7e08215596156950f476ec2f1cbb986d5ec5fe54744719a477a8de77bd07e7b6

General

Target
2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_elex_wannacry.exe
Size 86KB
Sample260720-1ys1eahv2z
SHA256 7e08215596156950f476ec2f1cbb986d5ec5fe54744719a477a8de77bd07e7b6
MD5 c8127bf44528ef9c6d0fbdbcb5672686
SHA1 f4aabd81745bd5531cc3fadb204ad974b8b74fee
SHA512 c820439cc62d73c3ba86a921804ba71bea427273da73ce0295cc772cb5fe4c3c09c1bd79f44ca851c4357744f54b2ff51d7f8f468389fdf01b07eb87d8597737
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlt:eSABNx6vb4RoI4pyjHYLhal01UoPXp
TLSH
T1CC839C1BABA958E9E1206C70052D377593EF946F2B2597A38344FE4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3520	uheqp.exe

Executes dropped EXE 1 IoCs

pid	Process
3520	uheqp.exe

Loads dropped DLL 1 IoCs

pid	Process
2220	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
3956	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1440	2220	WerFault.exe	90

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	2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uheqp.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
3956	cmd.exe
728	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
728	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4408	2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_elex_wannacry.exe
3520	uheqp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 3956	4408	2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_elex_wannacry.exe	86
PID 3956 wrote to memory of 728	3956	cmd.exe	88
PID 3956 wrote to memory of 3520	3956	cmd.exe	89
PID 3520 wrote to memory of 2220	3520	uheqp.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\uheqp.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_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:3956
- - 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:728
- - \??\c:\uheqp.exe
    c:\uheqp.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-20_c8127bf44528ef9c6d0fbdbcb5672686_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3520
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\xsndg\uambl.dll",DoVirusScan c:\uheqp.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2220
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 560
        5⤵
        Program crash
        
        PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2220 -ip 2220
1⤵
PID:3116

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

uheqp.exe

Path C:\uheqp.exe
Size 86KB
SHA256 874bee976c8c7f1c4d2ebfabd3a0bbf083a5c7921fc49ba804ae380eed395132
MD5 22a310f8c3ef78da2cec1b12da5b7163
SHA1 48b88b03429ca6eb921162014a96a4f7fa1e8c54
SHA512 43f5f8e1e1ef5ab2e558a83307797762503acac9cebca51532269fae11c3bdae1cf0c02154790ae2dd6af3b9608adcc2d5a8514965b88c6580347a7505e84f94
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlo:eSABNx6vb4RoI4pyjHYLhal01UoPXM
TLSH
T1E6839C0BABA958E9E120AC70052D377593EF946F2B2597A38344FE4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

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uambl.dll

Path \??\c:\xsndg\uambl.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

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memory/2220-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/3520-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4408-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4408-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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