Analysis

  • max time kernel
    55s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-03-2023 10:46

General

  • Target

    bc31af28b70f6d09c9913910ef3cd161247084d2ba723f2633fc8b6893dd0ef5.exe

  • Size

    539KB

  • MD5

    6fbbcd7e6998beb378b8c4efe8f9d13a

  • SHA1

    a14c2fc57dee73794cb93f76bbbccbe8d749cc4f

  • SHA256

    bc31af28b70f6d09c9913910ef3cd161247084d2ba723f2633fc8b6893dd0ef5

  • SHA512

    b2b5123bf2b8d5bc2796f1db57630106411f487fe8a47db9b10166598fefa9d8112ef604bc4ce7b0d86d94a3c6ab764ae749d465fc2837d5bc02549f3b7eea52

  • SSDEEP

    12288:HMroy90cVUddnwzMHf6h22fY5xhI4+6Ea3nlebA29KvFGw:Ly+8hJfYrYXaXlOA+K9Gw

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

hero

C2

193.233.20.31:4125

Attributes
  • auth_value

    11f3c75a88ca461bcc8d6bf60a1193e3

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • RedLine

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

  • RedLine payload 35 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc31af28b70f6d09c9913910ef3cd161247084d2ba723f2633fc8b6893dd0ef5.exe
    "C:\Users\Admin\AppData\Local\Temp\bc31af28b70f6d09c9913910ef3cd161247084d2ba723f2633fc8b6893dd0ef5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4452.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4452.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9871.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9871.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3688
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0419.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0419.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4120
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si311668.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si311668.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4664

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\si311668.exe
    Filesize

    175KB

    MD5

    7c11dfe7837f2079d50113de0e973682

    SHA1

    fae072addd4d56ab67d08ab82da4aac5d7223960

    SHA256

    442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

    SHA512

    06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si311668.exe
    Filesize

    175KB

    MD5

    7c11dfe7837f2079d50113de0e973682

    SHA1

    fae072addd4d56ab67d08ab82da4aac5d7223960

    SHA256

    442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

    SHA512

    06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4452.exe
    Filesize

    397KB

    MD5

    622442c383401dfac8a1cb13f3f35b1a

    SHA1

    479566ac3faf384e2ae2d9f74eabc698a886b076

    SHA256

    248ac357829135fd83d8b5eacede6b8c6abc7718e0ff4d29629794a80ed1ce5c

    SHA512

    f36c58baa41e69bb86a0302fc196d73ffcbcd9a48351525526dcaebebca004a1a33f3287cf6351f331735384b525824b37f3b45764d3f91deb4124bb77af7425

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4452.exe
    Filesize

    397KB

    MD5

    622442c383401dfac8a1cb13f3f35b1a

    SHA1

    479566ac3faf384e2ae2d9f74eabc698a886b076

    SHA256

    248ac357829135fd83d8b5eacede6b8c6abc7718e0ff4d29629794a80ed1ce5c

    SHA512

    f36c58baa41e69bb86a0302fc196d73ffcbcd9a48351525526dcaebebca004a1a33f3287cf6351f331735384b525824b37f3b45764d3f91deb4124bb77af7425

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9871.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9871.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0419.exe
    Filesize

    355KB

    MD5

    f90dfad834c6f5e86238ab183ded8500

    SHA1

    adad7af48c42495db17720dc665a4c9fdaa2916b

    SHA256

    4eabc1b7acc976dc1507cca8c27b278da771c638d737474c9be891701f194bab

    SHA512

    aee6210ffdcf9113b21eaf2c4f8eef1e2337eb8d3baa2ccbcafa32cab4232c213560e28827a2731f2020be436095fb9f98060f3467e894743d95c30684254049

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0419.exe
    Filesize

    355KB

    MD5

    f90dfad834c6f5e86238ab183ded8500

    SHA1

    adad7af48c42495db17720dc665a4c9fdaa2916b

    SHA256

    4eabc1b7acc976dc1507cca8c27b278da771c638d737474c9be891701f194bab

    SHA512

    aee6210ffdcf9113b21eaf2c4f8eef1e2337eb8d3baa2ccbcafa32cab4232c213560e28827a2731f2020be436095fb9f98060f3467e894743d95c30684254049

  • memory/3688-135-0x0000000000860000-0x000000000086A000-memory.dmp
    Filesize

    40KB

  • memory/4120-141-0x0000000002CF0000-0x0000000002D3B000-memory.dmp
    Filesize

    300KB

  • memory/4120-142-0x0000000007070000-0x00000000070B6000-memory.dmp
    Filesize

    280KB

  • memory/4120-143-0x00000000071F0000-0x0000000007200000-memory.dmp
    Filesize

    64KB

  • memory/4120-144-0x00000000071F0000-0x0000000007200000-memory.dmp
    Filesize

    64KB

  • memory/4120-145-0x0000000007200000-0x00000000076FE000-memory.dmp
    Filesize

    5.0MB

  • memory/4120-146-0x00000000070F0000-0x0000000007134000-memory.dmp
    Filesize

    272KB

  • memory/4120-147-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-148-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-150-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-152-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-156-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-154-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-158-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-162-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-160-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-164-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-168-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-170-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-172-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-166-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-176-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-174-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-180-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-178-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-186-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-184-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-182-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-188-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-190-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-192-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-196-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-200-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-198-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-194-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-204-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-202-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-208-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-206-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-210-0x00000000070F0000-0x000000000712E000-memory.dmp
    Filesize

    248KB

  • memory/4120-1053-0x0000000007700000-0x0000000007D06000-memory.dmp
    Filesize

    6.0MB

  • memory/4120-1054-0x0000000007D30000-0x0000000007E3A000-memory.dmp
    Filesize

    1.0MB

  • memory/4120-1055-0x0000000007E70000-0x0000000007E82000-memory.dmp
    Filesize

    72KB

  • memory/4120-1056-0x0000000007E90000-0x0000000007ECE000-memory.dmp
    Filesize

    248KB

  • memory/4120-1057-0x00000000071F0000-0x0000000007200000-memory.dmp
    Filesize

    64KB

  • memory/4120-1058-0x0000000007FE0000-0x000000000802B000-memory.dmp
    Filesize

    300KB

  • memory/4120-1060-0x0000000008170000-0x0000000008202000-memory.dmp
    Filesize

    584KB

  • memory/4120-1061-0x0000000008210000-0x0000000008276000-memory.dmp
    Filesize

    408KB

  • memory/4120-1062-0x00000000071F0000-0x0000000007200000-memory.dmp
    Filesize

    64KB

  • memory/4120-1063-0x0000000009BD0000-0x0000000009D92000-memory.dmp
    Filesize

    1.8MB

  • memory/4120-1064-0x0000000009DA0000-0x000000000A2CC000-memory.dmp
    Filesize

    5.2MB

  • memory/4120-1065-0x000000000A350000-0x000000000A3C6000-memory.dmp
    Filesize

    472KB

  • memory/4120-1066-0x000000000A3F0000-0x000000000A440000-memory.dmp
    Filesize

    320KB

  • memory/4664-1072-0x0000000000970000-0x00000000009A2000-memory.dmp
    Filesize

    200KB

  • memory/4664-1073-0x00000000053B0000-0x00000000053FB000-memory.dmp
    Filesize

    300KB

  • memory/4664-1074-0x00000000054C0000-0x00000000054D0000-memory.dmp
    Filesize

    64KB