Resubmissions

21-08-2024 19:30

240821-x76q3sweqg 10

21-08-2024 17:42

240821-v92h2avgpj 10

12-06-2024 16:01

240612-tgps4a1bqh 10

Analysis

  • max time kernel
    1799s
  • max time network
    1801s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 17:42

General

  • Target

    3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464.exe

  • Size

    41KB

  • MD5

    3e67d212278e1af5be913d236399fcf6

  • SHA1

    f993125ed4af1de6a551a6e0843a6d124cd46f27

  • SHA256

    3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464

  • SHA512

    f7e6394c9f9fdd6a03c72aaece5b4911cb821680a632f94b622b12d94cff9873d93b2c6604016524bdab4dd6e4b70b532c440f6b296138677be19e078ad23ec7

  • SSDEEP

    768:/eMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09sy:/q5VwWDjDkdTRqHFOn8tIbbeYiuZIFSl

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

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

  • Maps connected drives based on registry 3 TTPs 15 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464.exe
    "C:\Users\Admin\AppData\Local\Temp\3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\SysWOW64\smnss.exe
          C:\Windows\system32\smnss.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies registry class
          PID:1476
        • C:\Windows\SysWOW64\smnss.exe
          C:\Windows\system32\smnss.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies registry class
          PID:1620
        • C:\Windows\SysWOW64\smnss.exe
          C:\Windows\system32\smnss.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies registry class
          PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    5141984cc0f67397892f8614325a5c3e

    SHA1

    7a512c2ad133f0d8ee56ed299d06636febba63c7

    SHA256

    32acc9aae6be1221c6ef11c4008837a862fbbe3cd6da5985f928bcf9e4694f53

    SHA512

    3fabf2cf4872da83b00dd88cbbb1f7786305df943809a2dad15b64243668c81c949784bcbf8e1c7688ac24e189da0f3bdac7e0e6f5bf1bc03b1104dfeb0548ea

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    e2d21fa8807abc1dbe27502d88231f75

    SHA1

    9d480b02068261c02f338e53a382f4d53ada7674

    SHA256

    17eb0644ac370747df279a39752d5a6578d2d2368cbdafe72992746ff84a235b

    SHA512

    fa292536fefd03e45c6d30b2cdce265a3e1f270343aabb60d4eb5490ff945ce2e1547d134dd04a2cfadd8764dd987366c35eb9c270d2e7d62fcdaf8d4bd1f3f7

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    b73da2077cc8ecae70b3ea5a118576da

    SHA1

    37e6ec2aa059ac9584dc6ed68bcf1c3cc150f43f

    SHA256

    dbe5513706dc430c245023b8965f3a27c4a8c5aa5f423057c53084258f8c365b

    SHA512

    393180b4f05dd43989646e8b8997e2742b80d773ceba48c3c3ae97f9284cf803883df143da4b2b52763d6d320ee7327e44b524a983992a2580c709cf2e1a8ed7

  • \Windows\SysWOW64\smnss.exe

    Filesize

    41KB

    MD5

    2d23e90a34f538465965c768d5849bfc

    SHA1

    1465e9e9925281953649dddb777add8935e93cc0

    SHA256

    649e10d9120c302af731342238bf62d7cf21acfd1c463ccdf59c12953d5b1481

    SHA512

    39024314f8c1470e4e42843a627f44e4300a29ef7f7417743a593ce178921e4be1dbd28f2522049fc977381d419129cba0554a333cb1ab55b0797a536b064657

  • memory/1052-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1052-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1052-26-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1052-19-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/1052-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1476-145-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1620-248-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2764-29-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2764-31-0x0000000000320000-0x000000000033F000-memory.dmp

    Filesize

    124KB

  • memory/2764-36-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2784-70-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-88-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-48-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-50-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-62-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-64-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-66-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-68-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-45-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2784-72-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-74-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-76-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-78-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-80-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-82-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-84-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-86-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-46-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-90-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-92-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-96-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-98-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-100-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-102-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-142-0x0000000000620000-0x000000000063F000-memory.dmp

    Filesize

    124KB

  • memory/2784-44-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2784-148-0x0000000000620000-0x000000000063F000-memory.dmp

    Filesize

    124KB

  • memory/2784-245-0x0000000000620000-0x000000000063F000-memory.dmp

    Filesize

    124KB

  • memory/2784-42-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2784-251-0x0000000000620000-0x000000000063F000-memory.dmp

    Filesize

    124KB

  • memory/2784-348-0x0000000000620000-0x000000000063F000-memory.dmp

    Filesize

    124KB

  • memory/2784-354-0x0000000000620000-0x000000000063F000-memory.dmp

    Filesize

    124KB

  • memory/2840-351-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB