Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2023 00:09

General

  • Target

    UmeMemqbMti9.exe

  • Size

    967KB

  • MD5

    29e932d3d12d1811d99691acb7f228bc

  • SHA1

    4c67dd3dbb393ba68e602ed43223001bb88d94e4

  • SHA256

    54375a390c52d783d96492938d05920567a0232c2c22436161e83f21745b7711

  • SHA512

    39d2e21c86b5fd3bac702837f7c95ffe6a0119f9647998e0496a14a6c1f0f81f65fc331977ea16bc4a041d000d80942aa374538c9f9016e6e59f9eac01cdf98f

  • SSDEEP

    24576:BqDEvCTbMWu7rQYlBQcBiT6rprG8aNrpmD:BTvC/MTQYxsWR7aNo

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

xwm.dynuddns.com:8889

Attributes
  • communication_password

    cba52b50d9cf77a308a6bedcd075f95e

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Blocklisted process makes network request 1 IoCs
  • UPX packed file 29 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UmeMemqbMti9.exe
    "C:\Users\Admin\AppData\Local\Temp\UmeMemqbMti9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1248
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7CDF.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar7D9E.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/844-121-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/844-102-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/844-126-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1248-119-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1248-116-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1248-92-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1624-128-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1624-129-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1852-113-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1852-83-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1852-103-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-108-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-70-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-104-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-105-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-107-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-74-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-109-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-111-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-72-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-71-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-115-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-96-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-68-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-124-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-123-0x0000000000100000-0x000000000010A000-memory.dmp

    Filesize

    40KB

  • memory/2856-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2856-127-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-67-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-66-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-130-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2856-132-0x0000000000100000-0x000000000010A000-memory.dmp

    Filesize

    40KB

  • memory/2856-133-0x0000000000100000-0x000000000010A000-memory.dmp

    Filesize

    40KB

  • memory/2856-136-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB