Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    27-02-2021 13:12

General

  • Target

    OZD Payment Information TT784677U.scr

  • Size

    1.1MB

  • MD5

    05e699f1763f039ca9f696ef520c3b1e

  • SHA1

    e9dbd4a76a1ede5f201a849f9ba4d5cd1b35d796

  • SHA256

    ae8189a4bb0e5d94c656e530686caed2b724cfe2def4febecca71288280fd275

  • SHA512

    7d98738252993857f76267e45115bcf7cd3d9db7460ab47eef041437f936408998d0a3029f572884706cce2e70db0dda223a4db7079a0d423cd82e7eb12c94c8

Malware Config

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • BitRAT Payload 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OZD Payment Information TT784677U.scr
    "C:\Users\Admin\AppData\Local\Temp\OZD Payment Information TT784677U.scr" /S
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\OZD Payment Information TT784677U.scr
      "C:\Users\Admin\AppData\Local\Temp\OZD Payment Information TT784677U.scr"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:444

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Replay Monitor

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Downloads

  • memory/444-5-0x0000000000400000-0x00000000007DE000-memory.dmp
    Filesize

    3.9MB

  • memory/444-6-0x00000000007DC3D0-mapping.dmp
  • memory/444-7-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB

  • memory/444-8-0x0000000000400000-0x00000000007DE000-memory.dmp
    Filesize

    3.9MB

  • memory/444-9-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/444-10-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/1188-2-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1188-3-0x0000000000830000-0x000000000084B000-memory.dmp
    Filesize

    108KB

  • memory/1500-4-0x000007FEF7E30000-0x000007FEF80AA000-memory.dmp
    Filesize

    2.5MB