72dd5e1e21c0fd0de0d670c0f63dfcbc88b7c2b50079d7516b206363b581b687

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 12:20

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General

Target
SWEDLL32.dll
Size 180KB
Sample260801-ph47ysae36
SHA256 72dd5e1e21c0fd0de0d670c0f63dfcbc88b7c2b50079d7516b206363b581b687
MD5 5102de3b9eb5da1e3250dcedbc22314a
SHA1 ddba155d1d8f93d8e0bd4789f0ac9c048d677b0f
SHA512 365e4c0dcd39fdff872c5dfafb867b3816b270f6b35e1a6864a1fd0fe3ac5fbe15706f165ba7266bdf1af410d35707e279fc4a347a0a55fa14b139bc751ac914
SSDEEP 3072:OZfT0k+k22xfjPgWjS+kURJIF9sBBa/EERIEJrJ4ozjq/fnrNl++XkM0psiDkQwK:2b0kJVjHVJK/Jj6/frNl3Azwq
TLSH
T1010412BBB62DDC23C19E51F24AB1284C9A47E78DDA804EC67C18391084DB13DD93BBC6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral16/memory/840-0-0x0000000010000000-0x0000000010068000-memory.dmp	upx
behavioral16/memory/840-1-0x0000000010000000-0x0000000010068000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5644	840	WerFault.exe	89

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 1 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 840	3524	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SWEDLL32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SWEDLL32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 500
    3⤵
    - Program crash
    PID:5644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 840 -ip 840
1⤵
PID:1028

Network

MITRE ATT&CK Enterprise v16

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/840-0-0x0000000010000000-0x0000000010068000-memory.dmp

Download

memory/840-1-0x0000000010000000-0x0000000010068000-memory.dmp