General

  • Target

    d7e055feae0f43ff14859faafa33113ceba3977171497635576fd74608a64a7f

  • Size

    373KB

  • Sample

    211219-gnkrhaggfr

  • MD5

    5b5540baed04e453ae72ca2fc74b2a6b

  • SHA1

    d93e8a383780308c73ebb639024b2029f64d72a1

  • SHA256

    d7e055feae0f43ff14859faafa33113ceba3977171497635576fd74608a64a7f

  • SHA512

    bafcc00a56e69d1c81d966c0ea0d276ae0a63bcd8b06584c5eee5caf3d4321a0926b1cb2e593b47ef2d55e6728ecf3377fb37cc2130cdd1b182d709e08ec67f1

Malware Config

Extracted

Family

cryptbot

C2

sezfva72.top

morbaf07.top

Attributes
  • payload_url

    http://ekuniv18.top/download.php?file=impish.exe

Extracted

Family

danabot

Botnet

4

C2

142.11.244.223:443

23.106.122.139:443

Attributes
  • embedded_hash

    0FA95F120D6EB149A5D48E36BC76879D

  • type

    loader

rsa_pubkey.plain
rsa_privkey.plain

Targets

    • Target

      d7e055feae0f43ff14859faafa33113ceba3977171497635576fd74608a64a7f

    • Size

      373KB

    • MD5

      5b5540baed04e453ae72ca2fc74b2a6b

    • SHA1

      d93e8a383780308c73ebb639024b2029f64d72a1

    • SHA256

      d7e055feae0f43ff14859faafa33113ceba3977171497635576fd74608a64a7f

    • SHA512

      bafcc00a56e69d1c81d966c0ea0d276ae0a63bcd8b06584c5eee5caf3d4321a0926b1cb2e593b47ef2d55e6728ecf3377fb37cc2130cdd1b182d709e08ec67f1

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks