Analysis
-
max time kernel
149s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
11-06-2024 04:55
Static task
static1
Behavioral task
behavioral1
Sample
f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe
Resource
win7-20240508-en
General
-
Target
f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe
-
Size
280KB
-
MD5
6e0a773cfe3ced38e7ac87c3e36b03a7
-
SHA1
7aad0f350f38fb5af772f07656932368fb017182
-
SHA256
f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115
-
SHA512
9f41d8271ce3f47b0bcf3193a059d9219bb71f5987efe8533a3b8aa3788e92eac568bb52ce7a7ff7a16123f640882603b78c00c76a78e66ef479c4b9d258d713
-
SSDEEP
6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkf6:boSeGUA5YZazpXUmZhZ6SL
Malware Config
Extracted
nanocore
1.2.2.0
sysupdate24.ddns.net:45400
ae82ab7f-db07-49ee-9d2b-76075d76f37f
-
activate_away_mode
true
- backup_connection_host
- backup_dns_server
-
buffer_size
65535
-
build_time
2020-04-24T17:41:53.492468936Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
45400
-
default_group
Default
-
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
sysupdate24.ddns.net
- primary_dns_server
-
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 2 IoCs
Processes:
a1punf5t2of.exea1punf5t2of.exepid process 2592 a1punf5t2of.exe 3000 a1punf5t2of.exe -
Loads dropped DLL 2 IoCs
Processes:
f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exea1punf5t2of.exepid process 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe 2592 a1punf5t2of.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe -
Processes:
a1punf5t2of.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a1punf5t2of.exedescription pid process target process PID 2592 set thread context of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a1punf5t2of.exepid process 3000 a1punf5t2of.exe 3000 a1punf5t2of.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
a1punf5t2of.exepid process 3000 a1punf5t2of.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a1punf5t2of.exedescription pid process Token: SeDebugPrivilege 3000 a1punf5t2of.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exea1punf5t2of.exedescription pid process target process PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 1608 wrote to memory of 2592 1608 f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe PID 2592 wrote to memory of 3000 2592 a1punf5t2of.exe a1punf5t2of.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe"C:\Users\Admin\AppData\Local\Temp\f14c100118e71126b220181f23a6fea9d4f217845d18ea87becf0f40aa3fe115.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exeFilesize
280KB
MD599c306d45d0d7bc9ccdb39fe79b0a521
SHA177b50ae3cbfbd10e3b90cc76e870e89512793a78
SHA256f26d6c8b78158a132475a18718aa29cd8a11eca04d288bd4290126afee6143ed
SHA512c099f779cc50d24100376c15906b5603fea8ca9b11e4b8143e098be85d7fef464436a693fb8c481df409a904dfea9e85ea564e2439469b48d48f2d84756ad7b1
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memory/1608-0-0x0000000074A71000-0x0000000074A72000-memory.dmpFilesize
4KB
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memory/1608-1-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/1608-2-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/1608-3-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/1608-12-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/2592-15-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
-
memory/2592-13-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/2592-14-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/2592-37-0x0000000074A70000-0x000000007501B000-memory.dmpFilesize
5.7MB
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memory/3000-17-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3000-35-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3000-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/3000-27-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3000-24-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3000-21-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3000-19-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3000-33-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB