Analysis
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max time kernel
146s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
14/07/2024, 14:04
Static task
static1
Behavioral task
behavioral1
Sample
Zhn-x560.exe
Resource
win7-20240704-en
General
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Target
Zhn-x560.exe
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Size
1.0MB
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MD5
8ed51302c2a028d072bc78ad727108d9
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SHA1
2d0efc98916ef84b948b0539c41f40dbf27f288f
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SHA256
2b7a912fed6d5cec866c8887476393056508909f8468c23ccd201ae52b770738
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SHA512
6a97921492c363553b923b1b933aaf604eb2be8d0b53330dfb3ecf06d67c1ad7ded782b2dd30c43ace976f3c5f55e85dda7dff1675769dc6d7b3c1a420bb5800
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SSDEEP
12288:+p4YyDipAhZKG367go9LhnB7v5JckUNKiXx+oP1NM7EUbOF8nL2PFfq5Q+q58:+p4YMewTaLftyKiXsqEzb+NpqU8
Malware Config
Extracted
nanocore
1.2.2.0
robertjoe607.ddns.net:1987
3b928790-243f-46ea-931c-42154cd292bb
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-11-14T18:34:22.190897536Z
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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
-
clear_zone_identifier
true
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connect_delay
4000
-
connection_port
1987
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default_group
joe
-
enable_debug_mode
true
-
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
3b928790-243f-46ea-931c-42154cd292bb
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
robertjoe607.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
true
-
restart_delay
5000
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run_delay
0
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run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
-
version
1.2.2.0
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wan_timeout
8000
Signatures
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Zhn-x560.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2884 set thread context of 760 2884 Zhn-x560.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2644 schtasks.exe 2456 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2884 Zhn-x560.exe 2884 Zhn-x560.exe 760 Zhn-x560.exe 760 Zhn-x560.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Zhn-x560.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2884 Zhn-x560.exe Token: SeDebugPrivilege 760 Zhn-x560.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2884 wrote to memory of 2644 2884 Zhn-x560.exe 29 PID 2884 wrote to memory of 2644 2884 Zhn-x560.exe 29 PID 2884 wrote to memory of 2644 2884 Zhn-x560.exe 29 PID 2884 wrote to memory of 2644 2884 Zhn-x560.exe 29 PID 2884 wrote to memory of 2184 2884 Zhn-x560.exe 31 PID 2884 wrote to memory of 2184 2884 Zhn-x560.exe 31 PID 2884 wrote to memory of 2184 2884 Zhn-x560.exe 31 PID 2884 wrote to memory of 2184 2884 Zhn-x560.exe 31 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 2884 wrote to memory of 760 2884 Zhn-x560.exe 32 PID 760 wrote to memory of 2456 760 Zhn-x560.exe 33 PID 760 wrote to memory of 2456 760 Zhn-x560.exe 33 PID 760 wrote to memory of 2456 760 Zhn-x560.exe 33 PID 760 wrote to memory of 2456 760 Zhn-x560.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lEsuaBGK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2644
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C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"2⤵PID:2184
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C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6C4.tmp"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD522bbc92ee044f8991075ae84d6b83a42
SHA136c52ad8e966a25a7797f1df9046ac2f0c618c09
SHA256181b396d377928488d1480aab569e8673d24c3b5f57ca7586d4c70e835457a56
SHA5127f0010d3efadf1dd6e3f1dc2bfaf545c48eecd016563f5f6e40b960202adeac8e13cd7da10686c95a1535d599b04ebb2dbb5e52175015bbbcaf2786535914960
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Filesize
1KB
MD5ec0196350a484d1d0818621ffcf39b33
SHA176ff61cc03ac77270760132057eb12612eca9beb
SHA25663f1d86405afd49db32b4cec03400c3b8cae7bc7bcb1d81287525919b8e4a0cf
SHA512aa114d5554b78fa8aa88d2d4279dded70a60ca1ecb4c46b7ded6828724e8249c7d1a314b1499e4cd8ea8742949a439d3c85dd4c288a527a0bd5e06761beaf56d