1741b050332dd1a6189cb5f6367a198d4528edafff28b1b71930ec2acb385830

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 21:16

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General

Target

$PLUGINSDIR/zntsolrgxs.dll
Size

38KB
MD5

fe76b0ef249aebd98f82d6437721c047
SHA1

b1d40595e05da9c6f8627885b36177d4ecd54f21
SHA256

39724fa50de7a8937dec84a3f00fe23c9dea895d312bdce8133db18f15ee1a81
SHA512

abff3bc26f23c3c864bca8bb4ef1191278bb88bf5d604db949a822fc98525bcecdc21acceffbca1aae5557c8a13e9e15092837bc1c16b3ec2d03c6b3fc8fd725
SSDEEP

384:429M1kCo19eJhv2BqFKrtR1836QF0q5knzxRCT+7BoY3Vq5b1520IVXOFCfl:4rQ19eJhDFKJ7arF0gkpoY3w5baVMA

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4696	3936	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 4408 wrote to memory of 3936	4408	rundll32.exe	83
PID 4408 wrote to memory of 3936	4408	rundll32.exe	83
PID 4408 wrote to memory of 3936	4408	rundll32.exe	83
PID 3936 wrote to memory of 3260	3936	rundll32.exe	84
PID 3936 wrote to memory of 3260	3936	rundll32.exe	84
PID 3936 wrote to memory of 3260	3936	rundll32.exe	84
PID 3936 wrote to memory of 3260	3936	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zntsolrgxs.dll,#1
    3⤵
    PID:3260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 688
    3⤵
    - Program crash
    PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3936 -ip 3936
1⤵
PID:4712

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/3936-0-0x0000000010009000-0x000000001000B000-memory.dmp

Filesize
8KB

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