Analysis

  • max time kernel
    163s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08-02-2022 19:40

General

  • Target

    eaf6d694e2a4c8401d3d8d1419b8ff93dcfa9578ff76a851a0aef2c80567a7b0.exe

  • Size

    462KB

  • MD5

    91543c693baf658d6e59cc0c676db2d4

  • SHA1

    0a00cbe757b2092cf859b73e63be2b51a0020407

  • SHA256

    eaf6d694e2a4c8401d3d8d1419b8ff93dcfa9578ff76a851a0aef2c80567a7b0

  • SHA512

    3f29f8dd5d32f33aa755fd08007d4cc2675dbe819669900806ae5d327be18035aa08bd7f23d91f8fa0d2fec188c1c8bc165f33d6408d0d8cb8bd21c083e633ff

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300898

Extracted

Family

gozi_rm3

Botnet

89820235

C2

https://exeupay.xyz

Attributes
  • build

    300898

  • exe_type

    loader

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaf6d694e2a4c8401d3d8d1419b8ff93dcfa9578ff76a851a0aef2c80567a7b0.exe
    "C:\Users\Admin\AppData\Local\Temp\eaf6d694e2a4c8401d3d8d1419b8ff93dcfa9578ff76a851a0aef2c80567a7b0.exe"
    1⤵
      PID:1624
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1944
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:1913860 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1532
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1128 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1752
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:768 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1820

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1624-54-0x0000000075761000-0x0000000075763000-memory.dmp
      Filesize

      8KB

    • memory/1624-55-0x0000000000380000-0x00000000003A8000-memory.dmp
      Filesize

      160KB

    • memory/1624-56-0x0000000000400000-0x0000000000412000-memory.dmp
      Filesize

      72KB

    • memory/1624-57-0x00000000003E0000-0x00000000003F6000-memory.dmp
      Filesize

      88KB

    • memory/1624-60-0x00000000004C0000-0x00000000004C2000-memory.dmp
      Filesize

      8KB