Analysis

  • max time kernel
    75s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2022, 01:03

General

  • Target

    Setup.exe

  • Size

    4.9MB

  • MD5

    ac8ba09adf3b68f30c66161754abc4b8

  • SHA1

    79e4b354e1fb3851fc82328e78ddc600f8b002e6

  • SHA256

    c4a4e9711a986b18ce9bd24527a8701bfcb30efeacd70206662c768555a2d8f9

  • SHA512

    a57df74480c12fac25358e6d2fcca09d05ce803b422e4b5e71252da9f01d9ce8aaee4aad9be5a5671dec75e4824e56dba4c23a53cb090b3f4a2970dc4211d08f

  • SSDEEP

    98304:cmSvTP91uOuMvD+qhfvZQJilKExs6g2FkZ7Xg5HE:cdx1utMqqZvZk0xs6g2KZ7XkE

Malware Config

Extracted

Family

redline

Botnet

@workaem1

C2

77.73.134.24:80

Attributes
  • auth_value

    2030dc6484c4b1a62d99fe219cba9cd6

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1476
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      C:\Users\Admin\AppData\Local\Temp\Setup.exe
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3364
      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell "" "SCHTASKS.exe /Create /SC MINUTE /ED 12/12/2030 /TN Soft /TR C:\Users\Admin\AppData\Roaming\Demeon.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2204
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /SC MINUTE /ED 12/12/2030 /TN Soft /TR C:\Users\Admin\AppData\Roaming\Demeon.exe
            5⤵
            • Creates scheduled task(s)
            PID:3428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Setup.exe.log

    Filesize

    1KB

    MD5

    7e88081fcf716d85992bb3af3d9b6454

    SHA1

    2153780fbc71061b0102a7a7b665349e1013e250

    SHA256

    5ffb4a3ea94a6a53c4f88e2191c6fec5fd8a7336e367aa113fe8c12631e0c4d2

    SHA512

    ec606e14367ae221c04f213a61a6f797034495121198e4788e3afa4aa8db67bf59c5c5210a56afae5557158e8923b013b371b84c7d64303618c5b4c57a2224f7

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    16KB

    MD5

    61fb5e5ced01cd17ecba413a74f09021

    SHA1

    80ac98e1f0c057c0722d9f4dd8cc660b4c3b55d1

    SHA256

    307becd16c2e35886bcd2ceb1eebedb8b517a729d00daf56940bbd28dfcfc11c

    SHA512

    38ce190ed5c971de616780d5bb287e09058ecfedd373e512ae6267dd1066a447a21bdb5e25e1a74d229105626913bc316acbab5ba4f979030dd22a8120aa4f47

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

    Filesize

    4.5MB

    MD5

    3862bfb4f1273249bd73a8cba326d9a1

    SHA1

    952fc20b5c6aefbbdffdd2f33035bf57f31322e2

    SHA256

    2cd9fea6d90b1971118a4b434ad7d51ec70e188824c755db0891adba40c458d8

    SHA512

    cf2f01e674684a6f869fc030c7ef51bd88155763de79423647879a319c249a8bfe85bdeccc0fc8e7b815021a0a3490aee126302438b35e3bddd41f3d4938180d

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

    Filesize

    4.5MB

    MD5

    3862bfb4f1273249bd73a8cba326d9a1

    SHA1

    952fc20b5c6aefbbdffdd2f33035bf57f31322e2

    SHA256

    2cd9fea6d90b1971118a4b434ad7d51ec70e188824c755db0891adba40c458d8

    SHA512

    cf2f01e674684a6f869fc030c7ef51bd88155763de79423647879a319c249a8bfe85bdeccc0fc8e7b815021a0a3490aee126302438b35e3bddd41f3d4938180d

  • memory/1176-132-0x0000000000830000-0x0000000000CC2000-memory.dmp

    Filesize

    4.6MB

  • memory/1176-133-0x0000000005E70000-0x0000000005E92000-memory.dmp

    Filesize

    136KB

  • memory/1476-140-0x00000000071C0000-0x000000000783A000-memory.dmp

    Filesize

    6.5MB

  • memory/1476-137-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/1476-141-0x0000000006050000-0x000000000606A000-memory.dmp

    Filesize

    104KB

  • memory/1476-138-0x00000000054E0000-0x0000000005546000-memory.dmp

    Filesize

    408KB

  • memory/1476-139-0x0000000005B60000-0x0000000005B7E000-memory.dmp

    Filesize

    120KB

  • memory/1476-135-0x00000000045C0000-0x00000000045F6000-memory.dmp

    Filesize

    216KB

  • memory/1476-136-0x0000000004C30000-0x0000000005258000-memory.dmp

    Filesize

    6.2MB

  • memory/2204-163-0x00007FFD504A0000-0x00007FFD50F61000-memory.dmp

    Filesize

    10.8MB

  • memory/2204-162-0x00007FFD504A0000-0x00007FFD50F61000-memory.dmp

    Filesize

    10.8MB

  • memory/2204-159-0x0000016C69AD0000-0x0000016C69AF2000-memory.dmp

    Filesize

    136KB

  • memory/3364-146-0x0000000008DD0000-0x0000000008EDA000-memory.dmp

    Filesize

    1.0MB

  • memory/3364-152-0x000000000B090000-0x000000000B5BC000-memory.dmp

    Filesize

    5.2MB

  • memory/3364-153-0x000000000AB60000-0x000000000ABD6000-memory.dmp

    Filesize

    472KB

  • memory/3364-154-0x000000000A240000-0x000000000A290000-memory.dmp

    Filesize

    320KB

  • memory/3364-151-0x000000000A2B0000-0x000000000A472000-memory.dmp

    Filesize

    1.8MB

  • memory/3364-150-0x000000000A5B0000-0x000000000AB54000-memory.dmp

    Filesize

    5.6MB

  • memory/3364-149-0x0000000009F60000-0x0000000009FF2000-memory.dmp

    Filesize

    584KB

  • memory/3364-148-0x0000000008EE0000-0x0000000008F1C000-memory.dmp

    Filesize

    240KB

  • memory/3364-147-0x0000000008D60000-0x0000000008D72000-memory.dmp

    Filesize

    72KB

  • memory/3364-145-0x0000000005F90000-0x00000000065A8000-memory.dmp

    Filesize

    6.1MB

  • memory/3364-143-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB