Analysis
-
max time kernel
142s -
max time network
196s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
21-10-2022 07:17
Static task
static1
Behavioral task
behavioral1
Sample
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
Resource
win7-20220812-en
General
-
Target
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe
-
Size
788KB
-
MD5
13f3895c5959682a0d364fe152ac900c
-
SHA1
4c005dfea4568ac4439a24207c179d07b7852bb5
-
SHA256
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489
-
SHA512
350b54425b3bdc214fe7f16453edeafb135969c77075650b1a804eb2161c85bcf06d894857ac4900c547159c9df6602a2ac931102c825c81f14aa27fb648dfe1
-
SSDEEP
24576:IdtP2cbksTpugRNJI5kFMJF9OWjwjLz3B:hgq8
Malware Config
Extracted
nanocore
1.2.2.0
91.236.116.142:5888
d995ed82-bf13-4043-b564-f5f89f8c5209
-
activate_away_mode
true
-
backup_connection_host
91.236.116.142
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2017-01-07T03:01:54.729778636Z
-
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
5888
-
default_group
Spy
-
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
d995ed82-bf13-4043-b564-f5f89f8c5209
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
91.236.116.142
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
app.exepid process 1264 app.exe -
Loads dropped DLL 1 IoCs
Processes:
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exepid process 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe" 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
app.exedescription pid process target process PID 1264 set thread context of 1708 1264 app.exe aspnet_compiler.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exeapp.exeaspnet_compiler.exepid process 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe 1264 app.exe 1264 app.exe 1264 app.exe 1264 app.exe 1264 app.exe 1264 app.exe 1708 aspnet_compiler.exe 1708 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exeapp.exeaspnet_compiler.exedescription pid process Token: SeDebugPrivilege 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe Token: SeDebugPrivilege 1264 app.exe Token: SeDebugPrivilege 1708 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exeapp.exeaspnet_compiler.exedescription pid process target process PID 904 wrote to memory of 1264 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe app.exe PID 904 wrote to memory of 1264 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe app.exe PID 904 wrote to memory of 1264 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe app.exe PID 904 wrote to memory of 1264 904 976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe app.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1264 wrote to memory of 1708 1264 app.exe aspnet_compiler.exe PID 1708 wrote to memory of 1476 1708 aspnet_compiler.exe schtasks.exe PID 1708 wrote to memory of 1476 1708 aspnet_compiler.exe schtasks.exe PID 1708 wrote to memory of 1476 1708 aspnet_compiler.exe schtasks.exe PID 1708 wrote to memory of 1476 1708 aspnet_compiler.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe"C:\Users\Admin\AppData\Local\Temp\976942aad93c4bcc20016400094ed1bb79a9bfb56fa72c94e15df3be9b8fa489.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Users\Admin\AppData\Roaming\app.exe"C:\Users\Admin\AppData\Roaming\app.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5996.tmp"4⤵
- Creates scheduled task(s)
PID:1476
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize340B
MD5f80ea1bebb6b5502ef40ffa28c627b7d
SHA15afd7a4cf8356883a4e425b261f7c9d9a3f62941
SHA256c1fad8da321ee95b1e107b764f9b3fa4a8fcf8855f24151e06246741935f9af5
SHA5128604e7c5068ef89199a480c3db09cd64ac6ad83195da41ba2e507b0540480b9b4116d7e04d289a5f0a90a285041560c57bed0ddbe5ff5947719a4987f59202d6
-
Filesize
1KB
MD5d81eb43d26d4511c44151cba2eb45983
SHA1135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a
SHA256a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0
SHA512b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721
-
Filesize
794KB
MD5fa3df4f0fc6e0e0ebb40c15ec14dc4cf
SHA1a4bb2c3470010e7e4d18779d04a64c16f9d3ae1a
SHA2566e236dd821ef9406608aaba4428ce828dc45b2043adbcd34db11694835f5e162
SHA512533f7ccccd28581be1126074777a20de50e6c0f83e54d343de302a91d112d341052c075b9a27e3f2bb4f0398c74932911a9fdbb9c1b2e63c19eee7610c238cb1
-
Filesize
794KB
MD5fa3df4f0fc6e0e0ebb40c15ec14dc4cf
SHA1a4bb2c3470010e7e4d18779d04a64c16f9d3ae1a
SHA2566e236dd821ef9406608aaba4428ce828dc45b2043adbcd34db11694835f5e162
SHA512533f7ccccd28581be1126074777a20de50e6c0f83e54d343de302a91d112d341052c075b9a27e3f2bb4f0398c74932911a9fdbb9c1b2e63c19eee7610c238cb1
-
Filesize
794KB
MD5fa3df4f0fc6e0e0ebb40c15ec14dc4cf
SHA1a4bb2c3470010e7e4d18779d04a64c16f9d3ae1a
SHA2566e236dd821ef9406608aaba4428ce828dc45b2043adbcd34db11694835f5e162
SHA512533f7ccccd28581be1126074777a20de50e6c0f83e54d343de302a91d112d341052c075b9a27e3f2bb4f0398c74932911a9fdbb9c1b2e63c19eee7610c238cb1