Analysis

  • max time kernel
    156s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • 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

installszxc

C2

138.124.186.2:27999

Extracted

Family

redline

Botnet

z0rm1onbuild

C2

45.156.21.209:56326

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

  • 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 8 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Chinese Botnet Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 16 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 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 6 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.

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 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:1816
    • 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:1824
  • C:\Users\Admin\AppData\Local\Temp\721.exe
    C:\Users\Admin\AppData\Local\Temp\721.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:268
    • C:\Users\Admin\AppData\Local\Temp\721.exe
      C:\Users\Admin\AppData\Local\Temp\721.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1628
  • C:\Users\Admin\AppData\Local\Temp\EEF.exe
    C:\Users\Admin\AppData\Local\Temp\EEF.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:572
  • C:\Users\Admin\AppData\Local\Temp\19A9.exe
    C:\Users\Admin\AppData\Local\Temp\19A9.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\ProgramData\Stub.exe
      "C:\ProgramData\Stub.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1640
  • C:\Users\Admin\AppData\Local\Temp\1D81.exe
    C:\Users\Admin\AppData\Local\Temp\1D81.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1016
  • C:\Users\Admin\AppData\Local\Temp\2D2B.exe
    C:\Users\Admin\AppData\Local\Temp\2D2B.exe
    1⤵
    • Executes dropped EXE
    PID:1816
  • C:\Users\Admin\AppData\Local\Temp\33F0.exe
    C:\Users\Admin\AppData\Local\Temp\33F0.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:428
  • C:\Users\Admin\AppData\Local\Temp\394E.exe
    C:\Users\Admin\AppData\Local\Temp\394E.exe
    1⤵
    • Executes dropped EXE
    PID:1680
  • C:\Users\Admin\AppData\Local\Temp\3E1F.exe
    C:\Users\Admin\AppData\Local\Temp\3E1F.exe
    1⤵
    • Executes dropped EXE
    PID:1608
  • C:\Users\Admin\AppData\Local\Temp\4551.exe
    C:\Users\Admin\AppData\Local\Temp\4551.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1696
    • 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:2132
    • 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:2176
    • C:\Users\Admin\AppData\Local\Temp\fbf.exe
      "C:\Users\Admin\AppData\Local\Temp\fbf.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious use of SetWindowsHookEx
      PID:2204
  • C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe
    "C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2808
    • C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe
      "C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe" Win7
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:2888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/428-118-0x00000000053A0000-0x00000000053A1000-memory.dmp

    Filesize

    4KB

  • memory/428-116-0x0000000001130000-0x0000000001131000-memory.dmp

    Filesize

    4KB

  • memory/572-77-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

    Filesize

    4KB

  • memory/572-86-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

    Filesize

    4KB

  • memory/1016-92-0x000000001AE50000-0x000000001AE52000-memory.dmp

    Filesize

    8KB

  • memory/1016-132-0x000000001AE56000-0x000000001AE75000-memory.dmp

    Filesize

    124KB

  • memory/1016-100-0x0000000000170000-0x000000000018E000-memory.dmp

    Filesize

    120KB

  • memory/1016-91-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

    Filesize

    4KB

  • memory/1208-162-0x000007FEF53F0000-0x000007FEF5533000-memory.dmp

    Filesize

    1.3MB

  • memory/1208-79-0x0000000003E30000-0x0000000003E40000-memory.dmp

    Filesize

    64KB

  • memory/1208-64-0x0000000002D20000-0x0000000002D36000-memory.dmp

    Filesize

    88KB

  • memory/1208-93-0x0000000003EC0000-0x0000000003ED6000-memory.dmp

    Filesize

    88KB

  • memory/1208-163-0x000007FF525E0000-0x000007FF525EA000-memory.dmp

    Filesize

    40KB

  • memory/1640-101-0x0000000000D90000-0x0000000000D91000-memory.dmp

    Filesize

    4KB

  • memory/1640-98-0x0000000001080000-0x0000000001081000-memory.dmp

    Filesize

    4KB

  • memory/1680-126-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/1680-125-0x0000000000320000-0x00000000003B0000-memory.dmp

    Filesize

    576KB

  • memory/1696-130-0x0000000000950000-0x0000000000951000-memory.dmp

    Filesize

    4KB

  • memory/1816-63-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/1816-111-0x0000000000CA0000-0x0000000001433000-memory.dmp

    Filesize

    7.6MB

  • memory/1816-110-0x0000000000140000-0x0000000000141000-memory.dmp

    Filesize

    4KB

  • memory/1816-109-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/1816-107-0x0000000000110000-0x0000000000111000-memory.dmp

    Filesize

    4KB

  • memory/1816-108-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/1816-106-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/1816-105-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB

  • memory/1824-62-0x0000000075511000-0x0000000075513000-memory.dmp

    Filesize

    8KB

  • memory/1824-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-87-0x0000000001F00000-0x0000000001F01000-memory.dmp

    Filesize

    4KB

  • memory/1864-83-0x00000000000E0000-0x00000000000E1000-memory.dmp

    Filesize

    4KB

  • memory/2132-157-0x0000000004974000-0x0000000004976000-memory.dmp

    Filesize

    8KB

  • memory/2132-153-0x0000000004971000-0x0000000004972000-memory.dmp

    Filesize

    4KB

  • memory/2132-155-0x0000000004973000-0x0000000004974000-memory.dmp

    Filesize

    4KB

  • memory/2132-148-0x0000000001E10000-0x0000000001E2F000-memory.dmp

    Filesize

    124KB

  • memory/2132-149-0x0000000001E80000-0x0000000001E9E000-memory.dmp

    Filesize

    120KB

  • memory/2132-154-0x0000000004972000-0x0000000004973000-memory.dmp

    Filesize

    4KB

  • memory/2132-151-0x00000000001C0000-0x00000000001F0000-memory.dmp

    Filesize

    192KB

  • memory/2132-152-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/2176-147-0x00000000022F3000-0x00000000022F4000-memory.dmp

    Filesize

    4KB

  • memory/2176-142-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2176-139-0x0000000002120000-0x0000000002143000-memory.dmp

    Filesize

    140KB

  • memory/2176-140-0x0000000002330000-0x0000000002352000-memory.dmp

    Filesize

    136KB

  • memory/2176-146-0x00000000022F2000-0x00000000022F3000-memory.dmp

    Filesize

    4KB

  • memory/2176-141-0x0000000000230000-0x0000000000267000-memory.dmp

    Filesize

    220KB

  • memory/2176-143-0x00000000022F4000-0x00000000022F6000-memory.dmp

    Filesize

    8KB

  • memory/2176-145-0x00000000022F1000-0x00000000022F2000-memory.dmp

    Filesize

    4KB

  • memory/2204-160-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

  • memory/2204-158-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/2204-156-0x0000000000220000-0x00000000002DC000-memory.dmp

    Filesize

    752KB