Analysis

  • max time kernel
    147s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 16:56

General

  • Target

    63e8b616cf52885a6e08c0fa8035bba9.exe

  • Size

    2.2MB

  • MD5

    63e8b616cf52885a6e08c0fa8035bba9

  • SHA1

    d1c0d63e590a28cfc44abaa90f05e6d6e8677672

  • SHA256

    fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088

  • SHA512

    3daaf2a5658956b8ee69f5a087b1d4bc289b07e633d662c7a739890bd13aa80ae6111d9541c71399f223795aff86036c45057d2b11025075fd981888934a2a48

  • SSDEEP

    49152:32TsLSQNQWFvBNHiS0uO7a1n4XRApYm0hSUKvbko4tH:mQtKWF7Hr87NXRAOm02EtH

Malware Config

Extracted

Family

socks5systemz

C2

http://aabwgru.ru/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cfe12c0ec9d

http://aabwgru.ru/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12eab517aa5c96bd86e9918e4c875a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ed94993bce67

Signatures

  • Detect Socks5Systemz Payload 4 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63e8b616cf52885a6e08c0fa8035bba9.exe
    "C:\Users\Admin\AppData\Local\Temp\63e8b616cf52885a6e08c0fa8035bba9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\is-N92SP.tmp\63e8b616cf52885a6e08c0fa8035bba9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N92SP.tmp\63e8b616cf52885a6e08c0fa8035bba9.tmp" /SL5="$8001C,1993719,54272,C:\Users\Admin\AppData\Local\Temp\63e8b616cf52885a6e08c0fa8035bba9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2104
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2460

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          64KB

          MD5

          84910af9948eeaa6afc33609c84c2b93

          SHA1

          2e392e955a333fc6dc70e4da1e533024483d5760

          SHA256

          3c9d2d226a0907c1d3ec99819e65537628e8ed6f7b2986d590381269925a6626

          SHA512

          0cf85cb85db91691a99fa4f71c2b9144796b5df9dcdf381320f36432b5092e268dc28b187f23dedf01dda64c46eb2b612c38fb62e176465f806c88865ea2567f

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          2.2MB

          MD5

          8e349bff47839474545f2217a5bddcc5

          SHA1

          4ac10a9dbb090a56c5139c00c81bf35eb35bf359

          SHA256

          ba225cea18c80260836604d13bcc8d9934741be009ee19fed27af92952c44c05

          SHA512

          6cf7cc4abcb7b3f3b3d15676c408dac175a2f9192ef61c7a87786f5d129e17e7be75d9b256b8c95e05b4d606a4abfbf740ac05e298fc624754baee117573a453

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          343KB

          MD5

          b2c4f5de445b878b5b89b91d8f915b00

          SHA1

          31913b30b94614e4410170f1abb1c4a2afc89e3b

          SHA256

          59de8231bb0540bac611eaddfa0c8713df56682d3925178b8c1b4e928ea67ea6

          SHA512

          b5d2ca4d0f80fac5995f8dbb0a798980b14eaa5aedebfb9211ae8028e144c662ceacf9c63e29df5d350b40405c337b360e92c5d0870c49b3ac147cd185943b8e

        • \Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          832KB

          MD5

          67fbf2e1645f6faafe358e2436341e37

          SHA1

          411e00b2dd78d918c5a5baf7a8ccd8e7fbc4f79e

          SHA256

          2e28788a018c0816b8849905bc800042347d761045be04d34a20b995032b7189

          SHA512

          1fedf2a7afa555bf2ce13a892da0e2429094fd289b907d5938957d60566371bdebc5c666e2bd085721e06cefe64eb19f974a2707ec1fe155c482c339e71f8073

        • \Users\Admin\AppData\Local\Temp\is-AM21M.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-AM21M.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-N92SP.tmp\63e8b616cf52885a6e08c0fa8035bba9.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • memory/1808-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1808-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2104-44-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2104-45-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2104-46-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2104-49-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-86-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-90-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-53-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-108-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-105-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-56-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-103-0x00000000025D0000-0x0000000002672000-memory.dmp

          Filesize

          648KB

        • memory/2460-102-0x00000000025D0000-0x0000000002672000-memory.dmp

          Filesize

          648KB

        • memory/2460-61-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-62-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-65-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-66-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-69-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-72-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-75-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-77-0x00000000025D0000-0x0000000002672000-memory.dmp

          Filesize

          648KB

        • memory/2460-83-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-99-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-89-0x00000000025D0000-0x0000000002672000-memory.dmp

          Filesize

          648KB

        • memory/2460-51-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-93-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2460-96-0x0000000000400000-0x0000000000640000-memory.dmp

          Filesize

          2.2MB

        • memory/2896-9-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2896-58-0x0000000003300000-0x0000000003540000-memory.dmp

          Filesize

          2.2MB

        • memory/2896-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2896-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2896-42-0x0000000003300000-0x0000000003540000-memory.dmp

          Filesize

          2.2MB