Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2023, 02:51
Static task
static1
Behavioral task
behavioral1
Sample
0c9f292df5bb12a2384a0fd2d62a363c.exe
Resource
win7-20231130-en
General
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Target
0c9f292df5bb12a2384a0fd2d62a363c.exe
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Size
595KB
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MD5
0c9f292df5bb12a2384a0fd2d62a363c
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SHA1
ccc4c864a64a4a1945eef4d36a1b3ce208173880
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SHA256
340afda65e77e299379392aa25dd7dd040d1a87e51f2249547d083a1d85641df
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SHA512
9cde74dc3cf0ffd48639f977cbde0caf9b7917431409a181567842760db425b515819961f3912ea9495f8f7c45d999026da50017333e1db9f70f8b6ee2b7a873
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SSDEEP
12288:I45+po2sccCAQVStw6wYyBeMSIUJwS+RTbfl+RRiXp2kxtK9Wd:L+pJsbCmyp0JwSjRxkxtK9u
Malware Config
Extracted
nanocore
1.2.2.0
btldinc7.sytes.net:4510
127.0.0.1:4510
8dca47d1-e2ac-4cf4-9dae-489155036caa
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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
2023-09-14T23:25:11.588272936Z
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bypass_user_account_control
false
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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+
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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
4510
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default_group
btld
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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
8dca47d1-e2ac-4cf4-9dae-489155036caa
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
btldinc7.sytes.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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Monitor = "C:\\Program Files (x86)\\ISS Monitor\\issmon.exe" 0c9f292df5bb12a2384a0fd2d62a363c.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0c9f292df5bb12a2384a0fd2d62a363c.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1668 set thread context of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\ISS Monitor\issmon.exe 0c9f292df5bb12a2384a0fd2d62a363c.exe File opened for modification C:\Program Files (x86)\ISS Monitor\issmon.exe 0c9f292df5bb12a2384a0fd2d62a363c.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 724 schtasks.exe 5100 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe Token: SeDebugPrivilege 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1668 wrote to memory of 5116 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 92 PID 1668 wrote to memory of 5116 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 92 PID 1668 wrote to memory of 5116 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 92 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 1668 wrote to memory of 3032 1668 0c9f292df5bb12a2384a0fd2d62a363c.exe 93 PID 3032 wrote to memory of 724 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 94 PID 3032 wrote to memory of 724 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 94 PID 3032 wrote to memory of 724 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 94 PID 3032 wrote to memory of 5100 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 96 PID 3032 wrote to memory of 5100 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 96 PID 3032 wrote to memory of 5100 3032 0c9f292df5bb12a2384a0fd2d62a363c.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\0c9f292df5bb12a2384a0fd2d62a363c.exe"C:\Users\Admin\AppData\Local\Temp\0c9f292df5bb12a2384a0fd2d62a363c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Temp\0c9f292df5bb12a2384a0fd2d62a363c.exe"C:\Users\Admin\AppData\Local\Temp\0c9f292df5bb12a2384a0fd2d62a363c.exe"2⤵PID:5116
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C:\Users\Admin\AppData\Local\Temp\0c9f292df5bb12a2384a0fd2d62a363c.exe"C:\Users\Admin\AppData\Local\Temp\0c9f292df5bb12a2384a0fd2d62a363c.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:3032 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ISS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp851E.tmp"3⤵
- Creates scheduled task(s)
PID:724
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ISS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp85AC.tmp"3⤵
- Creates scheduled task(s)
PID:5100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0c9f292df5bb12a2384a0fd2d62a363c.exe.log
Filesize2KB
MD593d52c1bc7c38d958583ebbd3dc09cd4
SHA14c5ee6f9c9ae190c9a0cccb91fa2257ddcb8b0d5
SHA2562905f3a06dd8907ddbcbe64389cffcc8a5273d1822e25f8bea385bdd01653c76
SHA512dfc55c3247d7734c5a531fb5a3de689e8bb823e82c14ad6cab16923d50d51e03e5e86165a7d65b3059a66b67968b611368b010a6d9f755916b01ef7b67c5228e
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Filesize
1KB
MD5ac0ac371227223993d9e0767984c655a
SHA1446780e97efe85ed278f1cbfbdca3e45ff0813ce
SHA2562c3acce555332f346126d4d6cf9779477a15197369e4115ea32fe3d14227db17
SHA512524ae71f2bec6cef5e18937b880af5fe3aa236bde05f4ec7b523fc148cbdc41a1c806d1cf0018332675f04f210fc3e6635a65cd3f6a093b6fb423de979be688d
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Filesize
1KB
MD597ca1345e92062cecc79ad320a0e89b1
SHA19e696a4df86c685befe01d00a16611331ed7e763
SHA256937a440251a10c5a8921104975e5b7f166a34be5e48aa5c4ad344f8beadd1ad2
SHA512b7cce6586e4db4e387343c01977b0768fca8c4842098f1caf7e4240fa89273279b1ade5ed25aaf108102dd06c0ee945a24cf4786eb24de34520b4c11c2e82214