Analysis

  • max time kernel
    77s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2023 21:15

General

  • Target

    37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501.exe

  • Size

    544KB

  • MD5

    5cc3b4aaa38a630d7245f7e05ff349f2

  • SHA1

    44a852bc35d7739a50cf8c9b38e9ea880c0d2499

  • SHA256

    37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501

  • SHA512

    04f37a83e96c3cc5e0e55c3c4f58aec73f5dcb87c2ebf40e1df0d9439ec0ec0004d74e2b070685aceaba67c4464baff59a2324aafb63842e61ab956f9b4f429a

  • SSDEEP

    12288:CMrSy90sUUvoykXy1qfUiMLqwkqApFkw2fv:kypUe23MWTqA2v

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

lown

C2

193.233.20.31:4125

Attributes
  • auth_value

    4cf836e062bcdc2a4fdbf410f5747ec7

Signatures

  • 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.

  • RedLine payload 33 IoCs
  • 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 1 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\37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501.exe
    "C:\Users\Admin\AppData\Local\Temp\37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba4946.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba4946.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h76jB55.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h76jB55.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3304
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iFENo50.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iFENo50.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 1540
          4⤵
          • Program crash
          PID:4276
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l17Ar36.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l17Ar36.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3984 -ip 3984
    1⤵
      PID:1088

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l17Ar36.exe
      Filesize

      175KB

      MD5

      50809fe16d7c482c1f4a2ea19fdcbc0a

      SHA1

      11b6f69c06a724da15183b16039c5cbc86016158

      SHA256

      09917b67829de37b5d6be8115c8f8321f436554f426a24e079257a8368051cb1

      SHA512

      c35170e5eb6dabda9fd2d289153df829957ca8e9665178529a1ba36395155bb34f489372993ec694d10bea490c86cef2ae152e2df480288aca8e796ba135261f

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l17Ar36.exe
      Filesize

      175KB

      MD5

      50809fe16d7c482c1f4a2ea19fdcbc0a

      SHA1

      11b6f69c06a724da15183b16039c5cbc86016158

      SHA256

      09917b67829de37b5d6be8115c8f8321f436554f426a24e079257a8368051cb1

      SHA512

      c35170e5eb6dabda9fd2d289153df829957ca8e9665178529a1ba36395155bb34f489372993ec694d10bea490c86cef2ae152e2df480288aca8e796ba135261f

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba4946.exe
      Filesize

      402KB

      MD5

      53f2e44cbaed42a603fa5c7804e93920

      SHA1

      56ce166a7097893e6405564de737cf6e80792339

      SHA256

      db35019a40b9fccf3a89ce72ddc87958a953ca6379fdc48e47e46711ca683712

      SHA512

      1c31ebb49318c4a6be2fda80bd45c9e6b2048affa5ba584243d950f71bead36c7399bc8a83f7df1597634972cdb615021322611f6474a833ee0024c6ff11c3c2

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba4946.exe
      Filesize

      402KB

      MD5

      53f2e44cbaed42a603fa5c7804e93920

      SHA1

      56ce166a7097893e6405564de737cf6e80792339

      SHA256

      db35019a40b9fccf3a89ce72ddc87958a953ca6379fdc48e47e46711ca683712

      SHA512

      1c31ebb49318c4a6be2fda80bd45c9e6b2048affa5ba584243d950f71bead36c7399bc8a83f7df1597634972cdb615021322611f6474a833ee0024c6ff11c3c2

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h76jB55.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h76jB55.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iFENo50.exe
      Filesize

      349KB

      MD5

      7c131b9498bcccb35516ede82c0c5fec

      SHA1

      0ea544c8efcb1898a022f3b4f1433bac7507bcaa

      SHA256

      28fc05efb2c8052705f0b099ef9f06a3f98bce442a5f32b04436ab23d7a33ac6

      SHA512

      c05eab928bf81f838f9d19b117bd503e618b1f1c2e6ae2780e5c3006c9a1b0ba46768e56ac2c7d7ca6d24cc61b1c3f36dcddd54980df7483d06b31314281c9ad

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iFENo50.exe
      Filesize

      349KB

      MD5

      7c131b9498bcccb35516ede82c0c5fec

      SHA1

      0ea544c8efcb1898a022f3b4f1433bac7507bcaa

      SHA256

      28fc05efb2c8052705f0b099ef9f06a3f98bce442a5f32b04436ab23d7a33ac6

      SHA512

      c05eab928bf81f838f9d19b117bd503e618b1f1c2e6ae2780e5c3006c9a1b0ba46768e56ac2c7d7ca6d24cc61b1c3f36dcddd54980df7483d06b31314281c9ad

    • memory/3304-147-0x00000000005D0000-0x00000000005DA000-memory.dmp
      Filesize

      40KB

    • memory/3984-153-0x0000000004D60000-0x0000000005304000-memory.dmp
      Filesize

      5.6MB

    • memory/3984-154-0x0000000000990000-0x00000000009DB000-memory.dmp
      Filesize

      300KB

    • memory/3984-155-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-156-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-157-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-158-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-159-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-161-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-163-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-165-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-167-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-169-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-171-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-173-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-175-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-177-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-179-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-181-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-183-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-185-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-187-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-189-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-191-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-193-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-195-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-197-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-199-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-201-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-203-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-205-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-207-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-209-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-211-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-213-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-215-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-217-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-219-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-221-0x0000000004D10000-0x0000000004D4E000-memory.dmp
      Filesize

      248KB

    • memory/3984-1064-0x0000000005320000-0x0000000005938000-memory.dmp
      Filesize

      6.1MB

    • memory/3984-1065-0x00000000059C0000-0x0000000005ACA000-memory.dmp
      Filesize

      1.0MB

    • memory/3984-1066-0x0000000005B00000-0x0000000005B12000-memory.dmp
      Filesize

      72KB

    • memory/3984-1067-0x0000000005B20000-0x0000000005B5C000-memory.dmp
      Filesize

      240KB

    • memory/3984-1068-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-1070-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-1071-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-1072-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/3984-1073-0x0000000005E10000-0x0000000005EA2000-memory.dmp
      Filesize

      584KB

    • memory/3984-1074-0x0000000005EB0000-0x0000000005F16000-memory.dmp
      Filesize

      408KB

    • memory/3984-1075-0x00000000065D0000-0x0000000006646000-memory.dmp
      Filesize

      472KB

    • memory/3984-1076-0x0000000006660000-0x00000000066B0000-memory.dmp
      Filesize

      320KB

    • memory/3984-1077-0x00000000066C0000-0x0000000006882000-memory.dmp
      Filesize

      1.8MB

    • memory/3984-1078-0x0000000006890000-0x0000000006DBC000-memory.dmp
      Filesize

      5.2MB

    • memory/3984-1080-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/5060-1085-0x00000000009A0000-0x00000000009D2000-memory.dmp
      Filesize

      200KB

    • memory/5060-1086-0x00000000056D0000-0x00000000056E0000-memory.dmp
      Filesize

      64KB