Analysis
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max time kernel
56s -
max time network
150s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
22-09-2022 19:15
Static task
static1
General
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Target
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe
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Size
858KB
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MD5
c143cac623fbf082adedd43cad691a69
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SHA1
62bd3d43d6e897922cf557d4e40f7d6d9035a4bf
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SHA256
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf
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SHA512
78a7bae0db2019ccd712dd0168bc5784d26f87929fece225f36d4f729862183a3df61bbd01160bbdbb9630c5d4eb49910f3402ea7489ad23144b8f1f270cd21d
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SSDEEP
12288:w6DPRU35pZSzykCdUnbLFuR+EPlKz3Kf1GaIOoLm9QQK95s:4eOFdUnf0Jt8iMJVIJ
Malware Config
Extracted
nanocore
1.2.2.0
jasonbourne.bounceme.net:4032
127.0.0.1:4032
9c6d4c8a-884b-4287-8ce0-7edf4a237b07
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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
2022-06-24T09:47:26.371156736Z
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bypass_user_account_control
false
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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
4032
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default_group
X File
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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
9c6d4c8a-884b-4287-8ce0-7edf4a237b07
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
jasonbourne.bounceme.net
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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
false
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe" 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exedescription pid process target process PID 3068 set thread context of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Drops file in Program Files directory 2 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exedescription ioc process File created C:\Program Files (x86)\UDP Subsystem\udpss.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe File opened for modification C:\Program Files (x86)\UDP Subsystem\udpss.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3920 schtasks.exe 2096 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exepid process 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exepid process 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exedescription pid process Token: SeDebugPrivilege 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exedescription pid process target process PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 3068 wrote to memory of 2828 3068 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe PID 2828 wrote to memory of 3920 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe schtasks.exe PID 2828 wrote to memory of 3920 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe schtasks.exe PID 2828 wrote to memory of 3920 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe schtasks.exe PID 2828 wrote to memory of 2096 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe schtasks.exe PID 2828 wrote to memory of 2096 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe schtasks.exe PID 2828 wrote to memory of 2096 2828 3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe"C:\Users\Admin\AppData\Local\Temp\3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe"C:\Users\Admin\AppData\Local\Temp\3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.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
PID:2828 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1712.tmp"3⤵
- Creates scheduled task(s)
PID:3920 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp182C.tmp"3⤵
- Creates scheduled task(s)
PID:2096
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3a542858ddb263f3b60a1c7340d508e7f392443e9ee8521d0c9e4a8289173fdf.exe.log
Filesize1KB
MD512557ab909651a6f99d3503d614d3562
SHA1b86745768059a514bea3a438e1e96086af463246
SHA2569589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd
SHA51210cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521
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Filesize
1KB
MD51140369eaae6a6acd3f5f74c52f129b4
SHA1675d96752d2b193ea47e1b02e7b01ce85a3fdb28
SHA256776b8f12740bc23671afa56bc7601c8e848357e807b51062a4fc1123d9d79ab0
SHA51214d7b469e94c62abf5590d24a2c443ad10944c7012ba617c773e92883b4cf601e53edee367fcc479eb269599459938195dc92bc90629f550d70cc995c683cf59
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Filesize
1KB
MD5c4aecdef99eba873119e79616df3f4b0
SHA1b1b3af52655fb633eed909dfed05b64fbbfac37c
SHA25624fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b
SHA512e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4