3049bd70fbcab71d68696ce6331e7da860f98dea6f9b63afa67fafeb17bc980f

Analysis

max time kernel
299s
max time network
298s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 14:36

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
LUA51.dll
Size 5.3MB
Sample260910-ryp43shc98
SHA256 3049bd70fbcab71d68696ce6331e7da860f98dea6f9b63afa67fafeb17bc980f
MD5 5fd5f8bdde0553ee2a853fbb991f351b
SHA1 929055002e4926f14629ffd98b47686f22bca66f
SHA512 93d10933c1ea317d246e1d1b8a5626a8c9299e31c8e3f6fb6a909d50fb67522edb0c7bac1ecea66ecb7288a4f0d42fe4dc3a6e2c01afe07465fa103d2547f9ab
SSDEEP 98304:CJPwTsC14klK0g04bzucg2znygnFmHpeenC8zEN4OiZrq1DfPHNADtV6v+M:CRRIXKD04U2ygnFmHpDnhEN4O7NADtVb
TLSH
T16A46C0313DDC3176D00E8130CE7DA2F9FAAE7D642B65009B1580BA1BFD317A25A1B95B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion discovery execution

Malware Config

Signatures

Badlisted process makes network request 8 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
9	4372	rundll32.exe
16	4372	rundll32.exe
20	4372	rundll32.exe
22	4372	rundll32.exe
36	4372	rundll32.exe
37	4372	rundll32.exe
39	4372	rundll32.exe
41	4372	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	rundll32.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe

Looks up external IP address via web service 1 TTPs 5 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
20	api.ipify.org
37	api.ipify.org
40	icanhazip.com
41	icanhazip.com
19	api.ipify.org

Discovers running processes 1 TTPs 5 IoCs

Running process information can be used to identify security tools or plan follow-on actions.

discovery

Process Discovery

T1057

pid	Process
1968	tasklist.exe
4352	tasklist.exe
316	tasklist.exe
4856	tasklist.exe
4716	tasklist.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rundll32.exe	rundll32.exe

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3932	cmd.exe
2408	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 20 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	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	find.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 5 IoCs

defense_evasion

pid	Process
3416	timeout.exe
3952	timeout.exe
4784	timeout.exe
4392	timeout.exe
4892	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4996	taskkill.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe
4372	rundll32.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	rundll32.exe
Token: SeLoadDriverPrivilege	4372	rundll32.exe
Token: SeTakeOwnershipPrivilege	4372	rundll32.exe
Token: SeIncBasePriorityPrivilege	4372	rundll32.exe
Token: SeTcbPrivilege	4372	rundll32.exe
Token: SeDebugPrivilege	4996	taskkill.exe
Token: SeDebugPrivilege	4372	rundll32.exe
Token: SeCreateTokenPrivilege	4372	rundll32.exe
Token: SeAssignPrimaryTokenPrivilege	4372	rundll32.exe
Token: SeLockMemoryPrivilege	4372	rundll32.exe
Token: SeIncreaseQuotaPrivilege	4372	rundll32.exe
Token: SeMachineAccountPrivilege	4372	rundll32.exe
Token: SeTcbPrivilege	4372	rundll32.exe
Token: SeSecurityPrivilege	4372	rundll32.exe
Token: SeTakeOwnershipPrivilege	4372	rundll32.exe
Token: SeLoadDriverPrivilege	4372	rundll32.exe
Token: SeSystemProfilePrivilege	4372	rundll32.exe
Token: SeSystemtimePrivilege	4372	rundll32.exe
Token: SeProfSingleProcessPrivilege	4372	rundll32.exe
Token: SeIncBasePriorityPrivilege	4372	rundll32.exe
Token: SeCreatePagefilePrivilege	4372	rundll32.exe
Token: SeCreatePermanentPrivilege	4372	rundll32.exe
Token: SeBackupPrivilege	4372	rundll32.exe
Token: SeRestorePrivilege	4372	rundll32.exe
Token: SeShutdownPrivilege	4372	rundll32.exe
Token: SeDebugPrivilege	4372	rundll32.exe
Token: SeAuditPrivilege	4372	rundll32.exe
Token: SeSystemEnvironmentPrivilege	4372	rundll32.exe
Token: SeChangeNotifyPrivilege	4372	rundll32.exe
Token: SeRemoteShutdownPrivilege	4372	rundll32.exe
Token: SeUndockPrivilege	4372	rundll32.exe
Token: SeSyncAgentPrivilege	4372	rundll32.exe
Token: SeEnableDelegationPrivilege	4372	rundll32.exe
Token: SeManageVolumePrivilege	4372	rundll32.exe
Token: SeImpersonatePrivilege	4372	rundll32.exe
Token: SeCreateGlobalPrivilege	4372	rundll32.exe
Token: 31	4372	rundll32.exe
Token: 32	4372	rundll32.exe
Token: 33	4372	rundll32.exe
Token: 34	4372	rundll32.exe
Token: 35	4372	rundll32.exe
Token: SeDebugPrivilege	316	tasklist.exe
Token: SeDebugPrivilege	4856	tasklist.exe
Token: SeDebugPrivilege	4716	tasklist.exe
Token: SeDebugPrivilege	1968	tasklist.exe
Token: SeDebugPrivilege	4352	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4372	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 4372	3180	rundll32.exe	85
PID 4372 wrote to memory of 4996	4372	rundll32.exe	86
PID 4372 wrote to memory of 3932	4372	rundll32.exe	92
PID 3932 wrote to memory of 2408	3932	cmd.exe	94
PID 2408 wrote to memory of 316	2408	cmd.exe	95
PID 2408 wrote to memory of 208	2408	cmd.exe	96
PID 2408 wrote to memory of 4784	2408	cmd.exe	97
PID 2408 wrote to memory of 4856	2408	cmd.exe	105
PID 2408 wrote to memory of 4252	2408	cmd.exe	106
PID 2408 wrote to memory of 4392	2408	cmd.exe	107
PID 2408 wrote to memory of 4716	2408	cmd.exe	109
PID 2408 wrote to memory of 2308	2408	cmd.exe	110
PID 2408 wrote to memory of 4892	2408	cmd.exe	111
PID 2408 wrote to memory of 1968	2408	cmd.exe	114
PID 2408 wrote to memory of 4704	2408	cmd.exe	115
PID 2408 wrote to memory of 3416	2408	cmd.exe	116
PID 2408 wrote to memory of 4352	2408	cmd.exe	117
PID 2408 wrote to memory of 2676	2408	cmd.exe	118
PID 2408 wrote to memory of 3952	2408	cmd.exe	119

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\LUA51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\LUA51.dll,#1
  2⤵
  - Badlisted process makes network request
  - Enumerates connected drives
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4372
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im cmd.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4996
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c start "" /B cmd /C "C:\Users\Public\NVIDIA Corporation\S-1-5-21-668679576-120646659-2289335452\S-1-5-21-668679576-120646659-2289335452.bAt"
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C "C:\Users\Public\NVIDIA Corporation\S-1-5-21-668679576-120646659-2289335452\S-1-5-21-668679576-120646659-2289335452.bAt"
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2408
    - - C:\Windows\SysWOW64\tasklist.exe
        
        TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
        5⤵
        Discovers running processes
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:316
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:208
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4784
    - - C:\Windows\SysWOW64\tasklist.exe
        
        TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
        5⤵
        Discovers running processes
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4856
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4252
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4392
    - - C:\Windows\SysWOW64\tasklist.exe
        
        TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
        5⤵
        Discovers running processes
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4716
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2308
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4892
    - - C:\Windows\SysWOW64\tasklist.exe
        
        TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
        5⤵
        Discovers running processes
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:1968
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4704
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3416
    - - C:\Windows\SysWOW64\tasklist.exe
        
        TASKLIST /FI "IMAGENAME eq rundll32.exe" /FO CSV
        5⤵
        Discovers running processes
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4352
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2676
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3952

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2932

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

S-1-5-21-668679576-120646659-2289335452.bAt

Path C:\Users\Public\NVIDIA Corporation\S-1-5-21-668679576-120646659-2289335452\S-1-5-21-668679576-120646659-2289335452.bAt
Size 1KB
SHA256 43d4956778c0504f427974abe1675ff24536622526ec1a462236f728ddb9e209
MD5 d2adf5a369e77c913836ff887a0358ec
SHA1 49109624394a74f83a710cd36c9b3e7f9ee01b57
SHA512 f242d0f1cb75ef5565ca96e378d2ef2851f476ee8c29ff7644371000f815b08b34a380ade24a9482bea5f479b9c0eca5a66b20c41bde9276b954d13ef14b9c64
TLSH
T1F131DC8F8457CD0E832902EB23068C6BCA54F447EE4570E076D85B852389A9E0956AEF
MD5 SHA1 SHA512 TLSH

Submit Download

rundll32.exe

Path C:\Windows\SysWOW64\rundll32.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4372-8-0x0000000003300000-0x0000000003358000-memory.dmp

Download

memory/4372-7-0x0000000003120000-0x0000000003173000-memory.dmp

Download

memory/4372-9-0x0000000003300000-0x0000000003358000-memory.dmp

Download

memory/4372-12-0x0000000003300000-0x0000000003358000-memory.dmp

Download

memory/4372-14-0x0000000003300000-0x0000000003358000-memory.dmp

Download

memory/4372-15-0x0000000003300000-0x0000000003358000-memory.dmp

Download

memory/4372-17-0x0000000003300000-0x0000000003358000-memory.dmp

Download