Target

$PLUGINSDIR/upspw.dll
Size

20KB
MD5

0f91acfbdd02bae9c793e8e8a4b70c95
SHA1

78e61c3a75786e9667f299d99509b0d10e1860fc
SHA256

cae5f924fa04faa67dd7033706ee6af0e045c91b2e2d10c03cd45182a9b3da31
SHA512

f9ae967537378efb79b9d43e9b987903137d5f0643bb39379284e68d51028ac8c4cf6652bf8019f6de77834095c127b6281a84a4f98e574d889197fec582b479
SSDEEP

384:PkNXKtjQfcNzoFqacGdJ+flViKEtKGmk33:PkNXKtu3D0flkK+H

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2604	4168	WerFault.exe	82

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 7 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 4168	2844	rundll32.exe	82
PID 2844 wrote to memory of 4168	2844	rundll32.exe	82
PID 2844 wrote to memory of 4168	2844	rundll32.exe	82
PID 4168 wrote to memory of 2432	4168	rundll32.exe	83
PID 4168 wrote to memory of 2432	4168	rundll32.exe	83
PID 4168 wrote to memory of 2432	4168	rundll32.exe	83
PID 4168 wrote to memory of 2432	4168	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\upspw.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\upspw.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4168
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\upspw.dll,#1
    3⤵
    PID:2432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 760
    3⤵
    - Program crash
    PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4168 -ip 4168
1⤵
PID:1744

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

Replay Monitor

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Downloads

memory/4168-0-0x0000000010005000-0x0000000010007000-memory.dmp

Filesize
8KB

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