Resubmissions

09/09/2022, 23:42

220909-3p6agshce8 10

11/07/2022, 15:22

220711-ssea3acgb8 10

08/02/2022, 13:11

220208-qe7dksggc9 10

04/02/2022, 20:16

220204-y17v8sehg5 10

General

  • Target

    Setup_x32_x64.exe

  • Size

    2.5MB

  • Sample

    220208-qe7dksggc9

  • MD5

    5f7f42f26f25e4e7342c00e05c0176fa

  • SHA1

    582ea6aa20547c8b7f83ceccba5b3b4b1e7e4fb7

  • SHA256

    9e719c4dd5e1086d5197fded7b8cdb0d3d592c0636b0d469fcda22c9723e8e7c

  • SHA512

    887d80f3993cbd19114388aaa329ecfd7ff9eb7767b5fa1df88245155d9eca42d0756bd4297686666dcae49d9e9374dfc40d0cf86f71d444d572706ef036663c

Malware Config

Extracted

Family

socelars

C2

http://www.kvubgc.com/

Extracted

Family

redline

C2

91.243.59.167:44301

Extracted

Family

redline

Botnet

Update

C2

78.46.137.240:21314

Extracted

Family

redline

Botnet

pot

C2

jainestaynor.xyz:80

Extracted

Family

redline

Botnet

ruzki 10k

C2

94.23.1.92:12857

Targets

    • Target

      Setup_x32_x64.exe

    • Size

      2.5MB

    • MD5

      5f7f42f26f25e4e7342c00e05c0176fa

    • SHA1

      582ea6aa20547c8b7f83ceccba5b3b4b1e7e4fb7

    • SHA256

      9e719c4dd5e1086d5197fded7b8cdb0d3d592c0636b0d469fcda22c9723e8e7c

    • SHA512

      887d80f3993cbd19114388aaa329ecfd7ff9eb7767b5fa1df88245155d9eca42d0756bd4297686666dcae49d9e9374dfc40d0cf86f71d444d572706ef036663c

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • RedLine

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

    • RedLine Payload

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • xmrig

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks