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Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 18:03

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 6 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\2ee00bf3-7574-4396-8bb2-97834199bba3" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:2716
    • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2528 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1812
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2608 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
    Filesize

    1KB

    MD5

    2365869258df7a66a2121b802ca4afd9

    SHA1

    73acc30a2edeb9d6830de559bb8a74f35168135d

    SHA256

    d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed

    SHA512

    795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
    Filesize

    436B

    MD5

    1bfe0a81db078ea084ff82fe545176fe

    SHA1

    50b116f578bd272922fa8eae94f7b02fd3b88384

    SHA256

    5ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f

    SHA512

    37c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
    Filesize

    174B

    MD5

    6fef2e14198b8b20579a24fa4a4b6c03

    SHA1

    116a829953dfe8ea9a4ccabe02ab3aaf9ef8cc1b

    SHA256

    327dd720d81af714470190bf9dba4a6f2487dc743fe493746687e20094c9df27

    SHA512

    9e96899f2ed81d29dacdfc937797da527edc9325c34ccfb54a4f5f72747af3ebdfd64122d38c322915346e58ed36bf163f52513430365fbfe3cc141776fcbfa0

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    ff33efa5d36bf6fb2146f0b218698359

    SHA1

    76d367e8255a6ad326dec90839086a64d2039faa

    SHA256

    535512cca06e83d6122063c9a861bd0b419270382f46102265e1b5ed2946a04e

    SHA512

    f6d28d78e9c028aaf355c169fbe1c3764255c6d834f76aad016b3f14553347237db02a6c651329176b3b759fe530600e275bccfdc7486e4afe2cda4bf788b340

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
    Filesize

    170B

    MD5

    930869ad5faa49ff8efb61941e160918

    SHA1

    f77d1942c7a6a821aed33aa0bc1a499d593035e6

    SHA256

    ec6c4afc3fa9701164d4a85abf041524db799811c17bc687cafce5b062d16bad

    SHA512

    3950c0a07de3bc3368fc344ea8f805848f16216f544bd3f2fc91bc7de83d686b7156da5acd2b840f9c87cac57f57afed9bf142de421a9369cc4075e11e5908c4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    242B

    MD5

    2b376d3131372c135fa28184b24c69ad

    SHA1

    a514a741b41e2175ad5c6d7b1234362eb3cca2d6

    SHA256

    4cf3e360b73c5028403082b55b814c35f64d8191be8a541c665851747b9a7f45

    SHA512

    579f8b8c727a3243d68735b427ad0a3718e5da0724ef8ad4139ddfd7b0246bd33b0f005b3685b72de48e419a4a78ad68f5f90e770ac66ec828b4481524ce0224

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    242B

    MD5

    60ecf1f9814201a6be0d24b58220a1b5

    SHA1

    b28a4b734f7529177d7fb699245f78325a9c7c6c

    SHA256

    ecadfc9762acb271d493ab913b6e0beb9dc8f2b888c9d24bb8b99d3d54fe0a71

    SHA512

    f2c78b9809f04153cb809c3f361001f04b809e3dfeaf00b2b213898d4488de38430b8546754bbad04b933de9f167f92cfd7913e8737c6a5da73a3a1a8bfe593e

  • C:\Users\Admin\AppData\Local\2ee00bf3-7574-4396-8bb2-97834199bba3\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    Filesize

    669KB

    MD5

    ead18f3a909685922d7213714ea9a183

    SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

    SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • C:\Users\Admin\AppData\Local\Temp\Cab3562.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarB0BA.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1260-23-0x0000000000600000-0x0000000000700000-memory.dmp
    Filesize

    1024KB

  • memory/1260-24-0x0000000000400000-0x0000000000476000-memory.dmp
    Filesize

    472KB

  • memory/1260-25-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1260-0-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1260-2-0x0000000000600000-0x0000000000700000-memory.dmp
    Filesize

    1024KB

  • memory/1260-3-0x0000000000400000-0x0000000000476000-memory.dmp
    Filesize

    472KB

  • memory/1260-21-0x0000000003D00000-0x0000000003DA9000-memory.dmp
    Filesize

    676KB

  • memory/1812-81-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1812-70-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1976-84-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1976-47-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2528-46-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2528-82-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-45-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-29-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-44-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-43-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-42-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-26-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-83-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2608-28-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB