Analysis

  • max time kernel
    119s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 06:58

General

  • Target

    ba48cbe3330971221c4c9c406a30ef6f.exe

  • Size

    1.2MB

  • MD5

    ba48cbe3330971221c4c9c406a30ef6f

  • SHA1

    d766e0b0a7108d201490b256d5164c087ee13715

  • SHA256

    067b704b54f19baef687e3e3f4ac845283b1f670752df309e6eb143565851da6

  • SHA512

    650e1e0d9bcb1f6f1b123b1782e16fb2a03c8cb034e23b9ff4875572978fa36b3573a65c983555e87ca2adb93adc9dc10e868baa77570620c03e9897ed8a678d

Malware Config

Extracted

Family

redline

C2

185.105.119.120:48759

Extracted

Family

redline

Botnet

123

C2

46.3.199.85:4329

Signatures

  • RedLine

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

  • RedLine Payload 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba48cbe3330971221c4c9c406a30ef6f.exe
    "C:\Users\Admin\AppData\Local\Temp\ba48cbe3330971221c4c9c406a30ef6f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Users\Admin\AppData\Roaming\asf3r3.exe
        "C:\Users\Admin\AppData\Roaming\asf3r3.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2624
      • C:\Users\Admin\AppData\Roaming\e3dwefw.exe
        "C:\Users\Admin\AppData\Roaming\e3dwefw.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Windows\SysWOW64\schtasks.exe
          /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
          4⤵
          • Creates scheduled task(s)
          PID:380
  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
      2⤵
      • Creates scheduled task(s)
      PID:984

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    MD5

    67486b272027c5c08c37d2a7dfa3b019

    SHA1

    660cd3fa71e480e03b392ccfff95b1a651ec1563

    SHA256

    cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

    SHA512

    6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
    MD5

    67486b272027c5c08c37d2a7dfa3b019

    SHA1

    660cd3fa71e480e03b392ccfff95b1a651ec1563

    SHA256

    cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

    SHA512

    6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

  • C:\Users\Admin\AppData\Roaming\asf3r3.exe
    MD5

    251a95b3e822ff316dcbeec79f622594

    SHA1

    214ffd96dbb7df6d8e437d57753131142ab3cfa1

    SHA256

    0b1dd3984b36ee6b633f22f4f90eebe1b9f32ec6d6c46134a179f69e6bd11ec7

    SHA512

    f0441fdec6cf50fb8c37a8f5707bba20cde622faa13d9426ffc1f4cd66c0ed428ca5f767aee78f6ffac9d5677d423ddced153b71363f8bcca96c63ca5a13e88f

  • C:\Users\Admin\AppData\Roaming\asf3r3.exe
    MD5

    251a95b3e822ff316dcbeec79f622594

    SHA1

    214ffd96dbb7df6d8e437d57753131142ab3cfa1

    SHA256

    0b1dd3984b36ee6b633f22f4f90eebe1b9f32ec6d6c46134a179f69e6bd11ec7

    SHA512

    f0441fdec6cf50fb8c37a8f5707bba20cde622faa13d9426ffc1f4cd66c0ed428ca5f767aee78f6ffac9d5677d423ddced153b71363f8bcca96c63ca5a13e88f

  • C:\Users\Admin\AppData\Roaming\e3dwefw.exe
    MD5

    67486b272027c5c08c37d2a7dfa3b019

    SHA1

    660cd3fa71e480e03b392ccfff95b1a651ec1563

    SHA256

    cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

    SHA512

    6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

  • C:\Users\Admin\AppData\Roaming\e3dwefw.exe
    MD5

    67486b272027c5c08c37d2a7dfa3b019

    SHA1

    660cd3fa71e480e03b392ccfff95b1a651ec1563

    SHA256

    cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

    SHA512

    6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

  • memory/2624-137-0x00000000052E0000-0x00000000058E6000-memory.dmp
    Filesize

    6.0MB

  • memory/2624-134-0x0000000000B80000-0x0000000000BA0000-memory.dmp
    Filesize

    128KB

  • memory/2772-121-0x00000000055A0000-0x00000000055AA000-memory.dmp
    Filesize

    40KB

  • memory/2772-115-0x0000000000590000-0x00000000006D4000-memory.dmp
    Filesize

    1.3MB

  • memory/2772-116-0x00000000055B0000-0x0000000005AAE000-memory.dmp
    Filesize

    5.0MB

  • memory/2772-117-0x0000000005150000-0x00000000051E2000-memory.dmp
    Filesize

    584KB

  • memory/2772-118-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
    Filesize

    4KB

  • memory/2772-119-0x00000000054F0000-0x0000000005566000-memory.dmp
    Filesize

    472KB

  • memory/2772-120-0x00000000050D0000-0x00000000050EE000-memory.dmp
    Filesize

    120KB

  • memory/3172-128-0x0000000007170000-0x000000000769C000-memory.dmp
    Filesize

    5.2MB

  • memory/3172-131-0x0000000007080000-0x00000000070CB000-memory.dmp
    Filesize

    300KB

  • memory/3172-123-0x0000000005960000-0x0000000005F66000-memory.dmp
    Filesize

    6.0MB

  • memory/3172-122-0x0000000000400000-0x000000000046C000-memory.dmp
    Filesize

    432KB

  • memory/3172-130-0x0000000007000000-0x000000000703E000-memory.dmp
    Filesize

    248KB

  • memory/3172-129-0x0000000006D50000-0x0000000006DB6000-memory.dmp
    Filesize

    408KB

  • memory/3172-124-0x00000000053C0000-0x00000000053D2000-memory.dmp
    Filesize

    72KB

  • memory/3172-127-0x0000000005350000-0x0000000005956000-memory.dmp
    Filesize

    6.0MB

  • memory/3172-138-0x00000000079A0000-0x00000000079F0000-memory.dmp
    Filesize

    320KB

  • memory/3172-126-0x0000000005F70000-0x0000000006132000-memory.dmp
    Filesize

    1.8MB

  • memory/3172-125-0x00000000054F0000-0x00000000055FA000-memory.dmp
    Filesize

    1.0MB