Analysis

  • max time kernel
    91s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2023 11:06

General

  • Target

    b613c33ea1ca7d21c3114f5013964dbb.exe

  • Size

    2.2MB

  • MD5

    b613c33ea1ca7d21c3114f5013964dbb

  • SHA1

    c54011895b450afdd90216f845afb28fd86dbb7a

  • SHA256

    dcf4a9e709b5f1dd912e2455dfeb7267548c5f0597b92d2fd67b8d7cba097377

  • SHA512

    b35364305b98ddb89f6f78ef438369409a853944bf0bdb8594a58d03fc7336b2e68e77e2cdd4d14d8fba94810fb2653b230987d8aff7d84ebd7fba8aabb631fa

  • SSDEEP

    24576:KTXEPcN5JzQAMsJKStXO7sLeNVrMrtxZC1c6sDkFWE+QQdOvV/J0lDAdsBlwOxXD:gVVO7keNWuahOORJ/

Malware Config

Extracted

Family

redline

C2

95.217.146.176:4283

Attributes
  • auth_value

    a909e2aaecf96137978fea4f86400b9b

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b613c33ea1ca7d21c3114f5013964dbb.exe
    "C:\Users\Admin\AppData\Local\Temp\b613c33ea1ca7d21c3114f5013964dbb.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1056

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/780-132-0x0000000000611000-0x0000000000613000-memory.dmp
    Filesize

    8KB

  • memory/1056-133-0x0000000000000000-mapping.dmp
  • memory/1056-134-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/1056-139-0x0000000005A80000-0x0000000006098000-memory.dmp
    Filesize

    6.1MB

  • memory/1056-140-0x0000000005600000-0x000000000570A000-memory.dmp
    Filesize

    1.0MB

  • memory/1056-141-0x0000000005530000-0x0000000005542000-memory.dmp
    Filesize

    72KB

  • memory/1056-142-0x00000000055A0000-0x00000000055DC000-memory.dmp
    Filesize

    240KB

  • memory/1056-143-0x00000000058A0000-0x0000000005906000-memory.dmp
    Filesize

    408KB

  • memory/1056-144-0x0000000006960000-0x0000000006F04000-memory.dmp
    Filesize

    5.6MB

  • memory/1056-145-0x0000000006490000-0x0000000006522000-memory.dmp
    Filesize

    584KB

  • memory/1056-146-0x0000000006F10000-0x00000000070D2000-memory.dmp
    Filesize

    1.8MB

  • memory/1056-147-0x0000000007610000-0x0000000007B3C000-memory.dmp
    Filesize

    5.2MB