Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2024 06:36

General

  • Target

    6ef9b0bb0b132bd677d8cabb3af3c2a1.exe

  • Size

    988KB

  • MD5

    6ef9b0bb0b132bd677d8cabb3af3c2a1

  • SHA1

    c460d54610c2f00e3971ef7bf34ce17332a9335b

  • SHA256

    78e726ddb24d16ad305dc68f98acb0e8c126aee5f609e69489e87220d9ba1de2

  • SHA512

    bfad2d1ce1fb4df10e1bc146d795ac0931400a04f4e88c44c9df6010efdf08140544266d8ec13fb9dcc2c2fa7ed271a60aa2bc76851bc2c06989d429525afbc4

  • SSDEEP

    12288:wHbcZBbTpkZ0IqyORcXd7nH/rMlDpB1B+sez4SXbcgo51huqnLt5w+GnLBwp+0Bu:rZxT/yORedjQlDpTMIXGLup+v0e2Ckk

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ef9b0bb0b132bd677d8cabb3af3c2a1.exe
    "C:\Users\Admin\AppData\Local\Temp\6ef9b0bb0b132bd677d8cabb3af3c2a1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\RDPNCY\RVG.exe
      "C:\Windows\system32\RDPNCY\RVG.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2520
    • C:\Users\Admin\AppData\Local\Temp\creador adarve.exe
      "C:\Users\Admin\AppData\Local\Temp\creador adarve.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 496
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\creador adarve.exe

    Filesize

    151KB

    MD5

    e913ba237c90f9d0b378e826fe93807b

    SHA1

    87094ae3fb5341ea3f0e900115f55958664227ab

    SHA256

    8d79af37763ff0f6a8f46dbcd5ce2666246c5d02a819d7b6366ea23d03960238

    SHA512

    d5a9a49e302f5332238ef039c846d1b46baa551400dd88188294dca61ffb16624cc69cfba97b25e1b3a41b9bd9dc97c1564c81aff90bf4ba218b6300f916cc4d

  • C:\Users\Admin\AppData\Local\Temp\creador adarve.exe

    Filesize

    2KB

    MD5

    3b0fa287b532c380c12a2292af7d08fc

    SHA1

    38e76805d9fc3beee43cbbac55c1b88043d9b505

    SHA256

    46d5fe242d84aaf09222c3a2b1896cacbea538312fa0b5de3ab1860ba3d7155a

    SHA512

    880d14c510ba9d8adc2f1bd96aa471f4b0c89fd4ce621152b50a0d0cfad111059bd2a4c9f1c4769cf96b599e8d2d4c79998685a7b7b165c8901d93237e55a1d7

  • C:\Windows\SysWOW64\RDPNCY\RVG.002

    Filesize

    43KB

    MD5

    093e599a1281e943ce1592f61d9591af

    SHA1

    6896810fe9b7efe4f5ae68bf280fec637e97adf5

    SHA256

    1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

    SHA512

    64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

  • C:\Windows\SysWOW64\RDPNCY\RVG.004

    Filesize

    1KB

    MD5

    5235b2a320917546d361fec9f4d00de4

    SHA1

    3e1ec15b81dd2baba12bc19e7eac8319bfa5370d

    SHA256

    74c4591134f4bd771e2bbde7e31c48f780909fd7e76389949b4388127bd79535

    SHA512

    bfc91323bc9015121f9a5c73647288e84e68d0e97bd3f2ebf87a412ca277e3e7ff48f9602673db1ccd5481a7448f999c9b8c52a6a833a5f604a52e0f2304001d

  • C:\Windows\SysWOW64\RDPNCY\RVG.exe

    Filesize

    1.5MB

    MD5

    0aaffc12ef1b416b9276bdc3fdec9dff

    SHA1

    9f38d7cf6241d867da58f89db9ff26544314b938

    SHA256

    42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

    SHA512

    bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

  • \Windows\SysWOW64\RDPNCY\RVG.001

    Filesize

    61KB

    MD5

    31c866d8e4448c28ae63660a0521cd92

    SHA1

    0e4dcb44e3c8589688b8eacdd8cc463a920baab9

    SHA256

    dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

    SHA512

    1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

  • \Windows\SysWOW64\RDPNCY\RVG.exe

    Filesize

    1.1MB

    MD5

    51d04d2fd0eb43ae1776d566bd6c5fff

    SHA1

    52d98a6c77a4d521f48bf0d874deb6cb0c647447

    SHA256

    6b6e193d419a02a8482c49f2a6fb5520e1a1e10c17a259b45069a02eb0e1fb47

    SHA512

    c26d5116274e7b0094586123816b5c3c75e583e424e7cba8aabd4867d7947073f0608948cf83cb44f3994d6eb3b2c21954a9a20e85d60f6787b41b8d3a8e870c

  • memory/2520-28-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2520-14-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2708-22-0x000007FEF57A0000-0x000007FEF613D000-memory.dmp

    Filesize

    9.6MB

  • memory/2708-24-0x000007FEF57A0000-0x000007FEF613D000-memory.dmp

    Filesize

    9.6MB

  • memory/2708-25-0x0000000001DE0000-0x0000000001E60000-memory.dmp

    Filesize

    512KB

  • memory/2708-26-0x0000000001DE0000-0x0000000001E60000-memory.dmp

    Filesize

    512KB

  • memory/2708-23-0x0000000001DE0000-0x0000000001E60000-memory.dmp

    Filesize

    512KB

  • memory/2708-29-0x000007FEF57A0000-0x000007FEF613D000-memory.dmp

    Filesize

    9.6MB

  • memory/2988-27-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB