Analysis

  • max time kernel
    107s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 20:02

General

  • Target

    15e6099dffcffe39a6311b3f00d1462614efb714621392f2350c21b2efc4d71cN.exe

  • Size

    140KB

  • MD5

    1641e822ff2521dbf344db79f0267b90

  • SHA1

    c25e28ba0dd376ceeab2cb2b959be8babc645190

  • SHA256

    15e6099dffcffe39a6311b3f00d1462614efb714621392f2350c21b2efc4d71c

  • SHA512

    0347b1cf5ebcf64bb7ca81c249c026219541669a25aa6f5a1f876f49185237460b14a820dd482be24ead26b6243d0ed4f74b6273ddffe0ee7d523a3115e6803b

  • SSDEEP

    1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkrP:x29DkEGRQixVSjLa130BYgjmy9T7P

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15e6099dffcffe39a6311b3f00d1462614efb714621392f2350c21b2efc4d71cN.exe
    "C:\Users\Admin\AppData\Local\Temp\15e6099dffcffe39a6311b3f00d1462614efb714621392f2350c21b2efc4d71cN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2216
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15e6099dffcffe39a6311b3f00d1462614efb714621392f2350c21b2efc4d71cN.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    140KB

    MD5

    776821aca820c3b7ccd9ca0da109b484

    SHA1

    59aa5331d22c777a50bba881e89d3d1d941069bc

    SHA256

    e3ddc83a87caa469b5c15f2c3019b34d05472cd51a97940bf756cfd8449016ad

    SHA512

    748dafdda041f639c0d1d0c177c871c45dbde393ae9667611dae565743fef608a4189a0e01a134c5c0d29b366eb0e6b605a76c3b75206beacbe4e71549a74e84

  • memory/2216-13-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2440-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2440-6-0x00000000001C0000-0x00000000001E5000-memory.dmp

    Filesize

    148KB

  • memory/2440-11-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2440-12-0x00000000001C0000-0x00000000001E5000-memory.dmp

    Filesize

    148KB

  • memory/2440-14-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB