Analysis

  • max time kernel
    26s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-06-2021 10:39

General

  • Target

    7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5.dll

  • Size

    160KB

  • MD5

    18109f2a3bca8c0adde2a8218f32a9bf

  • SHA1

    3689828714f612a676e37e4976faf0649e66de0d

  • SHA256

    7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5

  • SHA512

    9250d84125dd3514ed1dd6abc90ec538de1a310987798b3d861ddc6bc5efd2689d1db5f04fb1f148b2776d54668ebc095ab800e62ff7f5eb615744b1abc3d3a5

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d00d90391dc25f0a314805eeb32e4b1b53e38a3f099e74185695747c08b82d5.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3628-114-0x0000000000000000-mapping.dmp
  • memory/3628-115-0x0000000073560000-0x000000007358E000-memory.dmp
    Filesize

    184KB

  • memory/3628-117-0x0000000000940000-0x0000000000946000-memory.dmp
    Filesize

    24KB