Analysis

  • max time kernel
    124s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    25-11-2021 01:32

General

  • Target

    6cabbea15650e4e8bd8ef86467580185ec6588a681b70481d865850c862c765a.exe

  • Size

    664KB

  • MD5

    771ab6b6b3541392cdd441a90f44e132

  • SHA1

    bb7bd789f708c82dca14ae40b093daa987277725

  • SHA256

    6cabbea15650e4e8bd8ef86467580185ec6588a681b70481d865850c862c765a

  • SHA512

    bb55c1c8a82b0969fbb336164edc1168394230a7636798bf0d43cd50116a778862d09e179acefaf3e067a386b61173115722354f228ed07974847a3e0a360776

Malware Config

Extracted

Family

redline

Botnet

25.11

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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cabbea15650e4e8bd8ef86467580185ec6588a681b70481d865850c862c765a.exe
    "C:\Users\Admin\AppData\Local\Temp\6cabbea15650e4e8bd8ef86467580185ec6588a681b70481d865850c862c765a.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Users\Admin\AppData\Roaming\blair\dipster.exe
      dipster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4048

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

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

    257225c69bce80a10227a6d158217989

    SHA1

    eef104788d8ec248357868a1a8005308a900a87c

    SHA256

    3a29db8c7caf9d999a35298da6afcdca99c1b64d6195abecd21962fd15dc4416

    SHA512

    0b5451cb7597e843fb85d8c54cc6808d0a021e0176f0a525a7c2499f99faed5a7074c2884c5e15581a5bfd844f4d088836aac96aab63f3f210034dce66b30e39

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

    257225c69bce80a10227a6d158217989

    SHA1

    eef104788d8ec248357868a1a8005308a900a87c

    SHA256

    3a29db8c7caf9d999a35298da6afcdca99c1b64d6195abecd21962fd15dc4416

    SHA512

    0b5451cb7597e843fb85d8c54cc6808d0a021e0176f0a525a7c2499f99faed5a7074c2884c5e15581a5bfd844f4d088836aac96aab63f3f210034dce66b30e39

  • memory/3668-119-0x00000000039B0000-0x0000000003A7F000-memory.dmp
    Filesize

    828KB

  • memory/3668-120-0x0000000000400000-0x0000000001C5C000-memory.dmp
    Filesize

    24.4MB

  • memory/3668-118-0x0000000001EDE000-0x0000000001F4A000-memory.dmp
    Filesize

    432KB

  • memory/4048-130-0x0000000004BE2000-0x0000000004BE3000-memory.dmp
    Filesize

    4KB

  • memory/4048-134-0x0000000005710000-0x0000000005711000-memory.dmp
    Filesize

    4KB

  • memory/4048-126-0x0000000000510000-0x000000000065A000-memory.dmp
    Filesize

    1.3MB

  • memory/4048-127-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/4048-128-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
    Filesize

    4KB

  • memory/4048-125-0x0000000000450000-0x00000000004FE000-memory.dmp
    Filesize

    696KB

  • memory/4048-129-0x0000000004BE3000-0x0000000004BE4000-memory.dmp
    Filesize

    4KB

  • memory/4048-121-0x0000000000000000-mapping.dmp
  • memory/4048-131-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
    Filesize

    4KB

  • memory/4048-132-0x00000000022F0000-0x000000000231C000-memory.dmp
    Filesize

    176KB

  • memory/4048-133-0x00000000050F0000-0x00000000050F1000-memory.dmp
    Filesize

    4KB

  • memory/4048-124-0x0000000002280000-0x00000000022AE000-memory.dmp
    Filesize

    184KB

  • memory/4048-135-0x0000000005740000-0x0000000005741000-memory.dmp
    Filesize

    4KB

  • memory/4048-136-0x0000000005890000-0x0000000005891000-memory.dmp
    Filesize

    4KB

  • memory/4048-137-0x00000000058E0000-0x00000000058E1000-memory.dmp
    Filesize

    4KB

  • memory/4048-138-0x0000000004BE4000-0x0000000004BE6000-memory.dmp
    Filesize

    8KB

  • memory/4048-139-0x0000000005B80000-0x0000000005B81000-memory.dmp
    Filesize

    4KB

  • memory/4048-140-0x0000000006240000-0x0000000006241000-memory.dmp
    Filesize

    4KB

  • memory/4048-141-0x00000000062D0000-0x00000000062D1000-memory.dmp
    Filesize

    4KB

  • memory/4048-142-0x00000000063D0000-0x00000000063D1000-memory.dmp
    Filesize

    4KB

  • memory/4048-143-0x0000000006600000-0x0000000006601000-memory.dmp
    Filesize

    4KB

  • memory/4048-144-0x00000000067D0000-0x00000000067D1000-memory.dmp
    Filesize

    4KB