Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 09:54

General

  • Target

    JaffaCakes118_49903a1f7b3e8018132a6c757f4c75c3.exe

  • Size

    872KB

  • MD5

    49903a1f7b3e8018132a6c757f4c75c3

  • SHA1

    0522dd27679f2a6c3c781a26365ecf0d97ea9061

  • SHA256

    356302f99a32f089bf48764621c9cf6e38c08f112b6e82d1b475efaa2192bfc6

  • SHA512

    85a46ce914863bb38712338bcc5892669fe4be54e7fde853dca2222eea854bb59933cbe1716a7ce0c657a9e14fc70fc98e0e5d4acf1db2d0872655ba1b28358e

  • SSDEEP

    6144:U9XRz+saO24Pr7yyrBIErxcYKJZCHbmWaOGRryrBIErxcYKJZCHbmWaOGR+7:U9Xf24DVBIEqYKqHqhO/BIEqYKqHqhO

Malware Config

Extracted

Family

xtremerat

C2

ehec.no-ip.info

Signatures

  • Detect XtremeRAT payload 1 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Xtremerat family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49903a1f7b3e8018132a6c757f4c75c3.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49903a1f7b3e8018132a6c757f4c75c3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • 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\coj2qrss.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1516
      • 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\RESC43A.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCC439.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:356
    • C:\Users\Admin\AppData\Roaming\taskmgr.exe
      C:\Users\Admin\AppData\Roaming\taskmgr.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2304
    • C:\Users\Admin\AppData\Roaming\79852.exe
      "C:\Users\Admin\AppData\Roaming\79852.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:1888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RESC43A.tmp

      Filesize

      1KB

      MD5

      3609bc20d4a779d3fdd50315732b8e8b

      SHA1

      d4d923c199c19a6577a5153e6cf8a2734f45df73

      SHA256

      8b9bbd93de08c49ff76e81eaf423a42e5596d972a69328cb30f91facd1a650b6

      SHA512

      8f41cc73f40fe7465bb5a4312c82e9303578898ec354d6316d1ae85f4f60a844ebd966969912d748fa6ea99cef181eea7a04378048b3632f91316b38c9071709

    • C:\Users\Admin\AppData\Local\Temp\coj2qrss.dll

      Filesize

      5KB

      MD5

      b75511e641ef49355454f8bf2b4f4e2b

      SHA1

      ec48ed91887ff3577da0265094cf56e8a1f7dbd6

      SHA256

      0b03646fa80640502cc416f0f9dfc3f95659e0f2340386bd82589942c7f648c4

      SHA512

      4021b5b5b44badb1803320d30f6af6ab1ccc9da62bd220436c8c503ffd74d7ed8410f5e137d9d6da60b11b46eea42ce9fbb6cdeb16a01f0e1c3f21ae7f944254

    • \??\c:\Users\Admin\AppData\Local\Temp\CSCC439.tmp

      Filesize

      652B

      MD5

      15c844491bf079c1284b5e50fc234e64

      SHA1

      02273be1c6033c8b8b1e96da3a7772b35a59c6c7

      SHA256

      733a8682f952e09d84aeb7580feb5cc363c7d7aa27d1497466532a886b581c91

      SHA512

      9fee94626d319ea00635fccc611db2f0a93ea401349ee94c24d31443d651ff9fe2007e2414779e7cd8cf73004088e4286c6ac5719e7c49b6c8914cba1f8aaa16

    • \??\c:\Users\Admin\AppData\Local\Temp\coj2qrss.0.cs

      Filesize

      4KB

      MD5

      6830431c6b49f72eaca4b2888a0ddaa9

      SHA1

      502083f68f991bfcfd771a7ba5bd508c2834591c

      SHA256

      ae57e8973a24563582d571743f0339d9347ffc82ed716d12a994694c2b673bf8

      SHA512

      939fa8cb2ca518904dea91b9612c53d833b9cf11e393fb376c1b0d00734e52b33708a6302e04bf15cb6a8e745475163766dec5a29ac265c914d0c286a170b35a

    • \??\c:\Users\Admin\AppData\Local\Temp\coj2qrss.cmdline

      Filesize

      206B

      MD5

      9bb289162319e8b6a5db65ce9569b006

      SHA1

      9e457ed04d79a8ceae9f32eae09dc5f64c3a90f7

      SHA256

      d2f9c5e70ca4ca2c8a2030f8eaecc7d643757c4486bb4f304f2f5cc032df78ee

      SHA512

      0a6333edca64b2f37d61f74cda2b6c281f03815c5bf02922ca7917a939898708535153e1e9308a88c1cf904812f39da54ea03cac3dc090be9a6ac3363a883050

    • \Users\Admin\AppData\Roaming\79852.exe

      Filesize

      33KB

      MD5

      d3136e874b081f6a32ccfde17aeaca84

      SHA1

      0262e57d4c272243b4ac88f91386ad9e476dfa72

      SHA256

      4051a0076596628190f927e30dd461e44c3c721dc52c2e058b5b41cfb661f4be

      SHA512

      7e12fdac66debb1c4ca40d009ddb702ff71afeacfb93d43b37a43c274675a273dbab76a29bf47d2eb0da72412f3f90d1862eb67423abcf9c904ce5b8955060e5

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

      Filesize

      256KB

      MD5

      2b30aeb9e54cc47c153369c4c955367e

      SHA1

      80f492a8937b85aa2a56ba513e2686e7f6970dc4

      SHA256

      dac95b0c8866c7a5ace718fcea5e349e5e065467ea06e98bca16b87449794af7

      SHA512

      bac8d1fa9305fce1ebc46b53d4ea14ff6b228ccebdd084f273134b95577174e765dde7141cbd0a45d041e40cde36991a90b5eb363a72c6c82d809c9c3a9c0015

    • memory/1516-16-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1516-9-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2304-48-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-57-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-28-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-32-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2304-29-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-27-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-26-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-25-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-36-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-65-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-64-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-63-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-62-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-61-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-60-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-59-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-52-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-53-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-54-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-55-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-56-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2304-58-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/2320-2-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2320-40-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB

    • memory/2320-45-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB

    • memory/2320-49-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2320-0-0x0000000074C01000-0x0000000074C02000-memory.dmp

      Filesize

      4KB

    • memory/2320-1-0x0000000074C00000-0x00000000751AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2384-51-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB

    • memory/2384-47-0x0000000010000000-0x000000001004D000-memory.dmp

      Filesize

      308KB