Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    21-12-2021 14:51

General

  • Target

    3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce.exe

  • Size

    5.4MB

  • MD5

    72938547306c7c34e465fad3f1e1d9c4

  • SHA1

    e4746ffa624c7ac2e0983c7dd7661aa41d47876a

  • SHA256

    3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce

  • SHA512

    c73101e337aa3fab16e53dae7c859db354dbab32bdccd3905b2c6778af01ac842c62285ff2c9ff2fd5957663e056c7a82ddee1c69ea392a76acf2fb3b1192959

Malware Config

Extracted

Family

danabot

Botnet

4

C2

142.11.244.223:443

23.106.122.139:443

Attributes
  • embedded_hash

    0FA95F120D6EB149A5D48E36BC76879D

  • type

    loader

rsa_pubkey.plain
rsa_privkey.plain

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Danabot Loader Component 4 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 3 IoCs
  • Themida packer 18 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce.exe
    "C:\Users\Admin\AppData\Local\Temp\3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\kobong\guffer.exe
      "C:\Users\Admin\AppData\Local\Temp\kobong\guffer.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
        "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        PID:2248
    • C:\Users\Admin\AppData\Local\Temp\kobong\kadeinvp.exe
      "C:\Users\Admin\AppData\Local\Temp\kobong\kadeinvp.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3768
      • C:\Users\Admin\AppData\Local\Temp\epmycxmbb.exe
        "C:\Users\Admin\AppData\Local\Temp\epmycxmbb.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\EPMYCX~1.DLL,s C:\Users\Admin\AppData\Local\Temp\EPMYCX~1.EXE
          4⤵
          • Loads dropped DLL
          PID:2148
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mxafnojblr.vbs"
        3⤵
          PID:512
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\eyqtlalu.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:3248

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    4
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
      MD5

      54e9306f95f32e50ccd58af19753d929

      SHA1

      eab9457321f34d4dcf7d4a0ac83edc9131bf7c57

      SHA256

      45f94dceb18a8f738a26da09ce4558995a4fe02b971882e8116fc9b59813bb72

      SHA512

      8711a4d866f21cdf4d4e6131ec4cfaf6821d0d22b90946be8b5a09ab868af0270a89bc326f03b858f0361a83c11a1531b894dfd1945e4812ba429a7558791f4f

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
      MD5

      505159697b480391f42b304358775b8f

      SHA1

      27db3d1a4dac095e0a9093d6721538ce93a3a686

      SHA256

      ba1cf7aea0d01579ccbe8a8eac2c62a998c4aab3dcbf60523b8243de9f1148b3

      SHA512

      8de0f64571e7e1ab915bb9bf20c065a651116c8645411657ce925d0f73cc7696d29736ded9f870cd785ba4be5a6ce447d2b22dd5028d4a1121d96387f629694b

    • C:\Users\Admin\AppData\Local\Temp\EPMYCX~1.DLL
      MD5

      3ab18d00ef9e37931e418e94d3fd9433

      SHA1

      f7b92322334730a2a7033d45d211e7a20ffc9f65

      SHA256

      f5098db2050f37fa9328e7ed823b5a5c4c106e7c260ad2ec1d7a65185a960d6e

      SHA512

      3d4a947930421ca662e02e0bf66780d68ea6a7709d4315ef1c11807ace6b2d75d9c7adc028468bf89f5956c0284ed857a0ec09a2dfd79ae6481b5c1e4de1d66d

    • C:\Users\Admin\AppData\Local\Temp\epmycxmbb.exe
      MD5

      6e6646fa119ab2512563d1c9872ea9aa

      SHA1

      03dd532271e4a40fd1bf48960a5ea007f8f1e288

      SHA256

      cc8e8aa067e9d1c044a9018982582834b53e8e496e4e15681cda5d7c45888dd8

      SHA512

      714af61227776d53437e5891101af0caa252fe70418c26cb46466e19a5c1221f60b04cc5b6fc18fea0a9a3ad5733897330f69b463cf1f8b8dcd888f978a7b445

    • C:\Users\Admin\AppData\Local\Temp\epmycxmbb.exe
      MD5

      6e6646fa119ab2512563d1c9872ea9aa

      SHA1

      03dd532271e4a40fd1bf48960a5ea007f8f1e288

      SHA256

      cc8e8aa067e9d1c044a9018982582834b53e8e496e4e15681cda5d7c45888dd8

      SHA512

      714af61227776d53437e5891101af0caa252fe70418c26cb46466e19a5c1221f60b04cc5b6fc18fea0a9a3ad5733897330f69b463cf1f8b8dcd888f978a7b445

    • C:\Users\Admin\AppData\Local\Temp\eyqtlalu.vbs
      MD5

      68916e660b565088eee434d683f37352

      SHA1

      3f4e282fe94e8645a1882474476e43006121e12f

      SHA256

      69fc13784effb9baf63e2079faa28053d431802ced5f32e84c0418df560244ec

      SHA512

      17973059a90a0da3b2ff9de0fa9c01563ecbb6f691f6379fe37e32007e709941e8b4c20b6d2cb07567c7506fb9d05cdc70ffc81d0f8feb31fa3d1385abff5ed0

    • C:\Users\Admin\AppData\Local\Temp\kobong\guffer.exe
      MD5

      04982c07785169467803646cd70f8f76

      SHA1

      c3577e51dfb45914282d5c4f1f3f9817ec139a67

      SHA256

      b132f7b9f8b7b0ff9c8dbe7db481b27b41ebdae95e90fd7daf3f2a59b17e0d3d

      SHA512

      01031e211095d7c2c2322d9179fe3f585dc63cc9116b29f7d5600755abade54b180a5123a3332bdcdd9b7baa55c5e7294b341c11b8e501a8147d7ce48803a672

    • C:\Users\Admin\AppData\Local\Temp\kobong\guffer.exe
      MD5

      04982c07785169467803646cd70f8f76

      SHA1

      c3577e51dfb45914282d5c4f1f3f9817ec139a67

      SHA256

      b132f7b9f8b7b0ff9c8dbe7db481b27b41ebdae95e90fd7daf3f2a59b17e0d3d

      SHA512

      01031e211095d7c2c2322d9179fe3f585dc63cc9116b29f7d5600755abade54b180a5123a3332bdcdd9b7baa55c5e7294b341c11b8e501a8147d7ce48803a672

    • C:\Users\Admin\AppData\Local\Temp\kobong\kadeinvp.exe
      MD5

      815661ea12082dc43437eaee6565890d

      SHA1

      9ffa99b0a510592a7efdb77e4c0275aba3567982

      SHA256

      2788256504ab84017065d249753676f84fd5b1af2f90a06a07547b9950c5f0a2

      SHA512

      3478366d650f793e098e24071d420589308165a3e0c5c352b1f4a014245a64a2a239086da1771f14e8521ae65466e3fc23af9f015e7df4fbde5ca2331fe4787c

    • C:\Users\Admin\AppData\Local\Temp\kobong\kadeinvp.exe
      MD5

      815661ea12082dc43437eaee6565890d

      SHA1

      9ffa99b0a510592a7efdb77e4c0275aba3567982

      SHA256

      2788256504ab84017065d249753676f84fd5b1af2f90a06a07547b9950c5f0a2

      SHA512

      3478366d650f793e098e24071d420589308165a3e0c5c352b1f4a014245a64a2a239086da1771f14e8521ae65466e3fc23af9f015e7df4fbde5ca2331fe4787c

    • C:\Users\Admin\AppData\Local\Temp\mxafnojblr.vbs
      MD5

      b45ec7886a05c8bb9b75dbb1c606925a

      SHA1

      829f866a18b43710ab30fa3ed70d59fde28155c7

      SHA256

      54f6372b338e4d3fe2d407c41da037b12211fe675232a1a4be508511fd1ad446

      SHA512

      256e42e959a2fe0b6c2c7f41b353f31acee7e785d2e80b9aeef7164dd4fa51ca9b5a2f208d7689ddc120b7da429f1270ed3dc37c85ae99ade203ea601b086831

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      04982c07785169467803646cd70f8f76

      SHA1

      c3577e51dfb45914282d5c4f1f3f9817ec139a67

      SHA256

      b132f7b9f8b7b0ff9c8dbe7db481b27b41ebdae95e90fd7daf3f2a59b17e0d3d

      SHA512

      01031e211095d7c2c2322d9179fe3f585dc63cc9116b29f7d5600755abade54b180a5123a3332bdcdd9b7baa55c5e7294b341c11b8e501a8147d7ce48803a672

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      04982c07785169467803646cd70f8f76

      SHA1

      c3577e51dfb45914282d5c4f1f3f9817ec139a67

      SHA256

      b132f7b9f8b7b0ff9c8dbe7db481b27b41ebdae95e90fd7daf3f2a59b17e0d3d

      SHA512

      01031e211095d7c2c2322d9179fe3f585dc63cc9116b29f7d5600755abade54b180a5123a3332bdcdd9b7baa55c5e7294b341c11b8e501a8147d7ce48803a672

    • \Users\Admin\AppData\Local\Temp\EPMYCX~1.DLL
      MD5

      3ab18d00ef9e37931e418e94d3fd9433

      SHA1

      f7b92322334730a2a7033d45d211e7a20ffc9f65

      SHA256

      f5098db2050f37fa9328e7ed823b5a5c4c106e7c260ad2ec1d7a65185a960d6e

      SHA512

      3d4a947930421ca662e02e0bf66780d68ea6a7709d4315ef1c11807ace6b2d75d9c7adc028468bf89f5956c0284ed857a0ec09a2dfd79ae6481b5c1e4de1d66d

    • \Users\Admin\AppData\Local\Temp\EPMYCX~1.DLL
      MD5

      3ab18d00ef9e37931e418e94d3fd9433

      SHA1

      f7b92322334730a2a7033d45d211e7a20ffc9f65

      SHA256

      f5098db2050f37fa9328e7ed823b5a5c4c106e7c260ad2ec1d7a65185a960d6e

      SHA512

      3d4a947930421ca662e02e0bf66780d68ea6a7709d4315ef1c11807ace6b2d75d9c7adc028468bf89f5956c0284ed857a0ec09a2dfd79ae6481b5c1e4de1d66d

    • \Users\Admin\AppData\Local\Temp\nsf9EC2.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • memory/512-135-0x0000000000000000-mapping.dmp
    • memory/2148-156-0x0000000004150000-0x00000000043CD000-memory.dmp
      Filesize

      2.5MB

    • memory/2148-152-0x0000000000000000-mapping.dmp
    • memory/2248-141-0x00000000008F0000-0x0000000000FDA000-memory.dmp
      Filesize

      6.9MB

    • memory/2248-142-0x00000000008F0000-0x0000000000FDA000-memory.dmp
      Filesize

      6.9MB

    • memory/2248-144-0x00000000008F0000-0x0000000000FDA000-memory.dmp
      Filesize

      6.9MB

    • memory/2248-143-0x00000000008F0000-0x0000000000FDA000-memory.dmp
      Filesize

      6.9MB

    • memory/2248-137-0x0000000000000000-mapping.dmp
    • memory/2248-140-0x0000000076F30000-0x00000000770BE000-memory.dmp
      Filesize

      1.6MB

    • memory/2340-146-0x0000000001230000-0x00000000013D5000-memory.dmp
      Filesize

      1.6MB

    • memory/2340-145-0x00000000010A0000-0x000000000122F000-memory.dmp
      Filesize

      1.6MB

    • memory/2340-132-0x0000000000000000-mapping.dmp
    • memory/2340-147-0x0000000000400000-0x000000000099A000-memory.dmp
      Filesize

      5.6MB

    • memory/3248-148-0x0000000000000000-mapping.dmp
    • memory/3488-123-0x0000000001140000-0x000000000182A000-memory.dmp
      Filesize

      6.9MB

    • memory/3488-127-0x0000000001140000-0x000000000182A000-memory.dmp
      Filesize

      6.9MB

    • memory/3488-125-0x0000000001140000-0x000000000182A000-memory.dmp
      Filesize

      6.9MB

    • memory/3488-130-0x0000000076F30000-0x00000000770BE000-memory.dmp
      Filesize

      1.6MB

    • memory/3488-122-0x0000000001140000-0x000000000182A000-memory.dmp
      Filesize

      6.9MB

    • memory/3488-116-0x0000000000000000-mapping.dmp
    • memory/3768-129-0x00000000009A0000-0x000000000106E000-memory.dmp
      Filesize

      6.8MB

    • memory/3768-131-0x0000000076F30000-0x00000000770BE000-memory.dmp
      Filesize

      1.6MB

    • memory/3768-128-0x00000000009A0000-0x000000000106E000-memory.dmp
      Filesize

      6.8MB

    • memory/3768-126-0x00000000009A0000-0x000000000106E000-memory.dmp
      Filesize

      6.8MB

    • memory/3768-124-0x00000000009A0000-0x000000000106E000-memory.dmp
      Filesize

      6.8MB

    • memory/3768-119-0x0000000000000000-mapping.dmp