5226f8091d6eaed70eb8a5da52f6113705379c77944f97844e1016fb67df8235

General

Target
2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_elex_feodo_wannacry.exe
Size 97KB
Sample260928-p9qtmsvbme
SHA256 5226f8091d6eaed70eb8a5da52f6113705379c77944f97844e1016fb67df8235
MD5 a8d63f5f3ea8d0ed6d9279ea2b49b925
SHA1 54229bff0c07c0d7ef9aea46a48df81d9724e15a
SHA512 53981ec58aad02e86c2cda0060eea2d5b228f008c787f992bbdeba74e905bb9c5606f0f14b200992990843528760075d3c7ebc61e04d13fb167c0cc2963ff36e
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlk:QSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T100A3AE0BABAA48D9E120AD71152D3B7597FF886E3B1497938348FE4D9433DD0EC3614A
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
2888	jhxwy.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	jhxwy.exe

Loads dropped DLL 1 IoCs

pid	Process
5932	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
4160	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	5932	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jhxwy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_elex_feodo_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
3632	PING.EXE
4160	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3632	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4636	2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_elex_feodo_wannacry.exe
2888	jhxwy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4160	4636	2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_elex_feodo_wannacry.exe	89
PID 4160 wrote to memory of 3632	4160	cmd.exe	91
PID 4160 wrote to memory of 2888	4160	cmd.exe	92
PID 2888 wrote to memory of 5932	2888	jhxwy.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\jhxwy.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_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:4160
- - 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:3632
- - \??\c:\jhxwy.exe
    c:\jhxwy.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-28_a8d63f5f3ea8d0ed6d9279ea2b49b925_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:2888
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\bgylstm\wovobj.dll",DoVirusScan c:\jhxwy.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:5932
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5932 -s 476
        5⤵
        Program crash
        
        PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5932 -ip 5932
1⤵
PID:3252

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

wovobj.dll

Path \??\c:\bgylstm\wovobj.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

jhxwy.exe

Path \??\c:\jhxwy.exe
Size 97KB
SHA256 979c82bc2ae8764d4a39d8807fe02f5a06f9d8c264ff2d1445bd150eb4563c3b
MD5 2fbb0ba6f29aeb4f789ebbb73de5641e
SHA1 689b3003920a333fd2b6102c5bdb5e4764685b4c
SHA512 1ac29229395fc744e90c1a474029fc0c69ee63dceadcbe1b0c67708a111803ba67dfc0e8caeac1f71b676798c063fdb2e4a054b63a8793c893fc55cf11e0928c
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlt:QSABNx6vb4RoI4pyjHYLhal01UoPXZ
TLSH
T190A3AE07ABA948D9E1207D70152D3B7597EF886E3B1897938348FE4E9433DD0EC3A14A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2888-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4636-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4636-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5932-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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