0e7f445dbe2439cccec9df1996728688e9a64197eea798d24df32640f0639904

General

Target
2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe
Size 83KB
Sample260705-gs5bpsat2v
SHA256 0e7f445dbe2439cccec9df1996728688e9a64197eea798d24df32640f0639904
MD5 b290037efdb48a68e503b74b65c3866b
SHA1 1ba9cc8500e3996de0cc93c685afec5ce2e9bc1c
SHA512 dcf13d7ba4c78ee612ca3deee99c338458a28abe20313205f6c687fe551776fec9dd64635fe3292d37d7977d4a162e751fb8292cf9dddb6f93c1b6be415a578a
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl2:eSABNx6vb4RoI4pyjHYLhal01UoPXq
TLSH
T15883AD0BABAA18D9E220AD70152D377593FF946E3B149B978349EE4D9433CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1236	vcapp.exe

Executes dropped EXE 1 IoCs

pid	Process
1236	vcapp.exe

Loads dropped DLL 1 IoCs

pid	Process
3304	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	3304	WerFault.exe	90

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	2026-07-05_b290037efdb48a68e503b74b65c3866b_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	vcapp.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
4936	cmd.exe
3808	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3808	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3540	2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe
1236	vcapp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 4936	3540	2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe	86
PID 4936 wrote to memory of 3808	4936	cmd.exe	88
PID 4936 wrote to memory of 1236	4936	cmd.exe	89
PID 1236 wrote to memory of 3304	1236	vcapp.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\vcapp.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4936
- - 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:3808
- - \??\c:\vcapp.exe
    c:\vcapp.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-05_b290037efdb48a68e503b74b65c3866b_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1236
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\xdjsb\drsrk.dll",DoVirusScan c:\vcapp.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3304
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 560
        5⤵
        Program crash
        
        PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3304 -ip 3304
1⤵
PID:4140

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

vcapp.exe

Path C:\vcapp.exe
Size 83KB
SHA256 81911d5e79bbdda760727ff1ce0512e9eda1a8781b5161808141102403612356
MD5 d52b63009ffbd63e9e62325b4f2a71cb
SHA1 78cd9137ef8acf9915b1be21f8f63501316827cc
SHA512 08033b886663d0452d114e3e8138732b26e57e6e15bbd96c1cf0a7f358c26707b985dbd2b08de9a2c9deea182fd6c800c72698c37b4578fc6751902fa6d60701
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlW:eSABNx6vb4RoI4pyjHYLhal01UoPXi
TLSH
T14883AE0BABA918D9E220AD70152D377593FF946E3B1897978348FE4D9433CD0EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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drsrk.dll

Path \??\c:\xdjsb\drsrk.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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memory/1236-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3304-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/3540-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3540-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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