Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2022 09:41

General

  • Target

    2d57a1af420a6840d8361b9cd76be267.exe

  • Size

    136KB

  • MD5

    2d57a1af420a6840d8361b9cd76be267

  • SHA1

    5282d8171a4f994ae56f291bc51462a9a2bb5daa

  • SHA256

    fe7c7abae0e36d9582e6189d6405a221924a3006805c5768f9244cf56fe20e53

  • SHA512

    6bc2ccf373779937486a7c66a6d51e67043f9defa8ef28cfb8e8271a105c6a0b40478bc68d13f19e8a19b8c9234954e7bbe93e1f63a0e93fb488f64c7add060d

  • SSDEEP

    1536:9xqjQ+P04wsmJCmzi0Zb78ivombfexv0ujXyyed2n3tmulgS6p8li1qqsCbqDylI:wr85Cmzi0ZbYe1g0ujyzdX8iYEwiYjV

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

51.120.250.153:62563

Signatures

  • Detect Neshta payload 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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.

  • 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d57a1af420a6840d8361b9cd76be267.exe
    "C:\Users\Admin\AppData\Local\Temp\2d57a1af420a6840d8361b9cd76be267.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2d57a1af420a6840d8361b9cd76be267.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2d57a1af420a6840d8361b9cd76be267.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2d57a1af420a6840d8361b9cd76be267.exe

    Filesize

    95KB

    MD5

    228d532a3184e5cdd4f6691d0b4b7d54

    SHA1

    fe5873bb99e05f3f3d335611fd008e230110b5dc

    SHA256

    38ceabb776214507969c4381db87f69dee76c0dc457ab4550ca739fd5649415f

    SHA512

    b56b80f5865a0e716350acee5da3cfae6d368f83d0c2221df0807c70c19b346280723295e1db55f0253d109a5205241a0a0788cdd631d6a0190b5b97b31c3ca9

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2d57a1af420a6840d8361b9cd76be267.exe

    Filesize

    95KB

    MD5

    228d532a3184e5cdd4f6691d0b4b7d54

    SHA1

    fe5873bb99e05f3f3d335611fd008e230110b5dc

    SHA256

    38ceabb776214507969c4381db87f69dee76c0dc457ab4550ca739fd5649415f

    SHA512

    b56b80f5865a0e716350acee5da3cfae6d368f83d0c2221df0807c70c19b346280723295e1db55f0253d109a5205241a0a0788cdd631d6a0190b5b97b31c3ca9

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\2d57a1af420a6840d8361b9cd76be267.exe

    Filesize

    95KB

    MD5

    228d532a3184e5cdd4f6691d0b4b7d54

    SHA1

    fe5873bb99e05f3f3d335611fd008e230110b5dc

    SHA256

    38ceabb776214507969c4381db87f69dee76c0dc457ab4550ca739fd5649415f

    SHA512

    b56b80f5865a0e716350acee5da3cfae6d368f83d0c2221df0807c70c19b346280723295e1db55f0253d109a5205241a0a0788cdd631d6a0190b5b97b31c3ca9

  • memory/1144-56-0x0000000000000000-mapping.dmp

  • memory/1144-59-0x0000000000310000-0x000000000032E000-memory.dmp

    Filesize

    120KB

  • memory/1912-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB

  • memory/1912-61-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1912-62-0x0000000002090000-0x00000000020A0000-memory.dmp

    Filesize

    64KB

  • memory/1912-64-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1912-65-0x0000000002090000-0x00000000020A0000-memory.dmp

    Filesize

    64KB

  • memory/1912-66-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB