Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    21-12-2021 04:19

General

  • Target

    e946313323a4fab93d139a9e3861e5ef.exe

  • Size

    5.4MB

  • MD5

    e946313323a4fab93d139a9e3861e5ef

  • SHA1

    19c67ccdfbfc3971d31b5827f185009976072936

  • SHA256

    0724a4302ad37929cb58cc90dad7c90459df4eba0bccbfb4008965d917a55209

  • SHA512

    a85beddb32dbd48b802387b32a856f4fcb91916fcbc099e279c706e9ac553e75e34370a511720c9eee77f436922de71a68e746a5ed002282e13e44a1165b8ed0

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 2 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 2 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\e946313323a4fab93d139a9e3861e5ef.exe
    "C:\Users\Admin\AppData\Local\Temp\e946313323a4fab93d139a9e3861e5ef.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe
      "C:\Users\Admin\AppData\Local\Temp\patwin\napaea.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:1060
      • 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:1940
    • C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe
      "C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.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:2756
      • C:\Users\Admin\AppData\Local\Temp\biwolphc.exe
        "C:\Users\Admin\AppData\Local\Temp\biwolphc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3564
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\BIWOLP~1.DLL,s C:\Users\Admin\AppData\Local\Temp\biwolphc.exe
          4⤵
          • Loads dropped DLL
          PID:2352
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ntvfjryqgw.vbs"
        3⤵
          PID:3792
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\iseerbvujlr.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1100

    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

      1ea10f02f4d0d99b66cadb648fa57512

      SHA1

      196dd5d28ee4c6cc7319a64c33fbb67b6d1d65b4

      SHA256

      5c29c5aee99f59455ed6424e7199b7b6880d5c394619c65d27a34f8ec5300df2

      SHA512

      230433c205c14fae1ea86267abfdd2f609cf7a1afc9c01d147d5928c02baf4f1098605ecb8927790fce6aa04509f4548b6e22c5b4c52df900276ae84cd25a681

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

      MD5

      eb37c6b1c8b54e0cce7957a85b3a17c4

      SHA1

      d89d917f0483fc8a8c813d29aefec853d992e602

      SHA256

      04da92680369c28ff5a3825f3d331b9baab953f62e601b7fcdb32157552eaa13

      SHA512

      eaaf62a6faeae5debdead9df69a6f6b9f676f3c23afc2c62e1e460aca7cbba0266d1b39d72a2bfd21567e410f9abe841d2d50bed1f467cc5d690e47bbc5d794d

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

      MD5

      a2f9905c597b6dadfacf0a1eacb767d9

      SHA1

      cc4fc6fb47e604d371fe7854789854bc5e3da34b

      SHA256

      076a693bd61876d48674cdcc553871efa2fb5310358bcb36068c3c5a9ea20d94

      SHA512

      8090e586a1568585ec9204f2e8e4dca19a72fe1f5061e41aa42ab040a929d7f14f253c85ba4eab1ac2c8bd8faf21422c63e37651935b538bed193c895951eac3

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

      MD5

      a2f9905c597b6dadfacf0a1eacb767d9

      SHA1

      cc4fc6fb47e604d371fe7854789854bc5e3da34b

      SHA256

      076a693bd61876d48674cdcc553871efa2fb5310358bcb36068c3c5a9ea20d94

      SHA512

      8090e586a1568585ec9204f2e8e4dca19a72fe1f5061e41aa42ab040a929d7f14f253c85ba4eab1ac2c8bd8faf21422c63e37651935b538bed193c895951eac3

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

      MD5

      1177b841475ff4dcb0b3f825843a3147

      SHA1

      0c04a4b21d27182919fbe053d3b5e2d6804e5319

      SHA256

      d371a3ad527f2eabf108ffe89a185f31931dfbffefd947ab95d7ba570bde7405

      SHA512

      94f1ad8d9a3b8987dcee4d241b114717a36177c5a11c28018c255c7fd9e69e3217e6777d8dc0b294fb0bbf6062f07cf00869b83ee74b8b4a7bab7ab24be3f4d2

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

      MD5

      d85b674021e91c6549d1dba46b8a7123

      SHA1

      9c06890f8f3fff6b6ff12d495fc0e153d9aed7fb

      SHA256

      f994809cd97ea3650c2c9b8365d1018a80a48a4003be5a68d39d4724a6e1f2ce

      SHA512

      cb02aa7a77e8a74cb162d2031a0d2df348e9f3a3df3f2e895cdbe18cc4b36c3506acd088af3326144dec34965bc7c1f85c8e37e1661a9d7c0876254e8d33035c

    • C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

    • C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

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

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

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

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

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

      MD5

      eb37c6b1c8b54e0cce7957a85b3a17c4

      SHA1

      d89d917f0483fc8a8c813d29aefec853d992e602

      SHA256

      04da92680369c28ff5a3825f3d331b9baab953f62e601b7fcdb32157552eaa13

      SHA512

      eaaf62a6faeae5debdead9df69a6f6b9f676f3c23afc2c62e1e460aca7cbba0266d1b39d72a2bfd21567e410f9abe841d2d50bed1f467cc5d690e47bbc5d794d

    • \Users\Admin\AppData\Local\Temp\nsr39D9.tmp\UAC.dll

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • memory/1060-127-0x0000000000360000-0x0000000000A36000-memory.dmp

      Filesize

      6.8MB

    • memory/1060-129-0x00000000772B0000-0x000000007743E000-memory.dmp

      Filesize

      1.6MB

    • memory/1060-122-0x0000000000360000-0x0000000000A36000-memory.dmp

      Filesize

      6.8MB

    • memory/1060-125-0x0000000000360000-0x0000000000A36000-memory.dmp

      Filesize

      6.8MB

    • memory/1060-116-0x0000000000000000-mapping.dmp

    • memory/1060-123-0x0000000000360000-0x0000000000A36000-memory.dmp

      Filesize

      6.8MB

    • memory/1100-148-0x0000000000000000-mapping.dmp

    • memory/1940-147-0x00000000772B0000-0x000000007743E000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-146-0x0000000000020000-0x00000000006F6000-memory.dmp

      Filesize

      6.8MB

    • memory/1940-145-0x0000000000020000-0x00000000006F6000-memory.dmp

      Filesize

      6.8MB

    • memory/1940-144-0x0000000000020000-0x00000000006F6000-memory.dmp

      Filesize

      6.8MB

    • memory/1940-140-0x0000000000000000-mapping.dmp

    • memory/1940-143-0x0000000000020000-0x00000000006F6000-memory.dmp

      Filesize

      6.8MB

    • memory/2352-152-0x0000000000000000-mapping.dmp

    • memory/2756-126-0x0000000000D60000-0x0000000001441000-memory.dmp

      Filesize

      6.9MB

    • memory/2756-131-0x00000000772B0000-0x000000007743E000-memory.dmp

      Filesize

      1.6MB

    • memory/2756-130-0x0000000000D60000-0x0000000001441000-memory.dmp

      Filesize

      6.9MB

    • memory/2756-128-0x0000000000D60000-0x0000000001441000-memory.dmp

      Filesize

      6.9MB

    • memory/2756-124-0x0000000000D60000-0x0000000001441000-memory.dmp

      Filesize

      6.9MB

    • memory/2756-119-0x0000000000000000-mapping.dmp

    • memory/3564-139-0x0000000000400000-0x000000000099B000-memory.dmp

      Filesize

      5.6MB

    • memory/3564-137-0x0000000001090000-0x000000000121D000-memory.dmp

      Filesize

      1.6MB

    • memory/3564-138-0x0000000001220000-0x00000000013C3000-memory.dmp

      Filesize

      1.6MB

    • memory/3564-132-0x0000000000000000-mapping.dmp

    • memory/3792-135-0x0000000000000000-mapping.dmp