Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2023 23:37

General

  • Target

    28153a3179c28ed7fa930190a59aa653088a0768e7db3a7d2ed927d275dd9545.exe

  • Size

    581KB

  • MD5

    e70e8dd2f2a949f1a73438c0f498de1c

  • SHA1

    40ce5995dd5cffd9d698a448d426552e97222f0a

  • SHA256

    28153a3179c28ed7fa930190a59aa653088a0768e7db3a7d2ed927d275dd9545

  • SHA512

    c25c2d67e6170e9ede05ba67d81a6c6bcc6b58f3015a577a09e35786373276adeaecc1958ea600614b2fc260bf052e022e723f1e1430b7695b5e9cecf492e6f5

  • SSDEEP

    12288:RMrFy90LNRlNsFmw633onPfQGpMvr6Rt6f2VwerUzGd3JmMh3t:8ymDNF33onpMvr5uL448Mh3t

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 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28153a3179c28ed7fa930190a59aa653088a0768e7db3a7d2ed927d275dd9545.exe
    "C:\Users\Admin\AppData\Local\Temp\28153a3179c28ed7fa930190a59aa653088a0768e7db3a7d2ed927d275dd9545.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0163337.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0163337.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5262794.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5262794.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1452
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4503013.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4503013.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1740
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1864269.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1864269.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3864

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\v0163337.exe
    Filesize

    377KB

    MD5

    d54f5d86752783d875f97f490ee9c4ee

    SHA1

    2d2f410d3385c6ef998e7472f37d3d02d1645a6d

    SHA256

    72c376e5219ba56b7f2e1fd2e4bb7aca990ad559756b2d3a637bcb387f3704f7

    SHA512

    895f2d5be2aa6956aba029e4b5cb0eb5cdfec41157864746b01d125a6803955df708dc9180f8ea17a586f2e0f3bc138e19a2c42132aa6a2daf56ee78464b208b

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0163337.exe
    Filesize

    377KB

    MD5

    d54f5d86752783d875f97f490ee9c4ee

    SHA1

    2d2f410d3385c6ef998e7472f37d3d02d1645a6d

    SHA256

    72c376e5219ba56b7f2e1fd2e4bb7aca990ad559756b2d3a637bcb387f3704f7

    SHA512

    895f2d5be2aa6956aba029e4b5cb0eb5cdfec41157864746b01d125a6803955df708dc9180f8ea17a586f2e0f3bc138e19a2c42132aa6a2daf56ee78464b208b

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5262794.exe
    Filesize

    206KB

    MD5

    6bf27e6ba7e468255f00253cda2e6555

    SHA1

    54d1b0f418b6213f07bdb1ff9db0227f100661c5

    SHA256

    39e48736209532427294c3d9d981a95bbdebd0cb733f913d8e9ab913cde3ad50

    SHA512

    fe5853001f1b4f163a4c10d51be33b28e9306e9f4f2ee23b8e144842a774e3362faccddd1b6a02b8d98b594248e3c512f269947976b4f0bf7a81d670bff6dce3

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5262794.exe
    Filesize

    206KB

    MD5

    6bf27e6ba7e468255f00253cda2e6555

    SHA1

    54d1b0f418b6213f07bdb1ff9db0227f100661c5

    SHA256

    39e48736209532427294c3d9d981a95bbdebd0cb733f913d8e9ab913cde3ad50

    SHA512

    fe5853001f1b4f163a4c10d51be33b28e9306e9f4f2ee23b8e144842a774e3362faccddd1b6a02b8d98b594248e3c512f269947976b4f0bf7a81d670bff6dce3

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4503013.exe
    Filesize

    11KB

    MD5

    544e4d6d23e9db6da1b8753cfc5b9775

    SHA1

    0191aa084984865635388d451d5369efaa28ad2b

    SHA256

    71dcd99212242a8d684df4ad27a98f03c256dc9e0294d6a848091249fc22b517

    SHA512

    ba827a17c670991d64dbc75b12e42a5961f6238b21aa80f788c89ef4c52e2c4de14377977340f9e583fac6f3aec9d38d589b74315072f1e2f0602c638566c15b

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a4503013.exe
    Filesize

    11KB

    MD5

    544e4d6d23e9db6da1b8753cfc5b9775

    SHA1

    0191aa084984865635388d451d5369efaa28ad2b

    SHA256

    71dcd99212242a8d684df4ad27a98f03c256dc9e0294d6a848091249fc22b517

    SHA512

    ba827a17c670991d64dbc75b12e42a5961f6238b21aa80f788c89ef4c52e2c4de14377977340f9e583fac6f3aec9d38d589b74315072f1e2f0602c638566c15b

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1864269.exe
    Filesize

    172KB

    MD5

    b32047d717888012646378aa1cb85150

    SHA1

    29a00294ffee7acda851aec1f688d5f1bbd0735b

    SHA256

    f0e11578c56fa3ed2a95790a329b9fc215966581b756013d10225b0f0e85a5c6

    SHA512

    c9d7479c99ebcb863a2161251e801172a98d8311b24faaab82ee22d5aa55ca7344c2e028429bda0f5473d4d302213ee53789624ff6a268ae0fc5e98fb7d95bfc

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1864269.exe
    Filesize

    172KB

    MD5

    b32047d717888012646378aa1cb85150

    SHA1

    29a00294ffee7acda851aec1f688d5f1bbd0735b

    SHA256

    f0e11578c56fa3ed2a95790a329b9fc215966581b756013d10225b0f0e85a5c6

    SHA512

    c9d7479c99ebcb863a2161251e801172a98d8311b24faaab82ee22d5aa55ca7344c2e028429bda0f5473d4d302213ee53789624ff6a268ae0fc5e98fb7d95bfc

  • memory/1740-154-0x0000000000AA0000-0x0000000000AAA000-memory.dmp
    Filesize

    40KB

  • memory/3864-160-0x000000000A690000-0x000000000ACA8000-memory.dmp
    Filesize

    6.1MB

  • memory/3864-166-0x000000000A5C0000-0x000000000A652000-memory.dmp
    Filesize

    584KB

  • memory/3864-161-0x000000000A1F0000-0x000000000A2FA000-memory.dmp
    Filesize

    1.0MB

  • memory/3864-162-0x000000000A130000-0x000000000A142000-memory.dmp
    Filesize

    72KB

  • memory/3864-163-0x00000000009B0000-0x00000000009C0000-memory.dmp
    Filesize

    64KB

  • memory/3864-164-0x000000000A190000-0x000000000A1CC000-memory.dmp
    Filesize

    240KB

  • memory/3864-165-0x000000000A4A0000-0x000000000A516000-memory.dmp
    Filesize

    472KB

  • memory/3864-159-0x0000000000270000-0x00000000002A0000-memory.dmp
    Filesize

    192KB

  • memory/3864-167-0x000000000B360000-0x000000000B904000-memory.dmp
    Filesize

    5.6MB

  • memory/3864-168-0x000000000ADB0000-0x000000000AE16000-memory.dmp
    Filesize

    408KB

  • memory/3864-169-0x000000000BAE0000-0x000000000BCA2000-memory.dmp
    Filesize

    1.8MB

  • memory/3864-170-0x000000000C1E0000-0x000000000C70C000-memory.dmp
    Filesize

    5.2MB

  • memory/3864-171-0x000000000B2A0000-0x000000000B2F0000-memory.dmp
    Filesize

    320KB

  • memory/3864-172-0x00000000009B0000-0x00000000009C0000-memory.dmp
    Filesize

    64KB