Overview

overview

10

Static

static

Inv_997240...4.xlsm

windows7_x64

10

Inv_997240...4.xlsm

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-11-2020 14:05

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General

  • Target

    Inv_997240_527764.xlsm

  • Size

    51KB

  • MD5

    ed931b0cc827a4f9051f80b6598a4f6e

  • SHA1

    4ec5ef894b046c2486b63b503c6b93fc2c873188

  • SHA256

    a0f15919fdcbd8208938d1118be24041fc917ca3a9a7be768eb08574fe80f447

  • SHA512

    a7c7c5b2aca294cd15ff57bbbaf62d0b410ae0618c2a61bda4e2685cd6dc490cdc53dad8a329c96e59143cdb06cf32f781bd7554bd78ff45f11a0a7bac21bf5e

Score
10/10
dridex10444botnetcryptoneloaderpacker

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098
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.

  • CryptOne packer 3 IoCs

    Detects CryptOne packer defined in NCC blogpost.

    cryptonepacker
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

    botnetloader
  • Loads dropped DLL 1 IoCs
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 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\Inv_997240_527764.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\ugoht..
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:1104

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ugoht
    MD5

    6cac702b78ac3d40180a705044c7a5db

    SHA1

    559bd8a211b8b4c5c20cabb8400cf0c17b969c2c

    SHA256

    f051d9f61ef1f401ae946ad290128df9772cd030fce4fe289037b650906c9ded

    SHA512

    aa02292105fd7032486cce2ff315f85a98c9d0dbab9651e7284dd13581a37279d90a5bfe39d0e0c28c2164eae5fd7ad856b57dcd41ad2e40bbfd0417c6817362

    Download Submit
  • \Users\Admin\AppData\Local\Temp\ugoht
    MD5

    6cac702b78ac3d40180a705044c7a5db

    SHA1

    559bd8a211b8b4c5c20cabb8400cf0c17b969c2c

    SHA256

    f051d9f61ef1f401ae946ad290128df9772cd030fce4fe289037b650906c9ded

    SHA512

    aa02292105fd7032486cce2ff315f85a98c9d0dbab9651e7284dd13581a37279d90a5bfe39d0e0c28c2164eae5fd7ad856b57dcd41ad2e40bbfd0417c6817362

    Download Submit
  • memory/1104-3-0x0000000000000000-mapping.dmp
    Download
  • memory/1104-6-0x0000000000340000-0x000000000037D000-memory.dmp
    Filesize

    244KB

    Download
  • memory/1584-2-0x000007FEF7080000-0x000007FEF72FA000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1688-0-0x0000000000584000-0x0000000000586000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1688-1-0x00000000005AD000-0x00000000005B1000-memory.dmp
    Filesize

    16KB

    Download