Analysis

  • max time kernel
    126s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-03-2021 10:24

General

  • Target

    -BK-C-CTI.exe.dll

  • Size

    5.7MB

  • MD5

    f714cb42f51d508200da9286c4a171b0

  • SHA1

    707c7920ade9ac71cc04b4e4dcf99536d76c46a3

  • SHA256

    4178f235c96e570925dc63c9d4576b49bac66fba0cff227d8f42d691ff0ebf93

  • SHA512

    50149c3dd12279ffb53ebf1eacd395b2269d20190369c11cad88bb77eefcb7decdb090eb424bf56ccbea66af5a3bde62a13f0c6b8d153309751fab8c1e0bbf7a

Malware Config

Extracted

Family

danabot

Version

1765

C2

192.161.48.5:443

192.3.26.98:443

142.44.224.16:443

192.236.162.42:443

rsa_pubkey.plain
rsa_pubkey.plain

Signatures

  • Danabot

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

  • Blocklisted process makes network request 1 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 desktop.ini file(s) 6 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 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\-BK-C-CTI.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\-BK-C-CTI.exe.dll,#1
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\-BK-C-CTI.exe.dll,eh5cHA==
        3⤵
        • Blocklisted process makes network request
        • Drops desktop.ini file(s)
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1808
        • 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\tmpAD5F.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1904
        • 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\tmpD6F0.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1788
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:1316
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:1848
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:1804

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        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:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_03bfaf74-c48a-406b-812c-2684df821d22
          MD5

          597009ea0430a463753e0f5b1d1a249e

          SHA1

          4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

          SHA256

          3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

          SHA512

          5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1b0b2f5a-4fa9-4284-9780-9a1da7b14a47
          MD5

          02ff38ac870de39782aeee04d7b48231

          SHA1

          0390d39fa216c9b0ecdb38238304e518fb2b5095

          SHA256

          fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

          SHA512

          24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1bbbd14e-9b42-41f7-9e92-a8e704473cc9
          MD5

          e36e413334d4226cfecaebdd90e31c04

          SHA1

          a70ab4d400261150d6ce6798cadc6e2539ec84c7

          SHA256

          fa3e9bdb2278858c97da8478ed573db4a6642363775b1530ab0b24571e2c0f4a

          SHA512

          f2cd799769189ca59190fee5b1a44f0a7ead22874763291462fbe86865cdba5ff2854279a0d918b3769ec4d8f4e9198b5ac4f30dc3325386da5b73e18af2ca63

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_85c7c16f-de6b-4cda-bf8a-ede9c5910d3d
          MD5

          df44874327d79bd75e4264cb8dc01811

          SHA1

          1396b06debed65ea93c24998d244edebd3c0209d

          SHA256

          55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

          SHA512

          95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a02197da-f9c8-43e6-9ff1-846e01d2d404
          MD5

          75a8da7754349b38d64c87c938545b1b

          SHA1

          5c28c257d51f1c1587e29164cc03ea880c21b417

          SHA256

          bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

          SHA512

          798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b771b377-145f-49e9-bf64-45e69646f7b9
          MD5

          5e3c7184a75d42dda1a83606a45001d8

          SHA1

          94ca15637721d88f30eb4b6220b805c5be0360ed

          SHA256

          8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

          SHA512

          fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c356f451-13b2-41fc-8d4c-54a293efa6e1
          MD5

          b6d38f250ccc9003dd70efd3b778117f

          SHA1

          d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

          SHA256

          4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

          SHA512

          67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ce569c42-07bf-442e-b377-8e9695c9383c
          MD5

          be4d72095faf84233ac17b94744f7084

          SHA1

          cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

          SHA256

          b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

          SHA512

          43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ce569c42-07bf-442e-b377-8e9695c9383c
          MD5

          be4d72095faf84233ac17b94744f7084

          SHA1

          cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

          SHA256

          b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

          SHA512

          43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dadf780e-0f00-49bb-86e1-35585efd8a97
          MD5

          a725bb9fafcf91f3c6b7861a2bde6db2

          SHA1

          8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

          SHA256

          51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

          SHA512

          1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
          MD5

          0c1c189f601f0ea4bc23311381160b9a

          SHA1

          9035d5d4c02d8f808ea8845a5045a558f2ef9de2

          SHA256

          3b66365739b14ea30ca6033f3e71e747356b322760b5821786a4b886fe1c5198

          SHA512

          bece3d59d5b196d0c97a8001b5c0a87b66b6217e5917c164382e4664bdd1fa957653f6fc897bad64f6cbf6c350c6f6f2613b4adde3c1a1bd4957df1899e9d24c

        • C:\Users\Admin\AppData\Local\Temp\tmpAD5F.tmp.ps1
          MD5

          ba25f6daf142dbda22870dba61c87589

          SHA1

          0e6a56bb5ab94f4748456f371f8563820cb854e1

          SHA256

          c8f8539496eff3f05d2e54528743734eee0151bb0d3a6c846f7bfea0c7b2f74b

          SHA512

          6df60265ba8afec5a5594766ffe2e057a329a5098cb9ae4f28df9455f0e1bc9f84e9dbf3f8a1cd7a42a354b5352a062262fcff61736164402aa8821079c8aed2

        • C:\Users\Admin\AppData\Local\Temp\tmpD6F0.tmp.ps1
          MD5

          d7886c483a93c8689d9b4c36eec5f42e

          SHA1

          a078cce0196643838c791caf0db80e7285d4e12f

          SHA256

          87c6c86f2b35c8d80fb8ad446d77b2995da3351123ed90e7e6497fd40c62b0e9

          SHA512

          3d67806fdf4c6df9b5b8970275a16e9b18464de8d48fca0b64a63be57a9b1111a2e58bffa90c4dc54419bef92d6e83c483b2f7431d7677703fec0713835e84ed

        • C:\Users\Admin\AppData\Local\Temp\tmpD6F1.tmp
          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
          MD5

          f0be4f2744a36df7f14a2e08b21a95d7

          SHA1

          383c42384f324c1d718919419419ffb33a2e444d

          SHA256

          884da17fb15f44762b2957287f104d9049ca084cf39529b04d74f47708ab97c5

          SHA512

          9ae3e27d38a80722d34419cbf7435189d1a636c888b2a627c0b4acb5b0f477bd78aeb1929ec5329a62a60e9bb4104335f6e418da3cd58c2594853795626b192c

        • \??\PIPE\srvsvc
          MD5

          d41d8cd98f00b204e9800998ecf8427e

          SHA1

          da39a3ee5e6b4b0d3255bfef95601890afd80709

          SHA256

          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

          SHA512

          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

        • memory/576-11-0x000007FEF5BD0000-0x000007FEF5E4A000-memory.dmp
          Filesize

          2.5MB

        • memory/1316-63-0x0000000000000000-mapping.dmp
        • memory/1788-48-0x00000000025C0000-0x00000000025C1000-memory.dmp
          Filesize

          4KB

        • memory/1788-45-0x0000000072160000-0x000000007284E000-memory.dmp
          Filesize

          6.9MB

        • memory/1788-51-0x0000000002892000-0x0000000002893000-memory.dmp
          Filesize

          4KB

        • memory/1788-50-0x0000000002890000-0x0000000002891000-memory.dmp
          Filesize

          4KB

        • memory/1788-49-0x0000000005300000-0x0000000005301000-memory.dmp
          Filesize

          4KB

        • memory/1788-62-0x00000000060B0000-0x00000000060B1000-memory.dmp
          Filesize

          4KB

        • memory/1788-41-0x0000000000000000-mapping.dmp
        • memory/1788-47-0x0000000004950000-0x0000000004951000-memory.dmp
          Filesize

          4KB

        • memory/1788-46-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
          Filesize

          4KB

        • memory/1804-67-0x0000000000000000-mapping.dmp
        • memory/1808-5-0x0000000000000000-mapping.dmp
        • memory/1808-7-0x0000000074240000-0x00000000743E3000-memory.dmp
          Filesize

          1.6MB

        • memory/1808-10-0x0000000002991000-0x0000000002FF2000-memory.dmp
          Filesize

          6.4MB

        • memory/1848-65-0x0000000000000000-mapping.dmp
        • memory/1860-8-0x0000000002A51000-0x00000000030B2000-memory.dmp
          Filesize

          6.4MB

        • memory/1860-9-0x00000000001A0000-0x00000000001A1000-memory.dmp
          Filesize

          4KB

        • memory/1860-2-0x0000000000000000-mapping.dmp
        • memory/1860-4-0x0000000074200000-0x00000000743A3000-memory.dmp
          Filesize

          1.6MB

        • memory/1860-3-0x00000000753E1000-0x00000000753E3000-memory.dmp
          Filesize

          8KB

        • memory/1904-16-0x00000000048C0000-0x00000000048C1000-memory.dmp
          Filesize

          4KB

        • memory/1904-40-0x0000000006360000-0x0000000006361000-memory.dmp
          Filesize

          4KB

        • memory/1904-39-0x00000000061F0000-0x00000000061F1000-memory.dmp
          Filesize

          4KB

        • memory/1904-32-0x000000007EF30000-0x000000007EF31000-memory.dmp
          Filesize

          4KB

        • memory/1904-31-0x00000000062D0000-0x00000000062D1000-memory.dmp
          Filesize

          4KB

        • memory/1904-29-0x0000000006120000-0x0000000006121000-memory.dmp
          Filesize

          4KB

        • memory/1904-24-0x00000000060B0000-0x00000000060B1000-memory.dmp
          Filesize

          4KB

        • memory/1904-20-0x0000000005270000-0x0000000005271000-memory.dmp
          Filesize

          4KB

        • memory/1904-19-0x00000000025A0000-0x00000000025A1000-memory.dmp
          Filesize

          4KB

        • memory/1904-18-0x0000000004882000-0x0000000004883000-memory.dmp
          Filesize

          4KB

        • memory/1904-17-0x0000000004880000-0x0000000004881000-memory.dmp
          Filesize

          4KB

        • memory/1904-15-0x0000000000A50000-0x0000000000A51000-memory.dmp
          Filesize

          4KB

        • memory/1904-14-0x0000000072640000-0x0000000072D2E000-memory.dmp
          Filesize

          6.9MB

        • memory/1904-12-0x0000000000000000-mapping.dmp