Overview

overview

9

Static

static

3

SolaraB/So...er.exe

windows7-x64

6

SolaraB/So...er.exe

windows11-21h2-x64

9

Sharing

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General

  • Target

    SolaraB.zip

  • Size

    5KB

  • Sample

    240523-jpk5rshh64

  • MD5

    c28893103f5e51ab91e36a083f8b5573

  • SHA1

    7d2d2be83da6ab4a04abcf95473ce43e24e6255a

  • SHA256

    aff796ebceec53197b5fa391d7693cd5577849d6528c4f22f9606f63dba6fa2d

  • SHA512

    9322fc4099f07cb9a45b2965197653ed85c88661130d8f33268e2ec7a97dda014c76b8d9d218b3fbcdcee2597de0bf6325a9d4fdf3bd92cd00303baa47f36bf8

  • SSDEEP

    96:gDvDM0etWUQ584M4Yikr0by9KQ/DYU32e2sez0:gDM4Y3r0W9dMe2su0

Score
9/10
evasionthemidatrojan

Malware Config

Targets

    • Target

      SolaraB/Solara/SolaraBootstrapper.exe

    • Size

      12KB

    • MD5

      06f13f50c4580846567a644eb03a11f2

    • SHA1

      39ee712b6dfc5a29a9c641d92c7467a2c4445984

    • SHA256

      0636e8f9816b17d7cff26ef5d280ce1c1aae992cda8165c6f4574029258a08a9

    • SHA512

      f5166a295bb0960e59c176eefa89c341563fdf0eec23a45576e0ee5bf7e8271cc35eb9dd56b11d9c0bbe789f2eac112643108c46be3341fa332cfcf39b4a90b9

    • SSDEEP

      192:cDnQvi7auc35nuKdhAWVIanaLvmr/XKTxnTc1BREVXLGDlNjA:cDn97auc35tAKIanayzKto1jEVQzj

    Score
    9/10
    evasionthemidatrojan

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

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks