f2635ac56eafec72d9db09160ee8bff22ee022ebb8caf112c12cdaa69e3a206e

General

Target
2026-10-02_3639e91fc754a239209938b263568708_elex_wannacry.exe
Size 96KB
Sample261003-r18zza1arb
SHA256 f2635ac56eafec72d9db09160ee8bff22ee022ebb8caf112c12cdaa69e3a206e
MD5 3639e91fc754a239209938b263568708
SHA1 8a44be38c4541d45893dd0caeaa295f3d5ce9532
SHA512 91af75cff359d7d8d961645ff295af1119b4add003e5158ad68ffe29bc373cd284d8a7f23ffab42dfe14964d435bfb31f8b65e8220021b2595667f200b2a5765
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlZ:QSABNx6vb4RoI4pyjHYLhal01UoPXV
TLSH
T133A3AD0BABAA58D9E120AD70152D377597EF846F3B249B938348FE4D9533CC1EC3614A
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
4732	uahap.exe

Executes dropped EXE 1 IoCs

pid	Process
4732	uahap.exe

Loads dropped DLL 1 IoCs

pid	Process
768	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
3896	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1692	768	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	uahap.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-02_3639e91fc754a239209938b263568708_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
3736	PING.EXE
3896	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3736	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3544	2026-10-02_3639e91fc754a239209938b263568708_elex_wannacry.exe
4732	uahap.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 3896	3544	2026-10-02_3639e91fc754a239209938b263568708_elex_wannacry.exe	87
PID 3896 wrote to memory of 3736	3896	cmd.exe	90
PID 3896 wrote to memory of 4732	3896	cmd.exe	92
PID 4732 wrote to memory of 768	4732	uahap.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-02_3639e91fc754a239209938b263568708_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-02_3639e91fc754a239209938b263568708_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\uahap.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-02_3639e91fc754a239209938b263568708_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:3896
- - 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:3736
- - \??\c:\uahap.exe
    c:\uahap.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-02_3639e91fc754a239209938b263568708_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4732
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\qsbzp\gnjst.dll",DoVirusScan c:\uahap.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:768
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 560
        5⤵
        Program crash
        
        PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 768 -ip 768
1⤵
PID:2884

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

uahap.exe

Path C:\uahap.exe
Size 96KB
SHA256 e387bdebe1d021598e784be6b29b55159afbce5e0b832d42bb2120be8292d894
MD5 84f69def855891b1b8609b3e2fe8ab61
SHA1 f06c2b2d01a0778401019162f381c8c7c7b8175f
SHA512 ef9b2259afa14ff005ff87cca6584ebfdf6f45780a3f9a463f1f929812dcff0909f5775c8a6a647ea1bd461480ce458a7614603d7695a77acd0f4d9da3a1163d
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:QSABNx6vb4RoI4pyjHYLhal01UoPXy
TLSH
T173A3AD0BABAA58D9E120AD70152D377597EF846F3B249B938348FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

gnjst.dll

Path \??\c:\qsbzp\gnjst.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/768-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3544-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3544-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4732-7-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads