General

  • Target

    Top.exe

  • Size

    212KB

  • Sample

    211024-vxlxtaeff9

  • MD5

    96427c202bca1af1acd22256c92cc898

  • SHA1

    728fd65a135a31b83138cc7b1e0754b17bb5ee81

  • SHA256

    73186a5d3be2fa9711f31dfbac376773f5e05116652ff2d413edea2390670ee5

  • SHA512

    9ddd65f6d72b00838189b7e954a91fd182e5d7808aa2927f762945d3991982649ef3d6bc745e22552fdfea02e5afae452e9f03ec86ee63f6fc49875c95d60d56

Malware Config

Extracted

Family

redline

Botnet

@Top_seller_ak

C2

51.91.193.177:18717

Targets

    • Target

      Top.exe

    • Size

      212KB

    • MD5

      96427c202bca1af1acd22256c92cc898

    • SHA1

      728fd65a135a31b83138cc7b1e0754b17bb5ee81

    • SHA256

      73186a5d3be2fa9711f31dfbac376773f5e05116652ff2d413edea2390670ee5

    • SHA512

      9ddd65f6d72b00838189b7e954a91fd182e5d7808aa2927f762945d3991982649ef3d6bc745e22552fdfea02e5afae452e9f03ec86ee63f6fc49875c95d60d56

    • RedLine

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

    • RedLine Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks