Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2023 01:56

General

  • Target

    4a5e4b6764dc780fd11055c6324a0875.exe

  • Size

    136KB

  • MD5

    4a5e4b6764dc780fd11055c6324a0875

  • SHA1

    ac711ae5b692c63ade36482e5532db153f208abd

  • SHA256

    b66dd893c2dc2c5e7f23595a9cda5b65d70adb2df285c17b03ed0eaacffcf1b8

  • SHA512

    5ecd8f23324255882e77cd1b87775a528e38af1a266e6dcf4888050eebae4ae827d1b17f4b74706a2099385d261b492ce39ba6bcc4872baf36b4d940d4db9e46

  • SSDEEP

    1536:JxqjQ+P04wsmJCmzi0Zb78ivombfexv0ujXyyed2k3tmulgS6p8li1qqsCbqDylI:sr85Cmzi0ZbYe1g0ujyzdO8iYEwiYjV

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

8.tcp.ngrok.io:10052

Signatures

  • Detect Neshta payload 9 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • RedLine

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

  • RedLine payload 4 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a5e4b6764dc780fd11055c6324a0875.exe
    "C:\Users\Admin\AppData\Local\Temp\4a5e4b6764dc780fd11055c6324a0875.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4a5e4b6764dc780fd11055c6324a0875.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4a5e4b6764dc780fd11055c6324a0875.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3692

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
    Filesize

    2.4MB

    MD5

    8ffc3bdf4a1903d9e28b99d1643fc9c7

    SHA1

    919ba8594db0ae245a8abd80f9f3698826fc6fe5

    SHA256

    8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6

    SHA512

    0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4a5e4b6764dc780fd11055c6324a0875.exe
    Filesize

    95KB

    MD5

    9d604bdf9ea3347df26f2bccec702f94

    SHA1

    878e270f325b9aae39db453b159945736275bd6a

    SHA256

    fd937611635adf2dbaa4a302e4a716352aa141294f2db61ca3bb47860f04a5be

    SHA512

    4bffbc21fa516c7a1f2c5e0a3894bb00f7d8abdf24f55b0fbc29ec48724393dd51e0e26926fdd1e49c5e03c061442b231b663e9683fbe6f6613cf69662011401

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4a5e4b6764dc780fd11055c6324a0875.exe
    Filesize

    95KB

    MD5

    9d604bdf9ea3347df26f2bccec702f94

    SHA1

    878e270f325b9aae39db453b159945736275bd6a

    SHA256

    fd937611635adf2dbaa4a302e4a716352aa141294f2db61ca3bb47860f04a5be

    SHA512

    4bffbc21fa516c7a1f2c5e0a3894bb00f7d8abdf24f55b0fbc29ec48724393dd51e0e26926fdd1e49c5e03c061442b231b663e9683fbe6f6613cf69662011401

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4a5e4b6764dc780fd11055c6324a0875.exe
    Filesize

    95KB

    MD5

    9d604bdf9ea3347df26f2bccec702f94

    SHA1

    878e270f325b9aae39db453b159945736275bd6a

    SHA256

    fd937611635adf2dbaa4a302e4a716352aa141294f2db61ca3bb47860f04a5be

    SHA512

    4bffbc21fa516c7a1f2c5e0a3894bb00f7d8abdf24f55b0fbc29ec48724393dd51e0e26926fdd1e49c5e03c061442b231b663e9683fbe6f6613cf69662011401

  • memory/3692-151-0x00000000055A0000-0x00000000056AA000-memory.dmp
    Filesize

    1.0MB

  • memory/3692-228-0x00000000051F0000-0x0000000005200000-memory.dmp
    Filesize

    64KB

  • memory/3692-149-0x0000000005300000-0x000000000533C000-memory.dmp
    Filesize

    240KB

  • memory/3692-150-0x00000000051F0000-0x0000000005200000-memory.dmp
    Filesize

    64KB

  • memory/3692-147-0x0000000005820000-0x0000000005E38000-memory.dmp
    Filesize

    6.1MB

  • memory/3692-146-0x0000000000900000-0x000000000091E000-memory.dmp
    Filesize

    120KB

  • memory/3692-148-0x00000000052A0000-0x00000000052B2000-memory.dmp
    Filesize

    72KB

  • memory/4984-227-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-229-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-230-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-231-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-232-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-233-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-234-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4984-236-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB