Overview

overview

10

Static

static

DHL_Billin...7.xlsm

windows7_x64

10

DHL_Billin...7.xlsm

windows10_x64

10

Analysis

  • max time kernel
    65s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-11-2020 12:11

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General

  • Target

    DHL_Billing_Invoice_1896518687.xlsm

  • Size

    54KB

  • MD5

    d36fe8561ddae6c583bf4a794ca2fa82

  • SHA1

    29160334a39d5a42e493a0ceb4fe2615c5231842

  • SHA256

    566dc4913b97ded117228c2850122e4761ec67dc44b304e29f2d5959318c7496

  • SHA512

    5bfc5c8b0c97999bd4ebddffe106fd35eba31c64b9f6a577045d336338619f2b985229147a5dc2c06115895c55f218b3676bcaad6de823d0e6279d22ad0ccea1

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 2 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\DHL_Billing_Invoice_1896518687.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:1584
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\avorllpr..
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:1864

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\avorllpr
    MD5

    6972a8146a738570e6443ba8b75af1bb

    SHA1

    480043a771ac2bdde19b0177a0f7ce5db428e8c7

    SHA256

    ae9628344dfef9e22d8bb19fd5001329640ec5573c5503e3ae99788ef7b58f1c

    SHA512

    4120227d0fd105d3e7a28a39f151036121ce84ed78cd7a846f133c7ea4e47fc58cf0f102d1e6ba1dc97fcff318597e3d77548822384c4c2603680dacac809f35

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

    6972a8146a738570e6443ba8b75af1bb

    SHA1

    480043a771ac2bdde19b0177a0f7ce5db428e8c7

    SHA256

    ae9628344dfef9e22d8bb19fd5001329640ec5573c5503e3ae99788ef7b58f1c

    SHA512

    4120227d0fd105d3e7a28a39f151036121ce84ed78cd7a846f133c7ea4e47fc58cf0f102d1e6ba1dc97fcff318597e3d77548822384c4c2603680dacac809f35

    Download Submit
  • memory/336-1-0x000007FEF7F70000-0x000007FEF81EA000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/1584-0-0x0000000005370000-0x0000000005371000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1864-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1864-5-0x0000000000490000-0x00000000004CD000-memory.dmp
    Filesize

    244KB

    Download