Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2022 16:20

General

  • Target

    46f93ddbac62282be9a1c50c45fc47af.exe

  • Size

    880KB

  • MD5

    46f93ddbac62282be9a1c50c45fc47af

  • SHA1

    fd33afba3b59b797a44916b55f5edc66b4550679

  • SHA256

    4a006f30188cebe843f8f979bbb0bd3c1808bb8bc46f9e2dbbec566d1e0e9e6b

  • SHA512

    89ea18de5c201acd10b0256733671ccdab52c9d9c7f0c6d0e635a2a08bffac95501b77739edeaa71a2b08d39b149661cc4cf268b67ee0edeb617caa84d7c6e5c

  • SSDEEP

    12288:58eSvB7/el8Z5GW8mnMBtZIHEDmpuWqV1bCBW5twGw9/:5M1eOWt+kDOub1GBW5twt9/

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

rolandlandson149.bounceme.net:1007

127.0.0.1:1007

Attributes
activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-13T20:58:05.824762936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1007
default_group
sepTmAn
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
48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
rolandlandson149.bounceme.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

  • NanoCore

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

  • 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
  • Creates scheduled task(s) ⋅ 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses ⋅ 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam ⋅ 1 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 1 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe
    "C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe"
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe
      "C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe"
      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
      Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD48F.tmp"
        Creates scheduled task(s)
        PID:1128
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD5B8.tmp"
        Creates scheduled task(s)
        PID:1940

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation

                    Replay Monitor

                    00:00 00:00

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\tmpD48F.tmp
                      MD5

                      06f19a531502f7c18e0e845e9378115e

                      SHA1

                      61392960eeefb9048ab40806b73180abe52effa4

                      SHA256

                      d84aeda36d3a02bc747dda659a9e3b0d2e0b8d500b2a8fb7de23863d7d6f10e5

                      SHA512

                      499cee0a456bdae39473155da1ba6c42bd3b32c28cc53f40a3e52e391345feafe0c0bbe509dca17d9c655754061df580d90b921f9f137f06ce15acd1a233550e

                    • C:\Users\Admin\AppData\Local\Temp\tmpD5B8.tmp
                      MD5

                      885d6dd30570594e167fadb59d9ca0ea

                      SHA1

                      9981e583644c4eb9cf5056615a0e1c2913c8983b

                      SHA256

                      7155bc082d1713d77c2797575ee0ade8467fb7012f5376c1d6f4aa618141a7d2

                      SHA512

                      1623218143c2c25a7c85fa9da8e0f251f04a5eb848c4d0aa10bfb78688518b82393a2b3c7f287a9dc06a366ef9f46d0d4e2d246ad4cef4554a74c0bb6ff9dd2a

                    • memory/860-59-0x0000000000E10000-0x0000000000E4A000-memory.dmp
                    • memory/860-58-0x0000000005F40000-0x0000000005FD4000-memory.dmp
                    • memory/860-54-0x0000000001040000-0x0000000001122000-memory.dmp
                    • memory/860-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
                    • memory/860-57-0x0000000000490000-0x000000000049C000-memory.dmp
                    • memory/860-56-0x0000000000440000-0x0000000000456000-memory.dmp
                    • memory/1128-73-0x0000000000000000-mapping.dmp
                    • memory/1528-61-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-66-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-67-0x000000000041E792-mapping.dmp
                    • memory/1528-69-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-71-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-64-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-63-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-60-0x0000000000400000-0x0000000000438000-memory.dmp
                    • memory/1528-77-0x00000000005E0000-0x00000000005EA000-memory.dmp
                    • memory/1528-78-0x0000000000600000-0x000000000061E000-memory.dmp
                    • memory/1528-79-0x0000000000840000-0x000000000084A000-memory.dmp
                    • memory/1940-75-0x0000000000000000-mapping.dmp