General

  • Target

    da503ddb68a25aa665e0e15855ef4012.bin

  • Size

    6.4MB

  • Sample

    230323-b9f3jscg85

  • MD5

    f551d1d725f5a4b5c2cc752fa41318e7

  • SHA1

    db291b3ba4374c3c8817723bdb336d4ee58b6417

  • SHA256

    a697fb12870addba985b652b76b1f03ad8ed026a3401e78e6054912c198a2b07

  • SHA512

    012789b50f13c55d02658cd03726db41f0c7cad4e173a349a4866685386a279da31fec39b6d70dd9b33ff3c6560a9670d06829b1f5585cab26616c4978c3c195

  • SSDEEP

    98304:NuTalw+T8xWBeyJ86Re3sVZBByUsri3moyOGIZhaZbCej6aSR4dJR1BZS2pW80:NF186R6sVTUNi/ykY8ejARg7QV

Malware Config

Targets

    • Target

      7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe

    • Size

      6.7MB

    • MD5

      da503ddb68a25aa665e0e15855ef4012

    • SHA1

      0c016eb8eb016a1d0d36e1dc338e2766d40c7464

    • SHA256

      7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b

    • SHA512

      eff07f20f8d9ba9b337220a4143d61eeabee58a3788f796563581e7ad5dcd6a297124987ebab8675752fd3f0a3cb14fbd29d7dc9ae568aa866ce3be8734fbc47

    • SSDEEP

      98304:fPTCG6TDhi5vXL1tnX5Iz3OIyN5RRZc2B9iv/BE645Z5rhnqrKUIqf5pQNVPoPY:f7CG6TQZLzkeIcRZvBQvq6erFQKqLQ3

    • 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