Analysis

  • max time kernel
    112s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/02/2023, 09:46

General

  • Target

    4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe

  • Size

    484KB

  • MD5

    ca687a1ccf8389d662de07afe5b82f9b

  • SHA1

    e336c6e32ed99137e83841d823e769387d65bef8

  • SHA256

    4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614

  • SHA512

    13b4f885f5998e755bee080a640a160869352693fc9103981b40302fe0cfb94643864863b6ac8d0b8be9640a64ae021fe2cd312bbdac139d2591960325db071f

  • SSDEEP

    12288:uMrjy90SwLCKPoJgiY73pC6G5uuypICkB1rBGTKbxbF:pycL9o2Nw6EMpIhr4axbF

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5783636fbd9e4f0cf9a017bce02e67e

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

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

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe
    "C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1120
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1080
          4⤵
          • Program crash
          PID:1552
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4532 -ip 4532
    1⤵
      PID:3764

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe

      Filesize

      175KB

      MD5

      a5f5c5d6291c7ae9e1d1b7ed1e551490

      SHA1

      3d06413341893b838549939e15f8f1eec423d71a

      SHA256

      1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

      SHA512

      d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe

      Filesize

      175KB

      MD5

      a5f5c5d6291c7ae9e1d1b7ed1e551490

      SHA1

      3d06413341893b838549939e15f8f1eec423d71a

      SHA256

      1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

      SHA512

      d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe

      Filesize

      339KB

      MD5

      0e1174fc587f94b110084e038ed1ddfa

      SHA1

      6dedaed9242d8e568c0b685ae2a00cc41b514f66

      SHA256

      7f0893769c069e8c74dddf28e8683a045850a127980f78c1858e10a033e230a9

      SHA512

      36de12e4750d96b8bb4dd89d0c3f769eaf482f8007032605209998488465fec16f54b7c4a3436a1a674d4eac51da8d0ace2f243294d58c8367200d2b77043332

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe

      Filesize

      339KB

      MD5

      0e1174fc587f94b110084e038ed1ddfa

      SHA1

      6dedaed9242d8e568c0b685ae2a00cc41b514f66

      SHA256

      7f0893769c069e8c74dddf28e8683a045850a127980f78c1858e10a033e230a9

      SHA512

      36de12e4750d96b8bb4dd89d0c3f769eaf482f8007032605209998488465fec16f54b7c4a3436a1a674d4eac51da8d0ace2f243294d58c8367200d2b77043332

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe

      Filesize

      249KB

      MD5

      ab970bf25face7f80c360eb7d19b093c

      SHA1

      919fef0e22047325ee051f47a33ecb55545868ab

      SHA256

      432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373

      SHA512

      cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe

      Filesize

      249KB

      MD5

      ab970bf25face7f80c360eb7d19b093c

      SHA1

      919fef0e22047325ee051f47a33ecb55545868ab

      SHA256

      432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373

      SHA512

      cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c

    • memory/1120-138-0x0000000000710000-0x000000000071A000-memory.dmp

      Filesize

      40KB

    • memory/1120-139-0x00007FF8E1E10000-0x00007FF8E28D1000-memory.dmp

      Filesize

      10.8MB

    • memory/1120-140-0x00007FF8E1E10000-0x00007FF8E28D1000-memory.dmp

      Filesize

      10.8MB

    • memory/4532-148-0x0000000000833000-0x0000000000853000-memory.dmp

      Filesize

      128KB

    • memory/4532-144-0x0000000000833000-0x0000000000853000-memory.dmp

      Filesize

      128KB

    • memory/4532-146-0x0000000000400000-0x00000000007BD000-memory.dmp

      Filesize

      3.7MB

    • memory/4532-147-0x0000000004D50000-0x00000000052F4000-memory.dmp

      Filesize

      5.6MB

    • memory/4532-145-0x0000000000950000-0x000000000097D000-memory.dmp

      Filesize

      180KB

    • memory/4532-149-0x0000000000400000-0x00000000007BD000-memory.dmp

      Filesize

      3.7MB

    • memory/4740-153-0x00000000009F0000-0x0000000000A22000-memory.dmp

      Filesize

      200KB

    • memory/4740-154-0x0000000005910000-0x0000000005F28000-memory.dmp

      Filesize

      6.1MB

    • memory/4740-155-0x0000000005490000-0x000000000559A000-memory.dmp

      Filesize

      1.0MB

    • memory/4740-156-0x00000000053C0000-0x00000000053D2000-memory.dmp

      Filesize

      72KB

    • memory/4740-157-0x0000000005420000-0x000000000545C000-memory.dmp

      Filesize

      240KB

    • memory/4740-158-0x0000000005750000-0x00000000057B6000-memory.dmp

      Filesize

      408KB

    • memory/4740-159-0x00000000062E0000-0x0000000006372000-memory.dmp

      Filesize

      584KB

    • memory/4740-160-0x0000000006510000-0x0000000006586000-memory.dmp

      Filesize

      472KB

    • memory/4740-161-0x0000000006590000-0x00000000065E0000-memory.dmp

      Filesize

      320KB

    • memory/4740-162-0x0000000006EE0000-0x00000000070A2000-memory.dmp

      Filesize

      1.8MB

    • memory/4740-163-0x00000000075E0000-0x0000000007B0C000-memory.dmp

      Filesize

      5.2MB