Analysis
- max time kernel
94s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
21/02/2024, 03:57
General
- Target b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe
- Size 639KB
- Sample240221-ehyp3abf38
- SHA256 b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
tzitziklishop3.ddns.net:1663
-
fbf9faaf-f2bf-43ae-91ec-07031d9e9f20
-
activate_away_mode
true
-
backup_connection_host
tzitziklishop3.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2023-11-24T23:15:19.996809436Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1663
-
default_group
NEW JOY
-
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
fbf9faaf-f2bf-43ae-91ec-07031d9e9f20
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
tzitziklishop3.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
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 12 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe"C:\Users\Admin\AppData\Local\Temp\b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.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
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp71D4.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp730E.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541.exe.log
__PSScriptPolicyTest_sn1x3lh5.xle.ps1
tmp71D4.tmp
tmp730E.tmp
memory/436-69-0x0000000007940000-0x0000000007954000-memory.dmp
memory/436-31-0x0000000005DA0000-0x0000000005E06000-memory.dmp
memory/436-74-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/436-71-0x0000000007A20000-0x0000000007A28000-memory.dmp
memory/436-70-0x0000000007A40000-0x0000000007A5A000-memory.dmp
memory/436-68-0x0000000007930000-0x000000000793E000-memory.dmp
memory/436-67-0x0000000007900000-0x0000000007911000-memory.dmp
memory/436-47-0x000000007FCC0000-0x000000007FCD0000-memory.dmp
memory/436-64-0x0000000007770000-0x000000000777A000-memory.dmp
memory/436-63-0x0000000007700000-0x000000000771A000-memory.dmp
memory/436-62-0x0000000007D40000-0x00000000083BA000-memory.dmp
memory/436-60-0x0000000004FC0000-0x0000000004FD0000-memory.dmp
memory/436-16-0x0000000004E30000-0x0000000004E66000-memory.dmp
memory/436-18-0x0000000004FC0000-0x0000000004FD0000-memory.dmp
memory/436-19-0x0000000005600000-0x0000000005C28000-memory.dmp
memory/436-23-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/436-24-0x0000000005C90000-0x0000000005CB2000-memory.dmp
memory/436-25-0x0000000005D30000-0x0000000005D96000-memory.dmp
memory/436-46-0x00000000069A0000-0x00000000069D2000-memory.dmp
memory/436-61-0x00000000075C0000-0x0000000007663000-memory.dmp
memory/436-57-0x0000000004FC0000-0x0000000004FD0000-memory.dmp
memory/436-39-0x0000000006020000-0x0000000006374000-memory.dmp
memory/436-59-0x00000000069E0000-0x00000000069FE000-memory.dmp
memory/436-48-0x0000000071240000-0x000000007128C000-memory.dmp
memory/436-65-0x0000000007980000-0x0000000007A16000-memory.dmp
memory/436-44-0x00000000063D0000-0x00000000063EE000-memory.dmp
memory/436-45-0x0000000006480000-0x00000000064CC000-memory.dmp
memory/1144-7-0x0000000004F90000-0x0000000004F9E000-memory.dmp
memory/1144-0-0x0000000000390000-0x0000000000434000-memory.dmp
memory/1144-6-0x0000000004F70000-0x0000000004F90000-memory.dmp
memory/1144-9-0x00000000068B0000-0x000000000692A000-memory.dmp
memory/1144-1-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/1144-2-0x0000000005390000-0x0000000005934000-memory.dmp
memory/1144-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp
memory/1144-8-0x0000000004FB0000-0x0000000004FC2000-memory.dmp
memory/1144-15-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/1144-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp
memory/1144-4-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
memory/1144-10-0x0000000008FA0000-0x000000000903C000-memory.dmp
memory/4932-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4932-80-0x0000000006BB0000-0x0000000006BBC000-memory.dmp
memory/4932-14-0x0000000075290000-0x0000000075A40000-memory.dmp
memory/4932-81-0x0000000006BC0000-0x0000000006BCE000-memory.dmp
memory/4932-76-0x0000000006B50000-0x0000000006B62000-memory.dmp
memory/4932-42-0x00000000056A0000-0x00000000056BE000-memory.dmp
memory/4932-17-0x0000000005180000-0x0000000005190000-memory.dmp
memory/4932-78-0x0000000006B90000-0x0000000006B9E000-memory.dmp
memory/4932-43-0x00000000063F0000-0x00000000063FA000-memory.dmp
memory/4932-77-0x0000000006B60000-0x0000000006B7A000-memory.dmp
memory/4932-41-0x0000000005410000-0x000000000541A000-memory.dmp
memory/4932-79-0x0000000006BA0000-0x0000000006BB2000-memory.dmp
memory/4932-82-0x0000000006BD0000-0x0000000006BE4000-memory.dmp
memory/4932-83-0x0000000006BE0000-0x0000000006BF0000-memory.dmp
memory/4932-84-0x0000000006C00000-0x0000000006C14000-memory.dmp
memory/4932-85-0x0000000006C20000-0x0000000006C2E000-memory.dmp
memory/4932-86-0x0000000006C30000-0x0000000006C5E000-memory.dmp
memory/4932-87-0x0000000006C70000-0x0000000006C84000-memory.dmp
memory/4932-94-0x0000000075290000-0x0000000075A40000-memory.dmp