0eb898e184a360b5d6fc4a8dccdc5778090502c3a90a6b7e170be5663b2af177

General

Target
2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_elex_wannacry.exe
Size 97KB
Sample261027-e7313sav81
SHA256 0eb898e184a360b5d6fc4a8dccdc5778090502c3a90a6b7e170be5663b2af177
MD5 e1aec3ef47c75e0f1579b8807f668f1a
SHA1 49752a8d9bf56add383e33ea81fb0ff76a82e9c5
SHA512 29f78a7f7a2f5a97d26cf490412d1402223d422b1a71bf96f9b76dc0cb448d5e0e1653c830541718943d814b3fc28f7b6b364d2a5aee8c20a87273b51ce3159c
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlg:QSABNx6vb4RoI4pyjHYLhal01UoPX8
TLSH
T18BA39D17ABA948D9E1206C70162E377493EF946E3B18A7939348FE4DD433CC5EC3618A
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
3240	ajrrd.exe

Executes dropped EXE 1 IoCs

pid	Process
3240	ajrrd.exe

Loads dropped DLL 1 IoCs

pid	Process
4244	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
4848	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3312	4244	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	ajrrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_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

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
4848	cmd.exe
3904	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3904	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5604	2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_elex_wannacry.exe
3240	ajrrd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5604 wrote to memory of 4848	5604	2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_elex_wannacry.exe	89
PID 4848 wrote to memory of 3904	4848	cmd.exe	91
PID 4848 wrote to memory of 3240	4848	cmd.exe	92
PID 3240 wrote to memory of 4244	3240	ajrrd.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5604
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\ajrrd.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_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:4848
- - 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:3904
- - \??\c:\ajrrd.exe
    c:\ajrrd.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e1aec3ef47c75e0f1579b8807f668f1a_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3240
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\hokaskx\eeqyb.dll",DoVirusScan c:\ajrrd.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4244
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 476
        5⤵
        Program crash
        
        PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4244 -ip 4244
1⤵
PID:4808

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

ajrrd.exe

Path \??\c:\ajrrd.exe
Size 97KB
SHA256 9b28ac1fc5285dd1fccc20bd20192691203d4938fd100908b6c2ff968016a955
MD5 3bdbddce6358c18685c7ca08161f21f2
SHA1 094778ccc717ef37949a3e2eaa9ce7878615c454
SHA512 7d73286c24a90b38449c8e33f5032cee63dc4a687b9221d411e9a2e3d30f71e0066b187cc456e8abdca6cab225fd3a811c07b67392ee0a440820835796d060b1
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl+:QSABNx6vb4RoI4pyjHYLhal01UoPXS
TLSH
T131A39E17ABA988D9E1206C70162E373497FE946E3B1897939348FE4DD433CD5EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

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eeqyb.dll

Path \??\c:\hokaskx\eeqyb.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/3240-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4244-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/5604-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5604-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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