General

  • Target

    786215476472e75e6ee2be84c1d2e989.bin

  • Size

    6.4MB

  • Sample

    230327-b7cbksba97

  • MD5

    de7d3398fba3fc9a96fbdf5be35a3bf0

  • SHA1

    f75d7ed8f535ca1e40eb4dfd23683545bc203254

  • SHA256

    c47966bfc7c6128b305486635208635e3b32651137ca91b967dc4b75b5c9244c

  • SHA512

    015d88aa0bb281599f4e7e158b783d8073be01c89bd525336e1843f9aed8ca460ee81ea9af2feb839680f45dcd5269da9491b0e208c68a879de03bb9e289dacd

  • SSDEEP

    196608:3yFCjrARSmTbWlhcWA24rZ35OiIawGHAqQ:32GARSmTa7cWwtwYs

Malware Config

Targets

    • Target

      b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

    • Size

      6.8MB

    • MD5

      786215476472e75e6ee2be84c1d2e989

    • SHA1

      19e7ea1e6cd82a302b68c0642898786bdd2bc489

    • SHA256

      b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57

    • SHA512

      42c917ed56eeaa58d391314869d8f099dcf9baff7ab23a39518e171e445d838002a69b04ab941af8b58ce7b7e2d198b3aa9dd8ec929525faa9a02d04d749c7c1

    • SSDEEP

      196608:LzJ3OmjEn9v0J+Mq6Br++jcf/27E6AeUStw6qadZm:vJ3OmjE9v0Jhq6ncHQby0qadZm

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

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • 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

    • Maps connected drives based on registry

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

    • 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

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks