Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    24-11-2021 20:15

General

  • Target

    02d34a9f52c99614c2c3232ff92ce33d5a5a32a0bfb84482e074fba1ff08d328.exe

  • Size

    544KB

  • MD5

    88549a9fdc834d7222b315f3485c4949

  • SHA1

    11550556e59321b2d7f5b20fe01997c6252873d6

  • SHA256

    02d34a9f52c99614c2c3232ff92ce33d5a5a32a0bfb84482e074fba1ff08d328

  • SHA512

    e8558da4d81a6040d9213301a099cd66f491ea898ef7a65b44755d4f8881b4ce33a5013a734cadff0eac1ee75be2e39d8da7bc6de08cb0ca5f30cde3ea7c116f

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\02d34a9f52c99614c2c3232ff92ce33d5a5a32a0bfb84482e074fba1ff08d328.exe
    "C:\Users\Admin\AppData\Local\Temp\02d34a9f52c99614c2c3232ff92ce33d5a5a32a0bfb84482e074fba1ff08d328.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Roaming\blair\dipster.exe
      dipster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1180

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/1180-127-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/1180-122-0x0000000000520000-0x000000000066A000-memory.dmp
    Filesize

    1.3MB

  • memory/1180-129-0x00000000051B0000-0x00000000051B1000-memory.dmp
    Filesize

    4KB

  • memory/1180-141-0x0000000006790000-0x0000000006791000-memory.dmp
    Filesize

    4KB

  • memory/1180-130-0x0000000002560000-0x0000000002561000-memory.dmp
    Filesize

    4KB

  • memory/1180-121-0x0000000000450000-0x00000000004FE000-memory.dmp
    Filesize

    696KB

  • memory/1180-123-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/1180-131-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
    Filesize

    4KB

  • memory/1180-126-0x0000000004CA2000-0x0000000004CA3000-memory.dmp
    Filesize

    4KB

  • memory/1180-125-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/1180-140-0x00000000065C0000-0x00000000065C1000-memory.dmp
    Filesize

    4KB

  • memory/1180-128-0x0000000002480000-0x00000000024AC000-memory.dmp
    Filesize

    176KB

  • memory/1180-139-0x00000000063B0000-0x00000000063B1000-memory.dmp
    Filesize

    4KB

  • memory/1180-118-0x0000000000000000-mapping.dmp
  • memory/1180-124-0x00000000023D0000-0x00000000023FE000-memory.dmp
    Filesize

    184KB

  • memory/1180-132-0x0000000004C30000-0x0000000004C31000-memory.dmp
    Filesize

    4KB

  • memory/1180-133-0x00000000057C0000-0x00000000057C1000-memory.dmp
    Filesize

    4KB

  • memory/1180-134-0x0000000004CA3000-0x0000000004CA4000-memory.dmp
    Filesize

    4KB

  • memory/1180-135-0x0000000004CA4000-0x0000000004CA6000-memory.dmp
    Filesize

    8KB

  • memory/1180-136-0x0000000005A40000-0x0000000005A41000-memory.dmp
    Filesize

    4KB

  • memory/1180-137-0x00000000060F0000-0x00000000060F1000-memory.dmp
    Filesize

    4KB

  • memory/1180-138-0x00000000061A0000-0x00000000061A1000-memory.dmp
    Filesize

    4KB

  • memory/2896-117-0x0000000000400000-0x00000000004D5000-memory.dmp
    Filesize

    852KB

  • memory/2896-116-0x00000000022F0000-0x00000000023BF000-memory.dmp
    Filesize

    828KB

  • memory/2896-115-0x0000000002220000-0x000000000228C000-memory.dmp
    Filesize

    432KB