Resubmissions

26-09-2021 14:45

210926-r43blaehcn 10

26-09-2021 14:26

210926-rrve8aehh8 10

Analysis

  • max time kernel
    1801s
  • max time network
    1795s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-09-2021 14:45

General

  • Target

    3dd4ba94c558b54ba1fe639566cbc368.exe

  • Size

    237KB

  • MD5

    3dd4ba94c558b54ba1fe639566cbc368

  • SHA1

    8c44f1c918c3d2fd48694e8af653e473be3e02c1

  • SHA256

    c75b223b462ba88c62c1c8d848a845e7aeacc0ec0c96a7ecf1644e782accdd52

  • SHA512

    58e828507bd3be52ea340ed835c3dc06a655db0a067c746ef65e7382d2b09eb5e7d6847dc679b89539826b598749e60ddf62859e25930b8e586acc11228bb1fa

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

raccoon

Botnet

b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7

Attributes
  • url4cnc

    https://t.me/hcdrom1

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Bliss

C2

185.237.98.178:62607

Extracted

Family

redline

Botnet

karma

C2

94.103.9.133:39323

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • 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.

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • Arkei Stealer Payload 1 IoCs
  • Chinese Botnet Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 14 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe
    "C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe
      "C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1004
  • C:\Users\Admin\AppData\Local\Temp\96C.exe
    C:\Users\Admin\AppData\Local\Temp\96C.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\96C.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:3772
  • C:\Users\Admin\AppData\Local\Temp\167D.exe
    C:\Users\Admin\AppData\Local\Temp\167D.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:416
  • C:\Users\Admin\AppData\Local\Temp\1E2E.exe
    C:\Users\Admin\AppData\Local\Temp\1E2E.exe
    1⤵
    • Executes dropped EXE
    PID:1124
  • C:\Users\Admin\AppData\Local\Temp\25A2.exe
    C:\Users\Admin\AppData\Local\Temp\25A2.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 1304
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1148
  • C:\Users\Admin\AppData\Local\Temp\2A65.exe
    C:\Users\Admin\AppData\Local\Temp\2A65.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:744
    • 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:3000
    • 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:740
    • 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:1216
  • C:\Users\Admin\AppData\Roaming\aghrrrv
    C:\Users\Admin\AppData\Roaming\aghrrrv
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\AppData\Roaming\aghrrrv
      C:\Users\Admin\AppData\Roaming\aghrrrv
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2880
  • C:\Users\Admin\AppData\Roaming\aghrrrv
    C:\Users\Admin\AppData\Roaming\aghrrrv
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Roaming\aghrrrv
      C:\Users\Admin\AppData\Roaming\aghrrrv
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3908
  • C:\Users\Admin\AppData\Roaming\aghrrrv
    C:\Users\Admin\AppData\Roaming\aghrrrv
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Users\Admin\AppData\Roaming\aghrrrv
      C:\Users\Admin\AppData\Roaming\aghrrrv
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/416-166-0x00000000076B0000-0x00000000076B1000-memory.dmp

    Filesize

    4KB

  • memory/416-165-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

    Filesize

    4KB

  • memory/416-143-0x00000000036E0000-0x00000000036E1000-memory.dmp

    Filesize

    4KB

  • memory/416-139-0x0000000005A10000-0x0000000005A11000-memory.dmp

    Filesize

    4KB

  • memory/416-132-0x00000000010D0000-0x00000000010D1000-memory.dmp

    Filesize

    4KB

  • memory/416-172-0x0000000007EF0000-0x0000000007EF1000-memory.dmp

    Filesize

    4KB

  • memory/416-138-0x00000000059D0000-0x00000000059D1000-memory.dmp

    Filesize

    4KB

  • memory/416-171-0x0000000007BE0000-0x0000000007BE1000-memory.dmp

    Filesize

    4KB

  • memory/416-137-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

    Filesize

    4KB

  • memory/416-136-0x0000000005970000-0x0000000005971000-memory.dmp

    Filesize

    4KB

  • memory/416-170-0x0000000007480000-0x0000000007481000-memory.dmp

    Filesize

    4KB

  • memory/416-169-0x00000000080E0000-0x00000000080E1000-memory.dmp

    Filesize

    4KB

  • memory/416-168-0x00000000072C0000-0x00000000072C1000-memory.dmp

    Filesize

    4KB

  • memory/416-135-0x00000000777D0000-0x000000007795E000-memory.dmp

    Filesize

    1.6MB

  • memory/416-134-0x0000000005F60000-0x0000000005F61000-memory.dmp

    Filesize

    4KB

  • memory/416-167-0x0000000007180000-0x0000000007181000-memory.dmp

    Filesize

    4KB

  • memory/740-203-0x0000000004D33000-0x0000000004D34000-memory.dmp

    Filesize

    4KB

  • memory/740-195-0x0000000004D34000-0x0000000004D36000-memory.dmp

    Filesize

    8KB

  • memory/740-193-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/740-184-0x00000000024C0000-0x00000000024E2000-memory.dmp

    Filesize

    136KB

  • memory/740-182-0x0000000002300000-0x0000000002323000-memory.dmp

    Filesize

    140KB

  • memory/740-199-0x0000000004D30000-0x0000000004D31000-memory.dmp

    Filesize

    4KB

  • memory/740-201-0x0000000004D32000-0x0000000004D33000-memory.dmp

    Filesize

    4KB

  • memory/740-197-0x0000000007180000-0x0000000007181000-memory.dmp

    Filesize

    4KB

  • memory/740-190-0x0000000001FC0000-0x0000000001FF7000-memory.dmp

    Filesize

    220KB

  • memory/744-157-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

    Filesize

    4KB

  • memory/808-114-0x0000000000520000-0x0000000000529000-memory.dmp

    Filesize

    36KB

  • memory/1004-115-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1124-160-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/1124-159-0x0000000002030000-0x00000000020C0000-memory.dmp

    Filesize

    576KB

  • memory/1216-214-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/1216-196-0x00000000021C0000-0x000000000227C000-memory.dmp

    Filesize

    752KB

  • memory/1216-198-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1776-151-0x00000000021B0000-0x00000000021DD000-memory.dmp

    Filesize

    180KB

  • memory/1776-152-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/2256-238-0x00000000004D0000-0x000000000061A000-memory.dmp

    Filesize

    1.3MB

  • memory/3000-185-0x00000000022C0000-0x00000000022DF000-memory.dmp

    Filesize

    124KB

  • memory/3000-205-0x0000000001FD0000-0x0000000002000000-memory.dmp

    Filesize

    192KB

  • memory/3000-207-0x0000000002324000-0x0000000002326000-memory.dmp

    Filesize

    8KB

  • memory/3000-209-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/3000-211-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/3000-212-0x0000000002322000-0x0000000002323000-memory.dmp

    Filesize

    4KB

  • memory/3000-213-0x0000000002323000-0x0000000002324000-memory.dmp

    Filesize

    4KB

  • memory/3000-192-0x0000000002380000-0x000000000239E000-memory.dmp

    Filesize

    120KB

  • memory/3052-233-0x00000000003E0000-0x00000000003F6000-memory.dmp

    Filesize

    88KB

  • memory/3052-244-0x00000000024E0000-0x00000000024F6000-memory.dmp

    Filesize

    88KB

  • memory/3052-239-0x0000000000620000-0x0000000000636000-memory.dmp

    Filesize

    88KB

  • memory/3052-117-0x0000000000390000-0x00000000003A6000-memory.dmp

    Filesize

    88KB

  • memory/3212-122-0x00000000016A0000-0x00000000016A1000-memory.dmp

    Filesize

    4KB

  • memory/3212-121-0x00000000014B0000-0x00000000014B1000-memory.dmp

    Filesize

    4KB

  • memory/3212-126-0x00000000031E0000-0x00000000031E1000-memory.dmp

    Filesize

    4KB

  • memory/3212-127-0x00000000008C0000-0x0000000001053000-memory.dmp

    Filesize

    7.6MB

  • memory/3212-123-0x00000000031A0000-0x00000000031A1000-memory.dmp

    Filesize

    4KB

  • memory/3212-125-0x00000000031D0000-0x00000000031D1000-memory.dmp

    Filesize

    4KB

  • memory/3212-124-0x00000000031C0000-0x00000000031C1000-memory.dmp

    Filesize

    4KB