Analysis

  • max time kernel
    126s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-02-2021 02:13

General

  • Target

    stealer.dll

  • Size

    5.2MB

  • MD5

    3a4299537272d8671d85c99c17918e99

  • SHA1

    93ff8577a13146091e40349fa523a6f54bd5fa2a

  • SHA256

    83a67ecd166b919255b264718993c284a3238971a24c939c45e0c525f3361a43

  • SHA512

    29011d41fdfc35cf3a4fe84fc08536bf1aa2afae2954227c58c53bbd922dcbfe256c43844e4153b56888f0e648dc57ad25d9bf15abe0dfb5796c2276b2ff1d28

Malware Config

Extracted

Family

danabot

Version

1732

Botnet

21

C2

149.129.212.179:443

47.254.247.133:443

159.89.114.62:443

138.197.139.56:443

Attributes
  • embedded_hash

    DE6DF8FA2198DD77CFD93D89D8ECC62D

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.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\stealer.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\stealer.dll,#1
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\SysWOW64\RUNDLL32.EXE
        C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\stealer.dll,PzgHXKkYBVz6
        3⤵
        • Blocklisted process makes network request
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:480
        • 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\tmp8D90.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1956
        • 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\tmpB425.tmp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1004
          • C:\Windows\SysWOW64\nslookup.exe
            "C:\Windows\system32\nslookup.exe" -type=any localhost
            5⤵
              PID:2288
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
            4⤵
              PID:1068
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
              4⤵
                PID:2120

        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\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

          45ecc9f5fc72a96fb35fe975d3e68b54

          SHA1

          ade8167640de906ba1e092645dc1575fcad52ecc

          SHA256

          3be642dbb5b3309e3fde9e523e592759f7c95dc75e96c51b315016e41039958e

          SHA512

          e32936d0417dd4e05c44af4373b4ce7a1f5052c046cd6917a49f52f0eaa9da5e254a74d16c648c2ebd1af9b098c95210def5e8a7b7bdca1ff8efb55d67409f4d

        • C:\Users\Admin\AppData\Local\Temp\tmp8D90.tmp.ps1
          MD5

          271b71dd2181ee0fcdaa5f1ed34989b0

          SHA1

          d6fc9e858c5a17b5b14a37cbbd0708fb1a43841c

          SHA256

          40031f2f2f8b658f4bf4e844ec0840a6ce0d8e98ff74d314e8903235b1118933

          SHA512

          5d1765217797da27a6dce74eacd329e20dae64633be1612c9394eb9616fb886836ce766efe70ac1ef1ca4589df81abc2a7b8ece0d4e4ab2ddeba09ec5bc0212b

        • C:\Users\Admin\AppData\Local\Temp\tmp8D91.tmp
          MD5

          c416c12d1b2b1da8c8655e393b544362

          SHA1

          fb1a43cd8e1c556c2d25f361f42a21293c29e447

          SHA256

          0600d59103840dff210778179fdfba904dcb737a4bfdb35384608698c86ea046

          SHA512

          cb6d3636be4330aa2fd577c3636d0b7165f92ee817e98f21180ba0c918eb76f4e38f025086593a0e508234ca981cfec2c53482b0e9cc0acfa885fefbdf89913c

        • C:\Users\Admin\AppData\Local\Temp\tmpB425.tmp.ps1
          MD5

          24e3570fab900a0bffc9e41779b0d702

          SHA1

          0fb737fd84127dee564e0570063143cdee5e4a77

          SHA256

          8c30841be304903a978c8278fd4145bd130964dba99a5eb5747639f75c806e35

          SHA512

          961f4d22ad4007fe8d11ceb02a2ec1031e1e2a6fdbf55ccc57a46308bf00b177203863b89a27dc0da3751f3f2f29716293dca4bb72204bdd5629663432e65dda

        • C:\Users\Admin\AppData\Local\Temp\tmpB426.tmp
          MD5

          1860260b2697808b80802352fe324782

          SHA1

          f07b4cb6a8133d8dd942fc285d63cb3ce5a1ed6b

          SHA256

          0c4bb6ae7726faa47aef8459bcf37bf9ca16f0b93fd52790932adaf7845d1fb1

          SHA512

          d9fd458e2fe871e93199d7f3783133ded898d824024d9525e8c9af2af31892b13f3fb147d3bfda7dfd7659b7072f5cd1d6c3ebfe2dbf5893afd00e59a96aa94f

        • memory/480-4-0x0000000000000000-mapping.dmp
        • memory/480-5-0x0000000000CB1000-0x0000000001133000-memory.dmp
          Filesize

          4.5MB

        • memory/1004-39-0x0000000007E50000-0x0000000007E51000-memory.dmp
          Filesize

          4KB

        • memory/1004-37-0x00000000066D2000-0x00000000066D3000-memory.dmp
          Filesize

          4KB

        • memory/1004-36-0x00000000066D0000-0x00000000066D1000-memory.dmp
          Filesize

          4KB

        • memory/1004-46-0x00000000066D3000-0x00000000066D4000-memory.dmp
          Filesize

          4KB

        • memory/1004-34-0x00000000074B0000-0x00000000074B1000-memory.dmp
          Filesize

          4KB

        • memory/1004-28-0x0000000071150000-0x000000007183E000-memory.dmp
          Filesize

          6.9MB

        • memory/1004-26-0x0000000000000000-mapping.dmp
        • memory/1068-47-0x0000000000000000-mapping.dmp
        • memory/1444-2-0x0000000000000000-mapping.dmp
        • memory/1444-3-0x0000000004901000-0x0000000004D83000-memory.dmp
          Filesize

          4.5MB

        • memory/1956-11-0x0000000004982000-0x0000000004983000-memory.dmp
          Filesize

          4KB

        • memory/1956-15-0x0000000007CA0000-0x0000000007CA1000-memory.dmp
          Filesize

          4KB

        • memory/1956-22-0x0000000009180000-0x0000000009181000-memory.dmp
          Filesize

          4KB

        • memory/1956-23-0x0000000006FC0000-0x0000000006FC1000-memory.dmp
          Filesize

          4KB

        • memory/1956-20-0x0000000008530000-0x0000000008531000-memory.dmp
          Filesize

          4KB

        • memory/1956-25-0x0000000004983000-0x0000000004984000-memory.dmp
          Filesize

          4KB

        • memory/1956-18-0x0000000008420000-0x0000000008421000-memory.dmp
          Filesize

          4KB

        • memory/1956-17-0x0000000008570000-0x0000000008571000-memory.dmp
          Filesize

          4KB

        • memory/1956-16-0x0000000008010000-0x0000000008011000-memory.dmp
          Filesize

          4KB

        • memory/1956-21-0x0000000009C00000-0x0000000009C01000-memory.dmp
          Filesize

          4KB

        • memory/1956-14-0x0000000007A50000-0x0000000007A51000-memory.dmp
          Filesize

          4KB

        • memory/1956-13-0x0000000007C30000-0x0000000007C31000-memory.dmp
          Filesize

          4KB

        • memory/1956-12-0x00000000079B0000-0x00000000079B1000-memory.dmp
          Filesize

          4KB

        • memory/1956-10-0x0000000007340000-0x0000000007341000-memory.dmp
          Filesize

          4KB

        • memory/1956-9-0x0000000004930000-0x0000000004931000-memory.dmp
          Filesize

          4KB

        • memory/1956-6-0x0000000000000000-mapping.dmp
        • memory/1956-8-0x0000000004980000-0x0000000004981000-memory.dmp
          Filesize

          4KB

        • memory/1956-7-0x0000000071280000-0x000000007196E000-memory.dmp
          Filesize

          6.9MB

        • memory/2120-48-0x0000000000000000-mapping.dmp
        • memory/2288-44-0x0000000000000000-mapping.dmp