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Analysis

  • max time kernel
    1801s
  • max time network
    1445s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (13).exe

  • Size

    315KB

  • MD5

    1d20e1f65938e837ef1b88f10f1bd6c3

  • SHA1

    703d7098dbfc476d2181b7fc041cc23e49c368f1

  • SHA256

    05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d

  • SHA512

    f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

1

C2

45.32.235.238:45555

Extracted

Family

redline

C2

45.93.4.12:80

Signatures

  • 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 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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.

  • 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 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (13).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3520
  • C:\Users\Admin\AppData\Local\Temp\EBAE.exe
    C:\Users\Admin\AppData\Local\Temp\EBAE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:3540
  • C:\Users\Admin\AppData\Local\Temp\ED16.exe
    C:\Users\Admin\AppData\Local\Temp\ED16.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1348
  • C:\Users\Admin\AppData\Local\Temp\4307.exe
    C:\Users\Admin\AppData\Local\Temp\4307.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Users\Admin\AppData\Local\Temp\4307.exe
      C:\Users\Admin\AppData\Local\Temp\4307.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1564
  • C:\Users\Admin\AppData\Local\Temp\477D.exe
    C:\Users\Admin\AppData\Local\Temp\477D.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1900
  • C:\Users\Admin\AppData\Local\Temp\49C0.exe
    C:\Users\Admin\AppData\Local\Temp\49C0.exe
    1⤵
    • Executes dropped EXE
    PID:2632
  • C:\Users\Admin\AppData\Local\Temp\4DF7.exe
    C:\Users\Admin\AppData\Local\Temp\4DF7.exe
    1⤵
    • Executes dropped EXE
    PID:2752
  • C:\Users\Admin\AppData\Local\Temp\51C1.exe
    C:\Users\Admin\AppData\Local\Temp\51C1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4020
    • C:\Users\Admin\AppData\Local\Temp\51C1.exe
      C:\Users\Admin\AppData\Local\Temp\51C1.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:212
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2440
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:4068
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3928
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3916
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3632
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:3088
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2184
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:932
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2848
                    • C:\Users\Admin\AppData\Roaming\vdcjggw
                      C:\Users\Admin\AppData\Roaming\vdcjggw
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2884
                      • C:\Users\Admin\AppData\Roaming\vdcjggw
                        C:\Users\Admin\AppData\Roaming\vdcjggw
                        2⤵
                        • Executes dropped EXE
                        PID:3204
                    • C:\Users\Admin\AppData\Roaming\vdcjggw
                      C:\Users\Admin\AppData\Roaming\vdcjggw
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1580
                      • C:\Users\Admin\AppData\Roaming\vdcjggw
                        C:\Users\Admin\AppData\Roaming\vdcjggw
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:3116
                    • C:\Users\Admin\AppData\Roaming\vdcjggw
                      C:\Users\Admin\AppData\Roaming\vdcjggw
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1960
                      • C:\Users\Admin\AppData\Roaming\vdcjggw
                        C:\Users\Admin\AppData\Roaming\vdcjggw
                        2⤵
                        • Executes dropped EXE
                        PID:1144

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/212-196-0x00000000053F0000-0x00000000059F6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/212-177-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/932-216-0x0000000000BF0000-0x0000000000BF5000-memory.dmp

                      Filesize

                      20KB

                    • memory/932-217-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

                      Filesize

                      36KB

                    • memory/1564-211-0x0000000007BB0000-0x0000000007BB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-148-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/1564-169-0x0000000005880000-0x0000000005881000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-202-0x0000000006A80000-0x0000000006A81000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-204-0x0000000006A00000-0x0000000006A01000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-212-0x0000000006F80000-0x0000000006F81000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-157-0x00000000054D0000-0x00000000054D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-159-0x0000000005570000-0x0000000005571000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-155-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-166-0x00000000054D0000-0x0000000005AD6000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1564-203-0x0000000007180000-0x0000000007181000-memory.dmp

                      Filesize

                      4KB

                    • memory/1564-158-0x0000000005530000-0x0000000005531000-memory.dmp

                      Filesize

                      4KB

                    • memory/1580-240-0x00000000004B0000-0x000000000055E000-memory.dmp

                      Filesize

                      696KB

                    • memory/1900-189-0x0000000001FE0000-0x0000000002071000-memory.dmp

                      Filesize

                      580KB

                    • memory/1900-191-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/2184-209-0x00000000003A0000-0x00000000003A9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2184-208-0x00000000003B0000-0x00000000003B4000-memory.dmp

                      Filesize

                      16KB

                    • memory/2440-162-0x0000000002C70000-0x0000000002CE4000-memory.dmp

                      Filesize

                      464KB

                    • memory/2440-164-0x0000000000780000-0x00000000007EB000-memory.dmp

                      Filesize

                      428KB

                    • memory/2832-242-0x00000000010C0000-0x00000000010D7000-memory.dmp

                      Filesize

                      92KB

                    • memory/2832-119-0x0000000001050000-0x0000000001067000-memory.dmp

                      Filesize

                      92KB

                    • memory/2848-221-0x00000000030F0000-0x00000000030F9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2848-220-0x0000000003100000-0x0000000003105000-memory.dmp

                      Filesize

                      20KB

                    • memory/2884-233-0x00000000004B0000-0x00000000005FA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3088-199-0x00000000001E0000-0x00000000001EC000-memory.dmp

                      Filesize

                      48KB

                    • memory/3088-198-0x00000000001F0000-0x00000000001F6000-memory.dmp

                      Filesize

                      24KB

                    • memory/3520-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3632-185-0x0000000002D80000-0x0000000002D85000-memory.dmp

                      Filesize

                      20KB

                    • memory/3632-187-0x0000000002D70000-0x0000000002D79000-memory.dmp

                      Filesize

                      36KB

                    • memory/3916-180-0x0000000000E10000-0x0000000000E19000-memory.dmp

                      Filesize

                      36KB

                    • memory/3916-182-0x0000000000E00000-0x0000000000E0F000-memory.dmp

                      Filesize

                      60KB

                    • memory/3928-175-0x0000000000760000-0x000000000076B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3928-174-0x0000000000770000-0x0000000000777000-memory.dmp

                      Filesize

                      28KB

                    • memory/4020-170-0x0000000005520000-0x0000000005521000-memory.dmp

                      Filesize

                      4KB

                    • memory/4020-161-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4028-136-0x0000000005300000-0x0000000005301000-memory.dmp

                      Filesize

                      4KB

                    • memory/4028-137-0x0000000005580000-0x0000000005581000-memory.dmp

                      Filesize

                      4KB

                    • memory/4028-135-0x0000000005380000-0x0000000005381000-memory.dmp

                      Filesize

                      4KB

                    • memory/4028-133-0x0000000000B20000-0x0000000000B21000-memory.dmp

                      Filesize

                      4KB

                    • memory/4056-117-0x00000000004B0000-0x00000000004BC000-memory.dmp

                      Filesize

                      48KB

                    • memory/4068-171-0x00000000009E0000-0x00000000009E7000-memory.dmp

                      Filesize

                      28KB

                    • memory/4068-172-0x00000000009D0000-0x00000000009DC000-memory.dmp

                      Filesize

                      48KB