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22-11-2023 17:02

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Analysis

  • max time kernel
    156s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2023 17:02

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 5 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 10 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:2792
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\00029eaf-d209-4443-aef9-934c9cf6d72b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:2508
    • 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:2220
      • 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:1984
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1984 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2924
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2220 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    1KB

    MD5

    e8115cd4deb7c7f08d5b40eea4c336c6

    SHA1

    55dc5c576eaa87bd87380f5ff11ded0bc434bfcf

    SHA256

    792cb4f801fd293addb64d6686077ef8b034cda21dfee3110f23a995c9dedf19

    SHA512

    0a3e98e2628e27263e0ec3b9370642468ca62cc03023c5a5776a776b99388b5bc266fe509f42d82855740548a8e2b13eba68f6c0c51ad4edb804c79555b1877d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

    Filesize

    724B

    MD5

    8202a1cd02e7d69597995cabbe881a12

    SHA1

    8858d9d934b7aa9330ee73de6c476acf19929ff6

    SHA256

    58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

    SHA512

    97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

  • 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\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    410B

    MD5

    4364e4eebe2a561352d62354e59fbc33

    SHA1

    a049236d2a4058fa94111caa49bbaa26a18888de

    SHA256

    c27d82a569ede8372b34dbf3d011af9039f832d6df59cae167bfc27d12bd77e1

    SHA512

    519d8a03e2b4191698a4a79813cb9e3194d26a8ebb8a0ea1aad41b43dc8cbcc78d0a5f6e44b918c2ead5a413c6ce05fa2edf99dbdd77c49988366a4f4d5c2b1c

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

    Filesize

    344B

    MD5

    b0d594ca3b0b1dbfd96d3d220fc6bb70

    SHA1

    7807da2732078922712f9e5b5041260fcaae4304

    SHA256

    f7eb86b00d0328bbaaf3750179f3d2059e63f7616197047d7ce924d502c3ed38

    SHA512

    64cdaa49ef91363d082aa207b2e9d3004227c264ea1da4c70f8f48a389dffa154da251d211a7cff6f8d20afbd41ecde23687ae02340f8af573a0ab12d9ae186d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

    Filesize

    392B

    MD5

    878a5a576cafde6e1ac60ad9687a77f8

    SHA1

    0ea5bbce4ef69c9b11588ccd5ee7c56a5af02ca9

    SHA256

    8030344c0d87dba43cd71fbfb78123401c8cf5c736bf81083d90e5fe04131ec2

    SHA512

    a6419a9a27a03f590c6470a291d6ccdcdba63f1e3bcdcade0b52236cb6f3d233e9a7f315508eba8051e23313fa8a692bb90217526d4e205531808606746e8eb2

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

    Filesize

    242B

    MD5

    18f803474e54d45de2135756b2d39ca8

    SHA1

    81794bf2dee28e0a66b999df0429de1ea53b1766

    SHA256

    f7de381e0e1695cc08a8717bbe634f5e95fd4c42c9d99754b628c20c68160222

    SHA512

    33f6570d6cc20f3677094ab5f4931472eb125196546113e950c328a1e700c56b9fab581abe045ab566cc6483c6cb5f2f7541b1ee8e3a181fcc54331592a3350a

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

    Filesize

    242B

    MD5

    18f803474e54d45de2135756b2d39ca8

    SHA1

    81794bf2dee28e0a66b999df0429de1ea53b1766

    SHA256

    f7de381e0e1695cc08a8717bbe634f5e95fd4c42c9d99754b628c20c68160222

    SHA512

    33f6570d6cc20f3677094ab5f4931472eb125196546113e950c328a1e700c56b9fab581abe045ab566cc6483c6cb5f2f7541b1ee8e3a181fcc54331592a3350a

  • C:\Users\Admin\AppData\Local\00029eaf-d209-4443-aef9-934c9cf6d72b\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

    Filesize

    669KB

    MD5

    ead18f3a909685922d7213714ea9a183

    SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

    SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • C:\Users\Admin\AppData\Local\Temp\Cab17E4.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar97AE.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/1984-86-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1984-49-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1984-100-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1984-101-0x0000000000590000-0x0000000000690000-memory.dmp

    Filesize

    1024KB

  • memory/1984-52-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1984-51-0x0000000000590000-0x0000000000690000-memory.dmp

    Filesize

    1024KB

  • memory/2220-48-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2220-29-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2220-83-0x0000000002560000-0x0000000002609000-memory.dmp

    Filesize

    676KB

  • memory/2220-46-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2220-45-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2220-44-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2220-82-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2220-47-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB

  • memory/2220-28-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB

  • memory/2452-55-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2452-102-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2452-104-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2452-54-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2792-25-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2792-26-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/2792-24-0x0000000003780000-0x0000000003829000-memory.dmp

    Filesize

    676KB

  • memory/2792-23-0x0000000003770000-0x0000000003819000-memory.dmp

    Filesize

    676KB

  • memory/2792-3-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2792-2-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB

  • memory/2792-0-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2924-84-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2924-85-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2924-98-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2924-99-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2924-80-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB