Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    09-11-2021 13:16

General

  • Target

    ced4db50a857760c1f68b6bf53026b63ef3611a7287aee75516963767e3413ae.exe

  • Size

    656KB

  • MD5

    3809f4a381c0f6da1c9bcecf01c66684

  • SHA1

    5c157fd28ba9fe3a0841beb8ed912e550a67ce89

  • SHA256

    ced4db50a857760c1f68b6bf53026b63ef3611a7287aee75516963767e3413ae

  • SHA512

    2bd22a895c8556644d773821a341901144bb8152a21cd3022ed88910515761baaf1281284db937534863491655a51c909eea458051ce10e42b94a92a641b0a5c

Malware Config

Extracted

Family

redline

Botnet

09.11

C2

185.215.113.17:7700

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ced4db50a857760c1f68b6bf53026b63ef3611a7287aee75516963767e3413ae.exe
    "C:\Users\Admin\AppData\Local\Temp\ced4db50a857760c1f68b6bf53026b63ef3611a7287aee75516963767e3413ae.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Users\Admin\AppData\Roaming\warmded\dipster.exe
      dipster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4220

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\warmded\dipster.exe
    MD5

    60c1c744ea8ef33fecca02fc1ed86d87

    SHA1

    8c63cb28883d6816e13a4a1da3915233687fb33f

    SHA256

    1e1daae3257119a71a5f017ca4986a933a961b226955b651fc91502ac391a5fc

    SHA512

    082e8176ab8648e3427f2fcbc6c472ea47091e14c9062214cc4f3a6b33336e18a8c2c5d48cda0be855b1f9e4d9c06ea90584ee5b8b6381b5cb01f474642b2ea0

  • C:\Users\Admin\AppData\Roaming\warmded\dipster.exe
    MD5

    60c1c744ea8ef33fecca02fc1ed86d87

    SHA1

    8c63cb28883d6816e13a4a1da3915233687fb33f

    SHA256

    1e1daae3257119a71a5f017ca4986a933a961b226955b651fc91502ac391a5fc

    SHA512

    082e8176ab8648e3427f2fcbc6c472ea47091e14c9062214cc4f3a6b33336e18a8c2c5d48cda0be855b1f9e4d9c06ea90584ee5b8b6381b5cb01f474642b2ea0

  • memory/3584-119-0x00000000047F0000-0x00000000048BF000-memory.dmp
    Filesize

    828KB

  • memory/3584-120-0x0000000000400000-0x0000000002B9D000-memory.dmp
    Filesize

    39.6MB

  • memory/3584-118-0x0000000002E5E000-0x0000000002ECA000-memory.dmp
    Filesize

    432KB

  • memory/4220-128-0x0000000004B70000-0x0000000004B71000-memory.dmp
    Filesize

    4KB

  • memory/4220-130-0x0000000004B72000-0x0000000004B73000-memory.dmp
    Filesize

    4KB

  • memory/4220-126-0x00000000020A0000-0x00000000020D9000-memory.dmp
    Filesize

    228KB

  • memory/4220-125-0x0000000002070000-0x000000000209B000-memory.dmp
    Filesize

    172KB

  • memory/4220-127-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/4220-121-0x0000000000000000-mapping.dmp
  • memory/4220-129-0x0000000004B73000-0x0000000004B74000-memory.dmp
    Filesize

    4KB

  • memory/4220-124-0x00000000023D0000-0x00000000023FE000-memory.dmp
    Filesize

    184KB

  • memory/4220-131-0x0000000004B80000-0x0000000004B81000-memory.dmp
    Filesize

    4KB

  • memory/4220-132-0x0000000002490000-0x00000000024BC000-memory.dmp
    Filesize

    176KB

  • memory/4220-133-0x0000000005080000-0x0000000005081000-memory.dmp
    Filesize

    4KB

  • memory/4220-134-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
    Filesize

    4KB

  • memory/4220-135-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

  • memory/4220-136-0x0000000004B74000-0x0000000004B76000-memory.dmp
    Filesize

    8KB

  • memory/4220-137-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB

  • memory/4220-138-0x00000000057C0000-0x00000000057C1000-memory.dmp
    Filesize

    4KB