Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    25-12-2021 17:32

General

  • Target

    b001857a7f5e2b3bebea5cae27fc1f018b6eee3ecb87fc7835bf01af9467bb60.exe

  • Size

    5.5MB

  • MD5

    a6d565ecc5a89eac647486a84aace745

  • SHA1

    290bcfc57676aa66d9690f81f0e856e41328476e

  • SHA256

    b001857a7f5e2b3bebea5cae27fc1f018b6eee3ecb87fc7835bf01af9467bb60

  • SHA512

    b95785100ea11e8d0946f6b300f02575282ae73c726aebcc2ac39f1f99a632326b769cb979bfcd87157c40c9909f1da734d5af096d42225f10f8cd13a9a38fcd

Malware Config

Extracted

Family

danabot

Botnet

4

C2

142.11.244.223:443

192.236.194.72:443

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.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 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.

  • Program crash 1 IoCs
  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b001857a7f5e2b3bebea5cae27fc1f018b6eee3ecb87fc7835bf01af9467bb60.exe
    "C:\Users\Admin\AppData\Local\Temp\b001857a7f5e2b3bebea5cae27fc1f018b6eee3ecb87fc7835bf01af9467bb60.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\nutlet\hughoc.exe
      "C:\Users\Admin\AppData\Local\Temp\nutlet\hughoc.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:64
      • 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:3788
    • C:\Users\Admin\AppData\Local\Temp\nutlet\kulmetvp.exe
      "C:\Users\Admin\AppData\Local\Temp\nutlet\kulmetvp.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:3060
      • C:\Users\Admin\AppData\Local\Temp\firundrctayu.exe
        "C:\Users\Admin\AppData\Local\Temp\firundrctayu.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4436
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\FIRUND~1.DLL,s C:\Users\Admin\AppData\Local\Temp\FIRUND~1.EXE
          4⤵
          • Loads dropped DLL
          PID:1548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 580
          4⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2620
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wlyvwactkd.vbs"
        3⤵
          PID:4360
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\imkwahyq.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1216

    Network

    MITRE ATT&CK Enterprise v6

    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

      aea429a5fd3b32eed36e9ff5769a0f70

      SHA1

      be1686ee4bdd9baa9f46f19816cc33cf77414f35

      SHA256

      7d8a45ea0591f2de46bc9011561da878653fa48c575e04ffdb183ce47876ce41

      SHA512

      841c1a8b8698ef5c8d68441bd4d541c5601ae1030da11dfd35ad0deaf1ef87530853e2173300ce935988f966e03146cb2a45ee158d84d19d6934b5350ceea27d

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

      MD5

      4d33b3a81f5cdc9f850662e492fd9f30

      SHA1

      8f74abef50917a9f0c94b9d3fac75687bebaa8c7

      SHA256

      d2167c3d3359e7def20f7c7529de194c4ab2028da7fdc470538e06412c525a4e

      SHA512

      0520b2f2bc39698917c03e6841ce571adc69b460274649fd6424aaeea6beaebf57bc4145eb2b7d075bdcfb8425f186ce041ab58c73b4f4f3846d8665808a5faf

    • C:\Users\Admin\AppData\Local\Temp\firundrctayu.exe

      MD5

      aa5a57d64d1d0a9b6e78da7ed1f63e2e

      SHA1

      53b59d0f15d4863b6c73ada2fe5a3051087af816

      SHA256

      04de7392f1e00d6272d330e2df9dc03434c5f1e536437ebb97dc5f7f210b5fb0

      SHA512

      c3e087e9dbe2a264144ebf1eb5039ebb0e0e5d55f963d0345e59c6e58d2b1d0396b2df2ec3dc16aec2829e32132fd583d1776b56fba57f67a796d7b688ae1e07

    • C:\Users\Admin\AppData\Local\Temp\firundrctayu.exe

      MD5

      aa5a57d64d1d0a9b6e78da7ed1f63e2e

      SHA1

      53b59d0f15d4863b6c73ada2fe5a3051087af816

      SHA256

      04de7392f1e00d6272d330e2df9dc03434c5f1e536437ebb97dc5f7f210b5fb0

      SHA512

      c3e087e9dbe2a264144ebf1eb5039ebb0e0e5d55f963d0345e59c6e58d2b1d0396b2df2ec3dc16aec2829e32132fd583d1776b56fba57f67a796d7b688ae1e07

    • C:\Users\Admin\AppData\Local\Temp\imkwahyq.vbs

      MD5

      0b78c9f80e65f3fe337901c91faf7897

      SHA1

      7d9c9e7a273b88ac939c9780b0852b79c5eee12d

      SHA256

      5852c77d143ea02c5a688665065ff95a1eb2cd2c9598ecaf3bd1a02a8e0d2bdd

      SHA512

      9bfb97ca8d41deb29adbce4102d935064e6578cc50ead6e9583aa382d95661ddea478dc552668a41aa65def700646d62dabb00c1d766522eb4a5346b6ec6ce13

    • C:\Users\Admin\AppData\Local\Temp\nutlet\hughoc.exe

      MD5

      1f1248d5b199d9f25878f17d07dc7b94

      SHA1

      46eea0b5d5d448ecc9d6a172efa620d46c5f6403

      SHA256

      9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

      SHA512

      452f61e02d216b793081b846144ca2808a2dd65211b737c1f036350f0c615231fb67a33686fd8960dd050813e5abd2b313da10268eab3dfe5d2c8e1463cc09bc

    • C:\Users\Admin\AppData\Local\Temp\nutlet\hughoc.exe

      MD5

      1f1248d5b199d9f25878f17d07dc7b94

      SHA1

      46eea0b5d5d448ecc9d6a172efa620d46c5f6403

      SHA256

      9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

      SHA512

      452f61e02d216b793081b846144ca2808a2dd65211b737c1f036350f0c615231fb67a33686fd8960dd050813e5abd2b313da10268eab3dfe5d2c8e1463cc09bc

    • C:\Users\Admin\AppData\Local\Temp\nutlet\kulmetvp.exe

      MD5

      7b2f945dfe4d758a1f7066866d596e4e

      SHA1

      d7339bb3dd15280a9e0e7482ec3699dcabd5dbbd

      SHA256

      5205c148367ee7cbbd32dd897ec2570c3cca077f04311d662603f161f0a2982d

      SHA512

      604cc87da153478422c345bab064dfb3d516865ddfe318510c582d90e875d6d2b95c4a01cb098c58e89e7a0cb8a929825266f67641d1f5e60260512d76f9f587

    • C:\Users\Admin\AppData\Local\Temp\nutlet\kulmetvp.exe

      MD5

      7b2f945dfe4d758a1f7066866d596e4e

      SHA1

      d7339bb3dd15280a9e0e7482ec3699dcabd5dbbd

      SHA256

      5205c148367ee7cbbd32dd897ec2570c3cca077f04311d662603f161f0a2982d

      SHA512

      604cc87da153478422c345bab064dfb3d516865ddfe318510c582d90e875d6d2b95c4a01cb098c58e89e7a0cb8a929825266f67641d1f5e60260512d76f9f587

    • C:\Users\Admin\AppData\Local\Temp\wlyvwactkd.vbs

      MD5

      cb8705fcdeef51b6725631a92a400ea0

      SHA1

      efb4f1fbe9bc1b98ab302de9f77a3ad63288c4f8

      SHA256

      7a8a85478099c480e57e59c5479026deb0278fad496ea944be3b138d2bd1f42a

      SHA512

      88f58508910ae900e012ffd4b91fc19bd331e632240b10bf873ba64a6a7ebd52bc1c0132e9792d86bfc16b5d182f125b3122d347d9ee22f248b4ce7326e0bed8

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

      MD5

      1f1248d5b199d9f25878f17d07dc7b94

      SHA1

      46eea0b5d5d448ecc9d6a172efa620d46c5f6403

      SHA256

      9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

      SHA512

      452f61e02d216b793081b846144ca2808a2dd65211b737c1f036350f0c615231fb67a33686fd8960dd050813e5abd2b313da10268eab3dfe5d2c8e1463cc09bc

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

      MD5

      1f1248d5b199d9f25878f17d07dc7b94

      SHA1

      46eea0b5d5d448ecc9d6a172efa620d46c5f6403

      SHA256

      9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

      SHA512

      452f61e02d216b793081b846144ca2808a2dd65211b737c1f036350f0c615231fb67a33686fd8960dd050813e5abd2b313da10268eab3dfe5d2c8e1463cc09bc

    • \Users\Admin\AppData\Local\Temp\FIRUND~1.DLL

      MD5

      4d33b3a81f5cdc9f850662e492fd9f30

      SHA1

      8f74abef50917a9f0c94b9d3fac75687bebaa8c7

      SHA256

      d2167c3d3359e7def20f7c7529de194c4ab2028da7fdc470538e06412c525a4e

      SHA512

      0520b2f2bc39698917c03e6841ce571adc69b460274649fd6424aaeea6beaebf57bc4145eb2b7d075bdcfb8425f186ce041ab58c73b4f4f3846d8665808a5faf

    • \Users\Admin\AppData\Local\Temp\FIRUND~1.DLL

      MD5

      4d33b3a81f5cdc9f850662e492fd9f30

      SHA1

      8f74abef50917a9f0c94b9d3fac75687bebaa8c7

      SHA256

      d2167c3d3359e7def20f7c7529de194c4ab2028da7fdc470538e06412c525a4e

      SHA512

      0520b2f2bc39698917c03e6841ce571adc69b460274649fd6424aaeea6beaebf57bc4145eb2b7d075bdcfb8425f186ce041ab58c73b4f4f3846d8665808a5faf

    • \Users\Admin\AppData\Local\Temp\nsx9750.tmp\UAC.dll

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • memory/64-122-0x00000000008C0000-0x0000000000FFE000-memory.dmp

      Filesize

      7.2MB

    • memory/64-124-0x00000000008C0000-0x0000000000FFE000-memory.dmp

      Filesize

      7.2MB

    • memory/64-116-0x0000000000000000-mapping.dmp

    • memory/64-129-0x00000000008C0000-0x0000000000FFE000-memory.dmp

      Filesize

      7.2MB

    • memory/64-126-0x00000000008C0000-0x0000000000FFE000-memory.dmp

      Filesize

      7.2MB

    • memory/64-128-0x00000000778D0000-0x0000000077A5E000-memory.dmp

      Filesize

      1.6MB

    • memory/1216-148-0x0000000000000000-mapping.dmp

    • memory/1548-156-0x0000000004360000-0x00000000045DC000-memory.dmp

      Filesize

      2.5MB

    • memory/1548-152-0x0000000000000000-mapping.dmp

    • memory/3060-130-0x00000000778D0000-0x0000000077A5E000-memory.dmp

      Filesize

      1.6MB

    • memory/3060-123-0x0000000000DA0000-0x0000000001454000-memory.dmp

      Filesize

      6.7MB

    • memory/3060-125-0x0000000000DA0000-0x0000000001454000-memory.dmp

      Filesize

      6.7MB

    • memory/3060-127-0x0000000000DA0000-0x0000000001454000-memory.dmp

      Filesize

      6.7MB

    • memory/3060-119-0x0000000000000000-mapping.dmp

    • memory/3060-131-0x0000000000DA0000-0x0000000001454000-memory.dmp

      Filesize

      6.7MB

    • memory/3788-145-0x00000000778D0000-0x0000000077A5E000-memory.dmp

      Filesize

      1.6MB

    • memory/3788-147-0x0000000000AD0000-0x000000000120E000-memory.dmp

      Filesize

      7.2MB

    • memory/3788-146-0x0000000000AD0000-0x000000000120E000-memory.dmp

      Filesize

      7.2MB

    • memory/3788-144-0x0000000000AD0000-0x000000000120E000-memory.dmp

      Filesize

      7.2MB

    • memory/3788-143-0x0000000000AD0000-0x000000000120E000-memory.dmp

      Filesize

      7.2MB

    • memory/3788-140-0x0000000000000000-mapping.dmp

    • memory/4360-135-0x0000000000000000-mapping.dmp

    • memory/4436-139-0x0000000000400000-0x0000000000655000-memory.dmp

      Filesize

      2.3MB

    • memory/4436-138-0x0000000000BE0000-0x0000000000D86000-memory.dmp

      Filesize

      1.6MB

    • memory/4436-137-0x0000000000A40000-0x0000000000BD0000-memory.dmp

      Filesize

      1.6MB

    • memory/4436-132-0x0000000000000000-mapping.dmp