Analysis

  • max time kernel
    53s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2022, 12:39

General

  • Target

    b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe

  • Size

    4.5MB

  • MD5

    10a5e7d6a22913e2396c8b55a1cc3753

  • SHA1

    fe3d862d80cafceb203bc429258a92f568cebde6

  • SHA256

    b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3

  • SHA512

    d713b7d16f01c42cec294eaf081cd73749822cfde298e2f060d44200b1a7cab1076ea5b6d907e2e7952a1d8d26f01ddea9f2760f34813c477baa759c12aa432a

Malware Config

Extracted

Family

redline

C2

185.200.191.18:80

Attributes
  • auth_value

    f7903777691eaec1059d585ff58166bc

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 4 IoCs
  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe
    "C:\Users\Admin\AppData\Local\Temp\b7b407d27da2cb25f7762c1346c2d39f970bca7bbd65c668aac18c90f88ab2d3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe
      C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:164296
        • C:\Users\Admin\AppData\Local\Temp\Starter.exe
          "C:\Users\Admin\AppData\Local\Temp\Starter.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:164660
    • C:\Users\Admin\AppData\Roaming\5392915961.exe
      C:\Users\Admin\AppData\Roaming\5392915961.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:6268
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\5392915961.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:164432
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:164464

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      18KB

      MD5

      3d41fe66e7592eb35c5ef99a83fce2a4

      SHA1

      5dc2984ceb1a169b5571267159c43f1b0e5d757d

      SHA256

      7c58039db066e640a338ac6180adcf0b45cbfb9adaa7ae3b279d4628159c4198

      SHA512

      9ac687f2278f19265ae361eee6bbbe0234fed0d9b16c9f4524af8c9e1e131a51fddfa0a19cbbda9feb0b5ccf22ffaad97d5c425f179cb7d920dba66ad7f4e285

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

      Filesize

      18KB

      MD5

      3d41fe66e7592eb35c5ef99a83fce2a4

      SHA1

      5dc2984ceb1a169b5571267159c43f1b0e5d757d

      SHA256

      7c58039db066e640a338ac6180adcf0b45cbfb9adaa7ae3b279d4628159c4198

      SHA512

      9ac687f2278f19265ae361eee6bbbe0234fed0d9b16c9f4524af8c9e1e131a51fddfa0a19cbbda9feb0b5ccf22ffaad97d5c425f179cb7d920dba66ad7f4e285

    • C:\Users\Admin\AppData\Roaming\5392915961.exe

      Filesize

      4.0MB

      MD5

      67d33bde0b55c5894611f6afa3d4f858

      SHA1

      28161d3b9beefb983b20cae8617b33796e2b984e

      SHA256

      51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

      SHA512

      16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996

    • C:\Users\Admin\AppData\Roaming\5392915961.exe

      Filesize

      4.0MB

      MD5

      67d33bde0b55c5894611f6afa3d4f858

      SHA1

      28161d3b9beefb983b20cae8617b33796e2b984e

      SHA256

      51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

      SHA512

      16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996

    • C:\Users\Admin\AppData\Roaming\@kardibe_crypted.exe

      Filesize

      1.2MB

      MD5

      c9a6c6d2b5edd5ea9460e97b119eab47

      SHA1

      536fe30bc7a54b7773f748fcdcb75b6265051e42

      SHA256

      fe75064787a08a8ec69d50049555d0d13c1e05dd00c62219b6286394a5d5aab4

      SHA512

      8de68452cab5fc292e505e8db6ec661a0d67e141d42f71e3223147f30e8725987b08dff0b6866d8506b42a19ff423bbe44ba9af748f0f9579a88759dda138c2d

    • \Users\Admin\AppData\Local\Temp\Starter.exe

      Filesize

      18KB

      MD5

      3d41fe66e7592eb35c5ef99a83fce2a4

      SHA1

      5dc2984ceb1a169b5571267159c43f1b0e5d757d

      SHA256

      7c58039db066e640a338ac6180adcf0b45cbfb9adaa7ae3b279d4628159c4198

      SHA512

      9ac687f2278f19265ae361eee6bbbe0234fed0d9b16c9f4524af8c9e1e131a51fddfa0a19cbbda9feb0b5ccf22ffaad97d5c425f179cb7d920dba66ad7f4e285

    • \Users\Admin\AppData\Roaming\5392915961.exe

      Filesize

      4.0MB

      MD5

      67d33bde0b55c5894611f6afa3d4f858

      SHA1

      28161d3b9beefb983b20cae8617b33796e2b984e

      SHA256

      51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

      SHA512

      16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996

    • \Users\Admin\AppData\Roaming\5392915961.exe

      Filesize

      4.0MB

      MD5

      67d33bde0b55c5894611f6afa3d4f858

      SHA1

      28161d3b9beefb983b20cae8617b33796e2b984e

      SHA256

      51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

      SHA512

      16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996

    • \Users\Admin\AppData\Roaming\@kardibe_crypted.exe

      Filesize

      1.2MB

      MD5

      c9a6c6d2b5edd5ea9460e97b119eab47

      SHA1

      536fe30bc7a54b7773f748fcdcb75b6265051e42

      SHA256

      fe75064787a08a8ec69d50049555d0d13c1e05dd00c62219b6286394a5d5aab4

      SHA512

      8de68452cab5fc292e505e8db6ec661a0d67e141d42f71e3223147f30e8725987b08dff0b6866d8506b42a19ff423bbe44ba9af748f0f9579a88759dda138c2d

    • \Users\Admin\AppData\Roaming\@kardibe_crypted.exe

      Filesize

      1.2MB

      MD5

      c9a6c6d2b5edd5ea9460e97b119eab47

      SHA1

      536fe30bc7a54b7773f748fcdcb75b6265051e42

      SHA256

      fe75064787a08a8ec69d50049555d0d13c1e05dd00c62219b6286394a5d5aab4

      SHA512

      8de68452cab5fc292e505e8db6ec661a0d67e141d42f71e3223147f30e8725987b08dff0b6866d8506b42a19ff423bbe44ba9af748f0f9579a88759dda138c2d

    • memory/1164-54-0x00000000753E1000-0x00000000753E3000-memory.dmp

      Filesize

      8KB

    • memory/6268-76-0x0000000000310000-0x00000000010E9000-memory.dmp

      Filesize

      13.8MB

    • memory/6268-63-0x0000000000310000-0x00000000010E9000-memory.dmp

      Filesize

      13.8MB

    • memory/164296-73-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/164296-72-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/164296-66-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/164296-64-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/164660-84-0x0000000000010000-0x000000000001A000-memory.dmp

      Filesize

      40KB