Analysis

  • max time kernel
    307s
  • max time network
    1819s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-10-2021 14:38

General

  • Target

    Fri05a277b9a3d2.exe

  • Size

    383KB

  • MD5

    8958066e38eb4b70f922db2c23457c18

  • SHA1

    27aff4aed5d4c782e9170ba124a3a1f90d979e6a

  • SHA256

    3f3a020f63daef5ffa7c2eb9014452dfa913cc6ff977e5747e6f0c854d849358

  • SHA512

    c2b73802a4b3350290d40bf2aa3942d92239eea4f69ab13fcce84090093e13d7950e3c32d565880a9ec74b8898cb82bb63e04a53505d9ef5f3aea812f8a68236

Malware Config

Extracted

Family

redline

Botnet

media21

C2

91.121.67.60:23325

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
    "C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
      C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3100

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Fri05a277b9a3d2.exe.log
    MD5

    41fbed686f5700fc29aaccf83e8ba7fd

    SHA1

    5271bc29538f11e42a3b600c8dc727186e912456

    SHA256

    df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

    SHA512

    234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

  • memory/2948-119-0x00000000055F0000-0x00000000055F1000-memory.dmp
    Filesize

    4KB

  • memory/2948-120-0x0000000005570000-0x0000000005571000-memory.dmp
    Filesize

    4KB

  • memory/2948-121-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/2948-122-0x0000000005C60000-0x0000000005C61000-memory.dmp
    Filesize

    4KB

  • memory/2948-117-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
    Filesize

    4KB

  • memory/3100-128-0x00000000058B0000-0x00000000058B1000-memory.dmp
    Filesize

    4KB

  • memory/3100-124-0x0000000000418532-mapping.dmp
  • memory/3100-123-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/3100-129-0x00000000052E0000-0x00000000052E1000-memory.dmp
    Filesize

    4KB

  • memory/3100-130-0x0000000005410000-0x0000000005411000-memory.dmp
    Filesize

    4KB

  • memory/3100-131-0x0000000005340000-0x0000000005341000-memory.dmp
    Filesize

    4KB

  • memory/3100-132-0x00000000052A0000-0x00000000058A6000-memory.dmp
    Filesize

    6.0MB

  • memory/3100-133-0x0000000005380000-0x0000000005381000-memory.dmp
    Filesize

    4KB

  • memory/3100-135-0x0000000005780000-0x0000000005781000-memory.dmp
    Filesize

    4KB

  • memory/3100-138-0x0000000005F60000-0x0000000005F61000-memory.dmp
    Filesize

    4KB

  • memory/3100-139-0x0000000007950000-0x0000000007951000-memory.dmp
    Filesize

    4KB

  • memory/3100-140-0x0000000008050000-0x0000000008051000-memory.dmp
    Filesize

    4KB