Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2023 02:05

General

  • Target

    f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57.exe

  • Size

    176KB

  • MD5

    d9eddda7d5612d8d06f776ad3a7b02d8

  • SHA1

    6668d5182ead5ae508ad9b88315ad5c05ead300f

  • SHA256

    f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57

  • SHA512

    01f35c458b8a5c6e3fbc81650877a328142875eac9200404c426c2e7419b2e5cae0ad70591e3ee615902cba9587aac7c7aebeb4d6edbd258c0f631ff525f7e07

  • SSDEEP

    3072:kf5xz1afMRJnVIQJWafmU+qMoDfHHZOSHq8VNb/wddl1Udze1Wigr+:6hrRJnVPfj1MUfZhHq++nUdze4igi

Malware Config

Extracted

Family

mylobot

C2

fywkuzp.ru:7432

zdrussle.ru:2173

pseyumd.ru:5492

stydodo.ru:2619

tqzknrx.com:1123

mdcqrxw.com:4984

tpwtgyw.com:9631

cnoyucn.com:9426

qhloury.com:4759

fnjxpwy.com:3863

csxpzlz.com:5778

wlkjopy.com:8778

mynfwwk.com:8427

uuitwxg.com:6656

agnxomu.com:8881

wcagsib.com:3547

fmniltb.com:9582

oapwxiu.com:3922

petrrry.com:7531

poubauo.com:4623

Signatures

  • Mylobot

    Botnet which first appeared in 2017 written in C++.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57.exe
    "C:\Users\Admin\AppData\Local\Temp\f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57.exe
      "C:\Users\Admin\AppData\Local\Temp\f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:976
      • C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe
        "C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1876
        • C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe
          "C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:752
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:1164
            • C:\Windows\SysWOW64\notepad.exe
              "C:\Windows\system32\notepad.exe"
              6⤵
                PID:796

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe

      Filesize

      176KB

      MD5

      d9eddda7d5612d8d06f776ad3a7b02d8

      SHA1

      6668d5182ead5ae508ad9b88315ad5c05ead300f

      SHA256

      f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57

      SHA512

      01f35c458b8a5c6e3fbc81650877a328142875eac9200404c426c2e7419b2e5cae0ad70591e3ee615902cba9587aac7c7aebeb4d6edbd258c0f631ff525f7e07

    • C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe

      Filesize

      176KB

      MD5

      d9eddda7d5612d8d06f776ad3a7b02d8

      SHA1

      6668d5182ead5ae508ad9b88315ad5c05ead300f

      SHA256

      f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57

      SHA512

      01f35c458b8a5c6e3fbc81650877a328142875eac9200404c426c2e7419b2e5cae0ad70591e3ee615902cba9587aac7c7aebeb4d6edbd258c0f631ff525f7e07

    • C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe

      Filesize

      176KB

      MD5

      d9eddda7d5612d8d06f776ad3a7b02d8

      SHA1

      6668d5182ead5ae508ad9b88315ad5c05ead300f

      SHA256

      f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57

      SHA512

      01f35c458b8a5c6e3fbc81650877a328142875eac9200404c426c2e7419b2e5cae0ad70591e3ee615902cba9587aac7c7aebeb4d6edbd258c0f631ff525f7e07

    • C:\Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe

      Filesize

      176KB

      MD5

      d9eddda7d5612d8d06f776ad3a7b02d8

      SHA1

      6668d5182ead5ae508ad9b88315ad5c05ead300f

      SHA256

      f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57

      SHA512

      01f35c458b8a5c6e3fbc81650877a328142875eac9200404c426c2e7419b2e5cae0ad70591e3ee615902cba9587aac7c7aebeb4d6edbd258c0f631ff525f7e07

    • \Users\Admin\AppData\Roaming\vvvsgvha\vvavjfvv.exe

      Filesize

      176KB

      MD5

      d9eddda7d5612d8d06f776ad3a7b02d8

      SHA1

      6668d5182ead5ae508ad9b88315ad5c05ead300f

      SHA256

      f391d08d54d780a6bd967810caf3d649d1dd538db9232ebd3c4a20ea74476b57

      SHA512

      01f35c458b8a5c6e3fbc81650877a328142875eac9200404c426c2e7419b2e5cae0ad70591e3ee615902cba9587aac7c7aebeb4d6edbd258c0f631ff525f7e07

    • memory/752-102-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/752-111-0x0000000000240000-0x0000000000256000-memory.dmp

      Filesize

      88KB

    • memory/796-130-0x00000000002A0000-0x00000000002B6000-memory.dmp

      Filesize

      88KB

    • memory/796-129-0x00000000002A0000-0x00000000002B6000-memory.dmp

      Filesize

      88KB

    • memory/796-128-0x0000000000130000-0x0000000000131000-memory.dmp

      Filesize

      4KB

    • memory/796-123-0x0000000000160000-0x0000000000161000-memory.dmp

      Filesize

      4KB

    • memory/976-64-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-60-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-73-0x0000000000240000-0x0000000000256000-memory.dmp

      Filesize

      88KB

    • memory/976-55-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-62-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/976-56-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-70-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-57-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-58-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/976-59-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/1164-89-0x0000000000160000-0x0000000000161000-memory.dmp

      Filesize

      4KB

    • memory/1164-106-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-103-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-109-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-107-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-100-0x0000000000160000-0x0000000000161000-memory.dmp

      Filesize

      4KB

    • memory/1164-112-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-101-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-95-0x0000000000190000-0x0000000000191000-memory.dmp

      Filesize

      4KB

    • memory/1164-114-0x00000000001A0000-0x00000000001B6000-memory.dmp

      Filesize

      88KB

    • memory/1164-92-0x0000000000170000-0x0000000000185000-memory.dmp

      Filesize

      84KB

    • memory/1164-90-0x0000000000170000-0x0000000000185000-memory.dmp

      Filesize

      84KB

    • memory/1164-87-0x0000000000160000-0x0000000000161000-memory.dmp

      Filesize

      4KB

    • memory/1968-54-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

      Filesize

      4KB