Overview

overview

10

Static

static

1

8933cf5ca2...57.exe

windows7-x64

10

8933cf5ca2...57.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 03:49

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General

  • Target

    8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe

  • Size

    4.5MB

  • MD5

    d9554bbc5c3af0897cf964bfc05a25ee

  • SHA1

    dc7d515a4c955d50b6f33672428435e7eecf68b6

  • SHA256

    8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857

  • SHA512

    563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708

  • SSDEEP

    98304:J+pInoZjT50eNzIWXNYrDPARZ2L7h2XvkKjTPeLcDvt6mUE7iaLGtBHCql+jWh7g:oGU+eN1NIDY/Y3KjTeCV6m9/LGFl+

Score
10/10
fatalratinfostealerrat

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

    infostealerratfatalrat
  • Fatal Rat payload 1 IoCs
    ratinfostealer
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe
    "C:\Users\Admin\AppData\Local\Temp\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe
      "C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Program Files\MSXML 6.18\Lospensdkm.exe
    Filesize

    4.5MB

    MD5

    d9554bbc5c3af0897cf964bfc05a25ee

    SHA1

    dc7d515a4c955d50b6f33672428435e7eecf68b6

    SHA256

    8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857

    SHA512

    563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708

    Download Submit
  • C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe
    Filesize

    4.5MB

    MD5

    d9554bbc5c3af0897cf964bfc05a25ee

    SHA1

    dc7d515a4c955d50b6f33672428435e7eecf68b6

    SHA256

    8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857

    SHA512

    563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708

    Download Submit
  • C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe
    Filesize

    4.5MB

    MD5

    d9554bbc5c3af0897cf964bfc05a25ee

    SHA1

    dc7d515a4c955d50b6f33672428435e7eecf68b6

    SHA256

    8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857

    SHA512

    563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708

    Download Submit
  • C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe
    Filesize

    4.5MB

    MD5

    d9554bbc5c3af0897cf964bfc05a25ee

    SHA1

    dc7d515a4c955d50b6f33672428435e7eecf68b6

    SHA256

    8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857

    SHA512

    563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708

    Download Submit
  • memory/4300-133-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4300-135-0x000000007FA70000-0x000000007FE41000-memory.dmp
    Filesize

    3.8MB

    Download
  • memory/4300-136-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4300-137-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4300-138-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4300-139-0x0000000010000000-0x000000001002A000-memory.dmp
    Filesize

    168KB

    Download
  • memory/4300-144-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4300-157-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-160-0x000000007FA70000-0x000000007FE41000-memory.dmp
    Filesize

    3.8MB

    Download
  • memory/4768-161-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-167-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-168-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-169-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-170-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-171-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-172-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-173-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-174-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-175-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-176-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-177-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download
  • memory/4768-178-0x0000000000400000-0x00000000018E7000-memory.dmp
    Filesize

    20.9MB

    Download