Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    25-12-2021 11:58

General

  • Target

    75418ef4eef30a8a01341680675b7384d2aabab97b0e61fe6e814c34f6731e38.exe

  • Size

    5.4MB

  • MD5

    fe68fe5a435d3067c0a5919b369470be

  • SHA1

    3a87920670f578fe58f2fa485dfa3666939d679a

  • SHA256

    75418ef4eef30a8a01341680675b7384d2aabab97b0e61fe6e814c34f6731e38

  • SHA512

    54a0700b97a8c6cb0afd7936a7ef573392270fb330b072d88fcb540e7d65688dde3ada015e0abb1b19361b72617dcd2768f2bdf3c563256cab5ed3aef9688bb3

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.

  • Danabot Loader Component 4 IoCs
  • 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\75418ef4eef30a8a01341680675b7384d2aabab97b0e61fe6e814c34f6731e38.exe
    "C:\Users\Admin\AppData\Local\Temp\75418ef4eef30a8a01341680675b7384d2aabab97b0e61fe6e814c34f6731e38.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2740
    • 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:1564
      • 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:3372
    • 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:3184
      • C:\Users\Admin\AppData\Local\Temp\paclqap.exe
        "C:\Users\Admin\AppData\Local\Temp\paclqap.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:420
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\PACLQA~1.DLL,s C:\Users\Admin\AppData\Local\Temp\paclqap.exe
          4⤵
          • Loads dropped DLL
          PID:2300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 420 -s 544
          4⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3656
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ovwiaihc.vbs"
        3⤵
          PID:416
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ujorgpw.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:3476

    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

      c80cf97b0ff8e3f93a32003b84f1443c

      SHA1

      cd8c46aa11cff8d64baa1306b7d5af9438a0a54d

      SHA256

      1edc55919e4fa00f4f80a667f3a61e17d6dafcd34b2d9f62d588052a82270d2a

      SHA512

      b6e5b610e54ccad3f46641e2bfd1b10102b94b3953cf9487b5b8675139e2184ddc0fc20f53d77d0a518f7594d93d381e1abd7add46d51d661d83f66fff4deb2b

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

      7a8c6beb40eaf10831aa8542aa0b7c64

      SHA1

      dc40ccaa7d633ec6f8ec38b97189bc08064635f0

      SHA256

      9815951feb4b3dc93d7a26010624bcc9e70081bbae828fa8af4f9f0a9de53cf3

      SHA512

      b610af3e0f4c2bc671a5263004d65242d85e69f69e0e20d6b57291e223c2f5320cb80da5434fd054eb84411d5aaee4b934881b1816683184a652c0ba7aa80fee

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

      cdc30e8f1b8cad5f1f32b15bebab91c7

      SHA1

      d83dbbda1edc163de1fc423ac25d32a73737b039

      SHA256

      6d92ca52403244434264a0ab79ec968142c94947d571c65dc3f35c72df0f2d05

      SHA512

      3421945e29d0e35b06f0fbb3fe5160eb69cbe82fd0a27be949e1792c3bba90b9b3168d241757cb495604b994f4220fec4cd164718bfdecbde4fafc5a3960c7ad

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

      cdc30e8f1b8cad5f1f32b15bebab91c7

      SHA1

      d83dbbda1edc163de1fc423ac25d32a73737b039

      SHA256

      6d92ca52403244434264a0ab79ec968142c94947d571c65dc3f35c72df0f2d05

      SHA512

      3421945e29d0e35b06f0fbb3fe5160eb69cbe82fd0a27be949e1792c3bba90b9b3168d241757cb495604b994f4220fec4cd164718bfdecbde4fafc5a3960c7ad

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

      9062a4db90e132dc070cd970a0321a07

      SHA1

      bacb274e2603f05edb9d10aa93d8de04531d6e5b

      SHA256

      39a3e454238f4d20ee0596b28fe2577eb8b3b7bf80181b4aaee4b8a9481ae478

      SHA512

      167accc76bd4074ae4e8127d6e8bfcd753ab482992de26dc68d94f238d357ce7aafca494b9336a05e16162413e1e10e4e1a2986c41f936724d8fc99521319867

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

      9062a4db90e132dc070cd970a0321a07

      SHA1

      bacb274e2603f05edb9d10aa93d8de04531d6e5b

      SHA256

      39a3e454238f4d20ee0596b28fe2577eb8b3b7bf80181b4aaee4b8a9481ae478

      SHA512

      167accc76bd4074ae4e8127d6e8bfcd753ab482992de26dc68d94f238d357ce7aafca494b9336a05e16162413e1e10e4e1a2986c41f936724d8fc99521319867

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

      e353f90be69d656ab5f6fbb934709557

      SHA1

      f886db37353d8f1b564c119c2aa65ad901c3161f

      SHA256

      e075827784ac5ef5bd57135901e465d0a1c7c1c3820ab132782c7e1a2d81d007

      SHA512

      b20b888d5163c7db74db04decea108eb3e97e3abcfa91fb6ded4e74dc5f389fb0405054471f9916092d411b5f552f5305e09d774b03ef67677587b34389b93d3

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

      ea91ef0235bca4ae48b961881e2deb4a

      SHA1

      aa096fd242fb40135d9baea401f0cd6fdca540f9

      SHA256

      8e602e2699be870aab4a5553df0f7e46a391286cb6f2b63f60227836815d19d3

      SHA512

      645734faa8ebfc76a0c953e3365eef34826d442c19837d15fe91f2a059f3506c863143d920db9ccfcd847e369f06f0f9712d3b4b1b302d4135540955ae372755

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

      ea91ef0235bca4ae48b961881e2deb4a

      SHA1

      aa096fd242fb40135d9baea401f0cd6fdca540f9

      SHA256

      8e602e2699be870aab4a5553df0f7e46a391286cb6f2b63f60227836815d19d3

      SHA512

      645734faa8ebfc76a0c953e3365eef34826d442c19837d15fe91f2a059f3506c863143d920db9ccfcd847e369f06f0f9712d3b4b1b302d4135540955ae372755

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

      582b097a124c30b2174ce078d8843f26

      SHA1

      106eb0beb0e8f93f1e2971c9b2d41031c753ecbf

      SHA256

      453c940a33b2759b4e563cc50a7c5579b2e1843d62e515ba14b7c4eaccbe81fe

      SHA512

      d7048de0ba68fbf83acb76adbac03ab416597e148c9f13efb9fc45a43da466b349b4b0307990c42b0efe842ab9078768499d761bf97351b05d45590b920cf0d2

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

      cdc30e8f1b8cad5f1f32b15bebab91c7

      SHA1

      d83dbbda1edc163de1fc423ac25d32a73737b039

      SHA256

      6d92ca52403244434264a0ab79ec968142c94947d571c65dc3f35c72df0f2d05

      SHA512

      3421945e29d0e35b06f0fbb3fe5160eb69cbe82fd0a27be949e1792c3bba90b9b3168d241757cb495604b994f4220fec4cd164718bfdecbde4fafc5a3960c7ad

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

      cdc30e8f1b8cad5f1f32b15bebab91c7

      SHA1

      d83dbbda1edc163de1fc423ac25d32a73737b039

      SHA256

      6d92ca52403244434264a0ab79ec968142c94947d571c65dc3f35c72df0f2d05

      SHA512

      3421945e29d0e35b06f0fbb3fe5160eb69cbe82fd0a27be949e1792c3bba90b9b3168d241757cb495604b994f4220fec4cd164718bfdecbde4fafc5a3960c7ad

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

      7a8c6beb40eaf10831aa8542aa0b7c64

      SHA1

      dc40ccaa7d633ec6f8ec38b97189bc08064635f0

      SHA256

      9815951feb4b3dc93d7a26010624bcc9e70081bbae828fa8af4f9f0a9de53cf3

      SHA512

      b610af3e0f4c2bc671a5263004d65242d85e69f69e0e20d6b57291e223c2f5320cb80da5434fd054eb84411d5aaee4b934881b1816683184a652c0ba7aa80fee

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

      7a8c6beb40eaf10831aa8542aa0b7c64

      SHA1

      dc40ccaa7d633ec6f8ec38b97189bc08064635f0

      SHA256

      9815951feb4b3dc93d7a26010624bcc9e70081bbae828fa8af4f9f0a9de53cf3

      SHA512

      b610af3e0f4c2bc671a5263004d65242d85e69f69e0e20d6b57291e223c2f5320cb80da5434fd054eb84411d5aaee4b934881b1816683184a652c0ba7aa80fee

    • \Users\Admin\AppData\Local\Temp\nsoA857.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • memory/416-135-0x0000000000000000-mapping.dmp
    • memory/420-132-0x0000000000000000-mapping.dmp
    • memory/420-137-0x0000000000988000-0x0000000000B18000-memory.dmp
      Filesize

      1.6MB

    • memory/420-138-0x0000000000B80000-0x0000000000D26000-memory.dmp
      Filesize

      1.6MB

    • memory/420-139-0x0000000000400000-0x000000000064F000-memory.dmp
      Filesize

      2.3MB

    • memory/1564-127-0x0000000001230000-0x0000000001923000-memory.dmp
      Filesize

      6.9MB

    • memory/1564-128-0x0000000001230000-0x0000000001923000-memory.dmp
      Filesize

      6.9MB

    • memory/1564-124-0x0000000001230000-0x0000000001923000-memory.dmp
      Filesize

      6.9MB

    • memory/1564-123-0x0000000001230000-0x0000000001923000-memory.dmp
      Filesize

      6.9MB

    • memory/1564-122-0x0000000077230000-0x00000000773BE000-memory.dmp
      Filesize

      1.6MB

    • memory/1564-116-0x0000000000000000-mapping.dmp
    • memory/2300-152-0x0000000000000000-mapping.dmp
    • memory/2300-156-0x00000000045A0000-0x000000000481D000-memory.dmp
      Filesize

      2.5MB

    • memory/3184-125-0x0000000001380000-0x00000000019FE000-memory.dmp
      Filesize

      6.5MB

    • memory/3184-131-0x0000000077230000-0x00000000773BE000-memory.dmp
      Filesize

      1.6MB

    • memory/3184-130-0x0000000001380000-0x00000000019FE000-memory.dmp
      Filesize

      6.5MB

    • memory/3184-129-0x0000000001380000-0x00000000019FE000-memory.dmp
      Filesize

      6.5MB

    • memory/3184-126-0x0000000001380000-0x00000000019FE000-memory.dmp
      Filesize

      6.5MB

    • memory/3184-119-0x0000000000000000-mapping.dmp
    • memory/3372-145-0x00000000008C0000-0x0000000000FB3000-memory.dmp
      Filesize

      6.9MB

    • memory/3372-146-0x00000000008C0000-0x0000000000FB3000-memory.dmp
      Filesize

      6.9MB

    • memory/3372-147-0x0000000077230000-0x00000000773BE000-memory.dmp
      Filesize

      1.6MB

    • memory/3372-144-0x00000000008C0000-0x0000000000FB3000-memory.dmp
      Filesize

      6.9MB

    • memory/3372-143-0x00000000008C0000-0x0000000000FB3000-memory.dmp
      Filesize

      6.9MB

    • memory/3372-140-0x0000000000000000-mapping.dmp
    • memory/3476-148-0x0000000000000000-mapping.dmp