Resubmissions

21-10-2021 09:41

211021-lntfvsahfn 10

14-11-2020 18:23

201114-kdmqjxwkme 10

General

  • Target

    80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764

  • Size

    273KB

  • Sample

    211021-lntfvsahfn

  • MD5

    54cd7479c93e54ce8c9784b8b1a0392b

  • SHA1

    c3e15e023c4ae835789b82befbe328ae137417ea

  • SHA256

    80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764

  • SHA512

    cea67d7c1094b107a83c607196d9d4d16e0d7d6b7e5cdaa81d83e52422a9194203680d65b44c106c46a8e47dc6251fe292930e9fcc8b757b7d5242383286afbb

Malware Config

Extracted

Family

gozi_ifsb

Botnet

10003

C2

127.0.0.1

Attributes
  • build

    214711

  • dga_base_url

    z1.zedo.com/robots.txt

  • dga_crc

    0xf24ca29e

  • exe_type

    worker

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Targets

    • Target

      80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764

    • Size

      273KB

    • MD5

      54cd7479c93e54ce8c9784b8b1a0392b

    • SHA1

      c3e15e023c4ae835789b82befbe328ae137417ea

    • SHA256

      80e3a54e37f5e83b8bdab98b2ca765baaecb72c303fe44bc85ab85e7ece76764

    • SHA512

      cea67d7c1094b107a83c607196d9d4d16e0d7d6b7e5cdaa81d83e52422a9194203680d65b44c106c46a8e47dc6251fe292930e9fcc8b757b7d5242383286afbb

    • Gozi, Gozi IFSB

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

    • Executes dropped EXE

    • UPX packed file

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

    • Deletes itself

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks