Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 11:26

General

  • Target

    177f1b0037e9049a0d6053e4d8f9c559_JaffaCakes118.exe

  • Size

    276KB

  • MD5

    177f1b0037e9049a0d6053e4d8f9c559

  • SHA1

    a0ed835eaea2340b4c71790118c63e652198712d

  • SHA256

    34a65b57787c51feeedee27f31929414575895179fdd56742813d676903bd6c2

  • SHA512

    ce0bfc520b1dd9bea96f8effdddb9b3bcc5bd32e8f38c282733fe7a95a854c796f44ced1d2760c26fa826fc63049424d07ff4c8077fd0cf63d1990376651b1bb

  • SSDEEP

    6144:DsaocyLC+0Tw36cMizSElQ06JMYHcGpW2KfG/dB:DtobtlMijlQlJMYRYcX

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\177f1b0037e9049a0d6053e4d8f9c559_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\177f1b0037e9049a0d6053e4d8f9c559_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\i5.exe
      C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\i5.exe 50b892e5-d96c-476b-834e-555c5bc06f2f.exe /t /dT131970353S /e5746768 /u50b892e5-d96c-476b-834e-555c5bc06f2f
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\50b892e5-d96c-476b-834e-555c5bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\50b892e5-d96c-476b-834e-555c5bc06f2f.exe" /t /dT131970353S /e5746768 /u50b892e5-d96c-476b-834e-555c5bc06f2f
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3388

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\12236C41CDDF9E40BA5606CDF086B821

          Filesize

          76KB

          MD5

          34a9f060b2f0dfc405752cd5bcbbb05f

          SHA1

          efe45500b7fe4e75338a6a23f8fa00d5d7ab5285

          SHA256

          7066eb0cacd37f938cac2f481000b1591ae71aae0c2917548d78fae52a3da543

          SHA512

          f1a729e3fce4a75ca45b97f371be50eb9c40ef7c97ee3dba3afde53adb8f46a828f0c32251e9e0833f29abcdf9bdc2af78374185652672ac001a2b973ba0b115

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

          Filesize

          604B

          MD5

          3a0e39c53630ecfc2720aee27fe32557

          SHA1

          ce9b2fbd4efce495b07ac98b4cb54b12dd3cf3c0

          SHA256

          18da8779683e3e688ac75a896d738eb4e958763e153e56cb06432bafd3d6ef38

          SHA512

          3598a8fa245b68d4ea236355c00c80710105704efb08e889edea0afd79e079224083c0d034e6b2454189bb8057ea9037ae48e0791bc5b6c54a4af90541fda166

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

          Filesize

          5B

          MD5

          5bfa51f3a417b98e7443eca90fc94703

          SHA1

          8c015d80b8a23f780bdd215dc842b0f5551f63bd

          SHA256

          bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

          SHA512

          4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\12236C41CDDF9E40BA5606CDF086B821

          Filesize

          202B

          MD5

          78e7e62ab69cae70c6e4d03a08fd4211

          SHA1

          c88f52a37607291f1d7f4e41df5e74f5b318be0c

          SHA256

          4f74bc3ae610e5398b54cba9c1be1e4f1d82da69c225dbc069a4b78c10dd4f55

          SHA512

          3da6d4f7cbe26dd4607450628c9a3913db6a323265b8a245ca0077ce02666878dae0c45f4e15dfffda6a8c936c051d94663c8222dab47c0a16b522f42999a131

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EDCF682921FE94F4A02A43CD1A28E6B

          Filesize

          188B

          MD5

          4a256de9a120f86c11a6700661f530c4

          SHA1

          4761d961990f865eb1a2c4c90d708e40726b907e

          SHA256

          ccb125020665c3834ebb5c5500844ee56aeae840403b61a31b910ef9a4885267

          SHA512

          1798911a1a4a76202f1a89952fd7add7668407ac02d1ceac359b349eb738d67b58de880e76c9fa1fed2428d1145ea4d1c16789ed7b6e2b4c65fcde75b04184e4

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

          Filesize

          404B

          MD5

          17995ac8b3962d52e6d470eb199def8d

          SHA1

          0bce3d9ecab46288e2d5e7bffc39a7b1f8c18bce

          SHA256

          308668532eff9b892cdf224500b10d73f8e2b90489a3b56118bfe728421f5f89

          SHA512

          c2ab0a9f87493ae4322af1a4c9e2a3a0d70d1611552f242942afbe1e50a279d3d175a9cfa30a369e3a4f47f9f897ab94f76f4965df147d6af4f3d828e85d46cb

        • C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\50b892e5-d96c-476b-834e-555c5bc06f2f.exe

          Filesize

          256KB

          MD5

          6e68cf541f031c7de9da6ec8d86862aa

          SHA1

          115f143b5f585a27006159dc1b2d4d23a7af5295

          SHA256

          d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

          SHA512

          022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

        • C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\i5.exe

          Filesize

          214KB

          MD5

          0b168b79397a1c3d5a181787e27ea323

          SHA1

          1867e953755169de011fd12009c2f42f300a9d47

          SHA256

          c681e32d308452ee7c24eeebb335ee86cfe42783db2289ef2caa0d0671b53d5a

          SHA512

          3b3e2ff7ad58a677cfbd22dec0c294e0b27ec0b81e8e6e20f45ac228c90472318ec0bec15d6689180b73061b94ea750049688ee5ed95a4e1d205eb94e7d0a250

        • C:\Users\Admin\AppData\Local\Temp\nsz9EA3.tmp\nsExec.dll

          Filesize

          8KB

          MD5

          249ae678f0dac4c625c6de6aca53823a

          SHA1

          6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

          SHA256

          7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

          SHA512

          66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

        • memory/1660-11-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/1660-10-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/1660-9-0x0000000074B02000-0x0000000074B03000-memory.dmp

          Filesize

          4KB

        • memory/1660-56-0x0000000074B02000-0x0000000074B03000-memory.dmp

          Filesize

          4KB

        • memory/1660-57-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/1660-61-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/3388-52-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/3388-53-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/3388-45-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/3388-54-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/3388-55-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/3388-59-0x0000000074B00000-0x00000000750B1000-memory.dmp

          Filesize

          5.7MB

        • memory/4856-65-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB