Overview

overview

10

Static

static

8

Notificati...24.xls

windows7_x64

10

Notificati...24.xls

windows10_x64

10

Analysis

  • max time kernel
    73s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-01-2021 07:09

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Notification_836524.xls

  • Size

    786KB

  • MD5

    47bd6588a26043dcb77e978040e59f9a

  • SHA1

    6d59c226abfdb88e1f4fb28dc0f1bc4ff27bb836

  • SHA256

    bd8b55be218cee85920be13f7e1fbc2b68ac4aa473f8ccc75a2dc815dbfec0b1

  • SHA512

    f5815fea3eea049f3896b19af7d207dd5b030b5c34b025cf0a86108bc8d8d982e5d79be3ba564ed3965110024fc4aca60d3c5a0fa332095e1a701f70f47ae985

Score
10/10
dridex111botnetloaderransomware

Malware Config

Extracted

Family

dridex

Botnet

111

C2

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353
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 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

    botnetloader
  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 4 IoCs
  • JavaScript code in executable 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

    ransomware
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
    adwarespyware
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Notification_836524.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1472
  • C:\Windows\system32\wbem\Wmic.exe
    Wmic
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:/Windows/Temp//xcynv.dll InitHelperDll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:/Windows/Temp//xcynv.dll InitHelperDll
        3⤵
        • Loads dropped DLL
        PID:968

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\2196C.XSL
    MD5

    156482b2d07ffdb9cff8b67888dac5ef

    SHA1

    aadac6dc0190b6f5346b171afcdcb483a4071714

    SHA256

    09c4a32d7f8ba2df5b2440e890cc6f6e9ec053bf60f65116f08550fb4cc9ebe9

    SHA512

    912361a81d622dd9d474c4813482f914a93837a43ebbcdbd54cf5e9b6e81be73ead6594cc2ecbb76024a3d4c0f6de229b6254fdb7b3ebf79bbfa370fcb218ccc

    Download Submit
  • C:\Windows\Temp\xcynv.dll
    MD5

    f71add843d968269481d6a694435454f

    SHA1

    45c1f84a64107a4eaf6fbde6c3fe66d24614ab2d

    SHA256

    0d78ae0e3c1c43c93c78a6a1ddeff2a5ca76e18e086cb1fcc50654481895138e

    SHA512

    43e3c2645e320215a05f4997d7ebd9002be56a882e85d7ea1e9eabe6227ccd7e77700bcc1ad1785fa1c76957bc5161025843e665b982c9976c288c18ecd5e79b

    Download Submit
  • \Windows\Temp\xcynv.dll
    MD5

    f71add843d968269481d6a694435454f

    SHA1

    45c1f84a64107a4eaf6fbde6c3fe66d24614ab2d

    SHA256

    0d78ae0e3c1c43c93c78a6a1ddeff2a5ca76e18e086cb1fcc50654481895138e

    SHA512

    43e3c2645e320215a05f4997d7ebd9002be56a882e85d7ea1e9eabe6227ccd7e77700bcc1ad1785fa1c76957bc5161025843e665b982c9976c288c18ecd5e79b

    Download Submit
  • \Windows\Temp\xcynv.dll
    MD5

    f71add843d968269481d6a694435454f

    SHA1

    45c1f84a64107a4eaf6fbde6c3fe66d24614ab2d

    SHA256

    0d78ae0e3c1c43c93c78a6a1ddeff2a5ca76e18e086cb1fcc50654481895138e

    SHA512

    43e3c2645e320215a05f4997d7ebd9002be56a882e85d7ea1e9eabe6227ccd7e77700bcc1ad1785fa1c76957bc5161025843e665b982c9976c288c18ecd5e79b

    Download Submit
  • \Windows\Temp\xcynv.dll
    MD5

    f71add843d968269481d6a694435454f

    SHA1

    45c1f84a64107a4eaf6fbde6c3fe66d24614ab2d

    SHA256

    0d78ae0e3c1c43c93c78a6a1ddeff2a5ca76e18e086cb1fcc50654481895138e

    SHA512

    43e3c2645e320215a05f4997d7ebd9002be56a882e85d7ea1e9eabe6227ccd7e77700bcc1ad1785fa1c76957bc5161025843e665b982c9976c288c18ecd5e79b

    Download Submit
  • \Windows\Temp\xcynv.dll
    MD5

    f71add843d968269481d6a694435454f

    SHA1

    45c1f84a64107a4eaf6fbde6c3fe66d24614ab2d

    SHA256

    0d78ae0e3c1c43c93c78a6a1ddeff2a5ca76e18e086cb1fcc50654481895138e

    SHA512

    43e3c2645e320215a05f4997d7ebd9002be56a882e85d7ea1e9eabe6227ccd7e77700bcc1ad1785fa1c76957bc5161025843e665b982c9976c288c18ecd5e79b

    Download Submit
  • memory/964-3-0x000007FEF7D20000-0x000007FEF7F9A000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/968-6-0x0000000000000000-mapping.dmp
    Download
  • memory/968-11-0x000000006BFA0000-0x000000006BFBF000-memory.dmp
    Filesize

    124KB

    Download
  • memory/1192-4-0x0000000000000000-mapping.dmp
    Download