Analysis

  • max time kernel
    151s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 22:06

General

  • Target

    d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140.exe

  • Size

    276KB

  • MD5

    6fc9affedb2bf0264a67c162132c9d70

  • SHA1

    7ff9050809cb60260ee08155602440d8fbd51f68

  • SHA256

    d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140

  • SHA512

    965e72951b96805130a01296efac50f3a9d87869dc9ed0c7eaaf5b942bb93c7aec207ac659b63d79420b6f80316bcf12e080026035793872697e1b049127c0e0

  • SSDEEP

    6144:yk4qmAnl9o0u2GVUgxddg7FiaxIZJOKVTn2/O3/vQDFaDgwN7H:N9b/9GeugRiax0tI27Dhp

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

victima

C2

argentina24.no-ip.org:90

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    System

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    147854

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140.exe
    "C:\Users\Admin\AppData\Local\Temp\d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:1428
      • C:\Users\Admin\AppData\Local\Temp\d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140.exe
        "C:\Users\Admin\AppData\Local\Temp\d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1992
        • C:\Windows\System\server.exe
          "C:\Windows\System\server.exe"
          3⤵
          • Executes dropped EXE
          PID:276

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    3
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt
      Filesize

      229KB

      MD5

      6ebd7a31966c3c1e2f341b04992ac1de

      SHA1

      baa9c9c7f26659fa574215dc9e972db551e32265

      SHA256

      4a27c33c7845708fcd4f6e7a76235df3fc8ee67981c12dc3d5af3419868ea1f6

      SHA512

      62366c171fa260491a0371dcb91e02a66422ac2bf57fcdc91bfefd1706f64301c42116d94cc95733d3dff44aa362c4b1c44e1b1f01e8dd091d14ddadb7e7d984

    • C:\Windows\System\server.exe
      Filesize

      276KB

      MD5

      6fc9affedb2bf0264a67c162132c9d70

      SHA1

      7ff9050809cb60260ee08155602440d8fbd51f68

      SHA256

      d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140

      SHA512

      965e72951b96805130a01296efac50f3a9d87869dc9ed0c7eaaf5b942bb93c7aec207ac659b63d79420b6f80316bcf12e080026035793872697e1b049127c0e0

    • C:\Windows\system\server.exe
      Filesize

      276KB

      MD5

      6fc9affedb2bf0264a67c162132c9d70

      SHA1

      7ff9050809cb60260ee08155602440d8fbd51f68

      SHA256

      d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140

      SHA512

      965e72951b96805130a01296efac50f3a9d87869dc9ed0c7eaaf5b942bb93c7aec207ac659b63d79420b6f80316bcf12e080026035793872697e1b049127c0e0

    • \Windows\system\server.exe
      Filesize

      276KB

      MD5

      6fc9affedb2bf0264a67c162132c9d70

      SHA1

      7ff9050809cb60260ee08155602440d8fbd51f68

      SHA256

      d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140

      SHA512

      965e72951b96805130a01296efac50f3a9d87869dc9ed0c7eaaf5b942bb93c7aec207ac659b63d79420b6f80316bcf12e080026035793872697e1b049127c0e0

    • \Windows\system\server.exe
      Filesize

      276KB

      MD5

      6fc9affedb2bf0264a67c162132c9d70

      SHA1

      7ff9050809cb60260ee08155602440d8fbd51f68

      SHA256

      d019e54a5b8df3ebc2b7520e64d4833cfacabd3dfd41bbae810971d7fb95a140

      SHA512

      965e72951b96805130a01296efac50f3a9d87869dc9ed0c7eaaf5b942bb93c7aec207ac659b63d79420b6f80316bcf12e080026035793872697e1b049127c0e0

    • memory/276-81-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/276-76-0x0000000000000000-mapping.dmp
    • memory/276-82-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1764-63-0x00000000003A0000-0x00000000003F7000-memory.dmp
      Filesize

      348KB

    • memory/1764-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
      Filesize

      8KB

    • memory/1764-57-0x0000000024010000-0x0000000024072000-memory.dmp
      Filesize

      392KB

    • memory/1764-55-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1764-64-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1764-70-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1992-67-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1992-71-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1992-79-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB

    • memory/1992-80-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB

    • memory/1992-61-0x0000000000000000-mapping.dmp
    • memory/1992-69-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1992-83-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1992-84-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB

    • memory/1992-85-0x0000000004AB0000-0x0000000004B07000-memory.dmp
      Filesize

      348KB