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Analysis

  • max time kernel
    143s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-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:2180
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\7e9976e4-2182-4abc-8b3c-8d50de63a90c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:2688
    • 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:2840
      • 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:1952
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1952 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2012
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2840 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1760

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

    080041e667ab5b19f7074b31db23c708

    SHA1

    51b4ad8365cbbf3dc4e24ed6353a2168c23ecd11

    SHA256

    04e536f074d6deafff484c81513a1bf541b79c70d74c3aced5131a28c907a65e

    SHA512

    f80d4826c973e334be1f3ca13e207463864219f7b2afd11a44c3d738d34d00c442abbde27cd536d9e2415e7efa1dd418b0c34571818360a02fea8b330a458d1a

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

    344B

    MD5

    8786cd0adcb1df61142545f8b7d34560

    SHA1

    f457a2018762bc772efeac89f70455ba2f367ef9

    SHA256

    d2ec886d9bc5016e8003e7d6d3ed669d69ddb1372e502fa248513db6674cc8cf

    SHA512

    5886d2c00fcbcb875d704439892afa35de412b40bbaccc4cc81e2c4d86ac8721daca894dc439fd0e70d4f6233b979fab43de2b6b9e5fb8fef49bd0656571e209

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

    170B

    MD5

    5c1becadb2809b8760f776d203a4f5f4

    SHA1

    6369680298822c0d03c3f819f34ccbc4fbf02de3

    SHA256

    6c5852c57f31cb0269d4f6014a374cf196c9d27dd60e789eedeee02acbdddf25

    SHA512

    62ba075701f988403fc0d4c12cf2049b90594315d4acbbfcbb5fc56bb5edf867bd27b542baace8a37e32277653d354ba922cb7128c01ec4f960a192d06391ed0

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

    242B

    MD5

    a7c4891f22a55a51cc118200a8fca37d

    SHA1

    51b40725f88b8ce3bf56b323405ca264d5d2c61d

    SHA256

    02d085a089a3156f9bcd9e1a90862af65c2edd90c7e51085c4e4dcfe73bf6c4e

    SHA512

    eae3eafa6d17197add080b7ff5c1f23b6ebab8ceafb5b5d6901453cd9a15da6cf01959bee112ad85632721a2019ebe973c7ff43719804ab355fe72a405048245

  • C:\Users\Admin\AppData\Local\7e9976e4-2182-4abc-8b3c-8d50de63a90c\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    Filesize

    669KB

    MD5

    ead18f3a909685922d7213714ea9a183

    SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

    SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • C:\Users\Admin\AppData\Local\Temp\Cab41D1.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\TarBA3C.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/1760-90-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1760-54-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1952-52-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1952-88-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/1952-77-0x00000000037F0000-0x0000000003899000-memory.dmp
    Filesize

    676KB

  • memory/2012-87-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2012-78-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2180-24-0x0000000003BF0000-0x0000000003C99000-memory.dmp
    Filesize

    676KB

  • memory/2180-2-0x00000000005D0000-0x00000000006D0000-memory.dmp
    Filesize

    1024KB

  • memory/2180-26-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2180-27-0x0000000000400000-0x0000000000476000-memory.dmp
    Filesize

    472KB

  • memory/2180-28-0x00000000005D0000-0x00000000006D0000-memory.dmp
    Filesize

    1024KB

  • memory/2180-3-0x0000000000400000-0x0000000000476000-memory.dmp
    Filesize

    472KB

  • memory/2180-23-0x0000000003BF0000-0x0000000003C99000-memory.dmp
    Filesize

    676KB

  • memory/2180-0-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-47-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-51-0x0000000002750000-0x00000000027F9000-memory.dmp
    Filesize

    676KB

  • memory/2840-53-0x0000000002750000-0x00000000027F9000-memory.dmp
    Filesize

    676KB

  • memory/2840-29-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-50-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-49-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-48-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-31-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-32-0x0000000000400000-0x00000000004A9000-memory.dmp
    Filesize

    676KB

  • memory/2840-93-0x0000000002750000-0x00000000027F9000-memory.dmp
    Filesize

    676KB