Analysis

  • max time kernel
    145s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    25-07-2021 07:26

General

  • Target

    b7be87f68035db926317eb59c289fcd3.exe

  • Size

    1.2MB

  • MD5

    b7be87f68035db926317eb59c289fcd3

  • SHA1

    186f7e4ea34132f74b556de4aa0bb795fb7c6eab

  • SHA256

    641ddfbeb79686d53e97f99b043550cde7d19ef91c6e611f02ad80f33daaf4ad

  • SHA512

    305a4fc92f4ca5e4e4956c69ed4f105eb2f2b460a768d9e6ed5790ce31aa2335a8573695803dff2b1ac88356d7b6c3b7a676c8912dbfa0aeca751217481b8eff

Malware Config

Extracted

Family

danabot

Version

1987

Botnet

4

C2

142.11.244.124:443

142.11.206.50:443

Attributes
  • embedded_hash

    6AD9FE4F9E491E785665E0D144F61DAB

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

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

  • Blocklisted process makes network request 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 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 22 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7be87f68035db926317eb59c289fcd3.exe
    "C:\Users\Admin\AppData\Local\Temp\b7be87f68035db926317eb59c289fcd3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B7BE87~1.TMP,S C:\Users\Admin\AppData\Local\Temp\B7BE87~1.EXE
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B7BE87~1.TMP,aTovbldoMXg=
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2680
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpBB13.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1120
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpDF85.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:644
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:2160
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:368
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1836

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Install Root Certificate

        1
        T1130

        Modify Registry

        1
        T1112

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        2
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\PROGRA~3\Jvgzbfh.tmp
          MD5

          b2b4ed93d5effe209d9613e446f4bce3

          SHA1

          2ba57bce3da8428eb8b43e6e2ac2732d3f0ca0b6

          SHA256

          c33d4b03437068364751cee9c802c0639b471e555aa9c03a383c0385ecab1545

          SHA512

          0c0b1b4b339c2ecdb368d8f1d4078eabe27ffef5aff5ab0ba1c2fad2b3791b9132a6404c75cf1b5f4ad95185c9530049ebd7235d034a6602535285397fc7e080

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          MD5

          47eebe401625bbc55e75dbfb72e9e89a

          SHA1

          db3b2135942d2532c59b9788253638eb77e5995e

          SHA256

          f1cd56000c44bbdb6880b5b133731f493fe8cba8198c5a861da6ae7b489ed0c3

          SHA512

          590b149863d58be346e7927c28501375cc570858d2f156d234b03d68b86c5c0667a1038e2b6f6639172bf95638ca9f7c70f45270951abbcdf43b1be853b81d56

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          MD5

          d23d52c9006edd12621bdb0884f36518

          SHA1

          8d883b38ade5922dc1c98a86511d2e9c0cdba57b

          SHA256

          ae70f257523d416077d0da48ceea92e471a37d007ea137b4556983d4a9f2baa3

          SHA512

          bc306a756eb1983f07c88b2f2da77a0ea71d251d94764e0f6e25229e58c173e007a26e04ef18275bfb906d4bd8985554183ed454a34e6e6e78a57064c296d247

        • C:\Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • C:\Users\Admin\AppData\Local\Temp\tmpBB13.tmp.ps1
          MD5

          c181f6f54b32b41187e8087771d2dca6

          SHA1

          9c435e6ed19591573755ef843d67f40c58774883

          SHA256

          890752dbdc8fa0ee06af48dfcd4f998230f85a9f842da8d5ff8712cc91d6979e

          SHA512

          a186ed28c4813ef490741c6451ff2cc63221885548538211104afdd51468c54dcb366b24943d82801e1b0094aa85f23edc7a235565be5dc11d3d6296259ebd7b

        • C:\Users\Admin\AppData\Local\Temp\tmpBB14.tmp
          MD5

          c416c12d1b2b1da8c8655e393b544362

          SHA1

          fb1a43cd8e1c556c2d25f361f42a21293c29e447

          SHA256

          0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

          SHA512

          cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

        • C:\Users\Admin\AppData\Local\Temp\tmpDF85.tmp.ps1
          MD5

          1db77e665dc9850dc62e973b77e5cce4

          SHA1

          65d8e2e89283d7b6e7a6e8e0588ce4d195fc590a

          SHA256

          b5d497534a40ce9bfdbfecbaba42b7a157a803eb2aa411a335e25dbe2e313cdd

          SHA512

          59e1e28c8911c93f15fe6a2cefbc7fe197ba48a60127e7dc736c3888412fb0cd87a5fc4402b76071b13b9191b484dd2f737eb453cca9bd2980a73ff312c863ec

        • C:\Users\Admin\AppData\Local\Temp\tmpDF86.tmp
          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • \Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • \Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • \Users\Admin\AppData\Local\Temp\B7BE87~1.TMP
          MD5

          ee13cc90fabfc6ac9c4e8a00ed3805af

          SHA1

          b50098d0e99a9f0f88624e58701c1a9570e421ae

          SHA256

          3fde70aec3497bc38df7518fcf190ae5ebbdd8c85976c28a17f7a43eaac9e92b

          SHA512

          5d0523bb8753f9bb6043df3d3e62cb0e479581e48b41efd86bc2a2c99c98654f5fcf36aa3366fbf8c30739296269b5b48b1d4d81a364d862e540fe7204ed4537

        • memory/368-182-0x0000000000000000-mapping.dmp
        • memory/636-114-0x0000000002460000-0x0000000002560000-memory.dmp
          Filesize

          1024KB

        • memory/636-115-0x0000000000400000-0x0000000000546000-memory.dmp
          Filesize

          1.3MB

        • memory/644-181-0x00000000048F3000-0x00000000048F4000-memory.dmp
          Filesize

          4KB

        • memory/644-164-0x0000000007C60000-0x0000000007C61000-memory.dmp
          Filesize

          4KB

        • memory/644-167-0x00000000080F0000-0x00000000080F1000-memory.dmp
          Filesize

          4KB

        • memory/644-155-0x0000000000000000-mapping.dmp
        • memory/644-169-0x00000000048F0000-0x00000000048F1000-memory.dmp
          Filesize

          4KB

        • memory/644-170-0x00000000048F2000-0x00000000048F3000-memory.dmp
          Filesize

          4KB

        • memory/1120-140-0x00000000074E0000-0x00000000074E1000-memory.dmp
          Filesize

          4KB

        • memory/1120-134-0x00000000072F0000-0x00000000072F1000-memory.dmp
          Filesize

          4KB

        • memory/1120-138-0x0000000008140000-0x0000000008141000-memory.dmp
          Filesize

          4KB

        • memory/1120-141-0x0000000008A20000-0x0000000008A21000-memory.dmp
          Filesize

          4KB

        • memory/1120-142-0x00000000089A0000-0x00000000089A1000-memory.dmp
          Filesize

          4KB

        • memory/1120-137-0x0000000007FD0000-0x0000000007FD1000-memory.dmp
          Filesize

          4KB

        • memory/1120-144-0x0000000008AE0000-0x0000000008AE1000-memory.dmp
          Filesize

          4KB

        • memory/1120-149-0x000000000A140000-0x000000000A141000-memory.dmp
          Filesize

          4KB

        • memory/1120-150-0x00000000096E0000-0x00000000096E1000-memory.dmp
          Filesize

          4KB

        • memory/1120-151-0x0000000009980000-0x0000000009981000-memory.dmp
          Filesize

          4KB

        • memory/1120-136-0x00000000077F0000-0x00000000077F1000-memory.dmp
          Filesize

          4KB

        • memory/1120-154-0x00000000072F3000-0x00000000072F4000-memory.dmp
          Filesize

          4KB

        • memory/1120-135-0x00000000072F2000-0x00000000072F3000-memory.dmp
          Filesize

          4KB

        • memory/1120-139-0x00000000081B0000-0x00000000081B1000-memory.dmp
          Filesize

          4KB

        • memory/1120-133-0x0000000007930000-0x0000000007931000-memory.dmp
          Filesize

          4KB

        • memory/1120-132-0x00000000071E0000-0x00000000071E1000-memory.dmp
          Filesize

          4KB

        • memory/1120-129-0x0000000000000000-mapping.dmp
        • memory/1836-183-0x0000000000000000-mapping.dmp
        • memory/2160-178-0x0000000000000000-mapping.dmp
        • memory/2680-128-0x0000000004A60000-0x0000000005CF6000-memory.dmp
          Filesize

          18.6MB

        • memory/2680-127-0x0000000005E50000-0x0000000005E51000-memory.dmp
          Filesize

          4KB

        • memory/2680-125-0x0000000004390000-0x00000000044EF000-memory.dmp
          Filesize

          1.4MB

        • memory/2680-122-0x0000000000000000-mapping.dmp
        • memory/3168-121-0x0000000004D30000-0x0000000005FC6000-memory.dmp
          Filesize

          18.6MB

        • memory/3168-116-0x0000000000000000-mapping.dmp