Overview

overview

10

Static

static

10

slinky/slinky.exe

windows7-x64

1

slinky/slinky.exe

windows10-2004-x64

10

slinky/sli...ry.dll

windows7-x64

1

slinky/sli...ry.dll

windows10-2004-x64

1

slinky/slinkyhook.dll

windows7-x64

1

slinky/slinkyhook.dll

windows10-2004-x64

1

Sharing

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General

  • Target

    slinky.rar

  • Size

    26.1MB

  • Sample

    240811-g9z4baydpp

  • MD5

    3b10fbaa700b588fbab51c2586d3ddc4

  • SHA1

    3f3b0672d4cdd4a5972b87ca876c3cf01f8b9161

  • SHA256

    c9ee3e9731b8643c2d797a90adcb848bdd2cb90e7ff06c7ec6589550107d7aae

  • SHA512

    94fda05c45d9a674a36b1cd469a544f4590ee2d4922c7ab30e6c592152b0ce408fbe580a1a67930e70db6b0a8aad3201f26e5438893fab253021705101388e31

  • SSDEEP

    786432:Mqrf+HdyB6/qrVjTFYL4nTFhy8MAurhrWfiVX:MqrfT6SrVjTA4TFhVgrhrWfiVX

Score
10/10
skuldcredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Extracted

Family

skuld

C2

https://ptb.discord.com/api/webhooks/1267444280629133384/93lgPC5prxwm7kfEOYzZT9pM4aGa5M70dJhLbOvmKWx-H6EKIXoR_k1Z9HoM8VPO8jTA

Targets

    • Target

      slinky/slinky.exe

    • Size

      14.2MB

    • MD5

      5b9609530e3cb2dd1b86c43ebf4f9b25

    • SHA1

      60a9327fcb847b169d099c5a289223c2a3043560

    • SHA256

      3dbe2990bff79285935c181637d693c07e058837840aafe0b8c4d8eaac854ed1

    • SHA512

      b2c3c0b9f9b7b1f5360c5c75258f5116b2e88642c884bb90f8d79c502cbb07ce0b58497fafcf3b972c52b19d97571a50777dd198fc5d377e2c373c72d23b0b50

    • SSDEEP

      196608:4WJafoL/tUoTX4Z5bh1Yf0k7Ma/rkFlgdTaUrPPbdfw:4Wsfm/Ybh1lkSFCdTauZo

    Score
    10/10
    skuldcredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

    • Skuld stealer

      An info stealer written in Go lang.

      stealerskuld

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Drops file in Drivers directory

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion
    behavioral1behavioral2

    • Target

      slinky/slinky_library.dll

    • Size

      11.7MB

    • MD5

      f4f7eacab208d7b50d50f196bd3facd2

    • SHA1

      82ca056ecb89d1612df069a42952e077f7e079e1

    • SHA256

      4f35cfe4d051d56cc22dc2743024ffa0f3b4ee906b34c4336c72d71bc55de708

    • SHA512

      9b61bd125e066df121186057bcb163bfb3d8fb9ff3447963df0e9b14ab57fdf6a8d1faf61a5e75dc3e53425f541bb624b9d8b787e322ea6b675489d532b8f001

    • SSDEEP

      3:WAYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYJYw:z

    Score
    1/10
    behavioral3behavioral4

    • Target

      slinky/slinkyhook.dll

    • Size

      228KB

    • MD5

      6d8c17c67970cb5841811eed8adffffc

    • SHA1

      c869ab32318a035e51aff8e5e11b4cd25fb52a4f

    • SHA256

      7c4234fac3b6b3e96dace1e71c7a952ec67e3839f90f7a88a9ea283bf88d25b8

    • SHA512

      7d2a0ffcd72c8bf4a96b2ed722d7119749ec14f5d7e6a601cb6ae4a5b1c4a652b694158f01da340e3ca4751cabd0a56c42bf739d8b421e36937f3691b3b80c72

    • SSDEEP

      3072:hXxN1I6PgabbAzVxPLI5oIa5amK/1o4ptgELHY1lNyc+m+e7P26g66OVuknsDe0u:hhN1GFZq/15tFc+m97ieuknsDu

    Score
    1/10
    behavioral5behavioral6

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Obfuscated Files or Information

1
T1027

Command Obfuscation

1
T1027.010

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

3
T1005

Command and Control

Exfiltration

Impact

Tasks