Overview

overview

10

Static

static

10

Malware-1-...30.exe

windows11-21h2-x64

10

Malware-1-...40.exe

windows11-21h2-x64

3

Malware-1-...32.exe

windows11-21h2-x64

10

Malware-1-.../5.exe

windows11-21h2-x64

10

Malware-1-...91.exe

windows11-21h2-x64

10

Malware-1-...ey.exe

windows11-21h2-x64

7

Malware-1-...ad.exe

windows11-21h2-x64

3

Malware-1-...ti.exe

windows11-21h2-x64

5

Malware-1-...an.bat

windows11-21h2-x64

7

Malware-1-...an.exe

windows11-21h2-x64

3

Malware-1-...ve.bat

windows11-21h2-x64

7

Malware-1-...ve.exe

windows11-21h2-x64

6

Malware-1-...ya.exe

windows11-21h2-x64

Malware-1-...re.exe

windows11-21h2-x64

10

Malware-1-...ry.exe

windows11-21h2-x64

10

Malware-1-...ck.exe

windows11-21h2-x64

3

Malware-1-...he.exe

windows11-21h2-x64

10

Malware-1-...op.exe

windows11-21h2-x64

7

Malware-1-...rb.exe

windows11-21h2-x64

10

Malware-1-...ue.exe

windows11-21h2-x64

1

Malware-1-...ng.exe

windows11-21h2-x64

6

Malware-1-...kt.bat

windows11-21h2-x64

7

Malware-1-...o3.exe

windows11-21h2-x64

10

Malware-1-...ey.exe

windows11-21h2-x64

10

Malware-1-.../m.exe

windows11-21h2-x64

Malware-1-...o3.exe

windows11-21h2-x64

9

Malware-1-...32.exe

windows11-21h2-x64

10

Malware-1-...nf.exe

windows11-21h2-x64

10

Malware-1-.../o.exe

windows11-21h2-x64

3

Malware-1-...B8.exe

windows11-21h2-x64

10

Malware-1-...ic.exe

windows11-21h2-x64

3

Malware-1-...in.exe

windows11-21h2-x64

10

Resubmissions

17-01-2025 20:14

250117-yz7h3s1qfw 10

17-01-2025 20:12

250117-yy9l2sslcr 10

17-01-2025 17:25

250117-vy9p9sxpez 10

17-01-2025 17:21

250117-vw8eesyjfp 10

17-01-2025 14:16

250117-rk9ass1rhk 10

17-01-2025 14:12

250117-rhv1ds1lds 10

16-01-2025 12:52

250116-p4et7a1mez 10

16-01-2025 12:50

250116-p29xjssjep 10

Analysis

  • max time kernel
    900s
  • max time network
    754s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-01-2025 12:50

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Malware-1-master/apache.exe

  • Size

    252KB

  • MD5

    8e747a4c115ac090e54dfa899c287129

  • SHA1

    a1c523ad0a2fa1b533fb752a25aa48ff1cd4e1e3

  • SHA256

    1117f585985ca4ddd03695876522f80951c919cb41db5854f013923f62285c09

  • SHA512

    049fae2cccf4e1afc79d9e72e016f27d7714ad8b747c28ec3ad520bc25ff319f12aced97d16dbbe863aaab11514a9e90477656983fd67939c0e6d2ddb93558b3

  • SSDEEP

    6144:ZcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQc:ZcWkbgTYWnYnt/IDYhPn

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

bibl1234.ddns.net:1604

Mutex

DC_MUTEX-QKPH38W

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    2PaBrGj3TwxK

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet
  • Darkcomet family
    darkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • UPX packed file 28 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe
    "C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master\apache.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3508
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\Malware-1-master" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2432
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    252KB

    MD5

    8e747a4c115ac090e54dfa899c287129

    SHA1

    a1c523ad0a2fa1b533fb752a25aa48ff1cd4e1e3

    SHA256

    1117f585985ca4ddd03695876522f80951c919cb41db5854f013923f62285c09

    SHA512

    049fae2cccf4e1afc79d9e72e016f27d7714ad8b747c28ec3ad520bc25ff319f12aced97d16dbbe863aaab11514a9e90477656983fd67939c0e6d2ddb93558b3

    Download Submit

  • memory/4656-64-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4656-1-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4656-0-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-74-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-77-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-67-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4708-66-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-68-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-69-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-70-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-71-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-73-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-63-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4708-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-76-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-65-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-78-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-79-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-80-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-81-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-82-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-83-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-84-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-86-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-89-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-97-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-101-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-103-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download

  • memory/4708-125-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

    Download