Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-11-2021 15:49

General

  • Target

    f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00.exe

  • Size

    145KB

  • MD5

    975e2a8879c2d40e6db9704e75868e53

  • SHA1

    746e10e1a92ead22dc951a2feb0ec70a696f944e

  • SHA256

    f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00

  • SHA512

    2ebbdf66c21d3a64a92f3e56a524e9255af702158ab9c39b1700515abd64aa301f24bab5560d056b777982bceee7a99d0bdd7fc71c83d8b25e2a6bc461b83f07

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00.exe
    "C:\Users\Admin\AppData\Local\Temp\f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3616
    • C:\Users\Admin\AppData\Local\Temp\f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00.exe
      C:\Users\Admin\AppData\Local\Temp\f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1156

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

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00.exe.log
    MD5

    daa436d058b25bdde9e2d6fe53c6ccf6

    SHA1

    3fc5d1eab28db05865915d8f6d9ecf85d9cc1d9e

    SHA256

    afb0ed8659b214fe4251a87a1c0a362c123363497fbd50737c1ae36a9376c4cd

    SHA512

    84f13582070ae4a3a9bb5e4b29620e659c258ab282e43e9bfa50528c08aae875d8c33cf3647fbb1253102af39b89f3b97f316e62f544355cc9c379e04fba960a

  • memory/1156-133-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/1156-136-0x0000000005E10000-0x0000000005E11000-memory.dmp
    Filesize

    4KB

  • memory/1156-129-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/1156-131-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
    Filesize

    4KB

  • memory/1156-130-0x0000000004E20000-0x0000000004E21000-memory.dmp
    Filesize

    4KB

  • memory/1156-122-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1156-123-0x0000000000436D2E-mapping.dmp
  • memory/1156-141-0x0000000007A90000-0x0000000007A91000-memory.dmp
    Filesize

    4KB

  • memory/1156-127-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
    Filesize

    4KB

  • memory/1156-128-0x0000000000E50000-0x0000000000E51000-memory.dmp
    Filesize

    4KB

  • memory/1156-140-0x0000000006B80000-0x0000000006B81000-memory.dmp
    Filesize

    4KB

  • memory/1156-139-0x00000000060D0000-0x00000000060D1000-memory.dmp
    Filesize

    4KB

  • memory/1156-138-0x0000000005F10000-0x0000000005F11000-memory.dmp
    Filesize

    4KB

  • memory/1156-132-0x0000000004E80000-0x0000000004E81000-memory.dmp
    Filesize

    4KB

  • memory/1156-135-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
    Filesize

    4KB

  • memory/3616-115-0x0000000000460000-0x0000000000461000-memory.dmp
    Filesize

    4KB

  • memory/3616-118-0x00000000054C0000-0x000000000551D000-memory.dmp
    Filesize

    372KB

  • memory/3616-120-0x0000000005B50000-0x0000000005B51000-memory.dmp
    Filesize

    4KB

  • memory/3616-121-0x00000000056C0000-0x00000000056E7000-memory.dmp
    Filesize

    156KB

  • memory/3616-119-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/3616-117-0x00000000027A0000-0x00000000027A1000-memory.dmp
    Filesize

    4KB