General

  • Target

    7f49ebcbc2596d68dbd648d68ea3542ae8cc8a5a.exe

  • Size

    8KB

  • Sample

    210514-2yfvx77ssx

  • MD5

    6881df5b966214f07d34b2da249a2a37

  • SHA1

    7f49ebcbc2596d68dbd648d68ea3542ae8cc8a5a

  • SHA256

    5397b6d592556e4d65cd442190cfbcba5b3d253b0fbfcc0a16f1c6f2b48a58c4

  • SHA512

    831810ad9ee4df58cc0735f371578f1f12245903bea9230e9767fe3cc667913dbb9534b6f341e777063cc4163efa8c69a1b9efdb238c213862ce67d6c3c9cf6c

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Extracted

Family

gozi_ifsb

Botnet

5151

C2

ieonline.microsoft.com

config.edge.skype.com

nav.smartscreen.microsoft.com

pumolenory.xyz

rumolenory.xyz

Attributes
  • build

    250196

  • dga_season

    10

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.base64
serpent.plain

Targets

    • Target

      7f49ebcbc2596d68dbd648d68ea3542ae8cc8a5a.exe

    • Size

      8KB

    • MD5

      6881df5b966214f07d34b2da249a2a37

    • SHA1

      7f49ebcbc2596d68dbd648d68ea3542ae8cc8a5a

    • SHA256

      5397b6d592556e4d65cd442190cfbcba5b3d253b0fbfcc0a16f1c6f2b48a58c4

    • SHA512

      831810ad9ee4df58cc0735f371578f1f12245903bea9230e9767fe3cc667913dbb9534b6f341e777063cc4163efa8c69a1b9efdb238c213862ce67d6c3c9cf6c

    • Gozi, Gozi IFSB

      Gozi ISFB is a well-known and widely distributed banking trojan.

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • xmrig

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

    • XMRig Miner Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

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

    • 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

    • 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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks