Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-02-2021 07:16

General

  • Target

    be1af4ebc3fa60141274956ad3593f65.exe

  • Size

    530KB

  • MD5

    be1af4ebc3fa60141274956ad3593f65

  • SHA1

    1305d884c0b647efb21ea6eaf87158efe8bb958f

  • SHA256

    e07e702d1247fd8b230d21bba94b581f65f27e811c59a28896fcea29ddb3d2de

  • SHA512

    796a9618260ddfc6a82c2a86f954e7eb01d4eb86d98f59a9ea0d3b2eabed67d5ca51f9aa755ed50647ad2ba6d2e1f2d62d9688a44998be9d2e27d34b3e392396

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\be1af4ebc3fa60141274956ad3593f65.exe
    "C:\Users\Admin\AppData\Local\Temp\be1af4ebc3fa60141274956ad3593f65.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe
      noabu.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2792

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe
    MD5

    41ccae281672141f14028e730c70b618

    SHA1

    02de56652fa90ab1304c4b22f394ba9d5e132dfd

    SHA256

    0e09d3298aae4a2a440ae32321a8f6db607e9cb072156b17eb8fb12b212c1cf6

    SHA512

    e59a4a14c27365fad90b08feaca57c825f4c6c74b0f551ab0fc652b366d78a26672f85ef37f25249c8d92fe4163773a19eb494ca27cf54fc2d0c704dcfdc95c4

  • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe
    MD5

    41ccae281672141f14028e730c70b618

    SHA1

    02de56652fa90ab1304c4b22f394ba9d5e132dfd

    SHA256

    0e09d3298aae4a2a440ae32321a8f6db607e9cb072156b17eb8fb12b212c1cf6

    SHA512

    e59a4a14c27365fad90b08feaca57c825f4c6c74b0f551ab0fc652b366d78a26672f85ef37f25249c8d92fe4163773a19eb494ca27cf54fc2d0c704dcfdc95c4

  • memory/1032-3-0x0000000000DE0000-0x0000000000EAF000-memory.dmp
    Filesize

    828KB

  • memory/1032-4-0x0000000000400000-0x00000000004D5000-memory.dmp
    Filesize

    852KB

  • memory/1032-2-0x0000000000DE0000-0x0000000000DE1000-memory.dmp
    Filesize

    4KB

  • memory/2792-14-0x0000000004F50000-0x0000000004F51000-memory.dmp
    Filesize

    4KB

  • memory/2792-16-0x0000000004E50000-0x0000000004E51000-memory.dmp
    Filesize

    4KB

  • memory/2792-9-0x0000000002770000-0x0000000002771000-memory.dmp
    Filesize

    4KB

  • memory/2792-10-0x0000000073000000-0x00000000736EE000-memory.dmp
    Filesize

    6.9MB

  • memory/2792-11-0x00000000008B0000-0x00000000008E5000-memory.dmp
    Filesize

    212KB

  • memory/2792-12-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/2792-13-0x00000000028C0000-0x00000000028E9000-memory.dmp
    Filesize

    164KB

  • memory/2792-5-0x0000000000000000-mapping.dmp
  • memory/2792-15-0x0000000004E20000-0x0000000004E47000-memory.dmp
    Filesize

    156KB

  • memory/2792-8-0x0000000000C60000-0x0000000000C61000-memory.dmp
    Filesize

    4KB

  • memory/2792-17-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
    Filesize

    4KB

  • memory/2792-18-0x0000000004F40000-0x0000000004F41000-memory.dmp
    Filesize

    4KB

  • memory/2792-19-0x0000000005480000-0x0000000005481000-memory.dmp
    Filesize

    4KB

  • memory/2792-20-0x0000000004F42000-0x0000000004F43000-memory.dmp
    Filesize

    4KB

  • memory/2792-22-0x0000000004F43000-0x0000000004F44000-memory.dmp
    Filesize

    4KB

  • memory/2792-21-0x0000000005B20000-0x0000000005B21000-memory.dmp
    Filesize

    4KB

  • memory/2792-23-0x0000000004F44000-0x0000000004F46000-memory.dmp
    Filesize

    8KB

  • memory/2792-24-0x0000000005B40000-0x0000000005B41000-memory.dmp
    Filesize

    4KB

  • memory/2792-25-0x0000000005CB0000-0x0000000005CB1000-memory.dmp
    Filesize

    4KB

  • memory/2792-26-0x0000000005E30000-0x0000000005E31000-memory.dmp
    Filesize

    4KB