be01b097b7068626900da59b875c1770317195ac261a6eaac1736919582a7102

General

Target
2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe
Size 85KB
Sample260802-etmryavanf
SHA256 be01b097b7068626900da59b875c1770317195ac261a6eaac1736919582a7102
MD5 4e9647b0e29b2c61732f7454a31301bd
SHA1 db89f61ea02823048afb32aa57a87dbc02137883
SHA512 0a8bf615960f15417f6eab5c1f150c3fa1322ae5906604c0ca8332b46dfd59e7eba937c3a1c54565655ce4faa201253c4da6f654233828b5d0ab8dc1f5c31443
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlY:eSABNx6vb4RoI4pyjHYLhal01UoPX8
TLSH
T11A839C0BABAA58E9E1206870152D377593EF946F3B2497A38384FE4D9533DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3396	xbcuo.exe

Executes dropped EXE 1 IoCs

pid	Process
3396	xbcuo.exe

Loads dropped DLL 1 IoCs

pid	Process
3492	rundll32.exe

Executes a command shell one-liner 1 TTPs 1 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
2904	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3896	3492	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 5 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	2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xbcuo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2904	cmd.exe
2704	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2704	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4452	2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe
3396	xbcuo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 2904	4452	2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe	85
PID 2904 wrote to memory of 2704	2904	cmd.exe	87
PID 2904 wrote to memory of 3396	2904	cmd.exe	88
PID 3396 wrote to memory of 3492	3396	xbcuo.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\xbcuo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2704
- - \??\c:\xbcuo.exe
    c:\xbcuo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-01_4e9647b0e29b2c61732f7454a31301bd_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3396
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\xvgzirudc\aceahrdf.dll",DoVirusScan c:\xbcuo.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3492
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 560
        5⤵
        Program crash
        
        PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3492 -ip 3492
1⤵
PID:1040

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

xbcuo.exe

Path C:\xbcuo.exe
Size 85KB
SHA256 9af12cb3e902bec3c1bbb40ab46ab038391d4ccc3268a87cd7794c7e781a21d3
MD5 1eaee2ff9d7dfcf6699d5873aea53469
SHA1 9f252d9c2f790dca4c577ed80f3481289109b966
SHA512 2e519dfd3d84fd82666bb4a178c1fd55777f488bfec045b8c5d4e84ead2b071feccfe1dbe6291e5052bd62412854a73ec6c768b7a4177882926afc434ee33a83
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlq:eSABNx6vb4RoI4pyjHYLhal01UoPXO
TLSH
T13D839C07ABA958E9E1206C70162D373593EF986F3B2597A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

aceahrdf.dll

Path \??\c:\xvgzirudc\aceahrdf.dll
Size 50KB
SHA256 7604a0d3e695ff2f47b2961a860aa77e41952df48c132c18ac8d84e6ed3ee8eb
MD5 18cc91cc0c4c41e39a2c5310e760f0ef
SHA1 aaacc94db8d8a37e5d34878aa259d3274a5ff2a7
SHA512 8abba5220a7216288d0d2c683a5d01b796b1179464a2432eda991004348223c822c54ab39fd19302ff01974ec8d026e98280e9f1bdb67178126d75a974ecc7e7
SSDEEP 768:Z+arYIR3u5v4bGwCl56LNQQe5JBtGf1oTYtx/qQvo9:ZPrG57TzDxJS6Etx/ZvO
TLSH
T1AB33E178E1F4B8F6E46EAB345D82146DB1C16BD34D3080BA079224AF6C37E578B52731
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3396-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3492-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4452-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4452-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads