Overview

overview

10

Static

static

10

URA/Engine.js

windows7_x64

1

URA/Engine.js

windows10_x64

1

URA/Installer.exe

windows7_x64

9

URA/Installer.exe

windows10_x64

10

URA/xNet.dll

windows7_x64

1

URA/xNet.dll

windows10_x64

1

Sharing

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General

  • Target

    URA.rar

  • Size

    1.4MB

  • Sample

    210731-b91azeytqs

  • MD5

    faf8931504a146a6a486d9ac8b81ebb3

  • SHA1

    d21b73213078d64e0858ad4dabdfdf5da9c5f672

  • SHA256

    7bf35cd2cf457599cc3c668104837de3176d720abf58ed22f35e6777758aa926

  • SHA512

    15d11354af31a26d115a6752b8a295225ca3d09b2c2f877e83d1ed93ab3507a4c75267c078e8738268a5f11c4876cdc1e685440afab0d11e68c914a7e264819d

Score
10/10
redlinemastifdiscoveryinfostealerspywarestealertesttrojan

Malware Config

Extracted

Family

redline

Botnet

mastif

C2

91.121.146.23:9519

Targets

    • Target

      URA/Engine.js

    • Size

      870KB

    • MD5

      62ef5e3b94fef67f046b99b587fe013e

    • SHA1

      5f36e3fb609a35f405ade92982b7205111dabc63

    • SHA256

      125949ad84b6dff236614a3ef542f2a814b1024385fa9f9d64eb2403fd4b26fc

    • SHA512

      06654013becdf9e20479bf3140bc57b1dce5ef5d1512749b61539318be00fc384cbb80f0aa3e69b8d9f3fe4cc0e4c08f7504fde6d654b0bc0c2086349cf934fb

    Score
    1/10
    behavioral1behavioral2

    • Target

      URA/Installer.exe

    • Size

      1.6MB

    • MD5

      8a1995805ad65999ec546a1074ac9887

    • SHA1

      11d5589ca5ebb127ea57b89ee5da89e0b64fa4c6

    • SHA256

      2040517dac0b553d4a589bb8c14ca4329022e0ce5e5d0ef0f2c08a2deb10fb5b

    • SHA512

      cad4e187956e4db24d291ea725caf89439440eb97ebe9fa76438b76ada66ecc01a4143bf688c6506ec5148c79338e7f581305d2cb8ad17552c558c62706ae777

    Score
    10/10
    redlinemastifdiscoveryinfostealerspywarestealer

    • RedLine

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

      infostealerredline

    • RedLine Payload

    • CustAttr .NET packer

      Detects CustAttr .NET packer in memory.

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral3behavioral4

    • Target

      URA/xNet.dll

    • Size

      2.9MB

    • MD5

      0a56659cff9731c30ce87968cac0ef23

    • SHA1

      4fdef03ec3da0a74ec89e369df486035a4995c6d

    • SHA256

      ac5f7131a15c02620676ff6dc89ba6485bbe88aadd244d297586b438ce13c811

    • SHA512

      6653a3b51518ec0c611ca8fa639d49747dd8cd03622358f10f48c82b41b6dad840047ed72a09a74ecf94e2ddd5e813bbe76cbdc916d3e5a65d63f816e00f3039

    Score
    1/10
    behavioral5behavioral6

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks