d9bb558b55676b95aa6af2f4211ce34cfaf2a6095221180cebc30c45e30370c6

General

Target
2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe
Size 92KB
Sample261102-eby29ast8p
SHA256 d9bb558b55676b95aa6af2f4211ce34cfaf2a6095221180cebc30c45e30370c6
MD5 ef9c286fbb7383a02bc964ae065e8625
SHA1 498b1b985a3383853b2d83351f4685d9d82e6efb
SHA512 292b20798b6390b84075cf10af2ec901bc840c0207a2ccd62861a0dc5f8cb361ac7e7db2011126d307a7155738606ae01f0c5f362d7be852df712fd147723499
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlx:eSABNx6vb4RoI4pyjHYLhal01UoPX9
TLSH
T185938C57ABB598E5E0206C70061E673483EED86F3B1497A34384FE4EE533D95EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1932	bsgol.exe

Executes dropped EXE 1 IoCs

pid	Process
1932	bsgol.exe

Loads dropped DLL 1 IoCs

pid	Process
4520	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
2272	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4356	4520	WerFault.exe	91

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bsgol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2272	cmd.exe
1804	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1804	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1712	2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe
1932	bsgol.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2272	1712	2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe	85
PID 2272 wrote to memory of 1804	2272	cmd.exe	87
PID 2272 wrote to memory of 1932	2272	cmd.exe	90
PID 1932 wrote to memory of 4520	1932	bsgol.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\bsgol.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-01_ef9c286fbb7383a02bc964ae065e8625_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:2272
- - 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:1804
- - \??\c:\bsgol.exe
    c:\bsgol.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-01_ef9c286fbb7383a02bc964ae065e8625_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\nuvai\bptyhclpo.dll",DoVirusScan c:\bsgol.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4520
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 560
        5⤵
        Program crash
        
        PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4520 -ip 4520
1⤵
PID:4288

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

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

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Downloads

bsgol.exe

Path C:\bsgol.exe
Size 92KB
SHA256 3ad60b8e59209956ed33eee3b64526d1de962fe66fc7d9d0c9994a0ffc0a5805
MD5 a5eaae2f9820c803e634c2081ff05022
SHA1 10dcae38c1bba96d2bcdf6c5f9f03c52318d621c
SHA512 8c2dc5d117e5409b930800ac87ffb91364e12894d682778ccfaf64a7208aff77af3e0c7ec3df20f9b40715e75cdfeb7270b9e6e5a2da0012d3c9df1047a34dbc
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl3:eSABNx6vb4RoI4pyjHYLhal01UoPX7
TLSH
T152937D47ABA598E5E0206C70061D673483EED86F3B1497A38384FE4EE533D95EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

bptyhclpo.dll

Path \??\c:\nuvai\bptyhclpo.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/1712-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1712-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1932-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4520-10-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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