6dc75e6154836f4b4f88166a81aa2e81d1ab83815aefd0e089082d16911b8d1e

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 04:37

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General

Target

$PLUGINSDIR/CustomNSISdl.dll
Size

40KB
MD5

bb81b9946ffc1e50b7a052cd00ac2690
SHA1

0deb5a4c1effa39d22e89199dbb1e6695246848f
SHA256

dcee4695192b17a77ca40f63234298fa02326bde2a2a34bab373ac5cc2fc5f48
SHA512

9c1e9fcac43aa41cf6db56557a7d720db52013b78e048ffa821e608868c2bc97d30aa9087047a5faaaed39655759da0d6fd6097f273c30ce51b0f0963c8a739c
SSDEEP

384:kBrBOvI88qsfnZsFTyQ0mipmycAC/hZAOT8pA40PIL1lBlE:kBrmB8qsfnZeTyQ0mZ7h26g1d

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4248	4984	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 4552 wrote to memory of 4984	4552	rundll32.exe	83
PID 4552 wrote to memory of 4984	4552	rundll32.exe	83
PID 4552 wrote to memory of 4984	4552	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CustomNSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CustomNSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 624
    3⤵
    - Program crash
    PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 284 -p 4984 -ip 4984
1⤵
PID:4504

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/4984-0-0x0000000074C90000-0x0000000074CB4000-memory.dmp

Filesize
144KB

Download
memory/4984-1-0x0000000074C90000-0x0000000074CB4000-memory.dmp

Filesize
144KB

Download