Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05-10-2022 18:30
Static task
static1
Behavioral task
behavioral1
Sample
DHL_014376 makbuz belgesi,pdf.exe
Resource
win7-20220812-en
General
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Target
DHL_014376 makbuz belgesi,pdf.exe
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Size
1.2MB
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MD5
f2eb0099fbd4e56313ee832801de298e
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SHA1
daa7daf7fcde07af9eaf69470adbd242a3a55bf8
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SHA256
522c5a9be86231dd7334cdf51ba06fe5221632491c99554fab559d36e0b76ab3
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SHA512
c52783f88c73b83ec5de59e83b2c1478a1447001a33ffa2d58806a850769c5f56df49a97eb89de13c02e569561f57be9374c2a9fb88fc7a3d81c3cdb3bbdb2da
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SSDEEP
24576:DfpVCjUByvd4GO/6jYug2ScatsxpOusjUmAqjL:DvCjU24GOCjpgdRsEl
Malware Config
Extracted
nanocore
1.2.2.0
albertsamco76.ddns.net:7480
79.134.225.71:7480
595ac7be-87a8-4935-8bed-199af086cae8
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activate_away_mode
true
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backup_connection_host
79.134.225.71
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-07-15T18:29:52.126272236Z
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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
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clear_zone_identifier
false
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connect_delay
5000
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connection_port
7480
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default_group
Default
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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
595ac7be-87a8-4935-8bed-199af086cae8
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
albertsamco76.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
false
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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
Processes:
DHL_014376 makbuz belgesi,pdf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe" DHL_014376 makbuz belgesi,pdf.exe -
Processes:
DHL_014376 makbuz belgesi,pdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DHL_014376 makbuz belgesi,pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exedescription pid process target process PID 3012 set thread context of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe -
Drops file in Program Files directory 2 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exedescription ioc process File opened for modification C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe DHL_014376 makbuz belgesi,pdf.exe File created C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe DHL_014376 makbuz belgesi,pdf.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 3120 schtasks.exe 1996 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exeDHL_014376 makbuz belgesi,pdf.exepid process 3012 DHL_014376 makbuz belgesi,pdf.exe 3012 DHL_014376 makbuz belgesi,pdf.exe 3012 DHL_014376 makbuz belgesi,pdf.exe 3012 DHL_014376 makbuz belgesi,pdf.exe 3012 DHL_014376 makbuz belgesi,pdf.exe 3012 DHL_014376 makbuz belgesi,pdf.exe 3012 DHL_014376 makbuz belgesi,pdf.exe 1400 DHL_014376 makbuz belgesi,pdf.exe 1400 DHL_014376 makbuz belgesi,pdf.exe 1400 DHL_014376 makbuz belgesi,pdf.exe 1400 DHL_014376 makbuz belgesi,pdf.exe 1400 DHL_014376 makbuz belgesi,pdf.exe 1400 DHL_014376 makbuz belgesi,pdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exepid process 1400 DHL_014376 makbuz belgesi,pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exeDHL_014376 makbuz belgesi,pdf.exedescription pid process Token: SeDebugPrivilege 3012 DHL_014376 makbuz belgesi,pdf.exe Token: SeDebugPrivilege 1400 DHL_014376 makbuz belgesi,pdf.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exepid process 3012 DHL_014376 makbuz belgesi,pdf.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exepid process 3012 DHL_014376 makbuz belgesi,pdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
DHL_014376 makbuz belgesi,pdf.exeDHL_014376 makbuz belgesi,pdf.exedescription pid process target process PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 3012 wrote to memory of 1400 3012 DHL_014376 makbuz belgesi,pdf.exe DHL_014376 makbuz belgesi,pdf.exe PID 1400 wrote to memory of 3120 1400 DHL_014376 makbuz belgesi,pdf.exe schtasks.exe PID 1400 wrote to memory of 3120 1400 DHL_014376 makbuz belgesi,pdf.exe schtasks.exe PID 1400 wrote to memory of 3120 1400 DHL_014376 makbuz belgesi,pdf.exe schtasks.exe PID 1400 wrote to memory of 1996 1400 DHL_014376 makbuz belgesi,pdf.exe schtasks.exe PID 1400 wrote to memory of 1996 1400 DHL_014376 makbuz belgesi,pdf.exe schtasks.exe PID 1400 wrote to memory of 1996 1400 DHL_014376 makbuz belgesi,pdf.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_014376 makbuz belgesi,pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_014376 makbuz belgesi,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\DHL_014376 makbuz belgesi,pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_014376 makbuz belgesi,pdf.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:1400 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCD62.tmp"3⤵
- Creates scheduled task(s)
PID:3120 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCDE0.tmp"3⤵
- Creates scheduled task(s)
PID:1996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD53d8eb1c2fbe00c8e1651c7e6c2ddf134
SHA1b8b69c71c4fa86900bd28f19fea05e2a4697f81c
SHA2566e2cb2588702bba7574915ad0914dd55c77eb4d01f7bf07fa7dbb51e948c79ff
SHA512a1b9b5feebc8780e902ea13c3c81af52da8c55bb8b8908d8fb35033cf25b86d563c48470b900222cd486dd7218328a7d711de91fc89d1670292ae62d357355f0
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Filesize
1KB
MD52f26d92c1eeead3896820e56ec46f6f1
SHA1d95533b61eed7d89e4ada56bc566d60e42ac1f61
SHA25699a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa
SHA5126c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892