Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/07/2024, 02:59

General

  • Target

    2ac12a75635d3881e97c04fb8630e35c_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    2ac12a75635d3881e97c04fb8630e35c

  • SHA1

    b9a0601166d64559e89cf599e4275f19544e62c7

  • SHA256

    db794f98e50ed2e3e0e3b892fe10ef52aa78aebe97948c7290937c5bf7b0b168

  • SHA512

    73f4cf2036ee718cafc0d6907fb537efc4ca029adb0f6ba643645ad4d2d3bc8f9d10eec053ea09b407b4dceacb44e5bfc5550f79a86768f39eede56161482115

  • SSDEEP

    49152:UoT4BEOjANQ1kvYNjP3Jst/8VxZtDFGFPbIy+RLmI5Mm6hyASvIzylDGekHNCI9h:EDZst/+L7G6yXm6hyASg+wHNvNfd

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 19 IoCs
  • UPX packed file 7 IoCs

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

  • 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 7 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ac12a75635d3881e97c04fb8630e35c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2ac12a75635d3881e97c04fb8630e35c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\YKESJY\PGG.exe
      "C:\Windows\system32\YKESJY\PGG.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:2664
    • C:\Users\Admin\AppData\Local\Temp\teamviewer_setup.exe
      "C:\Users\Admin\AppData\Local\Temp\teamviewer_setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Users\Admin\temp\TeamViewer\Version4\TeamViewer_.exe
        "C:\Users\Admin\temp\TeamViewer\Version4\TeamViewer_.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsy1354.tmp\environment.ini

    Filesize

    661B

    MD5

    d49491c7ba7bd565e1b8ff473cd84c8e

    SHA1

    2522272cf01af17f8ace15a29759f7629ebdc94e

    SHA256

    0be1c22c6f540d98cd55d7f434f57aedffc67a19df4e4957f75eb034a7b3d9bb

    SHA512

    2207da44794bd8b8ed1161a0a1990d13824c91b651711d20fbd14769f898a95168884e217f24465b309901215961f3bcb287214b61c5ce2fbc020e8e21cb7b3c

  • C:\Users\Admin\AppData\Local\Temp\nsy1354.tmp\host.ini

    Filesize

    975B

    MD5

    69a491a30f8fd22d3210847d54274a19

    SHA1

    7e19eb2b1424bb487708f91001d0a001e214ebb8

    SHA256

    49a8ab22496032d8286c7fa71d1e5fc3f13079572d45e4140d1b24be57202b53

    SHA512

    4ac8b38c91eb466cc31e8256cd7a59bf10ff088a3ff233510277be969134c7da2c784fb1254323c2a3e502d2daa98561c160d321a153914b65f97c6bec79207b

  • C:\Users\Admin\AppData\Local\Temp\nsy1354.tmp\start.ini

    Filesize

    1005B

    MD5

    cd2f19f895e9bd53540d2a5165a561ae

    SHA1

    ce80d3d9faceb3423a3432ccb8d1f961b21d0a5d

    SHA256

    8fa729f1a5db75f576e55c09a4fac4e73c849e20fee3c702a88f12efdefb5675

    SHA512

    70da7d1733dd03b6f453a0434b4b00bb786941f5d9ce872be395c5b1f7cd0c7b41ecaa8cc7d827d2448571e3b6671b0b363e49fccb474b8bf25236cfacdb0f5f

  • C:\Users\Admin\AppData\Local\Temp\nsy1354.tmp\start.ini

    Filesize

    983B

    MD5

    1b0d350e8552248d67c2d8c9ed55a6d2

    SHA1

    343a5028330631315b69f059d24dbd4a0905c32f

    SHA256

    37e93908ae8adb3d8af00b8d5a42bc69ee881a97493adc58b8bd83ea125ab09b

    SHA512

    0478e62460afcfdbc68aa2bd5a514b2d483e2e10bc6644d58597cc524b86b669c1701271dcc7c7279ce14aa9121bc91c94570ac92c26ebcc9f29301bf57f73aa

  • C:\Users\Admin\AppData\Local\Temp\nsy1354.tmp\start.ini

    Filesize

    1KB

    MD5

    db164fe32f256c05b3d50621a5c2082d

    SHA1

    08ed8aa23043498c6ba60623b54c3db191b6dfaf

    SHA256

    4eed5276bf09419a87e942f095c762c274df49b7641e956d14ac56127f736ea9

    SHA512

    3a419fdbcbeb937e40fdfc04f609e59884319f4faaf7c363f1308d6f282c840005ec1a2f975ef71a16b02d14bc396eb535fd0e64bf9dabdd391cc3058393f97e

  • C:\Windows\SysWOW64\YKESJY\AKV.exe

    Filesize

    463KB

    MD5

    eb916da4abe4ff314662089013c8f832

    SHA1

    1e7e611cc6922a2851bcf135806ab51cdb499efa

    SHA256

    96af80e7ba0f3997d59ebcb5ecef619f980d71ca29113e2cd2f2e8adcdea3061

    SHA512

    d0dbe1d1612982b9cd2a3ed3cbd3e3b5be49237f580f91d5e5d5b6d20ed4dc0babb69a666c19bf4e0f10776a43b9b1dcda91a4cd381ce3705b1795ef9d731c8b

  • C:\Windows\SysWOW64\YKESJY\PGG.001

    Filesize

    61KB

    MD5

    425ff37c76030ca0eb60321eedd4afdd

    SHA1

    7dde5e9ce5c4057d3db149f323fa43ed29d90e09

    SHA256

    70b00b09ae76a7ecfd6680ab22df546b17826755087c069fc87d14895e1a4e24

    SHA512

    ef5ff97c0d682b6155eff8f92dace1789cf01ca8bca55af1c1d0f2243b5e18bc12a657bb2bb12601b51ef9e1b942f02feb8462644da291fd1b2239c34ef2b59b

  • C:\Windows\SysWOW64\YKESJY\PGG.002

    Filesize

    43KB

    MD5

    12fb4f589942682a478b7c7881dfcba2

    SHA1

    a3d490c6cda965708a1ff6a0dc4e88037e0d6336

    SHA256

    4de0c277800ae36b85a11ed9765f732a73578d4dce053ff7179f96ab776fb60d

    SHA512

    dd1c6a4ea5bc9698701ec941c4e90fe8dfb0993dc321edc052d1a80cc49bc46be665a85ec678876e698de60cda5dbf1d6279742a16d648f9d18e642a3ea33ddd

  • C:\Windows\SysWOW64\YKESJY\PGG.003

    Filesize

    68KB

    MD5

    f47e8f65618e1b1f7e1720713f5a8c4c

    SHA1

    abad8e9e13b1e41f2af86e3c16526c6f2d05d952

    SHA256

    f170be2582c82ea131e1f688eea6e1cd17d14e6a9bb805b6aed2791e625a74d8

    SHA512

    635d617dbd15d00e2f7470857531b9820439a8816f2c74b3d83156599537ff42e26ea7d769863f2768eb2770ba9c47b1a10eb3e2677fe92b9eda6ae51da18dcb

  • C:\Windows\SysWOW64\YKESJY\PGG.004

    Filesize

    1KB

    MD5

    14498ea6c94768c0312a6d2107335783

    SHA1

    6197dcd7ee76f46f8a2038a0435534d2ce0ec774

    SHA256

    ec2b3a557d9b76e651078616336a9bf99067b7c4eeed07280d193ca9bfc19807

    SHA512

    dfa0a63b9c8799fbe9fe3738b8cf9fcb0788e2488f9a6203145ba0877d133391dd6f1071731ad5201fc2f36572ba940beb74f7893679897c2e6c5911f9427249

  • \Users\Admin\AppData\Local\Temp\nsy1354.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    7af3ead73bedf48083d088228d99b200

    SHA1

    66123f71a8303951517748317a6a475e1154a7c7

    SHA256

    75ff58404f0211a16341aee2eeeb5c19afc8d7827a79b27c5aa501f53a0bad71

    SHA512

    9635319adb84555568356a63b7608fb1e7df74625d56ad1d43caa3048ef0cd8c39919c87d8ecf3841a7c770a7f2c5895239140969a23aeb7720fd03f402693b4

  • \Users\Admin\AppData\Local\Temp\nsy1354.tmp\System.dll

    Filesize

    10KB

    MD5

    0b96e50e5fd9b241435cfec46600b5a7

    SHA1

    1f79688c6bdd78b4e1812b110fd16d27c59b32d5

    SHA256

    10841d8d0a0fa457a62be63af7e30e72ffaec265470dbe16c0d61cc5b111d1e6

    SHA512

    01a5884ce81a622f81da23c4075aef4cbe68d18471908bb6082ad98bfd002c8a6c2b8069d250df0320cde22ad76eedc14a5d9369b370c2012d58575720da48b7

  • \Users\Admin\AppData\Local\Temp\nsy1354.tmp\TvGetVersion.dll

    Filesize

    6KB

    MD5

    409b195108f014b032eb5dd36ca17a12

    SHA1

    4544950c7c081fb0aeba7971bcf46f2761430f4e

    SHA256

    52b487ff38814953eae017f2751f8e2fed7284f6faa250266cbd8d749547695f

    SHA512

    fe981570f6642933c36bbd7b1fef0d7e469600d44ea9e3b94ad94e1b6bb81c98c74c0d1c8673385443daaa3750de4e7eedc49aaf38ccc56c09e2d141e27068db

  • \Users\Admin\AppData\Local\Temp\nsy1354.tmp\UAC.dll

    Filesize

    15KB

    MD5

    f6864bd1708daa67dc0e47d5624e8938

    SHA1

    dfbb5a96f13ab36712349d7c56e2e7fc9ab73819

    SHA256

    2bc962a7f596a0c0a40bf3c3dfcf77c4e8dfc49830115e636b720ab68094606b

    SHA512

    d935fb87b2ed6e668e80627f21d965df7b73dfbf47c33e02721f02cbab2c525c0f5a36eb2a84573af2fffe5db43ac8823079607b9b70bb2bf51b0df8195ff01b

  • \Users\Admin\AppData\Local\Temp\nsy1354.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    fcad39646b416b4c2e0ea259554c3ec1

    SHA1

    8cb881913d923de35e6e131c2329b20ce51fe84f

    SHA256

    bc3872dbafefc41db2191b11b7371e988736dc12c9913bead1aa953dd28ef62b

    SHA512

    d81e00ac4828cce4ada42d28845d91601a98a6647d7b4fabad23e45b1aa529297fc554771b8cf8e484525e91a58f892ba5836263a81d6c061a54801abf0beecf

  • \Users\Admin\AppData\Local\Temp\teamviewer_setup.exe

    Filesize

    1.9MB

    MD5

    13d257b6db15707dbcb2183da3dd80aa

    SHA1

    120cf548e144074e7b7e5e3880f03e2887d03dc6

    SHA256

    ad9fa4b606f56c5f68e32c8e42405cb41251ba2448b8664f907a52be475188d6

    SHA512

    699e9815526a605beab9f63dd7151acb74971e128a113e88807360135a3d9880f0d778c6357ba61895b11de5ce79d0dd6695ac7c8c1ca2f06d62e48305015dca

  • \Users\Admin\temp\TeamViewer\Version4\TeamViewer_.exe

    Filesize

    1.8MB

    MD5

    0b61c488862a805b1a544585a479fb01

    SHA1

    4f4e175ca7b8952896d374588f40d2b3e39ae945

    SHA256

    b95e277ffa4d4057840616f31a27a781e5d14cabfc0c2a8611cfa2d22937a59a

    SHA512

    4ea1d5dbcd9e4242ff589d849158ca4ea8eca83eb093e7e1dc6e2e3816461208b942d7c05a6d27c52467bc69a5d5a701b223780f17dc2949c71e4e17a853b24c

  • \Windows\SysWOW64\YKESJY\PGG.exe

    Filesize

    1.5MB

    MD5

    f8530f0dfe90c7c1e20239b0a7643041

    SHA1

    3e0208ab84b8444a69c8d62ad0b81c4186395802

    SHA256

    734439c4049ae1a832b4cc5c8d227112106406945d1a7cbb355e11a3f5e356c4

    SHA512

    5cb01517938789e006e00d69729ae7d73ad480f1ae17a80059bf81ee5d9cebb1263a35732c84f03d742684a650b116b13e6731ca80b0b9cdb3908e5588649399

  • memory/2240-24-0x0000000000A80000-0x0000000000ABA000-memory.dmp

    Filesize

    232KB

  • memory/2400-277-0x0000000000400000-0x0000000000445000-memory.dmp

    Filesize

    276KB

  • memory/2664-19-0x0000000000400000-0x000000000058B000-memory.dmp

    Filesize

    1.5MB

  • memory/2664-276-0x0000000000400000-0x000000000058B000-memory.dmp

    Filesize

    1.5MB

  • memory/2812-42-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2812-37-0x0000000002270000-0x00000000022B5000-memory.dmp

    Filesize

    276KB

  • memory/2812-29-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB