Overview

overview

10

Static

static

7b8b6a9ded...16.dll

windows7_x64

10

7b8b6a9ded...16.dll

windows10-2004_x64

8

Analysis

  • max time kernel
    169s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-04-2022 04:19

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General

  • Target

    7b8b6a9ded1330e3ef0dd42e7edf2b167dec4063699ab5e78d95905c6ba6a816.dll

  • Size

    1.2MB

  • MD5

    a81d9ca2425c6431264471bf3dd5dc5e

  • SHA1

    963dbf7119b0c55cf0713c3fd45da2e637f6f41d

  • SHA256

    7b8b6a9ded1330e3ef0dd42e7edf2b167dec4063699ab5e78d95905c6ba6a816

  • SHA512

    a42921495ffb3ba00ef58cd6464143608b032ca2f7ed0f8c67fac6c656d2e321424caabaebcfa6fae2f48b9811c5bfcdc7ef7969382dc613d86bd7dc806e2b2d

Score
10/10
dridexbotnetevasionpayloadpersistencetrojan

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

    botnetdridex
  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

    botnetpayload
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b8b6a9ded1330e3ef0dd42e7edf2b167dec4063699ab5e78d95905c6ba6a816.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1988
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1432
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x594
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1472

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1396-59-0x00000000021C0000-0x00000000021C1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1432-60-0x000007FEFB651000-0x000007FEFB653000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1988-54-0x0000000140000000-0x000000014012E000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1988-58-0x0000000000110000-0x0000000000117000-memory.dmp
    Filesize

    28KB

    Download