Overview

overview

10

Static

static

8

INV_369730...05.xls

windows7_x64

10

INV_369730...05.xls

windows10_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-04-2021 15:45

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General

  • Target

    INV_369730_2393121046005.xls

  • Size

    57KB

  • MD5

    f6ed1fc605203ca75f5d3e4cdf9c8f4d

  • SHA1

    0c424cb3ed68823affe5f7163d18e00d47569c0e

  • SHA256

    bb881851c401f18651d160438cc157a01d27640b081b7b8c909b222986948682

  • SHA512

    e6c315c9a057a2456fa0885c95a79bc0eb2006bc1f4f650675fa86fd59aa386c37e0ce1c0aed38edbf4a5c573b3ee2f30ce018a141cb1bd6f94a2a50ff2bc022

Score
10/10
dridex10444botnetloader

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

131.100.24.215:443

210.65.244.174:6601

195.201.199.53:2303
rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

    botnetdridex
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

    botnetloader
  • Loads dropped DLL 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\INV_369730_2393121046005.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\jnjsfqgy.dll
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\regsvr32.exe
        -s C:\Users\Admin\AppData\Local\Temp\jnjsfqgy.dll
        3⤵
        • Loads dropped DLL
        PID:540

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\jnjsfqgy.dll
    MD5

    30315eed5f5ade346b5ccfcc452310bf

    SHA1

    e79c087676d5d20cf2c7772ce94defab3bb58c17

    SHA256

    fdce1eff308b78fefc2ef730679bd5317620f3e3a52a695ebb3ad355663603c2

    SHA512

    4815e27cac015cb89bee63fa59a8d345c67dc416ceebd930ce8432eeb41336e834cfe4e47da561239f84d4fb24570e8287c9876117e0736be182173473b7ec34

    Download Submit
  • \Users\Admin\AppData\Local\Temp\jnjsfqgy.dll
    MD5

    30315eed5f5ade346b5ccfcc452310bf

    SHA1

    e79c087676d5d20cf2c7772ce94defab3bb58c17

    SHA256

    fdce1eff308b78fefc2ef730679bd5317620f3e3a52a695ebb3ad355663603c2

    SHA512

    4815e27cac015cb89bee63fa59a8d345c67dc416ceebd930ce8432eeb41336e834cfe4e47da561239f84d4fb24570e8287c9876117e0736be182173473b7ec34

    Download Submit
  • memory/540-9-0x0000000000000000-mapping.dmp
    Download
  • memory/540-11-0x0000000073CF0000-0x0000000073D2D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/540-12-0x0000000073CF0000-0x0000000073D2D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/540-13-0x0000000000A60000-0x0000000000A61000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4548-7-0x0000000000000000-mapping.dmp
    Download
  • memory/4688-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-5-0x00007FFEEB320000-0x00007FFEEB957000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/4688-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download