Resubmissions

12-05-2021 10:10

210512-xcth42j22e 10

12-05-2021 07:56

210512-57ypwfs6bx 10

Analysis

  • max time kernel
    121s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    12-05-2021 07:56

General

  • Target

    680c60bd9161140133992d026fabdfc5.exe

  • Size

    997KB

  • MD5

    680c60bd9161140133992d026fabdfc5

  • SHA1

    1f5a81fdfecd613f6a0c6362a2c7b1757d642bf5

  • SHA256

    d6c5d0d59ecf0f03c81e42ab58ca052a806bc9f145688441e1fe7038c0ed9f0c

  • SHA512

    7e64ead53d6abbe8efa8ba18ad7764aa36d4692f6b92cc03bc9999511bd94f8a83bdfa98edcf07bb98c81785ee20d791c5cb06181caeb07cb3dc0435332de2ca

Malware Config

Extracted

Family

redline

C2

zastaredan.xyz:80

Signatures

  • RedLine

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

  • RedLine Payload 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\680c60bd9161140133992d026fabdfc5.exe
    "C:\Users\Admin\AppData\Local\Temp\680c60bd9161140133992d026fabdfc5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:308
    • C:\Users\Admin\AppData\Local\Temp\680c60bd9161140133992d026fabdfc5.exe
      "C:\Users\Admin\AppData\Local\Temp\680c60bd9161140133992d026fabdfc5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:624

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/308-59-0x0000000000E90000-0x0000000000E91000-memory.dmp
    Filesize

    4KB

  • memory/308-61-0x00000000004D0000-0x00000000004DE000-memory.dmp
    Filesize

    56KB

  • memory/308-62-0x00000000048F0000-0x00000000048F1000-memory.dmp
    Filesize

    4KB

  • memory/308-63-0x0000000005160000-0x00000000051E9000-memory.dmp
    Filesize

    548KB

  • memory/308-64-0x0000000000E30000-0x0000000000E76000-memory.dmp
    Filesize

    280KB

  • memory/624-65-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/624-66-0x00000000004163C2-mapping.dmp
  • memory/624-67-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/624-69-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB