Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2023 10:56

General

  • Target

    A8A0F8C4DD8185883448DA9635D50AA0.exe

  • Size

    1.7MB

  • MD5

    a8a0f8c4dd8185883448da9635d50aa0

  • SHA1

    f14ff1f212fa9d58ae1f65c8749b14c3c2a618bb

  • SHA256

    753d16f4ea232a594788e94ed50cac8cf6ff1bde28fafaf97e65f243a37b7d5b

  • SHA512

    b51907b9a0cd6dc4719b9368db1767e1d59cd93bac02cd169bc1b2c9ce434f3c663f7c0ecd1bd6e09922ddcc27158b489524474d872c67ce9d6e6edd36e9b751

  • SSDEEP

    24576:Fy7gVq3vdHp+4yBfJ4jP9EWWHE0UQ3XeRxni3Rh1Keqeoo9S:gKqFJVimeZk0b3ddKrBo

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

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

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\A8A0F8C4DD8185883448DA9635D50AA0.exe
    "C:\Users\Admin\AppData\Local\Temp\A8A0F8C4DD8185883448DA9635D50AA0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Gu8Mn06.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Gu8Mn06.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3196
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cP1ca22.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cP1ca22.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4304
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Xz47Fz4.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Xz47Fz4.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4984
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:2044
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              5⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3228
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 608
              5⤵
              • Program crash
              PID:4892
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2bQ3659.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2bQ3659.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3740
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              5⤵
                PID:1988
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                5⤵
                  PID:2820
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 540
                    6⤵
                    • Program crash
                    PID:3008
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 572
                  5⤵
                  • Program crash
                  PID:2784
            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jy17Hl.exe
              C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jy17Hl.exe
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2208
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                4⤵
                • Checks SCSI registry key(s)
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                PID:4268
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 572
                4⤵
                • Program crash
                PID:4808
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4WI664QU.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4WI664QU.exe
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3832
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              3⤵
                PID:4176
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 572
                3⤵
                • Program crash
                PID:4556
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4984 -ip 4984
            1⤵
              PID:1688
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3740 -ip 3740
              1⤵
                PID:3116
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2820 -ip 2820
                1⤵
                  PID:4712
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2208 -ip 2208
                  1⤵
                    PID:2196
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3832 -ip 3832
                    1⤵
                      PID:1956

                    Network

                    MITRE ATT&CK Matrix ATT&CK v13

                    Persistence

                    Create or Modify System Process

                    1
                    T1543

                    Windows Service

                    1
                    T1543.003

                    Boot or Logon Autostart Execution

                    1
                    T1547

                    Registry Run Keys / Startup Folder

                    1
                    T1547.001

                    Privilege Escalation

                    Create or Modify System Process

                    1
                    T1543

                    Windows Service

                    1
                    T1543.003

                    Boot or Logon Autostart Execution

                    1
                    T1547

                    Registry Run Keys / Startup Folder

                    1
                    T1547.001

                    Defense Evasion

                    Modify Registry

                    2
                    T1112

                    Impair Defenses

                    1
                    T1562

                    Disable or Modify Tools

                    1
                    T1562.001

                    Discovery

                    Query Registry

                    2
                    T1012

                    Peripheral Device Discovery

                    1
                    T1120

                    System Information Discovery

                    1
                    T1082

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4WI664QU.exe
                      Filesize

                      1.8MB

                      MD5

                      af8dac2d05d360eb2624fe366a2d3153

                      SHA1

                      e6af559a2238819bf1a82ac8223f626059b00d14

                      SHA256

                      73a28dabbcd3a36eb4258ddb03a697efeb808bea1f4f1347b144a73b44b7d735

                      SHA512

                      1e0cc5d9b76b678b188746c5a1bcb61c4eb547d3ed347e4d60a109963df03ebb11cc7e65ac73725943a716a464c4bf1a020868b1ab6c8291244a5367cf9304fe

                    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4WI664QU.exe
                      Filesize

                      1.8MB

                      MD5

                      af8dac2d05d360eb2624fe366a2d3153

                      SHA1

                      e6af559a2238819bf1a82ac8223f626059b00d14

                      SHA256

                      73a28dabbcd3a36eb4258ddb03a697efeb808bea1f4f1347b144a73b44b7d735

                      SHA512

                      1e0cc5d9b76b678b188746c5a1bcb61c4eb547d3ed347e4d60a109963df03ebb11cc7e65ac73725943a716a464c4bf1a020868b1ab6c8291244a5367cf9304fe

                    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Gu8Mn06.exe
                      Filesize

                      1.2MB

                      MD5

                      df72607dcbed313e204d5eb85f280c9f

                      SHA1

                      9770bff40d82f019954e0b42e61d74bb36c4ed3c

                      SHA256

                      5ba7f1c38ad1b8004e49f08660a121cfe03d5031904cf8ae343746fd54c201ac

                      SHA512

                      91c2a348edb894017cc66398f108bfd23da9888b17221846ace6de8e714b6a032b42d4deec9f8f490fb3560dcef80bc56ccfea3613e9214eb494c7f1068f1372

                    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Gu8Mn06.exe
                      Filesize

                      1.2MB

                      MD5

                      df72607dcbed313e204d5eb85f280c9f

                      SHA1

                      9770bff40d82f019954e0b42e61d74bb36c4ed3c

                      SHA256

                      5ba7f1c38ad1b8004e49f08660a121cfe03d5031904cf8ae343746fd54c201ac

                      SHA512

                      91c2a348edb894017cc66398f108bfd23da9888b17221846ace6de8e714b6a032b42d4deec9f8f490fb3560dcef80bc56ccfea3613e9214eb494c7f1068f1372

                    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jy17Hl.exe
                      Filesize

                      1.6MB

                      MD5

                      3a66473f449472234ac313ebedbfdd72

                      SHA1

                      a38ed607469d8d872ecf0ddbe7d4abadcbd587c0

                      SHA256

                      40f02f591441dd5f21e2cf63410fe373b798ef2cedf0110135e708a488e6ea7f

                      SHA512

                      affd178bfcfbb6de7daee0a5f1794253ce9a162956843ae972619e18f1ae3c77692b10789d079561094f154bd79c2b490159e83ab5d2602ab61eb3fd5b3f6471

                    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Jy17Hl.exe
                      Filesize

                      1.6MB

                      MD5

                      3a66473f449472234ac313ebedbfdd72

                      SHA1

                      a38ed607469d8d872ecf0ddbe7d4abadcbd587c0

                      SHA256

                      40f02f591441dd5f21e2cf63410fe373b798ef2cedf0110135e708a488e6ea7f

                      SHA512

                      affd178bfcfbb6de7daee0a5f1794253ce9a162956843ae972619e18f1ae3c77692b10789d079561094f154bd79c2b490159e83ab5d2602ab61eb3fd5b3f6471

                    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cP1ca22.exe
                      Filesize

                      731KB

                      MD5

                      490854d0ecddabb34a9b5c4f068d6ef7

                      SHA1

                      f9673b5b513b5955495191700cbff31eac88c72f

                      SHA256

                      2b135b74dac13dab33e4a61e5b1c6ac1a76be6875ddace55515da5937aefb5d4

                      SHA512

                      94346a8d7e949978ef2b857f35d2e0083a2d7611ce8575e44f218a9ea9c49c67fead5bc14c7f2f93dc10dd28ed136e54da5d11d0d8c910b0de46fb529630a56f

                    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cP1ca22.exe
                      Filesize

                      731KB

                      MD5

                      490854d0ecddabb34a9b5c4f068d6ef7

                      SHA1

                      f9673b5b513b5955495191700cbff31eac88c72f

                      SHA256

                      2b135b74dac13dab33e4a61e5b1c6ac1a76be6875ddace55515da5937aefb5d4

                      SHA512

                      94346a8d7e949978ef2b857f35d2e0083a2d7611ce8575e44f218a9ea9c49c67fead5bc14c7f2f93dc10dd28ed136e54da5d11d0d8c910b0de46fb529630a56f

                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Xz47Fz4.exe
                      Filesize

                      1.8MB

                      MD5

                      54f7637841f21ddc415fed953ef21617

                      SHA1

                      c92a795409394e526b469501cc2519bbcb8637e6

                      SHA256

                      e7cfd0e128c7674de955f31ceda1f2cf8965d0fadf131198fcbea416bfe81615

                      SHA512

                      92bb2f6f345584d8eaf5f0cbdc26ab2be5de734a0c8877f52e4baba4cdca4e536d207d011d210c7a8db5e092eaf3593c57814c2478ab9c0e9fba621cad584eb4

                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1Xz47Fz4.exe
                      Filesize

                      1.8MB

                      MD5

                      54f7637841f21ddc415fed953ef21617

                      SHA1

                      c92a795409394e526b469501cc2519bbcb8637e6

                      SHA256

                      e7cfd0e128c7674de955f31ceda1f2cf8965d0fadf131198fcbea416bfe81615

                      SHA512

                      92bb2f6f345584d8eaf5f0cbdc26ab2be5de734a0c8877f52e4baba4cdca4e536d207d011d210c7a8db5e092eaf3593c57814c2478ab9c0e9fba621cad584eb4

                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2bQ3659.exe
                      Filesize

                      1.7MB

                      MD5

                      a2a4295386d2e7ea8355db957fdd0dca

                      SHA1

                      0bda3970c515f27168934b5ea2be6d037dd27893

                      SHA256

                      5a4d7bf79fe2a4b402d081ccbd3ecc43c6ab2e5111914ba4f3aaf822fad9a799

                      SHA512

                      faad86015d4f620314423617dcd9f3148dd86b505264f0b7921bbd9a46eec67b23e2341aa5e0d4c66b8d1c79458617e0f4e0e9b6d7007ca6e348f5ff2700769d

                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2bQ3659.exe
                      Filesize

                      1.7MB

                      MD5

                      a2a4295386d2e7ea8355db957fdd0dca

                      SHA1

                      0bda3970c515f27168934b5ea2be6d037dd27893

                      SHA256

                      5a4d7bf79fe2a4b402d081ccbd3ecc43c6ab2e5111914ba4f3aaf822fad9a799

                      SHA512

                      faad86015d4f620314423617dcd9f3148dd86b505264f0b7921bbd9a46eec67b23e2341aa5e0d4c66b8d1c79458617e0f4e0e9b6d7007ca6e348f5ff2700769d

                    • memory/2212-88-0x0000000002BC0000-0x0000000002BD6000-memory.dmp
                      Filesize

                      88KB

                    • memory/2820-67-0x0000000000400000-0x0000000000428000-memory.dmp
                      Filesize

                      160KB

                    • memory/2820-65-0x0000000000400000-0x0000000000428000-memory.dmp
                      Filesize

                      160KB

                    • memory/2820-64-0x0000000000400000-0x0000000000428000-memory.dmp
                      Filesize

                      160KB

                    • memory/2820-63-0x0000000000400000-0x0000000000428000-memory.dmp
                      Filesize

                      160KB

                    • memory/3228-57-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-25-0x0000000000400000-0x0000000000432000-memory.dmp
                      Filesize

                      200KB

                    • memory/3228-37-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-39-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-41-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-43-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-45-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-47-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-49-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-51-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-53-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-55-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-33-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-59-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-32-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-31-0x00000000054A0000-0x00000000054BC000-memory.dmp
                      Filesize

                      112KB

                    • memory/3228-30-0x0000000005AC0000-0x0000000006064000-memory.dmp
                      Filesize

                      5.6MB

                    • memory/3228-29-0x0000000005500000-0x0000000005510000-memory.dmp
                      Filesize

                      64KB

                    • memory/3228-28-0x0000000005500000-0x0000000005510000-memory.dmp
                      Filesize

                      64KB

                    • memory/3228-27-0x0000000002FC0000-0x0000000002FDE000-memory.dmp
                      Filesize

                      120KB

                    • memory/3228-26-0x0000000074220000-0x00000000749D0000-memory.dmp
                      Filesize

                      7.7MB

                    • memory/3228-35-0x00000000054A0000-0x00000000054B6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3228-94-0x0000000074220000-0x00000000749D0000-memory.dmp
                      Filesize

                      7.7MB

                    • memory/3228-92-0x0000000005500000-0x0000000005510000-memory.dmp
                      Filesize

                      64KB

                    • memory/3228-23-0x0000000000400000-0x0000000000432000-memory.dmp
                      Filesize

                      200KB

                    • memory/3228-22-0x0000000000400000-0x0000000000432000-memory.dmp
                      Filesize

                      200KB

                    • memory/3228-21-0x0000000000400000-0x0000000000432000-memory.dmp
                      Filesize

                      200KB

                    • memory/3228-87-0x0000000005500000-0x0000000005510000-memory.dmp
                      Filesize

                      64KB

                    • memory/3228-79-0x0000000074220000-0x00000000749D0000-memory.dmp
                      Filesize

                      7.7MB

                    • memory/4176-85-0x0000000007BD0000-0x0000000007C0C000-memory.dmp
                      Filesize

                      240KB

                    • memory/4176-77-0x0000000074220000-0x00000000749D0000-memory.dmp
                      Filesize

                      7.7MB

                    • memory/4176-81-0x00000000079A0000-0x00000000079AA000-memory.dmp
                      Filesize

                      40KB

                    • memory/4176-82-0x00000000089A0000-0x0000000008FB8000-memory.dmp
                      Filesize

                      6.1MB

                    • memory/4176-83-0x0000000007C40000-0x0000000007D4A000-memory.dmp
                      Filesize

                      1.0MB

                    • memory/4176-84-0x0000000007B70000-0x0000000007B82000-memory.dmp
                      Filesize

                      72KB

                    • memory/4176-80-0x0000000007880000-0x0000000007890000-memory.dmp
                      Filesize

                      64KB

                    • memory/4176-86-0x0000000007D50000-0x0000000007D9C000-memory.dmp
                      Filesize

                      304KB

                    • memory/4176-78-0x0000000007900000-0x0000000007992000-memory.dmp
                      Filesize

                      584KB

                    • memory/4176-76-0x0000000000400000-0x000000000043E000-memory.dmp
                      Filesize

                      248KB

                    • memory/4176-96-0x0000000007880000-0x0000000007890000-memory.dmp
                      Filesize

                      64KB

                    • memory/4176-95-0x0000000074220000-0x00000000749D0000-memory.dmp
                      Filesize

                      7.7MB

                    • memory/4268-71-0x0000000000400000-0x0000000000409000-memory.dmp
                      Filesize

                      36KB

                    • memory/4268-72-0x0000000000400000-0x0000000000409000-memory.dmp
                      Filesize

                      36KB

                    • memory/4268-90-0x0000000000400000-0x0000000000409000-memory.dmp
                      Filesize

                      36KB