Analysis

  • max time kernel
    29s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-06-2021 09:17

General

  • Target

    5d8c7ad6aa8144b4bc06f646f6f2ba94.exe

  • Size

    725KB

  • MD5

    5d8c7ad6aa8144b4bc06f646f6f2ba94

  • SHA1

    641522fe7dd02343a8d99d8e161321ceb2725bbc

  • SHA256

    c1eec495b627d628e570d949dcc165a3457ad38ad17965075ddd228c5955a21b

  • SHA512

    5fe837d68cdcf23faf2b1812bb0237fc81fdf48804c01491f44edfdda9fe675a4210e1ab2b10bb7717c2c7f4a746125fe771c6c903554b74e3e2ef019761b45c

Malware Config

Extracted

Family

redline

Botnet

MIX 11.06

C2

185.215.113.17:18597

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
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d8c7ad6aa8144b4bc06f646f6f2ba94.exe
    "C:\Users\Admin\AppData\Local\Temp\5d8c7ad6aa8144b4bc06f646f6f2ba94.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
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\nailedp\edspolishpp.exe
    MD5

    0cd3b4678051fcdc2a4bd53d86af827b

    SHA1

    e5b7f2fc3b7ffdca417c8306bbb8c05fa70f9c1b

    SHA256

    1d6c10f22e3d97bf8205ab45dbb864a696d07a1c95336043ce6a1cf42b618b8f

    SHA512

    129b59fa4bbd0a69839d196babecf7373456bb04aab737933333cf6b1c632818621cbc6d49c6e1ad4cb5eb3e3b47edcbb4954c5095e31bf0500219202ad0c5b3

  • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
    MD5

    0cd3b4678051fcdc2a4bd53d86af827b

    SHA1

    e5b7f2fc3b7ffdca417c8306bbb8c05fa70f9c1b

    SHA256

    1d6c10f22e3d97bf8205ab45dbb864a696d07a1c95336043ce6a1cf42b618b8f

    SHA512

    129b59fa4bbd0a69839d196babecf7373456bb04aab737933333cf6b1c632818621cbc6d49c6e1ad4cb5eb3e3b47edcbb4954c5095e31bf0500219202ad0c5b3

  • memory/2340-124-0x0000000004CA2000-0x0000000004CA3000-memory.dmp
    Filesize

    4KB

  • memory/2340-127-0x00000000051B0000-0x00000000051B1000-memory.dmp
    Filesize

    4KB

  • memory/2340-136-0x0000000007240000-0x0000000007241000-memory.dmp
    Filesize

    4KB

  • memory/2340-119-0x0000000002320000-0x000000000233A000-memory.dmp
    Filesize

    104KB

  • memory/2340-120-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/2340-122-0x0000000000400000-0x000000000046E000-memory.dmp
    Filesize

    440KB

  • memory/2340-121-0x0000000000580000-0x00000000005AF000-memory.dmp
    Filesize

    188KB

  • memory/2340-123-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/2340-135-0x0000000006DB0000-0x0000000006DB1000-memory.dmp
    Filesize

    4KB

  • memory/2340-125-0x0000000004CA3000-0x0000000004CA4000-memory.dmp
    Filesize

    4KB

  • memory/2340-126-0x0000000004AF0000-0x0000000004B09000-memory.dmp
    Filesize

    100KB

  • memory/2340-116-0x0000000000000000-mapping.dmp
  • memory/2340-128-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
    Filesize

    4KB

  • memory/2340-129-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
    Filesize

    4KB

  • memory/2340-130-0x0000000004C20000-0x0000000004C21000-memory.dmp
    Filesize

    4KB

  • memory/2340-131-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

  • memory/2340-132-0x0000000004CA4000-0x0000000004CA6000-memory.dmp
    Filesize

    8KB

  • memory/2340-133-0x00000000065B0000-0x00000000065B1000-memory.dmp
    Filesize

    4KB

  • memory/2340-134-0x0000000006780000-0x0000000006781000-memory.dmp
    Filesize

    4KB

  • memory/3744-114-0x00000000021A0000-0x000000000226E000-memory.dmp
    Filesize

    824KB

  • memory/3744-115-0x0000000000400000-0x00000000004D5000-memory.dmp
    Filesize

    852KB