Analysis

  • max time kernel
    149s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 23:48

General

  • Target
    0317-1.dll
  • Size 328KB
  • Sample231011-3te9vsec79
  • SHA256 5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • icedid

Campaign
  • 361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 5 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0317-1.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll,#1
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Modifies registry class
        PID:2496

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 92d75b5d71328cd7e8631b56bc549f5c462b07b296753e2ad12086a599b822b0
        • MD5 SHA1 SHA512

        CabB56C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\CabB56C.tmp
        • Size 61KB
        • SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
        • MD5 SHA1 SHA512 SSDEEP

        TarB4DF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarB4DF.tmp
        • Size 163KB
        • SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
        • MD5 SHA1 SHA512 SSDEEP

        ucusactm32.dll

        • Path C:\Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        ucusactm32.dll

        • Path \Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        ucusactm32.dll

        • Path \Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        ucusactm32.dll

        • Path \Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        ucusactm32.dll

        • Path \Users\Admin\AppData\Roaming\{8190FE8F-D160-412D-16C4-7D2F3CB933C0}\ucusactm32.dll
        • Size 583KB
        • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
        • MD5 SHA1 SHA512 SSDEEP

        memory/1600-1-0x0000000001CC0000-0x0000000001CCD000-memory.dmp

        memory/1600-20-0x0000000001CC0000-0x0000000001CCD000-memory.dmp

        memory/1600-19-0x0000000001CC0000-0x0000000001CCD000-memory.dmp

        memory/1600-0-0x0000000001CC0000-0x0000000001CCD000-memory.dmp

        memory/2496-27-0x0000000000140000-0x000000000018F000-memory.dmp

        memory/2496-28-0x0000000001C40000-0x0000000001C8C000-memory.dmp

        memory/2496-33-0x0000000001C40000-0x0000000001C8C000-memory.dmp

        memory/2496-34-0x0000000001C40000-0x0000000001C8C000-memory.dmp

        memory/2496-35-0x0000000000140000-0x000000000018F000-memory.dmp

        memory/2496-55-0x0000000001C40000-0x0000000001C8C000-memory.dmp

        memory/2496-56-0x0000000001C40000-0x0000000001C8C000-memory.dmp

        memory/2496-58-0x0000000001C40000-0x0000000001C8C000-memory.dmp