Analysis
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max time kernel
118s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
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submitted
21-07-2024 08:40
General
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Target
79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe
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Size
2.2MB
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MD5
ebb76f0ad42d838df23137b3321d79ff
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SHA1
946ea76180d53a3049ea7a3b07403ee628b9fac2
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SHA256
79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023
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SHA512
6ae67476a9442ab9b81765e5fd2a43f68f90139568494eac590a95763ba4ed92281994b63a4ad54e0a79c7149550a3bbf329705fa8537847343c148dfdaf61a3
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SSDEEP
49152:G+78xSwy+c0Hq9rm2ZHosBnsKXdniYM48E/pa/ZOovp/:Gs8xAJ0K95HBdlM1yQxOoB
Malware Config
Extracted
nanocore
1.2.2.0
e-businessloader.mywire.org:5230
127.0.0.1:5230
0be0e5d9-4209-4f88-b4fe-27e7b678a0b5
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-03-16T21:32:38.702958636Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
5230
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default_group
e-business
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
0be0e5d9-4209-4f88-b4fe-27e7b678a0b5
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
e-businessloader.mywire.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 5 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 15 IoCs
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Suspicious use of FindShellTrayWindow 26 IoCs
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Suspicious use of SendNotifyMessage 17 IoCs
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Suspicious use of WriteProcessMemory 37 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe"C:\Users\Admin\AppData\Local\Temp\79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\START UP56571 HVNCmultipleonlinegahiddenzonline.organiccrap.com.exe"C:\Users\Admin\AppData\Local\Temp\START UP56571 HVNCmultipleonlinegahiddenzonline.organiccrap.com.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\ctfmon.exectfmon.exe4⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "%FileName%" /tr '"C:\Users\Admin\AppData\Local\Temp\%PathName%\%FileName%"' & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "%FileName%" /tr '"C:\Users\Admin\AppData\Local\Temp\%PathName%\%FileName%"'5⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe"C:\Users\Admin\AppData\Local\Temp\79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
81KB
MD59b29882a89479f767da3b09801923161
SHA12bd104943d235848840e77a36fb008f81525fc56
SHA256618bb7302570fb60d0710fbdc2123c5c0f969615587652722e4385fa0b5ed966
SHA512a59240907aa2a12d0d2693f9c8c32a0e4df43d1f7cd5df7d4df5dccf376a618ab280bb8d97a42b3743114710e8a784bea9f0a682b14135fc83b0cdd5c7468b06
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Filesize
80KB
-
Filesize
80KB
-
Filesize
64KB
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Filesize
104KB
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Filesize
56KB
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Filesize
56KB
-
Filesize
56KB
-
Filesize
72KB
-
Filesize
48KB
-
Filesize
224KB
-
Filesize
184KB
-
Filesize
40KB
-
Filesize
80KB
-
Filesize
48KB
-
Filesize
40KB
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Filesize
120KB
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Filesize
104KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
104KB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
304KB
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Filesize
536KB
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Filesize
2.3MB
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Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
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Filesize
2.3MB
-
Filesize
2.3MB
-
Filesize
2.3MB
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Filesize
6.9MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
336KB
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Filesize
6.9MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
4KB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
-
Filesize
2.3MB
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Filesize
2.3MB
-
Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
2.3MB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
2.2MB