Analysis

  • max time kernel
    152s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    09-12-2021 17:30

General

  • Target

    b386274d567e9a00107ff14e2068a0784770e73ed63c7693ad1702273d5c259f.exe

  • Size

    5.5MB

  • MD5

    5099479bb0226b5ac90a335c5c50b8bb

  • SHA1

    3b622ad14c4704f95377aa376e8341da434a8e9e

  • SHA256

    b386274d567e9a00107ff14e2068a0784770e73ed63c7693ad1702273d5c259f

  • SHA512

    fc4922d01d33b63b3ffa2d80b7a0fc86e1f612b6b8293a335a516b42f9be813d31a685128c7dfea7eb58133cdec36ba05c05abc502ba5ecd9ac9610ce8b4b5e3

Malware Config

Extracted

Family

danabot

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
  • 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\b386274d567e9a00107ff14e2068a0784770e73ed63c7693ad1702273d5c259f.exe
    "C:\Users\Admin\AppData\Local\Temp\b386274d567e9a00107ff14e2068a0784770e73ed63c7693ad1702273d5c259f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      "C:\Users\Admin\AppData\Local\Temp\tongan\sacque.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:3832
      • 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:4336
    • C:\Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      "C:\Users\Admin\AppData\Local\Temp\tongan\tilmusvp.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:4104
      • C:\Users\Admin\AppData\Local\Temp\yjwimehh.exe
        "C:\Users\Admin\AppData\Local\Temp\yjwimehh.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4048
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\YJWIME~1.DLL,s C:\Users\Admin\AppData\Local\Temp\yjwimehh.exe
          4⤵
          • Loads dropped DLL
          PID:1440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 556
          4⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2132
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ycxjtiho.vbs"
        3⤵
          PID:2156
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wqcskwyabyll.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:532

    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

      654c9391fb225a0f3721da5a0b58176c

      SHA1

      582a9777b086a0d46c16b044b5d816602af9f7f1

      SHA256

      bdcd9ee07f7365368f1f8b89da520962b8fdff0d9d1d32eb15459161c47802c7

      SHA512

      72056f8285db06aa128a9959c46f18f8324583b7bfa33df7626ae303898cb6d63aabdd422ce661cded4a85dd62886ff40a4f81218ac359c2069c9caf329605db

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

      fcf9856d5f3c92305cbc1dbf9cc748b1

      SHA1

      416812ccc80eaee08cb1a4526f82a8f4594bd109

      SHA256

      c4289a60d38c7312d91e325d0cac9703c8795f87914f8754e1ff3fa19a72f81e

      SHA512

      abfd8509bc08eff5f4ac825d889c73940b5272e2d08731ecd0deb23aa39914dd0ebef6a1c4858490236d142e964db7a13a1d257a85624be3a6efd36f532c470e

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

      f13d185dc317590533ffc8f1dd7b0402

      SHA1

      531ffabcc8dfb1f299934124f0fe762af01cd41f

      SHA256

      a48e59e86ef8e4dd072c9e2bdd5d98cb7bba33bdd11f1726cb2bfd0bd6960a8c

      SHA512

      eb9af20eac795038b7c1cad39e259761a0f6f8454bc114bf6d0148fd723388c38ed94f8f739dcda1f85ea0b6dfae766d78f48f0e04f2a7f174f4b6ee8841e605

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

      f13d185dc317590533ffc8f1dd7b0402

      SHA1

      531ffabcc8dfb1f299934124f0fe762af01cd41f

      SHA256

      a48e59e86ef8e4dd072c9e2bdd5d98cb7bba33bdd11f1726cb2bfd0bd6960a8c

      SHA512

      eb9af20eac795038b7c1cad39e259761a0f6f8454bc114bf6d0148fd723388c38ed94f8f739dcda1f85ea0b6dfae766d78f48f0e04f2a7f174f4b6ee8841e605

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

      fbd56c001807158268d62ec6ab201dcf

      SHA1

      eaa765c139f016b9ea573a7643b2fb12c1351a6a

      SHA256

      bae29aa09bebc55f549dad2f6e875922a2713c114da258216dcc4bdca761dc36

      SHA512

      f29d00d95d259a4ef388ef81e213b1e4c95058264fccd61c7cc1df316648c6961b0a6d2a6549978b86f4b24900406e113436621c7ed698e89ff7f0d237bc11a2

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

      fbd56c001807158268d62ec6ab201dcf

      SHA1

      eaa765c139f016b9ea573a7643b2fb12c1351a6a

      SHA256

      bae29aa09bebc55f549dad2f6e875922a2713c114da258216dcc4bdca761dc36

      SHA512

      f29d00d95d259a4ef388ef81e213b1e4c95058264fccd61c7cc1df316648c6961b0a6d2a6549978b86f4b24900406e113436621c7ed698e89ff7f0d237bc11a2

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

      fffba95fb20fe814f0390650593a32c6

      SHA1

      76f17c10c143b130e4b5b5ca5fd94f036d7a94fc

      SHA256

      68f98414afcffcf660f2f11bc501ada348e99c1f7662a865f7ca71cb739b5e05

      SHA512

      a261494b4b9762d0826ca41d78b47d461e5e9f2763740ba5504bd6d790c22d3c54b456c1d79c756472d3de215b5efbe744f30609c6ee116349bdb56780367457

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

      3e81dc13f9a7521bfcbd12e29780f5a3

      SHA1

      21fd35b5745415d3895f558f18998076353b923b

      SHA256

      2efcf1e9962c45d3c1e1fa128a0a3e81968b3d6224d1f77b16a81d343643c7d1

      SHA512

      873da5ed2b3ffa3ad97afb4d6cdeea8caf4c2c61949fc3b33720d3dca242bfd7884259362198bf19b6c994b332717a120f623226b1206384ad790d9efb45c904

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

      53fb1a1158fba97cc7c7083facbcb54f

      SHA1

      6870c203087ab2be1ece86541eae749e491fdc96

      SHA256

      a401b612b6aa082db84e7cea88e1b7b5547969077a5f35bb13aecea2342d873f

      SHA512

      f2f2715b56ea35c1b3e3aece482efaef0e09d31c360b64373447dfa2b2b5a080c5791bdea69f9c28f9909a7b906e42e8dcd21769edf39f21389f4b0c8cd83689

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

      53fb1a1158fba97cc7c7083facbcb54f

      SHA1

      6870c203087ab2be1ece86541eae749e491fdc96

      SHA256

      a401b612b6aa082db84e7cea88e1b7b5547969077a5f35bb13aecea2342d873f

      SHA512

      f2f2715b56ea35c1b3e3aece482efaef0e09d31c360b64373447dfa2b2b5a080c5791bdea69f9c28f9909a7b906e42e8dcd21769edf39f21389f4b0c8cd83689

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

      f13d185dc317590533ffc8f1dd7b0402

      SHA1

      531ffabcc8dfb1f299934124f0fe762af01cd41f

      SHA256

      a48e59e86ef8e4dd072c9e2bdd5d98cb7bba33bdd11f1726cb2bfd0bd6960a8c

      SHA512

      eb9af20eac795038b7c1cad39e259761a0f6f8454bc114bf6d0148fd723388c38ed94f8f739dcda1f85ea0b6dfae766d78f48f0e04f2a7f174f4b6ee8841e605

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

      f13d185dc317590533ffc8f1dd7b0402

      SHA1

      531ffabcc8dfb1f299934124f0fe762af01cd41f

      SHA256

      a48e59e86ef8e4dd072c9e2bdd5d98cb7bba33bdd11f1726cb2bfd0bd6960a8c

      SHA512

      eb9af20eac795038b7c1cad39e259761a0f6f8454bc114bf6d0148fd723388c38ed94f8f739dcda1f85ea0b6dfae766d78f48f0e04f2a7f174f4b6ee8841e605

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

      fcf9856d5f3c92305cbc1dbf9cc748b1

      SHA1

      416812ccc80eaee08cb1a4526f82a8f4594bd109

      SHA256

      c4289a60d38c7312d91e325d0cac9703c8795f87914f8754e1ff3fa19a72f81e

      SHA512

      abfd8509bc08eff5f4ac825d889c73940b5272e2d08731ecd0deb23aa39914dd0ebef6a1c4858490236d142e964db7a13a1d257a85624be3a6efd36f532c470e

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

      fcf9856d5f3c92305cbc1dbf9cc748b1

      SHA1

      416812ccc80eaee08cb1a4526f82a8f4594bd109

      SHA256

      c4289a60d38c7312d91e325d0cac9703c8795f87914f8754e1ff3fa19a72f81e

      SHA512

      abfd8509bc08eff5f4ac825d889c73940b5272e2d08731ecd0deb23aa39914dd0ebef6a1c4858490236d142e964db7a13a1d257a85624be3a6efd36f532c470e

    • \Users\Admin\AppData\Local\Temp\nsnB0C4.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • memory/532-148-0x0000000000000000-mapping.dmp
    • memory/1440-152-0x0000000000000000-mapping.dmp
    • memory/1440-156-0x0000000000BE0000-0x0000000000E5D000-memory.dmp
      Filesize

      2.5MB

    • memory/2156-135-0x0000000000000000-mapping.dmp
    • memory/3832-125-0x0000000001330000-0x0000000001A24000-memory.dmp
      Filesize

      7.0MB

    • memory/3832-126-0x0000000076FF0000-0x000000007717E000-memory.dmp
      Filesize

      1.6MB

    • memory/3832-116-0x0000000000000000-mapping.dmp
    • memory/3832-122-0x0000000001330000-0x0000000001A24000-memory.dmp
      Filesize

      7.0MB

    • memory/3832-123-0x0000000001330000-0x0000000001A24000-memory.dmp
      Filesize

      7.0MB

    • memory/3832-124-0x0000000001330000-0x0000000001A24000-memory.dmp
      Filesize

      7.0MB

    • memory/4048-146-0x0000000000B00000-0x0000000000CA8000-memory.dmp
      Filesize

      1.7MB

    • memory/4048-144-0x000000000093D000-0x0000000000ACE000-memory.dmp
      Filesize

      1.6MB

    • memory/4048-132-0x0000000000000000-mapping.dmp
    • memory/4048-147-0x0000000000400000-0x000000000064E000-memory.dmp
      Filesize

      2.3MB

    • memory/4104-130-0x0000000000210000-0x00000000008E0000-memory.dmp
      Filesize

      6.8MB

    • memory/4104-131-0x0000000000210000-0x00000000008E0000-memory.dmp
      Filesize

      6.8MB

    • memory/4104-119-0x0000000000000000-mapping.dmp
    • memory/4104-129-0x0000000000210000-0x00000000008E0000-memory.dmp
      Filesize

      6.8MB

    • memory/4104-127-0x0000000076FF0000-0x000000007717E000-memory.dmp
      Filesize

      1.6MB

    • memory/4104-128-0x0000000000210000-0x00000000008E0000-memory.dmp
      Filesize

      6.8MB

    • memory/4336-145-0x0000000076FF0000-0x000000007717E000-memory.dmp
      Filesize

      1.6MB

    • memory/4336-140-0x0000000001140000-0x0000000001834000-memory.dmp
      Filesize

      7.0MB

    • memory/4336-137-0x0000000000000000-mapping.dmp
    • memory/4336-141-0x0000000001140000-0x0000000001834000-memory.dmp
      Filesize

      7.0MB

    • memory/4336-142-0x0000000001140000-0x0000000001834000-memory.dmp
      Filesize

      7.0MB

    • memory/4336-143-0x0000000001140000-0x0000000001834000-memory.dmp
      Filesize

      7.0MB