134f8bfb18284ade87d7cf77e08510701c10d2a4a1e4f1d43030acef7298dcdf

Analysis

max time kernel
149s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/08/2026, 14:04

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General

Target
134f8bfb18284ade87d7cf77e08510701c10d2a4a1e4f1d43030acef7298dcdf.dll
Size 5.5MB
Sample260814-rdccgsvgna
SHA256 134f8bfb18284ade87d7cf77e08510701c10d2a4a1e4f1d43030acef7298dcdf
MD5 ed0028397de0f6626bede4707fc689a7
SHA1 d8d56ccc2deeb8be88f206f885108c121b5bdd3c
SHA512 d9e934dc8e0795fea104d34e7de5a7d9787c1220eba18f7bb5718558dd163ca4e4b7410536a27d7dcd98355021b0bae3d149c5bd44caf7f85bdaf5cb5cbe5bcf
SSDEEP 98304:GgWh7V40Yl94AvfqeapSkMdStt1zx9ZkRuLrrxIZ4OiZrq1DfPHNADtV6v+zM+rX:GgU1o59Stt1zxvkLZ4O7NADtV6v+zZRR
TLSH
T1CF46CF173D5C00AAE05A1233CE59B2ECF1AEBDE83B76019715A4B71EFD32741CA2456B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion discovery execution

Malware Config

Signatures

Badlisted process makes network request 4 IoCs

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

flow	pid	Process
9	3292	rundll32.exe
10	3292	rundll32.exe
11	3292	rundll32.exe
12	3292	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2440	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)	\??\J:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\P:	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)	\??\H:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe

Looks up external IP address via web service 1 TTPs 2 IoCs

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

discovery

Internet Connection Discovery

T1016.001

flow	ioc
7	api.ipify.org
11	api.ipify.org

Discovers running processes 1 TTPs 3 IoCs

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

discovery

Process Discovery

T1057

pid	Process
596	tasklist.exe
5272	tasklist.exe
1140	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
5584	cmd.exe
4848	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 14 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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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	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	tasklist.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	rundll32.exe

Delays execution with timeout.exe 3 IoCs

defense_evasion

pid	Process
5308	timeout.exe
1960	timeout.exe
5852	timeout.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
4696	taskkill.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe
3292	rundll32.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	taskkill.exe
Token: SeDebugPrivilege	596	tasklist.exe
Token: SeDebugPrivilege	3292	rundll32.exe
Token: SeLoadDriverPrivilege	3292	rundll32.exe
Token: SeTakeOwnershipPrivilege	3292	rundll32.exe
Token: SeIncBasePriorityPrivilege	3292	rundll32.exe
Token: SeTcbPrivilege	3292	rundll32.exe
Token: SeDebugPrivilege	3292	rundll32.exe
Token: SeCreateTokenPrivilege	3292	rundll32.exe
Token: SeAssignPrimaryTokenPrivilege	3292	rundll32.exe
Token: SeLockMemoryPrivilege	3292	rundll32.exe
Token: SeIncreaseQuotaPrivilege	3292	rundll32.exe
Token: SeMachineAccountPrivilege	3292	rundll32.exe
Token: SeTcbPrivilege	3292	rundll32.exe
Token: SeSecurityPrivilege	3292	rundll32.exe
Token: SeTakeOwnershipPrivilege	3292	rundll32.exe
Token: SeLoadDriverPrivilege	3292	rundll32.exe
Token: SeSystemProfilePrivilege	3292	rundll32.exe
Token: SeSystemtimePrivilege	3292	rundll32.exe
Token: SeProfSingleProcessPrivilege	3292	rundll32.exe
Token: SeIncBasePriorityPrivilege	3292	rundll32.exe
Token: SeCreatePagefilePrivilege	3292	rundll32.exe
Token: SeCreatePermanentPrivilege	3292	rundll32.exe
Token: SeBackupPrivilege	3292	rundll32.exe
Token: SeRestorePrivilege	3292	rundll32.exe
Token: SeShutdownPrivilege	3292	rundll32.exe
Token: SeDebugPrivilege	3292	rundll32.exe
Token: SeAuditPrivilege	3292	rundll32.exe
Token: SeSystemEnvironmentPrivilege	3292	rundll32.exe
Token: SeChangeNotifyPrivilege	3292	rundll32.exe
Token: SeRemoteShutdownPrivilege	3292	rundll32.exe
Token: SeUndockPrivilege	3292	rundll32.exe
Token: SeSyncAgentPrivilege	3292	rundll32.exe
Token: SeEnableDelegationPrivilege	3292	rundll32.exe
Token: SeManageVolumePrivilege	3292	rundll32.exe
Token: SeImpersonatePrivilege	3292	rundll32.exe
Token: SeCreateGlobalPrivilege	3292	rundll32.exe
Token: 31	3292	rundll32.exe
Token: 32	3292	rundll32.exe
Token: 33	3292	rundll32.exe
Token: 34	3292	rundll32.exe
Token: 35	3292	rundll32.exe
Token: SeDebugPrivilege	5272	tasklist.exe
Token: SeDebugPrivilege	1140	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3292	rundll32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 3292	1236	rundll32.exe	89
PID 3292 wrote to memory of 4696	3292	rundll32.exe	90
PID 3292 wrote to memory of 5584	3292	rundll32.exe	93
PID 5584 wrote to memory of 4848	5584	cmd.exe	95
PID 4848 wrote to memory of 596	4848	cmd.exe	96
PID 4848 wrote to memory of 4996	4848	cmd.exe	97
PID 4848 wrote to memory of 5852	4848	cmd.exe	98
PID 4848 wrote to memory of 5272	4848	cmd.exe	102
PID 4848 wrote to memory of 6084	4848	cmd.exe	103
PID 4848 wrote to memory of 5308	4848	cmd.exe	104
PID 4848 wrote to memory of 1140	4848	cmd.exe	105
PID 4848 wrote to memory of 4564	4848	cmd.exe	106
PID 4848 wrote to memory of 1960	4848	cmd.exe	107

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\134f8bfb18284ade87d7cf77e08510701c10d2a4a1e4f1d43030acef7298dcdf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\134f8bfb18284ade87d7cf77e08510701c10d2a4a1e4f1d43030acef7298dcdf.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:3292
- - 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:4696
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c start "" /B cmd /C C:\Users\Admin\AppData\Local\Temp\BC2411DEE9DC.CMD
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5584
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C C:\Users\Admin\AppData\Local\Temp\BC2411DEE9DC.CMD
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4848
    - - 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:596
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4996
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:5852
    - - 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:5272
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:6084
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:5308
    - - 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:1140
    - - C:\Windows\SysWOW64\find.exe
        
        FIND /I "rundll32.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4564
    - - C:\Windows\SysWOW64\timeout.exe
        
        TIMEOUT /t 60 /nobreak
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:1960

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2440

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

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Downloads

BC2411DEE9DC.CMD

Path C:\Users\Admin\AppData\Local\Temp\BC2411DEE9DC.CMD
Size 1KB
SHA256 46fc7b8bbb354dffe282fd8b6b947bd3dc579888512dfd1780265ce0d4e8a5ee
MD5 5363cb01c03567011ceb2ada8fe83325
SHA1 a4088a4bd10800bc812fec3cd194eb63dc1a7d87
SHA512 1d19a2aa13eb22e776da0012ce92368df39c2fd0314ba4dbe1afe59f4eedc6cc59188ed147b25574fd51c7f8214add435fad79e9d60af47c25bfc8b8c42f6a80
TLSH
T14431FE8EC8074E1D431402EF175ADCAFC641E047EE947190B5DC9B842385A8D09A6BED
MD5 SHA1 SHA512 TLSH

Submit Download

rundll32.exe

Path C:\Windows\SysWOW64\rundll32.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3292-6-0x0000000003D50000-0x0000000003DA8000-memory.dmp

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memory/3292-7-0x0000000003D50000-0x0000000003DA8000-memory.dmp

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memory/3292-9-0x0000000003D50000-0x0000000003DA8000-memory.dmp

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memory/3292-10-0x0000000003D50000-0x0000000003DA8000-memory.dmp

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memory/3292-11-0x0000000003D50000-0x0000000003DA8000-memory.dmp

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