1aa0fff1faffb9ff2a480be20a846ff30172b35974f9088fe13ec01def0fbd5f

Analysis

max time kernel
91s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 15:05

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General

Target

15fac5b91f25d8fd657920b926d81951.dll
Size

519KB
MD5

15fac5b91f25d8fd657920b926d81951
SHA1

8e00f1a0e6d6cbe0f03e8a2fe4c7c52ccfceb199
SHA256

1aa0fff1faffb9ff2a480be20a846ff30172b35974f9088fe13ec01def0fbd5f
SHA512

6eba6845985205a6c0d7b5a253bcff13bb4aeedbcf6d3c3b84858b3297d5ce493a1b7c7dbaa77f0f398240d3168fd763cd4c698b47cdf3657dad40771f51b32e
SSDEEP

12288:2vHYXSz+9EdjhPPQBudeX6IqCAKhAQvG8LZiD8K5lkqB7WAyZrDep1xVTeu2AHck:8D+idjhPPQBudeX6IjAKhAQvG8LZiD81

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 852 set thread context of 2012	852	rundll32.exe	86

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 852	1924	rundll32.exe	85
PID 1924 wrote to memory of 852	1924	rundll32.exe	85
PID 1924 wrote to memory of 852	1924	rundll32.exe	85
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86
PID 852 wrote to memory of 2012	852	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15fac5b91f25d8fd657920b926d81951.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\15fac5b91f25d8fd657920b926d81951.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:852
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2012

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/852-1-0x0000000077D21000-0x0000000077E41000-memory.dmp

Filesize
1.1MB

Download
memory/2012-2-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2012-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2012-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2012-6-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download