Overview

overview

10

Static

static

8

Inv5180494049.xlsm

windows7_x64

10

Inv5180494049.xlsm

windows10_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-03-2021 08:53

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General

  • Target

    Inv5180494049.xlsm

  • Size

    33KB

  • MD5

    f685aa869cf29499b615dff5c4b5f9f8

  • SHA1

    2d461fa264897b3edb0e5d79b5e7d76c2c5b62c6

  • SHA256

    7c2dce53d23d62b45470c002311761fc35f78d2af8b0052dcdd0362206d986fa

  • SHA512

    cdd8b60b0677fb024a546a0739e30c479ba0a58f8a48e47dc4103e24d8e835c99275230fabab3e1e921f83caf39afc305b998120c936d474a9789fd1e55c6868

Score
10/10
dridex10444botnetloader

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

210.65.244.166:443

178.33.183.53:7443

157.7.139.198:6601
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 2 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 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\Inv5180494049.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\lvrabb.dll
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\SysWOW64\regsvr32.exe
        -s C:\Users\Admin\AppData\Local\Temp\lvrabb.dll
        3⤵
        • Loads dropped DLL
        PID:3972

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\lvrabb.dll
    MD5

    c033932c15f002e82005af6207370743

    SHA1

    68603ee11cb648b29fbf9ac789f16c3c20ab5fb2

    SHA256

    fed976ccb46e9a6679c1c8e141c3f81bce21cf627def54d2d00c3ba56bffa090

    SHA512

    b7bd61d8c6154c9b1fb69349c582f11c3d33430523490813edd1b8c7bc1d8c2b84f26528a63c1780198bc6442c584d687917027ab3add174db343e5728d749bf

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

    c033932c15f002e82005af6207370743

    SHA1

    68603ee11cb648b29fbf9ac789f16c3c20ab5fb2

    SHA256

    fed976ccb46e9a6679c1c8e141c3f81bce21cf627def54d2d00c3ba56bffa090

    SHA512

    b7bd61d8c6154c9b1fb69349c582f11c3d33430523490813edd1b8c7bc1d8c2b84f26528a63c1780198bc6442c584d687917027ab3add174db343e5728d749bf

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

    c033932c15f002e82005af6207370743

    SHA1

    68603ee11cb648b29fbf9ac789f16c3c20ab5fb2

    SHA256

    fed976ccb46e9a6679c1c8e141c3f81bce21cf627def54d2d00c3ba56bffa090

    SHA512

    b7bd61d8c6154c9b1fb69349c582f11c3d33430523490813edd1b8c7bc1d8c2b84f26528a63c1780198bc6442c584d687917027ab3add174db343e5728d749bf

    Download Submit
  • memory/2652-7-0x0000000000000000-mapping.dmp
    Download
  • memory/3300-4-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3300-5-0x00007FF8C5C40000-0x00007FF8C6277000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/3300-6-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3300-3-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3300-2-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3972-9-0x0000000000000000-mapping.dmp
    Download
  • memory/3972-12-0x0000000004CB1000-0x0000000004D0B000-memory.dmp
    Filesize

    360KB

    Download
  • memory/3972-13-0x0000000004CB0000-0x0000000004CED000-memory.dmp
    Filesize

    244KB

    Download
  • memory/3972-14-0x0000000001320000-0x0000000001321000-memory.dmp
    Filesize

    4KB

    Download