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Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2025, 12:11

General

  • Target

    JaffaCakes118_1991b20531b8eeb1f169385162661344.exe

  • Size

    484KB

  • MD5

    1991b20531b8eeb1f169385162661344

  • SHA1

    d693bab1b874b4c30628cb46d4a8947230e479c0

  • SHA256

    7a547cfb2c66c419bf311cd5bbc7c7f2c54ecb770c5564b4da0a35aebc116590

  • SHA512

    29f0734c2e1ebf0055f9dbd8375f74061eee341f497ec994ae144df7df8b556786df495dfa2a21f8662abc69929be1aecce7738f893d50822cbb71f988150ce8

  • SSDEEP

    12288:FdI9OjNJABliDhwbV1ToLJuflQtF9HwTNPgLFHAUU:Q9Oj4aVwxy95F9HONPgLFHg

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 13 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1991b20531b8eeb1f169385162661344.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1991b20531b8eeb1f169385162661344.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\uifaijr6.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2336
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE6C7.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCE6B7.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2844
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      C:\Users\Admin\AppData\Roaming\svchost.exe
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2728
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2608
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1248
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\firefox4.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\firefox4.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\firefox4.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\firefox4.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESE6C7.tmp

    Filesize

    1KB

    MD5

    8c629cce1909ca541e235f14ddc25270

    SHA1

    31a22da34df01bdc852b0e1b0aa272909877550b

    SHA256

    454b8cc1ed6ba2112d07baee76daea2baaad9bc6938614cec21826094b5c257b

    SHA512

    e2ad9d50fd8467ec3e5a5d14286f33e60b9931dd7701d68f17cf809edd7c838fad6301ff62188642e272f47eead845c25f7ef776299aee7ece8ad93fb251ad95

  • C:\Users\Admin\AppData\Local\Temp\uifaijr6.dll

    Filesize

    5KB

    MD5

    07a047b381450842f3c37b9b8f66b1f0

    SHA1

    1bce80b4fd50499267c231d72628c5d4e13f9e77

    SHA256

    6edf5a3fff551061309bd437b7514389bcd414c2465e249c50a758dac2597f9b

    SHA512

    b064076e0ddb9d3929e5be51511617ecc78ffde40990edddc70a4014ebb1a520cd5152c10154845c8825ca68b14f0d419e6d50c81c421401b96a52a3fa5a8d49

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCE6B7.tmp

    Filesize

    652B

    MD5

    62503fbabee358026879a818c78dd433

    SHA1

    1b7719528f79acffdb9f8cfd9fc210b0f0c60f8d

    SHA256

    1ab0e916c150420cc7290bb879b6cf2344a4aef7f0dc65b29cd60ba7ef0da6f4

    SHA512

    ddfdc83d1f7d07e1d0288fef2f80b9875c8e83583b4e543921f5dd042aaf3dc5f762e28d74a497de509662d1a1417369c3e8a4fcbbdd265733787ba1e3ce9bd2

  • \??\c:\Users\Admin\AppData\Local\Temp\uifaijr6.0.cs

    Filesize

    4KB

    MD5

    2216d197bc442e875016eba15c07a937

    SHA1

    37528e21ea3271b85d276c6bd003e6c60c81545d

    SHA256

    2e9e3da7bfa1334706550bb4d6269bf3e64cbbc09fa349af52eb22f32aebb4af

    SHA512

    7d7bdc3bf83ac0a29e917ead899dcaa1b47ee2660f405fe4883ca2a2546f7924265e1d75a2ea02c0e34fac4d2bb82bbaaa88d06c240afad4e9fd49337cd04d3f

  • \??\c:\Users\Admin\AppData\Local\Temp\uifaijr6.cmdline

    Filesize

    206B

    MD5

    92156ca623e9cf64698d99fef16e25ba

    SHA1

    8b0c876f5190a01ef9313bbbc105a63b54e6a829

    SHA256

    d0f50c9ebf966de640c0b25a27f2c7cc6680788c6a28cee95399a9338955e250

    SHA512

    a2b421f91e2afa779c16d2299bd0ce4800b45385a9f923b3fdd9aa1e9ace2ea548ea7969f94bbe1d9fa51942d2d6aab5650e407015910e3b3978c24cf0ce9205

  • \Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    148KB

    MD5

    bc7c0320686d8b0a0c217833fd184941

    SHA1

    43786aec359b3fe728a0eafa4b1c6b0b679a636e

    SHA256

    bae8a4085c8ac6f901695b204771938813c81b537f2283f6ce5980fc884c7180

    SHA512

    bea534b931b2a9d51744fe829b1e97d9a04be777f1e92fba3da7c8b9a9b569f0f27defbfe75d0a2d7e89a22fd21fedf89fc5bb75cbfd6d0b89b5328d511c8e0f

  • memory/1932-41-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/1932-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

    Filesize

    4KB

  • memory/1932-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/1932-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2336-16-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2336-9-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-25-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-50-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2664-38-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-37-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-29-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-28-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-36-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-49-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-42-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-51-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-53-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-55-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-56-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-57-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-61-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-64-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-65-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2664-68-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB