Overview

overview

10

Static

static

3b3c2bbd44...f3.exe

windows7_x64

10

3b3c2bbd44...f3.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    80s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    03-07-2022 17:10

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General

  • Target

    3b3c2bbd44645af71db243bdb80635e8ab9e5c6c830d1362ad0fbb439c22c4f3.exe

  • Size

    369KB

  • MD5

    506e018cc6924a36703773cfe8310746

  • SHA1

    3ade716c25d6c7417316687dfd16af63b85eb3b5

  • SHA256

    3b3c2bbd44645af71db243bdb80635e8ab9e5c6c830d1362ad0fbb439c22c4f3

  • SHA512

    62032047608c35cf94e561b8501330723165300dc86262023eb312dab6f1b49c81c26e25e7c121591b79f9a1be40df158a7e788108c7b339270d9e60681d4baa

Score
10/10
gozi_ifsb1000bankerpersistencetrojan

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1000

C2

dipsitripsikey70.com/adwordsdata/dropbox/xxx

underbulletkey77.com/adwordsdata/dropbox/xxx

statisticaregger32.com/adwordsdata/dropbox/xxx
Attributes
  • exe_type

    worker

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

    bankertrojangozi_ifsb
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b3c2bbd44645af71db243bdb80635e8ab9e5c6c830d1362ad0fbb439c22c4f3.exe
    "C:\Users\Admin\AppData\Local\Temp\3b3c2bbd44645af71db243bdb80635e8ab9e5c6c830d1362ad0fbb439c22c4f3.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\7101836.bat" "C:\Users\Admin\AppData\Local\Temp\3b3c2bbd44645af71db243bdb80635e8ab9e5c6c830d1362ad0fbb439c22c4f3.exe""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1504
      • C:\Windows\SysWOW64\attrib.exe
        attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\3b3c2bbd44645af71db243bdb80635e8ab9e5c6c830d1362ad0fbb439c22c4f3.exe"
        3⤵
        • Views/modifies file attributes
        PID:660
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x560
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1404

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Hidden Files and Directories

1
T1158

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

1
T1158

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7101836.bat
    Filesize

    72B

    MD5

    00615ec1de7c8c6f2ad51d052ddc6cb2

    SHA1

    5828b6b5b9ffa0564fda055ea6f314ee1481e0cb

    SHA256

    b77f6932602f9db141df14ac628fd79c41ce8064bf3db82f50f785e169280b6c

    SHA512

    67eba5a0c3217f332e106ab0fbc7c0ebc3ef752cdc40b2f19b66842fed78a849d506289fc2d845218d967a457286ff8c858fa0f1e096774a5e12dfb080c92389

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  • memory/660-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1504-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1648-54-0x00000000031D0000-0x00000000031D3000-memory.dmp
    Filesize

    12KB

    Download
  • memory/1648-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1648-56-0x0000000000400000-0x000000000120B000-memory.dmp
    Filesize

    14.0MB

    Download
  • memory/1648-60-0x00000000031D0000-0x00000000031D3000-memory.dmp
    Filesize

    12KB

    Download
  • memory/1648-64-0x0000000000400000-0x000000000120B000-memory.dmp
    Filesize

    14.0MB

    Download
  • memory/1968-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1968-58-0x000007FEFB2E1000-0x000007FEFB2E3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1968-61-0x0000000001B00000-0x0000000001B7F000-memory.dmp
    Filesize

    508KB

    Download
  • memory/1968-65-0x0000000001B00000-0x0000000001B7F000-memory.dmp
    Filesize

    508KB

    Download