Analysis

  • max time kernel
    152s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    17-04-2022 16:35

General

  • Target

    7a4e011803ef96e8fac69078841190d9b2e70a8e7b46503763f198b56610a47a.dll

  • Size

    1.4MB

  • MD5

    9ddff2357afda5654a8d78e9619cd3c6

  • SHA1

    d424194ee2151aea827f7ee24893ee6731982385

  • SHA256

    7a4e011803ef96e8fac69078841190d9b2e70a8e7b46503763f198b56610a47a

  • SHA512

    b9884ae6ba552cd19352ddc4c556de6a3792693c01b6e25723b5a3667cdf23daf4478021d9e55e340af745466111424f506cba62896a20ba7f9af6e45acd3b07

Malware Config

Signatures

  • Dridex

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

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Modifies Installed Components in the registry 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 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 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a4e011803ef96e8fac69078841190d9b2e70a8e7b46503763f198b56610a47a.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1944
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1340
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x594
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1964

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1272-59-0x0000000002980000-0x0000000002981000-memory.dmp
    Filesize

    4KB

  • memory/1340-60-0x000007FEFC511000-0x000007FEFC513000-memory.dmp
    Filesize

    8KB

  • memory/1944-54-0x0000000140000000-0x0000000140170000-memory.dmp
    Filesize

    1.4MB

  • memory/1944-58-0x0000000000110000-0x0000000000117000-memory.dmp
    Filesize

    28KB