Analysis

  • max time kernel
    35s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    31-08-2021 10:00

General

  • Target

    1e863372d23349caed8d6b1c7a4930c785a761b19bd965504cf330c018140835.exe

  • Size

    669KB

  • MD5

    05ed63df3b41b74852b191998d06892a

  • SHA1

    9ce8a01e8e7e2e314acb3e85414aafcb95cf0066

  • SHA256

    1e863372d23349caed8d6b1c7a4930c785a761b19bd965504cf330c018140835

  • SHA512

    e28802e4fdf803d9e4ff4d8f5696a0582d96cfe107b7198288e2fd6bd828a77e0fa42df6f3a24688c1b92c119bbd80f828458dd6a705ad3eeb613013efe269b7

Malware Config

Extracted

Family

redline

Botnet

mix31.08

C2

185.215.113.15:6043

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

    suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e863372d23349caed8d6b1c7a4930c785a761b19bd965504cf330c018140835.exe
    "C:\Users\Admin\AppData\Local\Temp\1e863372d23349caed8d6b1c7a4930c785a761b19bd965504cf330c018140835.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Roaming\hyperc\apinesp.exe
      apinesp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1248

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\hyperc\apinesp.exe
    MD5

    80be2cb2a90aa45b243abf22a04985bd

    SHA1

    286c7746f725429bfff7994aa79046a114edfce3

    SHA256

    4da095e0a59cecad3fbfc6fa4f33c00e71edc9fffae041a521552390825732f7

    SHA512

    112b8c0505a91aeab9d99f74e2d4f73fa4fb939e7f209fe7ba0119f08b8fa6c9792e8f1e3467a0e5694b0c692b8dcff8ae800cab7312ce4fbd7dc60d47fa27c3

  • C:\Users\Admin\AppData\Roaming\hyperc\apinesp.exe
    MD5

    80be2cb2a90aa45b243abf22a04985bd

    SHA1

    286c7746f725429bfff7994aa79046a114edfce3

    SHA256

    4da095e0a59cecad3fbfc6fa4f33c00e71edc9fffae041a521552390825732f7

    SHA512

    112b8c0505a91aeab9d99f74e2d4f73fa4fb939e7f209fe7ba0119f08b8fa6c9792e8f1e3467a0e5694b0c692b8dcff8ae800cab7312ce4fbd7dc60d47fa27c3

  • memory/804-115-0x0000000000400000-0x000000000058E000-memory.dmp
    Filesize

    1.6MB

  • memory/804-114-0x00000000008E0000-0x00000000009AE000-memory.dmp
    Filesize

    824KB

  • memory/1248-125-0x0000000006560000-0x0000000006561000-memory.dmp
    Filesize

    4KB

  • memory/1248-129-0x0000000006410000-0x0000000006411000-memory.dmp
    Filesize

    4KB

  • memory/1248-119-0x0000000001E00000-0x0000000001F4A000-memory.dmp
    Filesize

    1.3MB

  • memory/1248-121-0x0000000003960000-0x000000000397F000-memory.dmp
    Filesize

    124KB

  • memory/1248-122-0x0000000006570000-0x0000000006571000-memory.dmp
    Filesize

    4KB

  • memory/1248-123-0x0000000003D60000-0x0000000003D7E000-memory.dmp
    Filesize

    120KB

  • memory/1248-124-0x0000000006A70000-0x0000000006A71000-memory.dmp
    Filesize

    4KB

  • memory/1248-126-0x0000000006562000-0x0000000006563000-memory.dmp
    Filesize

    4KB

  • memory/1248-116-0x0000000000000000-mapping.dmp
  • memory/1248-127-0x0000000006563000-0x0000000006564000-memory.dmp
    Filesize

    4KB

  • memory/1248-128-0x0000000003E20000-0x0000000003E21000-memory.dmp
    Filesize

    4KB

  • memory/1248-120-0x0000000000400000-0x0000000001D9A000-memory.dmp
    Filesize

    25.6MB

  • memory/1248-130-0x0000000006564000-0x0000000006566000-memory.dmp
    Filesize

    8KB

  • memory/1248-131-0x0000000003E50000-0x0000000003E51000-memory.dmp
    Filesize

    4KB

  • memory/1248-132-0x0000000007080000-0x0000000007081000-memory.dmp
    Filesize

    4KB

  • memory/1248-133-0x0000000008270000-0x0000000008271000-memory.dmp
    Filesize

    4KB

  • memory/1248-134-0x0000000008440000-0x0000000008441000-memory.dmp
    Filesize

    4KB

  • memory/1248-135-0x0000000008A60000-0x0000000008A61000-memory.dmp
    Filesize

    4KB

  • memory/1248-136-0x00000000076C0000-0x00000000076C1000-memory.dmp
    Filesize

    4KB

  • memory/1248-137-0x0000000008E60000-0x0000000008E61000-memory.dmp
    Filesize

    4KB

  • memory/1248-138-0x0000000008E20000-0x0000000008E21000-memory.dmp
    Filesize

    4KB