Analysis

  • max time kernel
    46s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 04:08

General

  • Target

    f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe

  • Size

    5.6MB

  • MD5

    e5dc0eb2e26a15f8a853aa7d59f60efa

  • SHA1

    26e16ced234195d062309d7983a50d27dd233998

  • SHA256

    f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98

  • SHA512

    9160b2dd0dc58cc4132eaef34cb89097d2b4315b67aad3ff9b148f77bf5f0525bf037f83847709ee87150f4ae362dc13760f79fb723e345e7262f5a0032b1513

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe
    "C:\Users\Admin\AppData\Local\Temp\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Users\Admin\AppData\Local\Temp\is-TD592.tmp\is-DC742.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-TD592.tmp\is-DC742.tmp" /SL4 $70120 "C:\Users\Admin\AppData\Local\Temp\3582-490\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe" 5538907 52736
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe

    Filesize

    5.6MB

    MD5

    bf1028f7deec090b3074f0bf7ddfb799

    SHA1

    9764e4400df757abb43808fbc29b42b99bfcce9c

    SHA256

    4057712e07b99b1faef03be75c63f447f8ed483ee81de6ed03bda65be5fe4c0f

    SHA512

    dfe763ed0a70ad766f98b4f1a094fc18f12f5966abbfc2e63ec45af743ab70b38ebb848862f01bf389627fce0f8b5ccd6f2c6f846547aa3e99dea6ef9d3e98af

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe

    Filesize

    5.6MB

    MD5

    bf1028f7deec090b3074f0bf7ddfb799

    SHA1

    9764e4400df757abb43808fbc29b42b99bfcce9c

    SHA256

    4057712e07b99b1faef03be75c63f447f8ed483ee81de6ed03bda65be5fe4c0f

    SHA512

    dfe763ed0a70ad766f98b4f1a094fc18f12f5966abbfc2e63ec45af743ab70b38ebb848862f01bf389627fce0f8b5ccd6f2c6f846547aa3e99dea6ef9d3e98af

  • C:\Users\Admin\AppData\Local\Temp\is-TD592.tmp\is-DC742.tmp

    Filesize

    659KB

    MD5

    a3f52b5725fbb69b7ce97e1f59e2becf

    SHA1

    385b8a328fdf19d32b0ff05c970348f5c67446fd

    SHA256

    f44e83482ab39151da7f839ea90fffb08b026df5e8e238f923827e818cdcb1b0

    SHA512

    dfcfc641bee2e97e347b17c1be236b256e9a46fe7ae9e41d4c9b8e23e6b5e632d4eaac97456268c5550dacbf2dea46ee42fdfd9c4d366c9b63044ae3e63e92de

  • C:\Users\Admin\AppData\Local\Temp\is-TD592.tmp\is-DC742.tmp

    Filesize

    659KB

    MD5

    a3f52b5725fbb69b7ce97e1f59e2becf

    SHA1

    385b8a328fdf19d32b0ff05c970348f5c67446fd

    SHA256

    f44e83482ab39151da7f839ea90fffb08b026df5e8e238f923827e818cdcb1b0

    SHA512

    dfcfc641bee2e97e347b17c1be236b256e9a46fe7ae9e41d4c9b8e23e6b5e632d4eaac97456268c5550dacbf2dea46ee42fdfd9c4d366c9b63044ae3e63e92de

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\f6319117288471b42d4935c3972b20fbfbfaad0f4811aaba2561eff4ba1c4b98.exe

    Filesize

    5.6MB

    MD5

    bf1028f7deec090b3074f0bf7ddfb799

    SHA1

    9764e4400df757abb43808fbc29b42b99bfcce9c

    SHA256

    4057712e07b99b1faef03be75c63f447f8ed483ee81de6ed03bda65be5fe4c0f

    SHA512

    dfe763ed0a70ad766f98b4f1a094fc18f12f5966abbfc2e63ec45af743ab70b38ebb848862f01bf389627fce0f8b5ccd6f2c6f846547aa3e99dea6ef9d3e98af

  • \Users\Admin\AppData\Local\Temp\is-NUGVV.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • \Users\Admin\AppData\Local\Temp\is-NUGVV.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-NUGVV.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-TD592.tmp\is-DC742.tmp

    Filesize

    659KB

    MD5

    a3f52b5725fbb69b7ce97e1f59e2becf

    SHA1

    385b8a328fdf19d32b0ff05c970348f5c67446fd

    SHA256

    f44e83482ab39151da7f839ea90fffb08b026df5e8e238f923827e818cdcb1b0

    SHA512

    dfcfc641bee2e97e347b17c1be236b256e9a46fe7ae9e41d4c9b8e23e6b5e632d4eaac97456268c5550dacbf2dea46ee42fdfd9c4d366c9b63044ae3e63e92de

  • memory/852-54-0x0000000076021000-0x0000000076023000-memory.dmp

    Filesize

    8KB

  • memory/1500-63-0x0000000000000000-mapping.dmp

  • memory/1700-56-0x0000000000000000-mapping.dmp

  • memory/1700-65-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1700-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB