34898c41f10b04fc2a52c86e444c3f2d4bc8e2120e4bbaa8a43b2a537c9b8bc1

General

Target
2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_wannacry.exe
Size 96KB
Sample261023-q21vbada39
SHA256 34898c41f10b04fc2a52c86e444c3f2d4bc8e2120e4bbaa8a43b2a537c9b8bc1
MD5 309cb31128635b1b0611f9daf62c2e80
SHA1 ecf7ca6a24959b538d615bd21f3e8a4e5cf8b77d
SHA512 1ad398d18597d7349caf78139fefcd5d6823ab743e882f9952c905cccfd35f948e4a328e923a4ed2968e17ee0c0bce26a6b1476fb98ef553e94f220c9d79ff6d
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlo:QSABNx6vb4RoI4pyjHYLhal01UoPX0
TLSH
T1B1A3AE1BABA948D9E1206C30152E377497FF946E3B1897939348FE4D9433CD1EC3618A
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
4960	tfpbr.exe

Executes dropped EXE 1 IoCs

pid	Process
4960	tfpbr.exe

Loads dropped DLL 1 IoCs

pid	Process
2228	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
1840	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	2228	WerFault.exe	88

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	tfpbr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_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
1840	cmd.exe
4724	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4724	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3920	2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_wannacry.exe
4960	tfpbr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 1840	3920	2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_wannacry.exe	84
PID 1840 wrote to memory of 4724	1840	cmd.exe	86
PID 1840 wrote to memory of 4960	1840	cmd.exe	87
PID 4960 wrote to memory of 2228	4960	tfpbr.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\tfpbr.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_309cb31128635b1b0611f9daf62c2e80_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:1840
- - 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:4724
- - \??\c:\tfpbr.exe
    c:\tfpbr.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-23_309cb31128635b1b0611f9daf62c2e80_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4960
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\dubmi\uphlhpmu.dll",DoVirusScan c:\tfpbr.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2228
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 560
        5⤵
        Program crash
        
        PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2228 -ip 2228
1⤵
PID:3772

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

tfpbr.exe

Path C:\tfpbr.exe
Size 97KB
SHA256 5f59809d745a1417026cfcba897b24d8c97c397b933e26a7f3a415e8375ad1e2
MD5 2cb76690c85744ddb7859b87e97aae29
SHA1 e5f3fcb4125bad45f51f9f67c76ef75acd8c85a2
SHA512 59c3d44a0b5b66af69305449242bf23499db2d9c45178662b4b1525f60172fcbe52d8fce0aa7df2abe6db09d2736f23d5b0c04c4ec402b125d96c262d0736ada
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlG:QSABNx6vb4RoI4pyjHYLhal01UoPXa
TLSH
T1A1A3AE17ABA948D9E1206C30152E377497FF946E3B1897939348FE4E9433CD1EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

uphlhpmu.dll

Path \??\c:\dubmi\uphlhpmu.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/2228-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3920-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3920-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4960-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads