Analysis

  • max time kernel
    151s
  • max time network
    153s
  • 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 10:55

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 51 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:400
    • 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:1660
      • 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:2240
        • 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:5084
          • 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:3676
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 572
            5⤵
            • Program crash
            PID:1952
        • 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:1796
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
              PID:964
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 184
                6⤵
                • Program crash
                PID:3888
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 592
              5⤵
              • Program crash
              PID:2984
        • 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:2672
          • 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:4384
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 572
            4⤵
            • Program crash
            PID:4264
      • 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:1728
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          3⤵
            PID:5044
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 576
            3⤵
            • Program crash
            PID:4092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5084 -ip 5084
        1⤵
          PID:5004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1796 -ip 1796
          1⤵
            PID:2096
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 964 -ip 964
            1⤵
              PID:2844
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2672 -ip 2672
              1⤵
                PID:4768
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1728 -ip 1728
                1⤵
                  PID:1236

                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/964-67-0x0000000000400000-0x0000000000428000-memory.dmp
                  Filesize

                  160KB

                • memory/964-65-0x0000000000400000-0x0000000000428000-memory.dmp
                  Filesize

                  160KB

                • memory/964-64-0x0000000000400000-0x0000000000428000-memory.dmp
                  Filesize

                  160KB

                • memory/964-63-0x0000000000400000-0x0000000000428000-memory.dmp
                  Filesize

                  160KB

                • memory/3168-89-0x0000000000910000-0x0000000000926000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-57-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-31-0x0000000001200000-0x000000000121C000-memory.dmp
                  Filesize

                  112KB

                • memory/3676-37-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-39-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-41-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-43-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-45-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-47-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-49-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-51-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-53-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-55-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-35-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-59-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-33-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-82-0x0000000005430000-0x0000000005440000-memory.dmp
                  Filesize

                  64KB

                • memory/3676-30-0x00000000059F0000-0x0000000005F94000-memory.dmp
                  Filesize

                  5.6MB

                • memory/3676-29-0x0000000005430000-0x0000000005440000-memory.dmp
                  Filesize

                  64KB

                • memory/3676-28-0x0000000001130000-0x000000000114E000-memory.dmp
                  Filesize

                  120KB

                • memory/3676-27-0x0000000005430000-0x0000000005440000-memory.dmp
                  Filesize

                  64KB

                • memory/3676-26-0x00000000745E0000-0x0000000074D90000-memory.dmp
                  Filesize

                  7.7MB

                • memory/3676-25-0x0000000000400000-0x0000000000432000-memory.dmp
                  Filesize

                  200KB

                • memory/3676-95-0x00000000745E0000-0x0000000074D90000-memory.dmp
                  Filesize

                  7.7MB

                • memory/3676-32-0x0000000001200000-0x0000000001216000-memory.dmp
                  Filesize

                  88KB

                • memory/3676-22-0x0000000000400000-0x0000000000432000-memory.dmp
                  Filesize

                  200KB

                • memory/3676-23-0x0000000000400000-0x0000000000432000-memory.dmp
                  Filesize

                  200KB

                • memory/3676-93-0x0000000005430000-0x0000000005440000-memory.dmp
                  Filesize

                  64KB

                • memory/3676-21-0x0000000000400000-0x0000000000432000-memory.dmp
                  Filesize

                  200KB

                • memory/3676-88-0x0000000005430000-0x0000000005440000-memory.dmp
                  Filesize

                  64KB

                • memory/3676-79-0x00000000745E0000-0x0000000074D90000-memory.dmp
                  Filesize

                  7.7MB

                • memory/4384-72-0x0000000000400000-0x0000000000409000-memory.dmp
                  Filesize

                  36KB

                • memory/4384-92-0x0000000000400000-0x0000000000409000-memory.dmp
                  Filesize

                  36KB

                • memory/4384-71-0x0000000000400000-0x0000000000409000-memory.dmp
                  Filesize

                  36KB

                • memory/5044-84-0x0000000007C60000-0x0000000007D6A000-memory.dmp
                  Filesize

                  1.0MB

                • memory/5044-81-0x00000000073C0000-0x00000000073CA000-memory.dmp
                  Filesize

                  40KB

                • memory/5044-85-0x00000000074A0000-0x00000000074B2000-memory.dmp
                  Filesize

                  72KB

                • memory/5044-86-0x0000000007500000-0x000000000753C000-memory.dmp
                  Filesize

                  240KB

                • memory/5044-87-0x0000000007540000-0x000000000758C000-memory.dmp
                  Filesize

                  304KB

                • memory/5044-78-0x00000000071E0000-0x0000000007272000-memory.dmp
                  Filesize

                  584KB

                • memory/5044-77-0x00000000745E0000-0x0000000074D90000-memory.dmp
                  Filesize

                  7.7MB

                • memory/5044-83-0x0000000008280000-0x0000000008898000-memory.dmp
                  Filesize

                  6.1MB

                • memory/5044-76-0x0000000000400000-0x000000000043E000-memory.dmp
                  Filesize

                  248KB

                • memory/5044-80-0x00000000073F0000-0x0000000007400000-memory.dmp
                  Filesize

                  64KB

                • memory/5044-96-0x00000000745E0000-0x0000000074D90000-memory.dmp
                  Filesize

                  7.7MB

                • memory/5044-97-0x00000000073F0000-0x0000000007400000-memory.dmp
                  Filesize

                  64KB