Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    26-09-2021 14:53

General

  • Target

    e98e80b300af28043252190b020ee173.exe

  • Size

    139KB

  • MD5

    e98e80b300af28043252190b020ee173

  • SHA1

    df38365f73543166e8fb859908f0b3dbc9b6e64e

  • SHA256

    ebcecaf7cc142a2954b15d4390e5275aed5a7c8f70a7c777c0288b5f3c2312ac

  • SHA512

    11d40f6529dd546cdf97c73183393418e728a64320cb1345d43056f002e469ab16eae64eb4b628b195234cf07843cb2e7fb659d46598c3de951d73d1b680b762

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

karma

C2

94.103.9.133:39323

Extracted

Family

redline

Botnet

Bliss

C2

185.237.98.178:62607

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • RedLine

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

  • RedLine Payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Chinese Botnet Payload 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e98e80b300af28043252190b020ee173.exe
    "C:\Users\Admin\AppData\Local\Temp\e98e80b300af28043252190b020ee173.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\e98e80b300af28043252190b020ee173.exe
      "C:\Users\Admin\AppData\Local\Temp\e98e80b300af28043252190b020ee173.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2492
  • C:\Users\Admin\AppData\Local\Temp\C36.exe
    C:\Users\Admin\AppData\Local\Temp\C36.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe
      "C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:296
    • C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe
      "C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Users\Admin\AppData\Local\Temp\fbf.exe
      "C:\Users\Admin\AppData\Local\Temp\fbf.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Checks processor information in registry
      • Suspicious use of SetWindowsHookEx
      PID:2332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/296-177-0x00000000077D0000-0x00000000077D1000-memory.dmp

    Filesize

    4KB

  • memory/296-148-0x0000000002560000-0x0000000002561000-memory.dmp

    Filesize

    4KB

  • memory/296-161-0x0000000002564000-0x0000000002566000-memory.dmp

    Filesize

    8KB

  • memory/296-153-0x0000000002563000-0x0000000002564000-memory.dmp

    Filesize

    4KB

  • memory/296-138-0x0000000004A00000-0x0000000004A01000-memory.dmp

    Filesize

    4KB

  • memory/296-175-0x0000000008C70000-0x0000000008C71000-memory.dmp

    Filesize

    4KB

  • memory/296-137-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/296-171-0x00000000089A0000-0x00000000089A1000-memory.dmp

    Filesize

    4KB

  • memory/296-133-0x0000000002530000-0x000000000254F000-memory.dmp

    Filesize

    124KB

  • memory/296-152-0x0000000002562000-0x0000000002563000-memory.dmp

    Filesize

    4KB

  • memory/296-135-0x00000000020F0000-0x0000000002120000-memory.dmp

    Filesize

    192KB

  • memory/296-141-0x0000000004F00000-0x0000000004F1E000-memory.dmp

    Filesize

    120KB

  • memory/2004-147-0x00000000050A0000-0x00000000050A1000-memory.dmp

    Filesize

    4KB

  • memory/2004-157-0x0000000005980000-0x0000000005981000-memory.dmp

    Filesize

    4KB

  • memory/2004-173-0x00000000089B0000-0x00000000089B1000-memory.dmp

    Filesize

    4KB

  • memory/2004-136-0x0000000004B92000-0x0000000004B93000-memory.dmp

    Filesize

    4KB

  • memory/2004-143-0x00000000025D0000-0x00000000025F2000-memory.dmp

    Filesize

    136KB

  • memory/2004-144-0x0000000000600000-0x000000000074A000-memory.dmp

    Filesize

    1.3MB

  • memory/2004-145-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2004-146-0x0000000004B90000-0x0000000004B91000-memory.dmp

    Filesize

    4KB

  • memory/2004-149-0x0000000004B93000-0x0000000004B94000-memory.dmp

    Filesize

    4KB

  • memory/2004-151-0x0000000005160000-0x0000000005161000-memory.dmp

    Filesize

    4KB

  • memory/2004-134-0x0000000002120000-0x0000000002143000-memory.dmp

    Filesize

    140KB

  • memory/2004-168-0x0000000008180000-0x0000000008181000-memory.dmp

    Filesize

    4KB

  • memory/2004-155-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

    Filesize

    4KB

  • memory/2004-167-0x0000000007FB0000-0x0000000007FB1000-memory.dmp

    Filesize

    4KB

  • memory/2004-163-0x0000000006F30000-0x0000000006F31000-memory.dmp

    Filesize

    4KB

  • memory/2004-162-0x0000000004B94000-0x0000000004B96000-memory.dmp

    Filesize

    8KB

  • memory/2004-159-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

    Filesize

    4KB

  • memory/2208-115-0x0000000000820000-0x0000000000829000-memory.dmp

    Filesize

    36KB

  • memory/2332-165-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/2332-140-0x0000000002130000-0x00000000021EC000-memory.dmp

    Filesize

    752KB

  • memory/2332-142-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/2492-116-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2752-122-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB

  • memory/3040-118-0x0000000000D30000-0x0000000000D46000-memory.dmp

    Filesize

    88KB