Analysis

  • max time kernel
    148s
  • max time network
    188s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 22:27

General

  • Target

    mixsix_20211021-213834.exe

  • Size

    502KB

  • MD5

    8b88f6c7769be88bcc52eaeea38621f2

  • SHA1

    bb67682e4b6421dfcc26fee615e9bc8499786599

  • SHA256

    629483458b79478365479b415c1efa5334cf87b3b6617aff6b6145fd28ae085e

  • SHA512

    ebc8916650ae9682b3c32b194889589595325e26054d77fa2bc62ca2d520a4a754156931a01c7ca3e11f5c9323e2fadefc2e865f04baf7255b19ce41c22c37c0

Malware Config

Extracted

Family

fickerstealer

C2

game2030.site:80

Extracted

Family

arkei

Botnet

Default

C2

http://gurums.online/ggate.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • suricata: ET MALWARE Win32/Ficker Stealer Activity M3

    suricata: ET MALWARE Win32/Ficker Stealer Activity M3

  • Arkei Stealer Payload 7 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mixsix_20211021-213834.exe
    "C:\Users\Admin\AppData\Local\Temp\mixsix_20211021-213834.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\mixsix_20211021-213834.exe
      "C:\Users\Admin\AppData\Local\Temp\mixsix_20211021-213834.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Users\Admin\AppData\Local\Temp\1634855100723.exe
        "C:\Users\Admin\AppData\Local\Temp\1634855100723.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Users\Admin\AppData\Roaming\HVYtube\hvytube.exe
          "C:\Users\Admin\AppData\Roaming\HVYtube\hvytube.exe"
          4⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:1480
      • C:\Users\Admin\AppData\Local\Temp\1634855100832.exe
        "C:\Users\Admin\AppData\Local\Temp\1634855100832.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1296
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1296 -s 760
          4⤵
          • Loads dropped DLL
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1844

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1634855100723.exe
    MD5

    07c4277b0278cafddb023934c154cc56

    SHA1

    8fc547689272aa2f26e5721264d4260caae499c0

    SHA256

    9d8a5319cffb73b9a8fd90118e60a6e3cf632c44bf754566c00cd02123efadd8

    SHA512

    21276a78dfe0316fa7212791110d42971d3a9c6981be2ab33ac078d40782c0c2584d9695c0280617884922f99cb9a13b6106b9d78f0e61cd84627e04c0c10678

  • C:\Users\Admin\AppData\Local\Temp\1634855100723.exe
    MD5

    07c4277b0278cafddb023934c154cc56

    SHA1

    8fc547689272aa2f26e5721264d4260caae499c0

    SHA256

    9d8a5319cffb73b9a8fd90118e60a6e3cf632c44bf754566c00cd02123efadd8

    SHA512

    21276a78dfe0316fa7212791110d42971d3a9c6981be2ab33ac078d40782c0c2584d9695c0280617884922f99cb9a13b6106b9d78f0e61cd84627e04c0c10678

  • C:\Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • C:\Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • C:\Users\Admin\AppData\Roaming\HVYtube\hvytube.exe
    MD5

    07c4277b0278cafddb023934c154cc56

    SHA1

    8fc547689272aa2f26e5721264d4260caae499c0

    SHA256

    9d8a5319cffb73b9a8fd90118e60a6e3cf632c44bf754566c00cd02123efadd8

    SHA512

    21276a78dfe0316fa7212791110d42971d3a9c6981be2ab33ac078d40782c0c2584d9695c0280617884922f99cb9a13b6106b9d78f0e61cd84627e04c0c10678

  • C:\Users\Admin\AppData\Roaming\HVYtube\hvytube.exe
    MD5

    07c4277b0278cafddb023934c154cc56

    SHA1

    8fc547689272aa2f26e5721264d4260caae499c0

    SHA256

    9d8a5319cffb73b9a8fd90118e60a6e3cf632c44bf754566c00cd02123efadd8

    SHA512

    21276a78dfe0316fa7212791110d42971d3a9c6981be2ab33ac078d40782c0c2584d9695c0280617884922f99cb9a13b6106b9d78f0e61cd84627e04c0c10678

  • \Users\Admin\AppData\Local\Temp\1634855100723.exe
    MD5

    07c4277b0278cafddb023934c154cc56

    SHA1

    8fc547689272aa2f26e5721264d4260caae499c0

    SHA256

    9d8a5319cffb73b9a8fd90118e60a6e3cf632c44bf754566c00cd02123efadd8

    SHA512

    21276a78dfe0316fa7212791110d42971d3a9c6981be2ab33ac078d40782c0c2584d9695c0280617884922f99cb9a13b6106b9d78f0e61cd84627e04c0c10678

  • \Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • \Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • \Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • \Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • \Users\Admin\AppData\Local\Temp\1634855100832.exe
    MD5

    4bb65548f890bed129c141c3c04fc8c4

    SHA1

    39257aa791e39dd40a79d1c33c35c30010a98e0d

    SHA256

    681dd3210d7550268f684628dd7946349ac3a97a6331c5567241a4caf4d7987c

    SHA512

    48cf64f34f25fb2bff641c54cc1a777c64f13890f0d4bb812758479ff876ae8a9d1edc6eb7da5ed0a1e5a22166bfe4366367d329bb65150d0430458447467587

  • \Users\Admin\AppData\Roaming\HVYtube\hvytube.exe
    MD5

    07c4277b0278cafddb023934c154cc56

    SHA1

    8fc547689272aa2f26e5721264d4260caae499c0

    SHA256

    9d8a5319cffb73b9a8fd90118e60a6e3cf632c44bf754566c00cd02123efadd8

    SHA512

    21276a78dfe0316fa7212791110d42971d3a9c6981be2ab33ac078d40782c0c2584d9695c0280617884922f99cb9a13b6106b9d78f0e61cd84627e04c0c10678

  • memory/920-59-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/920-55-0x0000000000401480-mapping.dmp
  • memory/920-56-0x0000000076201000-0x0000000076203000-memory.dmp
    Filesize

    8KB

  • memory/920-54-0x0000000000400000-0x000000000044F000-memory.dmp
    Filesize

    316KB

  • memory/1204-61-0x0000000000000000-mapping.dmp
  • memory/1204-69-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
    Filesize

    4KB

  • memory/1228-57-0x0000000000230000-0x0000000000258000-memory.dmp
    Filesize

    160KB

  • memory/1228-58-0x0000000000260000-0x00000000002A7000-memory.dmp
    Filesize

    284KB

  • memory/1296-65-0x0000000000000000-mapping.dmp
  • memory/1480-91-0x0000000005D80000-0x0000000005E0F000-memory.dmp
    Filesize

    572KB

  • memory/1480-88-0x0000000005BA0000-0x0000000005C5A000-memory.dmp
    Filesize

    744KB

  • memory/1480-95-0x0000000006910000-0x00000000069B0000-memory.dmp
    Filesize

    640KB

  • memory/1480-82-0x00000000012B0000-0x00000000012B1000-memory.dmp
    Filesize

    4KB

  • memory/1480-85-0x00000000003E0000-0x00000000003E6000-memory.dmp
    Filesize

    24KB

  • memory/1480-86-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
    Filesize

    4KB

  • memory/1480-87-0x00000000057D0000-0x00000000058A7000-memory.dmp
    Filesize

    860KB

  • memory/1480-79-0x0000000000000000-mapping.dmp
  • memory/1480-89-0x0000000000B00000-0x0000000000B05000-memory.dmp
    Filesize

    20KB

  • memory/1480-90-0x0000000000B70000-0x0000000000B76000-memory.dmp
    Filesize

    24KB

  • memory/1480-94-0x0000000001210000-0x0000000001211000-memory.dmp
    Filesize

    4KB

  • memory/1480-92-0x0000000000E00000-0x0000000000E01000-memory.dmp
    Filesize

    4KB

  • memory/1480-93-0x0000000000E20000-0x0000000000E21000-memory.dmp
    Filesize

    4KB

  • memory/1844-76-0x0000000000300000-0x0000000000301000-memory.dmp
    Filesize

    4KB

  • memory/1844-71-0x0000000000000000-mapping.dmp