5088d97a9cde4e8205896490d0598b5f6db45b97f6be27121c2d376351cd303d

General

Target
2026-10-23_92431206c1491eb8b5918a5993fc73c6_elex_feodo_wannacry.exe
Size 99KB
Sample261023-lpyf7saz2s
SHA256 5088d97a9cde4e8205896490d0598b5f6db45b97f6be27121c2d376351cd303d
MD5 92431206c1491eb8b5918a5993fc73c6
SHA1 aa8dd146401cde2cf71245b78f951b55c18dad9f
SHA512 ad01b6156ce753993b2ef6d7cf6c043ca9a7820ba2d260465896bf86a056ef5d910d96d9f176d4751bee8a7b74afde4e7247f07ecde262385b8d3c3734655956
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlC:QSABNx6vb4RoI4pyjHYLhal01UoPXe
TLSH
T16CA39D0BABAA58D9E1206D70156D377597EF886F3B2497A38344FE4E9133DC0EC3614A
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
4664	iimar.exe

Executes dropped EXE 1 IoCs

pid	Process
4664	iimar.exe

Loads dropped DLL 1 IoCs

pid	Process
4184	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
5932	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4360	4184	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	2026-10-23_92431206c1491eb8b5918a5993fc73c6_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	iimar.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
4344	PING.EXE
5932	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4344	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3280	2026-10-23_92431206c1491eb8b5918a5993fc73c6_elex_feodo_wannacry.exe
4664	iimar.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 5932	3280	2026-10-23_92431206c1491eb8b5918a5993fc73c6_elex_feodo_wannacry.exe	89
PID 5932 wrote to memory of 4344	5932	cmd.exe	91
PID 5932 wrote to memory of 4664	5932	cmd.exe	92
PID 4664 wrote to memory of 4184	4664	iimar.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-23_92431206c1491eb8b5918a5993fc73c6_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-23_92431206c1491eb8b5918a5993fc73c6_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\iimar.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_92431206c1491eb8b5918a5993fc73c6_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:5932
- - 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:4344
- - \??\c:\iimar.exe
    c:\iimar.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_92431206c1491eb8b5918a5993fc73c6_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:4664
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\jkkul\mvxlauvv.dll",DoVirusScan c:\iimar.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4184
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 484
        5⤵
        Program crash
        
        PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4184 -ip 4184
1⤵
PID:2852

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

iimar.exe

Path \??\c:\iimar.exe
Size 99KB
SHA256 08f686424d5d09cdbeb489415a9a6d476744b2b74c113cc9a4c935ddafe9fc33
MD5 bb9a5c8b94f5a47875b1d0b1eff917cf
SHA1 b537f283ece2ad5954b11f4f89e1afdcd5bd5e53
SHA512 e2fdc1d615e7dff1ef9d04bf998d8cb8a8d18c03ccaea18fd0ab9cbe1f6d97b42cee6878d9c823fafd9d9822e236354b5af81db1c8fc15274badd152371e9b07
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlO:QSABNx6vb4RoI4pyjHYLhal01UoPX6
TLSH
T15EA39D07ABA958D9E1207D70156D3B3597EF886E3B2497A38344FE4E9033DC0EC3A14A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mvxlauvv.dll

Path \??\c:\jkkul\mvxlauvv.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/3280-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3280-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4184-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4664-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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