Analysis

  • max time kernel
    164s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 01:54

General

  • Target

    4a77be6ecf6173bce8c6be303e453e17aa31f5d343b5a2f200502fab7d00eb8d.exe

  • Size

    931KB

  • MD5

    055837246331ff41823759d885bfdc3a

  • SHA1

    0f0d5a3ecbc65e65b4b90ae4de909dcb43c219dd

  • SHA256

    4a77be6ecf6173bce8c6be303e453e17aa31f5d343b5a2f200502fab7d00eb8d

  • SHA512

    2b5625e0da49f71d3ced94d0244630d72fa58fd10e70531f445215495dce7ec6c88c10fdb7861197fe700d35bfb53be8edd8e17269e58011b69b34418c2d427f

  • SSDEEP

    24576:h1OYdaOwCZ/iWCvu/2sWsJA/jlt+DHhsB:h1Os6CpYO/dJJDHhsB

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Drops Chrome extension 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a77be6ecf6173bce8c6be303e453e17aa31f5d343b5a2f200502fab7d00eb8d.exe
    "C:\Users\Admin\AppData\Local\Temp\4a77be6ecf6173bce8c6be303e453e17aa31f5d343b5a2f200502fab7d00eb8d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\k2mOMvV4f97l9zT.exe
      .\k2mOMvV4f97l9zT.exe
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3264
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3040
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3156

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\acmnemahikflikdleabkacdlkbofjpcg\FoMCn7nzYX.js
        Filesize

        6KB

        MD5

        f02f3797471448960e11c8e43fa9ee67

        SHA1

        20bbd6de61c04e2ca775ea924bb83224ea4ed292

        SHA256

        d51facecf1a25477acf86d2c8c2db8e59605332841a3daeaa5b54b7a07158f9c

        SHA512

        0c64760e4436f7f7c1267c68675dc36c137f49cbfdfaf9566cb68b013813c040e0d9153574c137219dc8ab7bf80de86c9c9067b57abb38f664ac1b353d41fa12

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\acmnemahikflikdleabkacdlkbofjpcg\background.html
        Filesize

        147B

        MD5

        4836d88fcdb0bce3279fc0d37425af93

        SHA1

        5add9565a6b51b7f0e8b6e3cc915898f73a03073

        SHA256

        f3af3e626fe0e11fb08734eab6abb7e8e285c3e1374e61122f8885e1a467f311

        SHA512

        9008e4385c64eeead030f9d5f52a06b2ef98c1d0e7281251cf581003b36c29485fb3e66218f526f1dfc01a7a3aee11c6489d39a9cd5256d065993aa645175e45

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\acmnemahikflikdleabkacdlkbofjpcg\content.js
        Filesize

        144B

        MD5

        fca19198fd8af21016a8b1dec7980002

        SHA1

        fd01a47d14004e17a625efe66cc46a06c786cf40

        SHA256

        332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

        SHA512

        60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\acmnemahikflikdleabkacdlkbofjpcg\lsdb.js
        Filesize

        531B

        MD5

        36d98318ab2b3b2585a30984db328afb

        SHA1

        f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

        SHA256

        ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

        SHA512

        6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\acmnemahikflikdleabkacdlkbofjpcg\manifest.json
        Filesize

        498B

        MD5

        640199ea4621e34510de919f6a54436f

        SHA1

        dc65dbfad02bd2688030bd56ca1cab85917a9937

        SHA256

        e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

        SHA512

        d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\k2mOMvV4f97l9zT.dat
        Filesize

        1KB

        MD5

        0a92c834ba51f5574f187436f28dd83b

        SHA1

        17a537899503d73ba9532773c7e6d0fd72c4c49b

        SHA256

        d13b93ef4b4007640c15362c0d97df1981e80e2bd51ee669ca729611cfd9b867

        SHA512

        a4aa5e8174ee22742b18243e3aa67d52c3c8d64eaf0307d2b09d14d86c8aee106c356832dfd098406d955baa781a9b561f2e72e1b1edb1f932dc5d768b1358fd

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\k2mOMvV4f97l9zT.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\k2mOMvV4f97l9zT.exe
        Filesize

        772KB

        MD5

        5ed7019dcd0008dbcd8e54017b8c7dd9

        SHA1

        7e4457da2ff06c2170bad636c9eb7c1bb436fd06

        SHA256

        7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

        SHA512

        10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\[email protected]\bootstrap.js
        Filesize

        2KB

        MD5

        df13f711e20e9c80171846d4f2f7ae06

        SHA1

        56d29cda58427efe0e21d3880d39eb1b0ef60bee

        SHA256

        6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

        SHA512

        6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\[email protected]\chrome.manifest
        Filesize

        35B

        MD5

        3f2b5d181c54ea06a213cd7ea2f7ddae

        SHA1

        102472387f80b82479fba8af062b2a069794f53e

        SHA256

        8149d2b6c5bfeb9862a0160f95f8396b1a68ce48130635f4299d14479bc0e88b

        SHA512

        1fef7c2e5cdf0b3f1dc564feba51b5f7fc0186a00b1042fb3df4bccb637760cff2d89437a4b2e80fa62cc6108671fe4f5fe17e9ca02b1da5412ff8cd300b9e84

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\[email protected]\content\bg.js
        Filesize

        8KB

        MD5

        765f98326ca8bfa5de73d254112dd165

        SHA1

        46bd2b7c73d67e787ccc3f6401d59d3163230a98

        SHA256

        493444ec07b44dca29cdd054a7c3461f0a5f0ce154e8a1176f44200b642d36fe

        SHA512

        b2f5d6e4c2984c1a9b9c096dfb9edf43a48b8b2b72ce922a7963f7f817555f41e6a061b482090075b87dceca7c1b4dff7d8dd484750563aa733710ce17696ec4

      • C:\Users\Admin\AppData\Local\Temp\7zS52B4.tmp\[email protected]\install.rdf
        Filesize

        593B

        MD5

        a3231f8e62b247d269653fe1edbf6374

        SHA1

        fe88f7cf0c055d9fc11e6223547274116459d402

        SHA256

        32e6acd6d0d9b60c6af7d68e4f11ee38bfc61bdb81f043d1d86dc06394c0d4a7

        SHA512

        43a2f3bc77df214ca74f93a59463db80e61381bf5502ed61d78c7023618fc1511a16a070eba7e8223a8fa6bd82d093a77aab4ad4804d7c7378bc5577af205e68

      • memory/3264-132-0x0000000000000000-mapping.dmp