Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 12:57

General

  • Target

    2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe

  • Size

    688KB

  • MD5

    2a110c6a0f5d8af23efceeec5c927f43

  • SHA1

    aecbe878527be46685f2fed4484b7a5e7a34dde1

  • SHA256

    55a906332245dd0fbb4f3e752a715a0bb3ba28eabf8cb90397abaa501e26f84b

  • SHA512

    684dc15151ed96401286a14997b828ffd0d294774c817d039ab93c40b91ef0f730c45d29b5b92ae8b04489ec207f2b1f7e22fc46ef19e116e61abb4c195f1dca

  • SSDEEP

    6144:qQ+ADYeKtFPrg/2S+umv9q8JyLnt8y0Tu7PTnmaey2EbTFPtjdyQeGBY0/DLnvTL:qQXYPcOvq881pBdWOH1RO+TDzW7+vD

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

timmy44.ddns.net:19225

timmy55.ddns.net:19225

Mutex

37bab367-b464-4956-8ff4-0bec35943b01

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    timmy55.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-06-21T11:00:31.986306236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    19225

  • default_group

    SPTEMBER 2018 02

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    37bab367-b464-4956-8ff4-0bec35943b01

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    timmy44.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Detect ZGRat V1 1 IoCs
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2a110c6a0f5d8af23efceeec5c927f43_JaffaCakes118.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1724-13-0x0000000074820000-0x0000000074FD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1724-1-0x0000000000650000-0x0000000000702000-memory.dmp
    Filesize

    712KB

  • memory/1724-2-0x00000000056B0000-0x0000000005C54000-memory.dmp
    Filesize

    5.6MB

  • memory/1724-3-0x0000000005100000-0x0000000005192000-memory.dmp
    Filesize

    584KB

  • memory/1724-4-0x0000000005090000-0x00000000050C8000-memory.dmp
    Filesize

    224KB

  • memory/1724-5-0x00000000050C0000-0x00000000050C6000-memory.dmp
    Filesize

    24KB

  • memory/1724-6-0x0000000004B10000-0x0000000004B1A000-memory.dmp
    Filesize

    40KB

  • memory/1724-7-0x0000000074820000-0x0000000074FD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1724-8-0x0000000008780000-0x000000000881C000-memory.dmp
    Filesize

    624KB

  • memory/1724-9-0x000000007482E000-0x000000007482F000-memory.dmp
    Filesize

    4KB

  • memory/1724-0-0x000000007482E000-0x000000007482F000-memory.dmp
    Filesize

    4KB

  • memory/1732-10-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/1732-14-0x0000000074820000-0x0000000074FD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1732-15-0x0000000074820000-0x0000000074FD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1732-18-0x0000000005630000-0x000000000563A000-memory.dmp
    Filesize

    40KB

  • memory/1732-19-0x0000000006370000-0x000000000638E000-memory.dmp
    Filesize

    120KB

  • memory/1732-20-0x0000000006490000-0x000000000649A000-memory.dmp
    Filesize

    40KB

  • memory/1732-21-0x0000000074820000-0x0000000074FD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1732-22-0x0000000074820000-0x0000000074FD0000-memory.dmp
    Filesize

    7.7MB