7eb64b07f8e416f9d3dea51e074ff831fd64655ab637e522392aaacd92cadcfa

General

Target
2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe
Size 188KB
Sample260802-gexdyawajb
SHA256 7eb64b07f8e416f9d3dea51e074ff831fd64655ab637e522392aaacd92cadcfa
MD5 9ad92f10dab1a75af3c43f2104de2d82
SHA1 c3234893f3184776fecb0fc65787bbc869c866c1
SHA512 e3bd405049a7c8dda95fc33d9a5d214152c54da29dc8de11eb9f6add04a214adf1e59760f09a01b5924d930b9a06b8ac0e318c435260354633a0300744472616
SSDEEP 3072:j2AwNc0AXQ7+crmNIyQWFai5FZAJaDuUsSVBWRnE8RDmEYkiQ7uev4QgP3tVgin:CzAGDrFHiaUFZAJ0PmS0mPzQ6o4b9Vbn
TLSH
T15B1412E37E4799C2C8A022B467E773374BA576C45480FAD6EB16DE32A0FB111A01875F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
256	eidolon.exe
4524	2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe
3048	USBServers32.exe
5408	USBServers32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\USBServers32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\USBServers32.exe"	reg.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\shell32.dll	eidolon.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 3 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
4248	cmd.exe
4616	cmd.exe
3452	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	USBServers32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eidolon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 256	5072	2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe	89
PID 5072 wrote to memory of 4248	5072	2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe	90
PID 5072 wrote to memory of 4616	5072	2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe	92
PID 4616 wrote to memory of 4524	4616	cmd.exe	94
PID 4616 wrote to memory of 3048	4616	cmd.exe	95
PID 3048 wrote to memory of 3452	3048	USBServers32.exe	96
PID 3452 wrote to memory of 4100	3452	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\eidolon.exe
  "C:\Users\Admin\AppData\Local\Temp\eidolon.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:256
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\temp\tttdelzzz.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4248
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\temp\tttbrozzz.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Users\Admin\AppData\Local\Temp\2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_9ad92f10dab1a75af3c43f2104de2d82_elex_wannacry.exe"
    3⤵
    - Executes dropped EXE
    PID:4524
- - C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
    "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3048
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c reg add HKEY_CURRENT_USER\Software\Microsoft\windows\currentVersion\run /v USBServers32 /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe" /f
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3452
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add HKEY_CURRENT_USER\Software\Microsoft\windows\currentVersion\run /v USBServers32 /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe" /f
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        
        PID:4100

C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
1⤵
- Executes dropped EXE
PID:5408

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

USBServers32.exe

Path C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
Size 54KB
SHA256 8f53ab3cd172f685568e0cbb51eb7dfd2389a5fe6aaf47d0aa7d823253e673ee
MD5 6428b1de8971e837926de5b464725f64
SHA1 19d7ce6fff617b790f9de7bf99406e61061f0594
SHA512 7938b01ce48bcdd3276c83f82fc71407d101f2e884b3f271a17fcf4c60af642faf57047edab97906351217f79847107757283af3fbfc3059cf4eb8e8d778d026
SSDEEP 768:nj27aTwKrJgJapOgV0jvQbtgDDM1MEprbhrCTyYrKjA70QkwWyit3JvsgZaphsL7:nj2AwKrSEqLQxK+oyEIXQ7+JLIzbPhwj
TLSH
T1D643D083BA8688E2C410357025977B32CA176FD25085F4A6EF31FDA0E4FF15A942DE5E
MD5 SHA1 SHA512 SSDEEP TLSH

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eidolon.exe

Path C:\Users\Admin\AppData\Local\Temp\eidolon.exe
Size 24KB
SHA256 a1bf9bc23f97fee5a83ddcb3ba4d8fbbcc70fb2d871b325261be0ded72196fe9
MD5 f3858fb30c8ddb74a11e85381009c438
SHA1 ab388dbb45109acd543d28030daf065e50e20a1b
SHA512 6aeb783c6ed7108480f956fd5b54a39a26d6257dc1c472d4d16700eb76be4276690596702fbc9a078662627673965584accf90449cd08dec461806ae3d57c0d1
SSDEEP 384:NxJGCZWgs7ZS1DJKfkojki7gMbaoSnWbwPxTP3CUJ5tvOb/jl81:NGMWb74DJKcaki1v4fP3Cme0
TLSH
T16FB23A03FAC744F6E905A570456B7B3A9A2F6E5A0710D6CBCB4CFDA484321E2D9B124F
MD5 SHA1 SHA512 SSDEEP TLSH

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tttbrozzz.bat

Path C:\Windows\Temp\tttbrozzz.bat
Size 598B
SHA256 39a2c2411b8c378838c54b1f122b7363998151260d5b935c42a9abefbf19d289
MD5 e2e774a8a67e1d748849d2cb064453ba
SHA1 665bc80467a77bf7bfeac201ffe05063385fa2dc
SHA512 c576f17941c15bae5574fe2429151db394465e800c3ae353ad419128feb8f6b4be0ad4deb780a77eebdaf1f492156640d341ebf7f516188b9e3a42916612f742
TLSH
T1ABF0AC1482FBCAB72C68D07B4FEA894FF310B419AE5517480B12824DB78080FBF9B202
MD5 SHA1 SHA512 TLSH

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tttdelzzz.bat

Path C:\Windows\Temp\tttdelzzz.bat
Size 313B
SHA256 b777a2bc2914161793541beba0eebebf496cb56665b41b83df971b058f69b768
MD5 2561e8096f00717723ab04d580f123d3
SHA1 f7f8fc5a5c524ef2c3d989cc9d058dff9f7cb366
SHA512 5fdd9a08a7bf1ee82815f8cd5c8c28033c68a056b2e44c1026b7c83d582fd6cff0945354e130d7593314ac86c0c08c9152b01530217bef77f3d9f540aaa27cbf
TLSH
T151E0CD2855F5CAB35C79907B8BE9498FE30075465D16139D0B134548AB8150D6F9A502
MD5 SHA1 SHA512 TLSH

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Server32History.dat

Path C:\Windows\temp\Server32History.dat
Size 133KB
SHA256 d3c3ceafdc0a90a0a903d34acd5eed3aa602a8ab7f297a4ecde60dbceb1b4ed9
MD5 60009f5c324be5d4b8033a2aac610584
SHA1 81cddbce9b95a9dc709bf3e09dad3bdfbb126589
SHA512 b2c72e6d48621e0f97340937ba07a180002302b21a8b7cf921f222d4286d457d1fa542ca585d7286511c20f01892755cea9e5d6090b8b8bea803eca74ac82c41
SSDEEP 3072:Zpn0qBLuS7FLCjAlJF60pRdJDUGqsjWIn9joQLUZiTa5M8jHZjJv:rlBLuSNlJF6KksWa5oQwaai8
TLSH
T100D35A81FAE185E0C4E9437A12F27B7BAC369669139795C3D7482C718D33EE0513C6AE
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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