Overview

overview

10

Static

static

3

fd2f11c311...18.exe

windows7-x64

10

fd2f11c311...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fd2f11c31192e8efe0eb4b37d1a5e1b6_JaffaCakes118

  • Size

    9.5MB

  • Sample

    240420-vaycbsch78

  • MD5

    fd2f11c31192e8efe0eb4b37d1a5e1b6

  • SHA1

    48b2610a347ae04cd61cd33100715ca5476e1951

  • SHA256

    a15c3b6773fa9d8db715f8c557c76c95e8f84db0fa5046ed7a01589bfdc778b5

  • SHA512

    39a5e38dfb04b462e167462e78fe9cf018215cd8e9fcc7e1cf67e6ea93f99176af49995ed9c987899f140fe32faeda6757a2e814944b899454e771f183b04afa

  • SSDEEP

    196608:0FSJAB+ZcpS+S6SrGTsD2dmmhGlkrwPgZS7rjsn6P44Nm:0FS+Bkc0+Fe6dmracMR7

Score
10/10
44caliberxmrigdiscoveryevasionminerspywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/868513655556292688/7ViWQKXofSCTi8VWoHEcGeQK61RUEBYfnsE72cu6TJnpHYwlgzbrVI5gQn_jpfUMFoS5

Targets

    • Target

      fd2f11c31192e8efe0eb4b37d1a5e1b6_JaffaCakes118

    • Size

      9.5MB

    • MD5

      fd2f11c31192e8efe0eb4b37d1a5e1b6

    • SHA1

      48b2610a347ae04cd61cd33100715ca5476e1951

    • SHA256

      a15c3b6773fa9d8db715f8c557c76c95e8f84db0fa5046ed7a01589bfdc778b5

    • SHA512

      39a5e38dfb04b462e167462e78fe9cf018215cd8e9fcc7e1cf67e6ea93f99176af49995ed9c987899f140fe32faeda6757a2e814944b899454e771f183b04afa

    • SSDEEP

      196608:0FSJAB+ZcpS+S6SrGTsD2dmmhGlkrwPgZS7rjsn6P44Nm:0FS+Bkc0+Fe6dmracMR7

    Score
    10/10
    44caliberxmrigevasionminerspywarestealerdiscovery

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Stops running service(s)

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks