a196532b14a378d79301ba6cd415386c96e4a37102af05470c61a1f7748c3bef

General

Target
2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_wannacry.exe
Size 95KB
Sample260819-15c8javblb
SHA256 a196532b14a378d79301ba6cd415386c96e4a37102af05470c61a1f7748c3bef
MD5 b28e6b3471a20b3cb867aaf4d4275742
SHA1 41428c8b62cba4aa51a22324761483020b39b4cf
SHA512 6a99d3165be4be2d61b52fddeffe18d6f8c2701ec05ea9b55be21c938092ea4a754df5c25ddbfe4ed19ec776ca4a413c026cf90e76bab74feae36cee2b9fb7c6
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlL:QSABNx6vb4RoI4pyjHYLhal01UoPX/
TLSH
T16093AD0BAFAA08D9E220AD70152D377597EF846E3B249B978349FD4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2316	ywdxnjdo.exe

Executes dropped EXE 1 IoCs

pid	Process
2316	ywdxnjdo.exe

Loads dropped DLL 1 IoCs

pid	Process
6112	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
5672	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4264	6112	WerFault.exe	93

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_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	ywdxnjdo.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
5672	cmd.exe
1556	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1556	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4972	2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_wannacry.exe
2316	ywdxnjdo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 5672	4972	2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_wannacry.exe	89
PID 5672 wrote to memory of 1556	5672	cmd.exe	91
PID 5672 wrote to memory of 2316	5672	cmd.exe	92
PID 2316 wrote to memory of 6112	2316	ywdxnjdo.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ywdxnjdo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_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:5672
- - 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:1556
- - \??\c:\ywdxnjdo.exe
    c:\ywdxnjdo.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_b28e6b3471a20b3cb867aaf4d4275742_elex_feodo_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2316
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\msxqivo\dpboh.dll",DoVirusScan c:\ywdxnjdo.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:6112
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 6112 -s 476
        5⤵
        Program crash
        
        PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 6112 -ip 6112
1⤵
PID:5508

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

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Downloads

dpboh.dll

Path \??\c:\msxqivo\dpboh.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

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ywdxnjdo.exe

Path \??\c:\ywdxnjdo.exe
Size 95KB
SHA256 aedc6141f703310058a39e07dd05532e287d2a3847f37f87ecf02dbdf2048067
MD5 f33b8649e4a64e5336f52e71aaf229db
SHA1 0a478edb784044be40963ccd203c87efca2bdb2c
SHA512 83e14366207dab334bdf4d0e67642640b6c46f7db62ab249a948e0d513f0409686ad9e0ce1d07308ccbd741dfe70b0257135cc42cc42ffdfa07802365429f74f
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlz:QSABNx6vb4RoI4pyjHYLhal01UoPXv
TLSH
T1B793AE0BAFAA48D9E220AD70156D377597EF846E3B1497978349FD4D9433CC0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2316-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4972-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4972-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/6112-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads