Resubmissions

23-02-2023 13:49

230223-q4zd9sga47 10

01-02-2023 03:49

230201-edgwrabg38 10

11-01-2023 14:44

230111-r37jxsdc66 10

General

  • Target

    Game_v1.zip

  • Size

    33.3MB

  • Sample

    230223-q4zd9sga47

  • MD5

    0a1e3afb1d0ce361d94ce8f7171ad2ec

  • SHA1

    4a79902a65c3176b119ce4d8eca604cb6d215598

  • SHA256

    903695cd1159287e54051d2d8666618c5c7fa366e386e4d0896ff142a985d826

  • SHA512

    633f499ffdbed59d3814d54eaf2f0de21a0e7f97d2844508aea2f62a26e5652760abfe2cea13d6d864e1b3ea6737892bc735177215b771b0413490966a51cec3

  • SSDEEP

    786432:4G0h/kn5dsemO6UdomOc7QigzpcL//nSi37x2Qdqd:4GK/k5dsemOTQpcL//nX37O

Malware Config

Targets

    • Target

      Game.exe

    • Size

      5.4MB

    • MD5

      2694829cbbbbae11c9739c44487fd7ad

    • SHA1

      2af3e59940159d5bc37e75cb4060d677f3900799

    • SHA256

      7c8394def968d283d507cbd4f23ca5d2cf348ffcbf5f72fa8262bca22852e104

    • SHA512

      06102826af24db8556a0133a66da40da7853457413e334bc01fcd480413a96d3ca0d8273d766829b43c28dc380b3d53ff0528065402b077328736ec48d7067a0

    • SSDEEP

      98304:NgggDCyOjwQrI5IaofNLCI4cMCU+lVIbNejBQWTW0efUVROTu9A2ez212d:elOyWNU9IUCZXqcuWTcfUV4a9leCi

    • Detect Fabookie payload

    • Detects PseudoManuscrypt payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • Modifies security service

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • PseudoManuscrypt

      PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

    • XMRig Miner payload

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Impair Defenses

1
T1562

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Service Stop

1
T1489

Tasks