Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 22:55

General

  • Target

    d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe

  • Size

    5.8MB

  • MD5

    796ab80b09fbefdeb060289adfd5c7a7

  • SHA1

    15ddb91009a1bae970bf616df0a6eaecf7ffa37c

  • SHA256

    d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417

  • SHA512

    b08566723c58d155ba18fe0df6bf392a977f74c37377bc297a8a8f2a47ef211f6ebd7552f176e5031537a9693c125a7c18e4d1208e67d18cc4e03b47ecd067f7

  • SSDEEP

    98304:PX4qk/3tfGAIvZ8XZZrTQIzA2+QdGJvN02pBPVUIt8Ug7Riyazx10g:vNauAiZ+rQolGJvm2pBP38Ucsyaf

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe
    "C:\Users\Admin\AppData\Local\Temp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\is-QECIR.tmp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QECIR.tmp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp" /SL5="$50148,5392747,721408,C:\Users\Admin\AppData\Local\Temp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" pause avidenta_11135
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2648
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 pause avidenta_11135
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3052
      • C:\Users\Admin\AppData\Local\Avidenta 1.3.3\avidenta364.exe
        "C:\Users\Admin\AppData\Local\Avidenta 1.3.3\avidenta364.exe" -i
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Avidenta 1.3.3\sqlite3.dll

    Filesize

    630KB

    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \Users\Admin\AppData\Local\Avidenta 1.3.3\avidenta364.exe

    Filesize

    3.3MB

    MD5

    7b7c120acc0e8c1412dbb61695fd3154

    SHA1

    475903346162932821d2ee78f5bb705c1f9ecba4

    SHA256

    a1a33ace9bc632fd967fe9c9c56fda354d042bb99750df676874af923badfc46

    SHA512

    c03b428d91e9fda38228600487312caf768e01724de5a1a36a3a14239e5393c2ddad55c08e7cf0fa24ee591f184ea1a17ec146596cbb046cea34f9fc3a92b7fd

  • \Users\Admin\AppData\Local\Temp\is-44K16.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-QECIR.tmp\d27bb38270ef89e710729a2c00e6f06f9d9a7a85f5278bdb909c440c735fd417.tmp

    Filesize

    2.4MB

    MD5

    01ba022bc7a14fcca5421a7acc708a7c

    SHA1

    9246c6d29adcb6b15e8cd8012f0f119e5d0f2276

    SHA256

    7462adefa4980b1f84be9eb8cd2c060f4274fa3e7dad2757f388bad0a3821cf5

    SHA512

    0d9e1bf24a8e78645f3e4aeae420cb1e599693a543156989bf36e291beacf336cae49c85aba624723125815da80c414cd9de2c3dddb3ff30a28898affd798732

  • memory/1580-2-0x0000000000401000-0x00000000004A9000-memory.dmp

    Filesize

    672KB

  • memory/1580-0-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/1580-73-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2608-107-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-95-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-68-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-133-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-66-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-76-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2608-75-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-79-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-83-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-87-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-91-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-129-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-97-0x0000000002B30000-0x0000000002BD2000-memory.dmp

    Filesize

    648KB

  • memory/2608-103-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-124-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-120-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-112-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2608-116-0x0000000000400000-0x000000000074B000-memory.dmp

    Filesize

    3.3MB

  • memory/2684-109-0x00000000038F0000-0x0000000003C3B000-memory.dmp

    Filesize

    3.3MB

  • memory/2684-8-0x0000000000400000-0x0000000000679000-memory.dmp

    Filesize

    2.5MB

  • memory/2684-63-0x00000000038F0000-0x0000000003C3B000-memory.dmp

    Filesize

    3.3MB

  • memory/2684-72-0x0000000000400000-0x0000000000679000-memory.dmp

    Filesize

    2.5MB