Analysis

  • max time kernel
    4294183s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    07-04-2022 23:38

General

  • Target

    F072-01953382-ESERMUL.exe

  • Size

    514KB

  • MD5

    c80d1be82cad6e4f19dc43403d52f458

  • SHA1

    0435a24cbc362b0e8d6dd254e001b3b6a3c1b2f6

  • SHA256

    48d338ba06ada3da080eeeddb8a267b1b677dc9c3670f13e333ec8c73ff1b02c

  • SHA512

    01265c663b2843486b0c7da565683d3edbd3fb576b212cb5977a7d190244cfdd51a3ed16c01a17dfd404376fc76cee24f0c2d227c4d9b8633e94f1271f46d7a9

Score
10/10

Malware Config

Extracted

Family

oski

C2

friktomb.cf

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
    "C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
      "C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
      2⤵
        PID:564
      • C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
        "C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 112
          3⤵
          • Program crash
          PID:1640

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1008-58-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1008-59-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1008-61-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1008-63-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1008-65-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1008-67-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1008-70-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1904-55-0x0000000000540000-0x000000000054A000-memory.dmp

      Filesize

      40KB

    • memory/1904-56-0x0000000005120000-0x000000000519A000-memory.dmp

      Filesize

      488KB

    • memory/1904-57-0x00000000021E0000-0x0000000002218000-memory.dmp

      Filesize

      224KB

    • memory/1904-54-0x0000000000B30000-0x0000000000BB6000-memory.dmp

      Filesize

      536KB