Analysis

  • max time kernel
    164s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30-05-2022 23:38

General

  • Target

    0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d.exe

  • Size

    391KB

  • MD5

    423b32ae38b2580f4538057260c6ea97

  • SHA1

    257d25308e21fc3049a231680b988554628a82a8

  • SHA256

    0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d

  • SHA512

    2a1509fd1457863cfa68a19509ea6ee7fcda6ff0b3bd7155c24a67c99ab76cc66627f1451485e19b2c8a5c2c9624d0f9af3102bb522cef8a8bcaa0226527cf33

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1010

C2

diuolirt.at

deopliazae.at

nifredao.com

filokiyurt.at

Attributes
  • exe_type

    worker

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d.exe
    "C:\Users\Admin\AppData\Local\Temp\0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\8144\13.bat" "C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe" "C:\Users\Admin\AppData\Local\Temp\0809A7~1.EXE""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C ""C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe" "C:\Users\Admin\AppData\Local\Temp\0809A7~1.EXE""
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe
          "C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe" "C:\Users\Admin\AppData\Local\Temp\0809A7~1.EXE"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1724
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1648
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1212

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\8144\13.bat
    Filesize

    108B

    MD5

    5ca8f39f2bcabc960fb8dada0622b079

    SHA1

    a7d25bfd37345725c60b68335355ff328ecf56ee

    SHA256

    441d1634ffa1f987d9d817f1f9e14aec1c30fe94db2b7ba801680a3aa414d053

    SHA512

    9e275e2ffa4ebe40ad0f8d04ae008590d6969b4adf64c256dc7b71c9b25ef9e4a317aba344e13cbb69234446b291f6118d5985d5c842d4b12a5ae82a9502609c

  • C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe
    Filesize

    391KB

    MD5

    423b32ae38b2580f4538057260c6ea97

    SHA1

    257d25308e21fc3049a231680b988554628a82a8

    SHA256

    0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d

    SHA512

    2a1509fd1457863cfa68a19509ea6ee7fcda6ff0b3bd7155c24a67c99ab76cc66627f1451485e19b2c8a5c2c9624d0f9af3102bb522cef8a8bcaa0226527cf33

  • C:\Users\Admin\AppData\Roaming\clictall\authuthz.exe
    Filesize

    391KB

    MD5

    423b32ae38b2580f4538057260c6ea97

    SHA1

    257d25308e21fc3049a231680b988554628a82a8

    SHA256

    0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d

    SHA512

    2a1509fd1457863cfa68a19509ea6ee7fcda6ff0b3bd7155c24a67c99ab76cc66627f1451485e19b2c8a5c2c9624d0f9af3102bb522cef8a8bcaa0226527cf33

  • \Users\Admin\AppData\Roaming\clictall\authuthz.exe
    Filesize

    391KB

    MD5

    423b32ae38b2580f4538057260c6ea97

    SHA1

    257d25308e21fc3049a231680b988554628a82a8

    SHA256

    0809a74e769d69d7c061cdaf71013b335a0220bec1f135a02927e0e7af32df9d

    SHA512

    2a1509fd1457863cfa68a19509ea6ee7fcda6ff0b3bd7155c24a67c99ab76cc66627f1451485e19b2c8a5c2c9624d0f9af3102bb522cef8a8bcaa0226527cf33

  • memory/1212-73-0x0000000002B10000-0x0000000002B85000-memory.dmp
    Filesize

    468KB

  • memory/1212-72-0x0000000002B10000-0x0000000002B85000-memory.dmp
    Filesize

    468KB

  • memory/1472-55-0x0000000000400000-0x0000000000465000-memory.dmp
    Filesize

    404KB

  • memory/1472-57-0x0000000000230000-0x0000000000260000-memory.dmp
    Filesize

    192KB

  • memory/1472-54-0x0000000076C81000-0x0000000076C83000-memory.dmp
    Filesize

    8KB

  • memory/1648-70-0x0000000000150000-0x00000000001C5000-memory.dmp
    Filesize

    468KB

  • memory/1648-69-0x0000000000000000-mapping.dmp
  • memory/1648-71-0x0000000000150000-0x00000000001C5000-memory.dmp
    Filesize

    468KB

  • memory/1708-58-0x0000000000000000-mapping.dmp
  • memory/1724-68-0x0000000000230000-0x0000000000260000-memory.dmp
    Filesize

    192KB

  • memory/1724-63-0x0000000000000000-mapping.dmp
  • memory/2028-60-0x0000000000000000-mapping.dmp