Resubmissions

27-10-2022 20:13

221027-yzsd6adce8 8

27-10-2022 20:06

221027-yvdefadcc9 1

27-10-2022 19:29

221027-x7c4rsdcgk 10

General

  • Target

    https://cloudsslack.com/index.php?uid=9871d3a2c554b27151cacf1422eec048

  • Sample

    221027-x7c4rsdcgk

Malware Config

Extracted

Family

gozi

Botnet

40000

C2

trackingg-protectioon.cdn1.mozilla.net

siwdmfkshsgw.com

188.127.224.114

weiqeqwns.com

weiqeqwens.com

weiqewqwns.com

iujdhsndjfks.com

ijduwhsbvk.com

Attributes
  • base_path

    /uploaded/

  • build

    250246

  • exe_type

    loader

  • extension

    .pct

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family

gozi

Botnet

40000

C2

trackingg-protectioon.cdn1.mozilla.net

siwdmfkshsgw.com

188.127.224.114

weiqeqwns.com

weiqeqwens.com

weiqewqwns.com

iujdhsndjfks.com

ijduwhsbvk.com

Attributes
  • base_path

    /uploaded/

  • build

    250246

  • exe_type

    worker

  • extension

    .pct

  • server_id

    50

rsa_pubkey.plain
aes.plain

Targets

    • Target

      https://cloudsslack.com/index.php?uid=9871d3a2c554b27151cacf1422eec048

    • Gozi

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

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

    • UPX packed file

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

    • 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 2FA software files, possible credential harvesting

    • 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.

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

2
T1018

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks