Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2023 18:54

General

  • Target

    02823199.exe

  • Size

    580KB

  • MD5

    b8a552548110bda4128f4898a2d91880

  • SHA1

    f3157dcedfc0225ee4fd27d89aceb38f5755c17e

  • SHA256

    c5c0d8259b0179d3893845ee37f6cf226e7b5f5e0f86d89c25f67f25c5111f5d

  • SHA512

    cb0d140a0c916364106055cb4a7b8f458d14373d08c510abd6dab889aa821cde139486ae6663c994c016b212fb8bf80cb8318615bb69a4e44e80bc374cebfed2

  • SSDEEP

    12288:fMr3y90FMHuYwinCm9AWt7GJLNE789d1CvM:4yHfjCmGU7YLNTCM

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

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.

  • 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
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02823199.exe
    "C:\Users\Admin\AppData\Local\Temp\02823199.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7801997.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7801997.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5528468.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5528468.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3968
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5670341.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5670341.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3728
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5107172.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5107172.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1668

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

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7801997.exe
    Filesize

    377KB

    MD5

    be4d981dd2929502bb640d0de9ad2a2a

    SHA1

    0b5cbaa734dd8b20927f116dc0ae25ef475a9ba2

    SHA256

    40af033d1371abced7086f5d26cba872cd35f51acf913ebc016e8806eb997c8a

    SHA512

    b1a3ae76a63e1f79d747a53e2e003c1321ef1dd14ec206a44600c49456852943db3aeee5b5dd26b9aa74ce758977fc1dda2a314e3ca9ce91b48fc354225f61e8

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7801997.exe
    Filesize

    377KB

    MD5

    be4d981dd2929502bb640d0de9ad2a2a

    SHA1

    0b5cbaa734dd8b20927f116dc0ae25ef475a9ba2

    SHA256

    40af033d1371abced7086f5d26cba872cd35f51acf913ebc016e8806eb997c8a

    SHA512

    b1a3ae76a63e1f79d747a53e2e003c1321ef1dd14ec206a44600c49456852943db3aeee5b5dd26b9aa74ce758977fc1dda2a314e3ca9ce91b48fc354225f61e8

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5528468.exe
    Filesize

    206KB

    MD5

    881be49873e76e896dcd922f756fb4e6

    SHA1

    e1e11d256ddb75932eafcf2f313085d360d20547

    SHA256

    58fe7ffe2e6f947bc63703f23b89f8bada8f6907399935792ec6fd0d955619c9

    SHA512

    c6871e2223669107d69b0f71a1ed68316869016f3d39e77463ef13fb8c4305101418cb6cee79260ee14c9bfeddd588d6f8cbd00e5c1d1b98cb6542926b37b802

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5528468.exe
    Filesize

    206KB

    MD5

    881be49873e76e896dcd922f756fb4e6

    SHA1

    e1e11d256ddb75932eafcf2f313085d360d20547

    SHA256

    58fe7ffe2e6f947bc63703f23b89f8bada8f6907399935792ec6fd0d955619c9

    SHA512

    c6871e2223669107d69b0f71a1ed68316869016f3d39e77463ef13fb8c4305101418cb6cee79260ee14c9bfeddd588d6f8cbd00e5c1d1b98cb6542926b37b802

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5670341.exe
    Filesize

    11KB

    MD5

    fd9683ec29c78745ed8fd3373c804bd2

    SHA1

    01294920799cb1e7ed2595f618b2b6e16b5fd551

    SHA256

    e6e75520e77cb413bb91253a69aed590b4e43606b1a51c28da1d120f3bd8af35

    SHA512

    9ee71ae591b5bd2a7e2e2c767b2b361772ff8d162f0077faa1821258e6c4bf44a6934b54cd5e7de26241ec512fbfebb800b4a3df092c866a0f6bbbc5fc346b52

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5670341.exe
    Filesize

    11KB

    MD5

    fd9683ec29c78745ed8fd3373c804bd2

    SHA1

    01294920799cb1e7ed2595f618b2b6e16b5fd551

    SHA256

    e6e75520e77cb413bb91253a69aed590b4e43606b1a51c28da1d120f3bd8af35

    SHA512

    9ee71ae591b5bd2a7e2e2c767b2b361772ff8d162f0077faa1821258e6c4bf44a6934b54cd5e7de26241ec512fbfebb800b4a3df092c866a0f6bbbc5fc346b52

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5107172.exe
    Filesize

    172KB

    MD5

    45da8a914cedfeab596ef8651b33599b

    SHA1

    be96c30cc9952c337f15ba9db86810595917ce13

    SHA256

    fbdaf66fa8507628efaa88ba789c14ffb3c3fc83d03e7184a73e7f8fa0b6734e

    SHA512

    0ade6977b1c95effcabce1e7bb1be1f5ca7e4dab1feacfd3ebffa2e827fd2fb5f5b4164a52559f2813b0eabc8f12461d1e79956a80df4d87bf2db92ded8cf1b5

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b5107172.exe
    Filesize

    172KB

    MD5

    45da8a914cedfeab596ef8651b33599b

    SHA1

    be96c30cc9952c337f15ba9db86810595917ce13

    SHA256

    fbdaf66fa8507628efaa88ba789c14ffb3c3fc83d03e7184a73e7f8fa0b6734e

    SHA512

    0ade6977b1c95effcabce1e7bb1be1f5ca7e4dab1feacfd3ebffa2e827fd2fb5f5b4164a52559f2813b0eabc8f12461d1e79956a80df4d87bf2db92ded8cf1b5

  • memory/1668-160-0x000000000B240000-0x000000000B858000-memory.dmp
    Filesize

    6.1MB

  • memory/1668-165-0x000000000B070000-0x000000000B0E6000-memory.dmp
    Filesize

    472KB

  • memory/1668-172-0x0000000003230000-0x0000000003240000-memory.dmp
    Filesize

    64KB

  • memory/1668-161-0x000000000ADC0000-0x000000000AECA000-memory.dmp
    Filesize

    1.0MB

  • memory/1668-162-0x000000000AD00000-0x000000000AD12000-memory.dmp
    Filesize

    72KB

  • memory/1668-163-0x000000000AD60000-0x000000000AD9C000-memory.dmp
    Filesize

    240KB

  • memory/1668-164-0x0000000003230000-0x0000000003240000-memory.dmp
    Filesize

    64KB

  • memory/1668-159-0x0000000000E40000-0x0000000000E70000-memory.dmp
    Filesize

    192KB

  • memory/1668-166-0x000000000B190000-0x000000000B222000-memory.dmp
    Filesize

    584KB

  • memory/1668-167-0x000000000B0F0000-0x000000000B156000-memory.dmp
    Filesize

    408KB

  • memory/1668-168-0x000000000C250000-0x000000000C7F4000-memory.dmp
    Filesize

    5.6MB

  • memory/1668-169-0x000000000BD70000-0x000000000BDC0000-memory.dmp
    Filesize

    320KB

  • memory/1668-170-0x000000000C800000-0x000000000C9C2000-memory.dmp
    Filesize

    1.8MB

  • memory/1668-171-0x000000000CF00000-0x000000000D42C000-memory.dmp
    Filesize

    5.2MB

  • memory/3728-154-0x0000000000090000-0x000000000009A000-memory.dmp
    Filesize

    40KB