Analysis

  • max time kernel
    151s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:20

General

  • Target

    f5336efef1b72316122a027eea5657a9742654c7924b3bc8852a18c50f62e20f.exe

  • Size

    294KB

  • MD5

    8c99899c499b98ad45eb5af4d7687ddf

  • SHA1

    2ae45a88bd42e9de2df0af83f35bc60a9af5345b

  • SHA256

    f5336efef1b72316122a027eea5657a9742654c7924b3bc8852a18c50f62e20f

  • SHA512

    e24a0d25387ca9363a053450a5092e35e28afa7cd09a6a7500de2f17176e0928a452235665aff0357be9f976ce46baa959a204fd4160a64894014ef590688325

  • SSDEEP

    6144:x35jAT+iVfmmYC9SraKuMp4KLTFtuRauiT:x3aSiVft9TMp4KnFtuRaui

Malware Config

Extracted

Family

redline

C2

79.137.192.7:39946

Attributes
  • auth_value

    52ceecb848f38969703143a1492660ce

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 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5336efef1b72316122a027eea5657a9742654c7924b3bc8852a18c50f62e20f.exe
    "C:\Users\Admin\AppData\Local\Temp\f5336efef1b72316122a027eea5657a9742654c7924b3bc8852a18c50f62e20f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:43868
      • C:\Users\Admin\AppData\Local\Google\ofg.exe
        "C:\Users\Admin\AppData\Local\Google\ofg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4504
        • C:\Windows\system32\cmd.exe
          cmd.exe /C schtasks /create /tn OzqLuwrCYU /tr C:\Users\Admin\AppData\Roaming\OzqLuwrCYU\svcupdater.exe /st 00:00 /du 9999:59 /sc once /ri 1 /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4588
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn OzqLuwrCYU /tr C:\Users\Admin\AppData\Roaming\OzqLuwrCYU\svcupdater.exe /st 00:00 /du 9999:59 /sc once /ri 1 /f
            5⤵
            • Creates scheduled task(s)
            PID:4216
      • C:\Users\Admin\AppData\Local\Google\chrome.exe
        "C:\Users\Admin\AppData\Local\Google\chrome.exe"
        3⤵
        • Executes dropped EXE
        PID:2772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 41168
      2⤵
      • Program crash
      PID:43980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 736 -ip 736
    1⤵
      PID:43948
    • C:\Users\Admin\AppData\Roaming\OzqLuwrCYU\svcupdater.exe
      C:\Users\Admin\AppData\Roaming\OzqLuwrCYU\svcupdater.exe
      1⤵
      • Executes dropped EXE
      PID:2088

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Google\chrome.exe

      Filesize

      6.1MB

      MD5

      8cd1ea50f8f4c45055400e70da52b326

      SHA1

      40af98091e8c32ce9c90502b3d851ebc231cacf9

      SHA256

      66552cbe03b205cba08a2524fb93303dec5edf51188758b08d12624db1ee73e1

      SHA512

      b0be3acccf8ce64343b10e33b7cd5e7292164259d65c07e0c63c08dc05bfa0cf268290b3a37f20f6afa81d7163be8c90ac9ae9a7fb93c3e61cbc08310a2beaf1

    • C:\Users\Admin\AppData\Local\Google\chrome.exe

      Filesize

      6.1MB

      MD5

      8cd1ea50f8f4c45055400e70da52b326

      SHA1

      40af98091e8c32ce9c90502b3d851ebc231cacf9

      SHA256

      66552cbe03b205cba08a2524fb93303dec5edf51188758b08d12624db1ee73e1

      SHA512

      b0be3acccf8ce64343b10e33b7cd5e7292164259d65c07e0c63c08dc05bfa0cf268290b3a37f20f6afa81d7163be8c90ac9ae9a7fb93c3e61cbc08310a2beaf1

    • C:\Users\Admin\AppData\Local\Google\ofg.exe

      Filesize

      4.7MB

      MD5

      f36a905dbe6231409d40c52ab550820a

      SHA1

      d9522bb2b8b65cba4799d842c68bf40d4219ffec

      SHA256

      ca42f07551a6f462e0afbb0deac444612a87ae67d1b427dea55f1287a42e111b

      SHA512

      bbb0496df5907ec7eb18ded66f44956c17654ef09c90f5be7e9cb829757b7324f5e2a4b90e3368414dbfb5efce765c00c7d3bc710298228b92add92974b1abc4

    • C:\Users\Admin\AppData\Local\Google\ofg.exe

      Filesize

      4.7MB

      MD5

      f36a905dbe6231409d40c52ab550820a

      SHA1

      d9522bb2b8b65cba4799d842c68bf40d4219ffec

      SHA256

      ca42f07551a6f462e0afbb0deac444612a87ae67d1b427dea55f1287a42e111b

      SHA512

      bbb0496df5907ec7eb18ded66f44956c17654ef09c90f5be7e9cb829757b7324f5e2a4b90e3368414dbfb5efce765c00c7d3bc710298228b92add92974b1abc4

    • C:\Users\Admin\AppData\Roaming\OzqLuwrCYU\svcupdater.exe

      Filesize

      4.7MB

      MD5

      f36a905dbe6231409d40c52ab550820a

      SHA1

      d9522bb2b8b65cba4799d842c68bf40d4219ffec

      SHA256

      ca42f07551a6f462e0afbb0deac444612a87ae67d1b427dea55f1287a42e111b

      SHA512

      bbb0496df5907ec7eb18ded66f44956c17654ef09c90f5be7e9cb829757b7324f5e2a4b90e3368414dbfb5efce765c00c7d3bc710298228b92add92974b1abc4

    • C:\Users\Admin\AppData\Roaming\OzqLuwrCYU\svcupdater.exe

      Filesize

      4.7MB

      MD5

      f36a905dbe6231409d40c52ab550820a

      SHA1

      d9522bb2b8b65cba4799d842c68bf40d4219ffec

      SHA256

      ca42f07551a6f462e0afbb0deac444612a87ae67d1b427dea55f1287a42e111b

      SHA512

      bbb0496df5907ec7eb18ded66f44956c17654ef09c90f5be7e9cb829757b7324f5e2a4b90e3368414dbfb5efce765c00c7d3bc710298228b92add92974b1abc4

    • memory/2772-154-0x0000000000000000-mapping.dmp

    • memory/4216-153-0x0000000000000000-mapping.dmp

    • memory/4504-149-0x0000000000000000-mapping.dmp

    • memory/4588-152-0x0000000000000000-mapping.dmp

    • memory/43868-141-0x00000000050B0000-0x00000000050EC000-memory.dmp

      Filesize

      240KB

    • memory/43868-147-0x0000000006B10000-0x0000000006B86000-memory.dmp

      Filesize

      472KB

    • memory/43868-148-0x0000000006B90000-0x0000000006BE0000-memory.dmp

      Filesize

      320KB

    • memory/43868-146-0x0000000007CD0000-0x00000000081FC000-memory.dmp

      Filesize

      5.2MB

    • memory/43868-145-0x00000000075D0000-0x0000000007792000-memory.dmp

      Filesize

      1.8MB

    • memory/43868-144-0x00000000055B0000-0x0000000005616000-memory.dmp

      Filesize

      408KB

    • memory/43868-143-0x00000000062A0000-0x0000000006844000-memory.dmp

      Filesize

      5.6MB

    • memory/43868-142-0x00000000053A0000-0x0000000005432000-memory.dmp

      Filesize

      584KB

    • memory/43868-132-0x0000000000000000-mapping.dmp

    • memory/43868-140-0x0000000002BE0000-0x0000000002BF2000-memory.dmp

      Filesize

      72KB

    • memory/43868-139-0x00000000051C0000-0x00000000052CA000-memory.dmp

      Filesize

      1.0MB

    • memory/43868-138-0x00000000056D0000-0x0000000005CE8000-memory.dmp

      Filesize

      6.1MB

    • memory/43868-133-0x0000000000A10000-0x0000000000A38000-memory.dmp

      Filesize

      160KB