Resubmissions

28-10-2024 23:04

241028-22jrksxlak 10

07-05-2023 01:54

230507-cbnkeada91 10

Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2023 01:54

General

  • Target

    4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe

  • Size

    686KB

  • MD5

    3c621601ec170837b121300ec549fdfa

  • SHA1

    45335d9e83de2198e7841d2eac51f048e87d6b98

  • SHA256

    4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8

  • SHA512

    6d1e0ba7aceceea2ab58e8fa0e68d047c76f54dd9047b78edc3daaaf886336014f4d9e069a7336416a3b8dedfde77bee3986fa33293d0593b45c5df5983d7032

  • SSDEEP

    12288:Ay908z1WEkGc3gWaySF7yCSAx5EJOGuYX8159v2O6HPAo:AyZAEMQRxhSEGuo8L98HPAo

Malware Config

Signatures

  • Detects Redline Stealer samples 1 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
    "C:\Users\Admin\AppData\Local\Temp\4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4416
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1088
          4⤵
          • Program crash
          PID:1016
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4416 -ip 4416
    1⤵
      PID:2120

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe

      Filesize

      532KB

      MD5

      15eb9137c9576bbb79715b696544cf10

      SHA1

      7f44d4a2187fbc294554acc95c223d83cc7e22fd

      SHA256

      943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0

      SHA512

      882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe

      Filesize

      532KB

      MD5

      15eb9137c9576bbb79715b696544cf10

      SHA1

      7f44d4a2187fbc294554acc95c223d83cc7e22fd

      SHA256

      943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0

      SHA512

      882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

      Filesize

      249KB

      MD5

      967294b8bf41a79cf7b5fcca0bf4f78d

      SHA1

      b82418500993ff888c355a625c1b4302adce317d

      SHA256

      c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

      SHA512

      ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

      Filesize

      249KB

      MD5

      967294b8bf41a79cf7b5fcca0bf4f78d

      SHA1

      b82418500993ff888c355a625c1b4302adce317d

      SHA256

      c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

      SHA512

      ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

      Filesize

      332KB

      MD5

      cf03b24cbdc27f345241f556c6c929fc

      SHA1

      22dfb8131813135a0448a8d878114003071a66e6

      SHA256

      35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

      SHA512

      b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

      Filesize

      332KB

      MD5

      cf03b24cbdc27f345241f556c6c929fc

      SHA1

      22dfb8131813135a0448a8d878114003071a66e6

      SHA256

      35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

      SHA512

      b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

    • memory/1956-217-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-220-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-997-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-996-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-195-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-994-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-992-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-991-0x00000000072D0000-0x000000000730C000-memory.dmp

      Filesize

      240KB

    • memory/1956-990-0x000000000A380000-0x000000000A48A000-memory.dmp

      Filesize

      1.0MB

    • memory/1956-989-0x00000000072A0000-0x00000000072B2000-memory.dmp

      Filesize

      72KB

    • memory/1956-988-0x0000000009D60000-0x000000000A378000-memory.dmp

      Filesize

      6.1MB

    • memory/1956-227-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-225-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-223-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-213-0x0000000004810000-0x0000000004856000-memory.dmp

      Filesize

      280KB

    • memory/1956-221-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-218-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-197-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-214-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-211-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-209-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-207-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-193-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-205-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-203-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-192-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-201-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/1956-995-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-215-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/1956-199-0x00000000071D0000-0x0000000007205000-memory.dmp

      Filesize

      212KB

    • memory/4416-149-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-184-0x00000000072E0000-0x00000000072F0000-memory.dmp

      Filesize

      64KB

    • memory/4416-187-0x0000000000400000-0x0000000002B9A000-memory.dmp

      Filesize

      39.6MB

    • memory/4416-185-0x00000000072E0000-0x00000000072F0000-memory.dmp

      Filesize

      64KB

    • memory/4416-150-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-183-0x00000000072E0000-0x00000000072F0000-memory.dmp

      Filesize

      64KB

    • memory/4416-181-0x0000000000400000-0x0000000002B9A000-memory.dmp

      Filesize

      39.6MB

    • memory/4416-174-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-179-0x00000000072E0000-0x00000000072F0000-memory.dmp

      Filesize

      64KB

    • memory/4416-148-0x00000000072F0000-0x0000000007894000-memory.dmp

      Filesize

      5.6MB

    • memory/4416-178-0x00000000072E0000-0x00000000072F0000-memory.dmp

      Filesize

      64KB

    • memory/4416-154-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-176-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-177-0x0000000002D00000-0x0000000002D2D000-memory.dmp

      Filesize

      180KB

    • memory/4416-180-0x00000000072E0000-0x00000000072F0000-memory.dmp

      Filesize

      64KB

    • memory/4416-172-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-170-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-168-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-166-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-164-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-162-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-160-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-158-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-156-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB

    • memory/4416-152-0x00000000049F0000-0x0000000004A03000-memory.dmp

      Filesize

      76KB