General

  • Target

    adcf4f2d9028c52a8b7b7b7880aa5d6b.bin

  • Size

    6.5MB

  • Sample

    230323-b2sflsef61

  • MD5

    1aba5a1d47d903a4b4cefea7f6f61ac9

  • SHA1

    49fa5690bd9c3a9ff85bcd8a35d5e3ed0318954a

  • SHA256

    3bd7b7a8c24b8c5cec7e95cfb907c95fd824a306c9ffc015fe9065cbe3c5e03d

  • SHA512

    dc42cd7ffa3034d6e68774826d43ac82d257b475868182f7fa4e6e441da39d637a13f9115355f8b0a4ba3af4977f5b9c2ceec978c27d458aefccebc5a19df18d

  • SSDEEP

    98304:F1ofONJ89lcVQnc96ZjaVFd67Q0psPcL+F8udOpW2Nq1UQamgT7YjOCvBTqEVmI:FWkKcVQaVFd6/pwMBPI+QamggjOiplmI

Malware Config

Targets

    • Target

      bdce60e92616f204631ebac6d57c74fd2214c9591c6faa2a76150c6ac15c6ac0.exe

    • Size

      6.8MB

    • MD5

      adcf4f2d9028c52a8b7b7b7880aa5d6b

    • SHA1

      60c9c134ff2cd2847b9f8ff58aead722e9ac43a8

    • SHA256

      bdce60e92616f204631ebac6d57c74fd2214c9591c6faa2a76150c6ac15c6ac0

    • SHA512

      2277f133303010cd19690d9142513bbd9cdd61c0189807cfe58ff7e2aa734623549992eb8e7bc8c306d6a292990904ce0a8a826f0c3e436a1d1d8f84ef5c6af4

    • SSDEEP

      196608:0dvbLD+bI92rDvjxLZisgOb5nEqc93TkNboL:0vbLwrLjxLZishuT8A

    • 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