Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-04-2022 04:19

General

  • Target

    68ef0bd9ea3010ec7948345cc9338dbb8ea093e24284b41ff9fc46aad317abb2.dll

  • Size

    976KB

  • MD5

    28545297f8559419c9554247053d4f87

  • SHA1

    19e30fbaee5c3032a1b3866f2880ee29a62588dd

  • SHA256

    68ef0bd9ea3010ec7948345cc9338dbb8ea093e24284b41ff9fc46aad317abb2

  • SHA512

    01c2e35bd16792e622949131728e9c7210e671ceddd0add4514bc7a952e34f18e6b4b4387bb1162ef5b6c69bc6bb2967288abb5eae131819e07b0247ca96c1f4

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 17 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\68ef0bd9ea3010ec7948345cc9338dbb8ea093e24284b41ff9fc46aad317abb2.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1824
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2024
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x590
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1600

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/1212-59-0x0000000002210000-0x0000000002211000-memory.dmp
    Filesize

    4KB

  • memory/1824-54-0x0000000140000000-0x00000001400FB000-memory.dmp
    Filesize

    1004KB

  • memory/1824-58-0x0000000000110000-0x0000000000117000-memory.dmp
    Filesize

    28KB

  • memory/2024-60-0x000007FEFC041000-0x000007FEFC043000-memory.dmp
    Filesize

    8KB