aeb200ee10ee37c50a63f9dc94da527e8a04f3d6204075e7a989a96f6a94144c

General

Target
2026-09-09_de7088e7b19887d2389ff1050783c69f_elex_feodo_wannacry.exe
Size 95KB
Sample260909-msg43avzez
SHA256 aeb200ee10ee37c50a63f9dc94da527e8a04f3d6204075e7a989a96f6a94144c
MD5 de7088e7b19887d2389ff1050783c69f
SHA1 c8361678e09bdfae3950943b40f2622568cb03b3
SHA512 f7a022a682af682331e2099818688e4f039a4d287285403882c7797f182b42f8be82d27b9a33f8caebcc8227af704ff40bdf5e6d181258400f7a70cef973aad1
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlq:QSABNx6vb4RoI4pyjHYLhal01UoPXe
TLSH
T127A3AD0BABAA48D9E220AD70152E377597FF946E3B149B978344FE4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4436	mkvrg.exe

Executes dropped EXE 1 IoCs

pid	Process
4436	mkvrg.exe

Loads dropped DLL 1 IoCs

pid	Process
4936	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
5256	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3520	4936	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	2026-09-09_de7088e7b19887d2389ff1050783c69f_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	mkvrg.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
5256	cmd.exe
236	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
236	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4164	2026-09-09_de7088e7b19887d2389ff1050783c69f_elex_feodo_wannacry.exe
4436	mkvrg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 5256	4164	2026-09-09_de7088e7b19887d2389ff1050783c69f_elex_feodo_wannacry.exe	89
PID 5256 wrote to memory of 236	5256	cmd.exe	91
PID 5256 wrote to memory of 4436	5256	cmd.exe	92
PID 4436 wrote to memory of 4936	4436	mkvrg.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-09_de7088e7b19887d2389ff1050783c69f_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-09_de7088e7b19887d2389ff1050783c69f_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\mkvrg.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-09_de7088e7b19887d2389ff1050783c69f_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:5256
- - 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:236
- - \??\c:\mkvrg.exe
    c:\mkvrg.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-09_de7088e7b19887d2389ff1050783c69f_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:4436
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\xcigj\pmbvgjqid.dll",DoVirusScan c:\mkvrg.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4936
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 480
        5⤵
        Program crash
        
        PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4936 -ip 4936
1⤵
PID:996

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

mkvrg.exe

Path \??\c:\mkvrg.exe
Size 95KB
SHA256 40a7222b14efa499b0849df8b38de271e0a1f91dc8b1792cbe4dad54fcea485f
MD5 80799f9440b831d0db622a2b1e6cb67c
SHA1 de49e907e71f5b99208ebeeaba9803aa9b7b6563
SHA512 15d61326b9bf5781a0cfa95c3011c77620fd4af1b9181bf8b7db682e95683d7e57d9c79fc185544a7b23a79265718274662000a3139ec320ad7845b67eb7259b
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl0:QSABNx6vb4RoI4pyjHYLhal01UoPX4
TLSH
T10FA3AD1BABAA48D9E220AD70152D377597FF946E3B149B938348FE4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pmbvgjqid.dll

Path \??\c:\xcigj\pmbvgjqid.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/4164-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4164-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4436-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4936-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads