Resubmissions

24-02-2022 11:08

220224-m8v1vschc4 10

30-09-2021 12:24

210930-pk2jvahghl 10

Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-02-2022 11:08

General

  • Target

    c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe

  • Size

    216KB

  • MD5

    dab5f66a4c8f6bcbcdeb2a83c21769c5

  • SHA1

    06e8c2999917c6bc5d4b6359de3222d4379acbb9

  • SHA256

    c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143

  • SHA512

    3a02669cd6390e5c6b5e1dd8711c300790cd78419a512830325c497fad7a5864aeaac6e0622dd39ab3bd3bafad49f5ad968d0d6c24c961adb9cafb7b64869854

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe
    "C:\Users\Admin\AppData\Local\Temp\c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2044
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c0064a70b0d297c43ccc230f852c1ffac7534d58251dec497bab0e7e82f79143.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2800

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

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

    cfb1a25d5d91262a115565c150b1a4c0

    SHA1

    9506805e70bb540242090c658536087614ae587a

    SHA256

    3801407c577a9659c6be8e5e589566be8d0b536748f0fee5e23e9eb9b600d1c4

    SHA512

    286d6eabb587fb0e1179e7b4cffede3f975e5e8fd3c6ad8f085addc8868a31b794e7bf938592e3a00a51770a9f476c89455b2b63ed797a7ec3c30215a59811a6

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

    cfb1a25d5d91262a115565c150b1a4c0

    SHA1

    9506805e70bb540242090c658536087614ae587a

    SHA256

    3801407c577a9659c6be8e5e589566be8d0b536748f0fee5e23e9eb9b600d1c4

    SHA512

    286d6eabb587fb0e1179e7b4cffede3f975e5e8fd3c6ad8f085addc8868a31b794e7bf938592e3a00a51770a9f476c89455b2b63ed797a7ec3c30215a59811a6

  • memory/1800-117-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2044-118-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB