Analysis
-
max time kernel
119s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
29-05-2024 14:14
Static task
static1
Behavioral task
behavioral1
Sample
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe
Resource
win7-20240508-en
General
-
Target
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe
-
Size
1.2MB
-
MD5
a2c64b6b7323156b7f9ff02e272ae8ca
-
SHA1
a9ff7db448304c99c512adf230024061b00b8a28
-
SHA256
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6
-
SHA512
e49f8965bb8aa96465319485e49537b686de206cdd0f10eace72f50672432c27fad1290ab93fc2474d29248153897dd26f0cf5a39ce91070c2078a2db7722264
-
SSDEEP
24576:ISu1S82mBVrIiudqssHjvCXUBZShrqjfv7C:ISuU82mTV3KmghU
Malware Config
Extracted
nanocore
1.2.2.0
psolver827.ddns.net:1974
127.0.0.1:1974
9bd2ed5f-213a-4882-91bf-95b6e3347c3e
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-02-26T07:38:31.398347236Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1974
-
default_group
dcGEN
-
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
9bd2ed5f-213a-4882-91bf-95b6e3347c3e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
psolver827.ddns.net
-
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
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe" 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe -
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exedescription pid process target process PID 2140 set thread context of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe -
Drops file in Program Files directory 2 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exedescription ioc process File created C:\Program Files (x86)\ARP Host\arphost.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe File opened for modification C:\Program Files (x86)\ARP Host\arphost.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.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 2664 schtasks.exe 2724 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exepid process 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exepid process 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exedescription pid process Token: SeDebugPrivilege 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exedescription pid process target process PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2140 wrote to memory of 2948 2140 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe PID 2948 wrote to memory of 2664 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2664 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2664 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2664 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2724 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2724 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2724 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe PID 2948 wrote to memory of 2724 2948 2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe"C:\Users\Admin\AppData\Local\Temp\2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.exe"C:\Users\Admin\AppData\Local\Temp\2d05c9403bbaab8471cfcc838fea203af7fe69c53041b3320585418d3134c9c6.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 "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1C09.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1CA6.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp1C09.tmpFilesize
1KB
MD52e004bc92295491672688206b4870a21
SHA135ba419d956b0ce3a9ebe17ad3052e425555901e
SHA25607297a6cab6c92d2ecba01b68eb1017d86d3771785ebf0c7980c45207f21e3b0
SHA512fca9b41031a9832d1c68673a1999d1e13e7d9c8133ad426b68710f58c00c2142d6c471140c517827585a122abbe65bd4f7421b3c7690044fc1432d5ff8e5d29a
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C:\Users\Admin\AppData\Local\Temp\tmp1CA6.tmpFilesize
1KB
MD5447ab194ab36cb1d20078d80e502b1b2
SHA1a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0
SHA2568d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5
SHA51249ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327
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memory/2140-0-0x000000007423E000-0x000000007423F000-memory.dmpFilesize
4KB
-
memory/2140-1-0x00000000013E0000-0x000000000150C000-memory.dmpFilesize
1.2MB
-
memory/2140-2-0x0000000000870000-0x00000000008D8000-memory.dmpFilesize
416KB
-
memory/2140-3-0x0000000074230000-0x000000007491E000-memory.dmpFilesize
6.9MB
-
memory/2140-4-0x0000000000260000-0x0000000000268000-memory.dmpFilesize
32KB
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memory/2140-21-0x0000000074230000-0x000000007491E000-memory.dmpFilesize
6.9MB
-
memory/2948-9-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-33-0x0000000000A80000-0x0000000000A92000-memory.dmpFilesize
72KB
-
memory/2948-5-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-17-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-15-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-18-0x0000000074230000-0x000000007491E000-memory.dmpFilesize
6.9MB
-
memory/2948-19-0x0000000074230000-0x000000007491E000-memory.dmpFilesize
6.9MB
-
memory/2948-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
-
memory/2948-13-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-6-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-28-0x00000000003F0000-0x00000000003FA000-memory.dmpFilesize
40KB
-
memory/2948-29-0x0000000000A40000-0x0000000000A5E000-memory.dmpFilesize
120KB
-
memory/2948-30-0x0000000000950000-0x000000000095A000-memory.dmpFilesize
40KB
-
memory/2948-7-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2948-34-0x0000000000A90000-0x0000000000AAA000-memory.dmpFilesize
104KB
-
memory/2948-35-0x0000000000B80000-0x0000000000B8E000-memory.dmpFilesize
56KB
-
memory/2948-37-0x0000000000C30000-0x0000000000C3E000-memory.dmpFilesize
56KB
-
memory/2948-36-0x0000000000C20000-0x0000000000C32000-memory.dmpFilesize
72KB
-
memory/2948-38-0x0000000000C40000-0x0000000000C4C000-memory.dmpFilesize
48KB
-
memory/2948-39-0x0000000000C90000-0x0000000000CA4000-memory.dmpFilesize
80KB
-
memory/2948-40-0x0000000000CE0000-0x0000000000CF0000-memory.dmpFilesize
64KB
-
memory/2948-41-0x0000000000CF0000-0x0000000000D04000-memory.dmpFilesize
80KB
-
memory/2948-42-0x0000000000EE0000-0x0000000000EEE000-memory.dmpFilesize
56KB
-
memory/2948-43-0x0000000000F00000-0x0000000000F2E000-memory.dmpFilesize
184KB
-
memory/2948-44-0x0000000000F30000-0x0000000000F44000-memory.dmpFilesize
80KB
-
memory/2948-46-0x0000000074230000-0x000000007491E000-memory.dmpFilesize
6.9MB
-
memory/2948-47-0x0000000074230000-0x000000007491E000-memory.dmpFilesize
6.9MB