Overview

overview

10

Static

static

DOCADJDELP...05.exe

windows7_x64

10

DOCADJDELP...05.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 21:20

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General

  • Target

    DOCADJDELPROCEFRAUFISC346340003 DOCADJDELPROCEFRAUFISC346340005.exe

  • Size

    1003KB

  • MD5

    73fe7532d75c146f45f2d09ad844d573

  • SHA1

    b982e7b808b140625cc1af5b5d093f03b0b44ce3

  • SHA256

    08f234ec292a6a493c9c3e21cf1a08a91899bc929de74ed1a833a42da0891bb9

  • SHA512

    b930b35292abba797900234f4e5a0a9b1f340e072a9af646fc2dce876fd5757b2bba6fca218e2fe5c7487757880ccfe71a1d624067903ebe833334811cb0dd34

Score
10/10
remcosrat

Malware Config

Extracted

Family

remcos

C2

yuyitosjs.duckdns.org:1717

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCADJDELPROCEFRAUFISC346340003 DOCADJDELPROCEFRAUFISC346340005.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCADJDELPROCEFRAUFISC346340003 DOCADJDELPROCEFRAUFISC346340005.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fDecVP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA11F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA11F.tmp
    MD5

    3e60964bfa68fed3f557336a3285b08b

    SHA1

    62da84e6dd81a857820adcd5be6e9a5eafb234ec

    SHA256

    711a5eeaa6355b6bdf5cf43e6ff59b865e63351b4ad79ae0a64445729fec60a0

    SHA512

    71b113470b78229d22987d58f2ffabe74d00a4b513ec0b2cb0077ce3d24ff466e4cd7ae06a4e51736fe092db0636d09d461455f993dedb6764f4c946abf31a12

    Download Submit
  • memory/360-65-0x0000000000000000-mapping.dmp
    Download
  • memory/1872-67-0x0000000000400000-0x0000000000421000-memory.dmp
    Filesize

    132KB

    Download
  • memory/1872-68-0x0000000000413E54-mapping.dmp
    Download
  • memory/1872-69-0x0000000075161000-0x0000000075163000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1872-70-0x0000000000400000-0x0000000000421000-memory.dmp
    Filesize

    132KB

    Download
  • memory/1888-59-0x0000000000B20000-0x0000000000B21000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1888-61-0x0000000005060000-0x0000000005061000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1888-62-0x0000000000270000-0x000000000027E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/1888-63-0x0000000007FB0000-0x000000000807A000-memory.dmp
    Filesize

    808KB

    Download
  • memory/1888-64-0x00000000050F0000-0x0000000005172000-memory.dmp
    Filesize

    520KB

    Download