Resubmissions

30-07-2023 09:27

230730-les4qsgg49 10

29-07-2023 12:31

230729-pp9q1scg28 10

General

  • Target

    Setup_Installer_Use_224466_As_PassWord.rar

  • Size

    23.3MB

  • Sample

    230730-les4qsgg49

  • MD5

    62a684e8fcaf42e9cc880b58a9c87372

  • SHA1

    cce3635dee512efd2fa83a1d08be7ba51d4dce93

  • SHA256

    83f6d9721abac7afdb48fad8a0430fcbb6cb4c1de28e37a0768d92cf8e7c8cda

  • SHA512

    effbc9501bea501361b31af5157095099b27d350a51ae302321c1989b504cab7eddd2e8787778b682de7592c607265298c3e17751fb01986f9576a8c7679f8e2

  • SSDEEP

    393216:yfA3DExfPHwy1lBBwxOEtR21PV3sV09GRI+iKTdZ4ZpuWDP4RvmlB87V:yf3RPp7IxOEtR28ViG+TKBZ47tP4U7IV

Malware Config

Extracted

Family

amadey

Version

3.85

C2

45.9.74.166/b7djSDcPcZ/index.php

45.9.74.141/b7djSDcPcZ/index.php

Extracted

Family

systembc

C2

5.42.65.67:4298

localhost.exchange:4298

Targets

    • Target

      Setup-File.exe

    • Size

      28.1MB

    • MD5

      9ddc92ae27b3c01abcc9361f5f10dbeb

    • SHA1

      4ae7273d55275c53ebd66fd8d55d54d5257ad21d

    • SHA256

      48987d9c89542a8cb4f8d34eb34902a4762cc8643c0e491deb6115907db4887b

    • SHA512

      20f81c7cf228b92ef488fc24d1a3ed288f77036903bfcb1a650a7505a9f618c2fafa09e4b7c5e539a5627d6436f7011f1ed0ecf027609524006c07716447e68b

    • SSDEEP

      786432:z6FQ28LUo3oaouyd+sP6qSwbJ+IViZRR/5PwUA1:zAQPLUcoMA+sP6q3pV255rI

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks