Overview

overview

10

Static

static

DHL_Billin...2.xlsm

windows7_x64

10

DHL_Billin...2.xlsm

windows10_x64

10

Analysis

  • max time kernel
    64s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-11-2020 11:31

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General

  • Target

    DHL_Billing_Invoice 1375130042.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 1375130042.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:748
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\vhxzwlyv..
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:1760

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    MD5

    6668e1c6172e2e3cdd22445677658c5f

    SHA1

    41fb0528c351701d8eb2552bdc71bc63f4fa51a6

    SHA256

    27cfe137648f6bd32d71d5aa0eba5f8bc540a64efa21ad9fbbb28b27e1c38214

    SHA512

    c034b142ab65418443f31032c39818e8f5ead97e19bc4bf042fad04036aab6b2599ed70efd71b34b63565e4c7c4451b23ce4494ef9a5c847cca44a6de55cfd1c

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\vhxzwlyv
    MD5

    99b10941dd60a6d6e9833ddd7dd8bf87

    SHA1

    819f39375b87402693f0d0e5f3434c5747234227

    SHA256

    1fd19222df72ea875613e81a37e94c30a25cb2d69d857159ee1d7fdfc8848348

    SHA512

    c9474466bb4ed8ff2661c26f407d9f7a59b9820f6e46181bbf76dd4fdd60d489626077c468fac8002941b788131e11c006cb78b541151ea70eda60d0e009b58d

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

    99b10941dd60a6d6e9833ddd7dd8bf87

    SHA1

    819f39375b87402693f0d0e5f3434c5747234227

    SHA256

    1fd19222df72ea875613e81a37e94c30a25cb2d69d857159ee1d7fdfc8848348

    SHA512

    c9474466bb4ed8ff2661c26f407d9f7a59b9820f6e46181bbf76dd4fdd60d489626077c468fac8002941b788131e11c006cb78b541151ea70eda60d0e009b58d

    Download Submit
  • memory/748-0-0x0000000005149000-0x0000000005152000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1760-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1760-5-0x00000000002A0000-0x00000000002DD000-memory.dmp
    Filesize

    244KB

    Download
  • memory/1980-1-0x000007FEF7500000-0x000007FEF777A000-memory.dmp
    Filesize

    2.5MB

    Download