Analysis
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max time kernel
143s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
03-07-2022 18:00
Static task
static1
Behavioral task
behavioral1
Sample
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
Resource
win7-20220414-en
General
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Target
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
-
Size
783KB
-
MD5
d542141f5e8cff74364315499d0c6b09
-
SHA1
26e17c0e297439cf92e5328bea860e47e268f2ee
-
SHA256
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470
-
SHA512
3fa524c824b0510d6047225db9dc058b6e9bca0d330d444c987490a0cfb157e49804d915dd055c509051e5f55f31fd89750cef03ece92e7e5c5cd6d184346f6b
Malware Config
Extracted
nanocore
1.2.2.0
johnie3m.hopto.org:9497
doc5.duckdns.org:9497
ed0ed031-dcf3-465d-8131-5a774c0aef5e
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activate_away_mode
true
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backup_connection_host
doc5.duckdns.org
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-06-15T12:47:21.826742436Z
-
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
9497
-
default_group
JOHNIE WALKER
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
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keep_alive_timeout
30000
-
keyboard_logging
false
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lan_timeout
2500
-
max_packet_size
1.048576e+07
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mutex
ed0ed031-dcf3-465d-8131-5a774c0aef5e
-
mutex_timeout
5000
-
prevent_system_sleep
false
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primary_connection_host
johnie3m.hopto.org
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.exe" 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe -
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exedescription pid process target process PID 1512 set thread context of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe -
Drops file in Program Files directory 2 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exedescription ioc process File created C:\Program Files (x86)\DSL Service\dslsvc.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe File opened for modification C:\Program Files (x86)\DSL Service\dslsvc.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 1632 schtasks.exe 1708 schtasks.exe 560 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exepid process 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exepid process 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exedescription pid process Token: SeDebugPrivilege 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe Token: SeDebugPrivilege 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exedescription pid process target process PID 1512 wrote to memory of 1708 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1512 wrote to memory of 1708 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1512 wrote to memory of 1708 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1512 wrote to memory of 1708 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1512 wrote to memory of 1720 1512 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe PID 1720 wrote to memory of 560 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 560 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 560 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 560 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 1632 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 1632 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 1632 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe PID 1720 wrote to memory of 1632 1720 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe"C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bJndYFgryrJkt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA323.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe"C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.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
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAD12.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB34A.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpA323.tmpFilesize
1KB
MD535ec9498a9c56e5eab0e15365c323412
SHA1a79a6b00c1a373b4469772767167812d33a75f3f
SHA256aaf46cd77f3de8b6827e5a81eaab6131b43ba93ad607f794d67f268ed67932f5
SHA512b437cf430213060aee4c05e3870e13da145199ac7f6785c231cecd39cbe3a1a00cf42c748c7331fc25d5bfa9bcc1936bd5a7edfc1ef1bba2bcba80a73b8b4254
-
C:\Users\Admin\AppData\Local\Temp\tmpAD12.tmpFilesize
1KB
MD59515bccbbcbf88ad17943b532172dd0c
SHA11096c156d77794f7726b23c887045b7629f0c5b6
SHA2560b2ec31fcf10f824a4fe8848f5fff96d23bba68031503f0a7ae460bc691b0826
SHA512bf3901c9e741d859c376c1c48756ffb24b438b25f5b83092a2f1904a33e66c4239913728046d6f4fc9ee1f27132e4e9279482ab40e91f149909e849dad4d28ee
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C:\Users\Admin\AppData\Local\Temp\tmpB34A.tmpFilesize
1KB
MD5f34c9976546ad9fc8624117687e1b732
SHA1df5de84989e77f019a10e10f2e8a44bca2dc620d
SHA256d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183
SHA512cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260
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memory/560-74-0x0000000000000000-mapping.dmp
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memory/1512-55-0x0000000076421000-0x0000000076423000-memory.dmpFilesize
8KB
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memory/1512-56-0x0000000000530000-0x0000000000540000-memory.dmpFilesize
64KB
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memory/1512-57-0x0000000000F70000-0x0000000000FCC000-memory.dmpFilesize
368KB
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memory/1512-58-0x0000000004B40000-0x0000000004B7C000-memory.dmpFilesize
240KB
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memory/1512-54-0x0000000001220000-0x00000000012EA000-memory.dmpFilesize
808KB
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memory/1632-76-0x0000000000000000-mapping.dmp
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memory/1708-59-0x0000000000000000-mapping.dmp
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memory/1720-67-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1720-68-0x000000000041E792-mapping.dmp
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memory/1720-70-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1720-72-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1720-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1720-65-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1720-62-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1720-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1720-78-0x0000000000450000-0x000000000045A000-memory.dmpFilesize
40KB
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memory/1720-79-0x0000000000460000-0x000000000047E000-memory.dmpFilesize
120KB
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memory/1720-80-0x0000000000580000-0x000000000058A000-memory.dmpFilesize
40KB