175a8775e6c68407b835ab86b35fddbba5ca9196921fce16b24da5ff95f375e0

General

Target
2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_elex_wannacry.exe
Size 86KB
Sample260729-s3a2dsxanc
SHA256 175a8775e6c68407b835ab86b35fddbba5ca9196921fce16b24da5ff95f375e0
MD5 8a594623cbf23ce9d4ffaab463d69fc8
SHA1 b5cd075efcb822ff8f4c2fac2d3c01ad9d3f2384
SHA512 62796dcec26dbe8c4c97fbd0a24b71579784db57f566e0739ccb6c30cb7e5f72051ad7fd970d925d5c4650e730e42e9a4653ea4eb50ca9dfb28ca331fa9d1b89
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlG:eSABNx6vb4RoI4pyjHYLhal01UoPXi
TLSH
T111839D07ABAA58D9E1206C71162E773493EF946F3B149B938388EE4D9537CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3384	bpjsv.exe

Executes dropped EXE 1 IoCs

pid	Process
3384	bpjsv.exe

Loads dropped DLL 1 IoCs

pid	Process
2812	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
6932	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
820	2812	WerFault.exe	92

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_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	bpjsv.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
6932	cmd.exe
1228	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1228	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
984	2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_elex_wannacry.exe
3384	bpjsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 6932	984	2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_elex_wannacry.exe	88
PID 6932 wrote to memory of 1228	6932	cmd.exe	90
PID 6932 wrote to memory of 3384	6932	cmd.exe	91
PID 3384 wrote to memory of 2812	3384	bpjsv.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:984
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\bpjsv.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_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:6932
- - 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:1228
- - \??\c:\bpjsv.exe
    c:\bpjsv.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-29_8a594623cbf23ce9d4ffaab463d69fc8_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3384
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\giwsgsv\hemcj.dll",DoVirusScan c:\bpjsv.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2812
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 476
        5⤵
        Program crash
        
        PID:820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2812 -ip 2812
1⤵
PID:5468

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

bpjsv.exe

Path \??\c:\bpjsv.exe
Size 86KB
SHA256 2353f01664720103bd9387d3d24509f450156def19ab7b2753a6bd9e4ea14be8
MD5 ac9b48579834d38b2f8471c73c149456
SHA1 80d38e603c4f385ba068820b552f8a7fb06ffad7
SHA512 99f02db5b5135593946ec52b8029dbb2c8518536ecf8c51d47967d64aaa563d0a2a91b22af30b86dfe964920fded66ddd21038328bcc38150465a26c1c7a557b
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlO:eSABNx6vb4RoI4pyjHYLhal01UoPXi
TLSH
T1AB93AD07ABAA58D9E1206C70162E773493EF946E3B149B934348EE4DD537CC5EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

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hemcj.dll

Path \??\c:\giwsgsv\hemcj.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/984-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/984-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2812-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/3384-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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