ef529ed660379d0ed454140048634337a2ffa63171c27ca139e2e0cb72de5897

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
11/08/2026, 04:35

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General

Target
ef529ed660379d0ed454140048634337a2ffa63171c27ca139e2e0cb72de5897.dll
Size 2.8MB
Sample260811-e77n9swbpg
SHA256 ef529ed660379d0ed454140048634337a2ffa63171c27ca139e2e0cb72de5897
MD5 66dfc04b04c698c17a647012fd4dde26
SHA1 4fd1d41f11f5a3157b025f8644b0d58f0ba04c01
SHA512 2cbcbd58cb43c1c671618b99416c1041061ce654e7bd7064aa25101922fc889e52adcc4b613421f34ce9257833a1006df6e3bfbb143e5e18133202ccc20fc92c
SSDEEP 49152:tpk61bvPxq5ee5m/QTZNWehLpXE3WC8xmxyFJKXdWqaHJ:BbvPxq5d5fNWet4Lymxy4ap
TLSH
T151D53346D182B664EABB637AB753DE700E5E70078DD0579E8E33C299E9FCE6027504B0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4556-2-0x0000000010000000-0x0000000010DFC000-memory.dmp	upx

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
4556	rundll32.exe
4556	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4556	rundll32.exe
4556	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 4556	1064	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef529ed660379d0ed454140048634337a2ffa63171c27ca139e2e0cb72de5897.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef529ed660379d0ed454140048634337a2ffa63171c27ca139e2e0cb72de5897.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4556

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/4556-2-0x0000000010000000-0x0000000010DFC000-memory.dmp

Download

memory/4556-7-0x0000000010DF9000-0x0000000010DFA000-memory.dmp

Download