Analysis

  • max time kernel
    142s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 10:37

General

  • Target

    e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe

  • Size

    5.6MB

  • MD5

    561248aaa7cb2dfb45e0eadcbd5371f2

  • SHA1

    cf3658701a282674bcef0bf0126cb23190ae4831

  • SHA256

    e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e

  • SHA512

    29cd4ad8872d06b630712982c06a298f0fd6c8307191cf8f5309cb8566e7008911d2073a752729a0bd111c815231c65ed44d5054ecb10d25497f98bc354aae7a

  • SSDEEP

    98304:m4rtI3FrMy6bAHUaW1pN+OCej2YVC0GTOwoSBn+ADW3tt2w9G3ng41/epgb1kcF:JtI1DEp1pN+cyYVC7oA+8CX2wY3ng4pR

Malware Config

Extracted

Family

socks5systemz

C2

aqqpzfg.ru

http://aqqpzfg.ru/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8afb16c9ef95

http://aqqpzfg.ru/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86e5908f4e96148ab2865b77f80ebad9c10f7cb63037ed2ab423a43b4383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe19c4eb92933bcd

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe
    "C:\Users\Admin\AppData\Local\Temp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\is-B23QP.tmp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-B23QP.tmp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp" /SL5="$30136,5639062,54272,C:\Users\Admin\AppData\Local\Temp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2728
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

    Filesize

    3.0MB

    MD5

    053291c12720c20471fd8ab1053d80ea

    SHA1

    5dec4be200a27bce9f37b20864fbd772ecbebab2

    SHA256

    9caa6951960e970a142d0ec39a8cad98d6d36d4fb1b9ac71791c3d0b1dba4d52

    SHA512

    d0593237f96fbb40f4cfcacfc6619001ac2c7a213658c79b20a14c7a6ea06a857a3714166c0fcc9888e5039aecc13927cfa61c3736d013de13b939f3c4a45c8f

  • \Users\Admin\AppData\Local\Temp\is-B23QP.tmp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp

    Filesize

    680KB

    MD5

    548dec969992f3e928d7c5bcf6dbeccf

    SHA1

    f4da2c90b95749fbb89e1a16f55719078cb128aa

    SHA256

    9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768

    SHA512

    e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

  • \Users\Admin\AppData\Local\Temp\is-PGO6D.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-PGO6D.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • \Users\Admin\AppData\Local\Temp\is-PGO6D.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/2028-76-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2028-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2028-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2428-82-0x0000000003900000-0x0000000003C05000-memory.dmp

    Filesize

    3.0MB

  • memory/2428-67-0x0000000003900000-0x0000000003C05000-memory.dmp

    Filesize

    3.0MB

  • memory/2428-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2428-77-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2464-94-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-101-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-125-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-78-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-122-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-81-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-85-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-88-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-91-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-118-0x00000000025B0000-0x0000000002652000-memory.dmp

    Filesize

    648KB

  • memory/2464-95-0x00000000025B0000-0x0000000002652000-memory.dmp

    Filesize

    648KB

  • memory/2464-74-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-104-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-107-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-110-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-113-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-116-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2464-117-0x00000000025B0000-0x0000000002652000-memory.dmp

    Filesize

    648KB

  • memory/2728-68-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2728-69-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2728-72-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB