Analysis

  • max time kernel
    140s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2024 16:28

General

  • Target

    33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe

  • Size

    5.6MB

  • MD5

    528be357068444851c5194a3a4ad04e6

  • SHA1

    d37b162402783415908a583be6fcc169411933f1

  • SHA256

    33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64

  • SHA512

    5fe6cdfb3b14a897f5496c40fd3037a560bcac7338ea4174ee96f6a8bf755baaf0aa4656d8aa12648c8557a8c2b4a88cdc88e115d6d2509f0dd2bc4beae80dec

  • SSDEEP

    98304:Az0tpywzPOFSPnUXJFerrlcDN8Xe6OlcfNCPs55y1uB/HfFxH5mIi:i0tg9ynA+rlcD0e6OafNlTy1w/HfFHmZ

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://120.26.241.224:52847/__utm.gif

Attributes
  • access_type

    512

  • host

    120.26.241.224,/__utm.gif

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    52847

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCSyBVvMd4tLh9+W9CJyVRvl+G/u3JfXaJ2+oaSVpYZ9gTk8AoDgaXE54lJHbTNz3TYoJzu9+pl2qsX2G+E+xziM3hTLoaBctIrY0iZiZQmRd0a6yds4ZAs7TIOTXqPP0kjPEOI+5JTx0uwCPC9Z6zCA2XbbvAfku4FuQAttCPWBQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; BOIE9;ENGB)

  • watermark

    100000

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe
    "C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Public\Pictures\beacon.exe
      "C:\Users\Public\Pictures\beacon.exe"
      2⤵
      • Executes dropped EXE
      PID:2688
    • C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe
      "C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe"
      2⤵
      • Executes dropped EXE
      PID:2836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe

    Filesize

    8.5MB

    MD5

    973bc81880b01f493f786625a31b31eb

    SHA1

    18704e3406ef52e675ede908b5f8158d88ef5b0f

    SHA256

    6652a80a755644374bc38c4b99b8990e2288dbea593813d11852d40d2ce26c2d

    SHA512

    f3bce517bab0764fab0fa110479149b350e80841514a6096f5e48383ac60d7e7903b81fe8af8fc685ca13d3c94fdf85937331389fac943b2b6de5de3ac4a86b7

  • \Users\Public\Pictures\beacon.exe

    Filesize

    281KB

    MD5

    e733d3f28db97dcda9a17678d31817cf

    SHA1

    740ebd1aacbb16784601bbee921d92a948be3e86

    SHA256

    28c745de667ae05f90a2631fdb1f3611e22de7ec4e16de5f6dc653b6fb3e7f3b

    SHA512

    829e336a3ec9357740f0170dc9867628235105c770af94889d51ac2740625a5f2ac4028594db806ca9ebcbc9d4e27ec0cb0661ca089a91cadda0f79eb4c89937

  • memory/2688-28-0x0000000000780000-0x00000000007C1000-memory.dmp

    Filesize

    260KB

  • memory/2688-30-0x00000000007D0000-0x000000000081F000-memory.dmp

    Filesize

    316KB

  • memory/2688-33-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2688-34-0x00000000007D0000-0x000000000081F000-memory.dmp

    Filesize

    316KB

  • memory/2836-25-0x000007FEF55B3000-0x000007FEF55B4000-memory.dmp

    Filesize

    4KB

  • memory/2836-26-0x0000000000910000-0x0000000001196000-memory.dmp

    Filesize

    8.5MB

  • memory/2836-27-0x000000001BC80000-0x000000001BF04000-memory.dmp

    Filesize

    2.5MB

  • memory/2836-29-0x000007FEF55B0000-0x000007FEF5F9C000-memory.dmp

    Filesize

    9.9MB

  • memory/2836-31-0x000007FEF55B3000-0x000007FEF55B4000-memory.dmp

    Filesize

    4KB

  • memory/2836-32-0x000007FEF55B0000-0x000007FEF5F9C000-memory.dmp

    Filesize

    9.9MB