Analysis
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max time kernel
140s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:22
Static task
static1
Behavioral task
behavioral1
Sample
RFQ Appendix A-G.pdf.exe
Resource
win7-20220414-en
General
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Target
RFQ Appendix A-G.pdf.exe
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Size
369KB
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MD5
d2e8427920f9239cbbd8ad68d1568955
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SHA1
cf5b884c34ffac5741d44c5fe997212acca95674
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SHA256
a9cd75d30ef66be7f5d70754ff52882fbb390532669d60ad3ecb2df8a4f99a56
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SHA512
3791efb645ab4e5b5ae8f50a424ec2be1e52c6058c72de3a3017f5bf96e4e1c49b72262581d4d266488bc01a177e8558d1afe0a1fc6a22947ee6dd98c469d9b1
Malware Config
Extracted
nanocore
1.2.2.0
sydney112.hopto.org:1007
79.134.225.7:1007
1794518e-1406-42a0-bd9e-26459aee0f43
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activate_away_mode
true
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backup_connection_host
79.134.225.7
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-02-10T00:18:24.962118936Z
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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
4000
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connection_port
1007
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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
1794518e-1406-42a0-bd9e-26459aee0f43
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
sydney112.hopto.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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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:
RFQ Appendix A-G.pdf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.exe" RFQ Appendix A-G.pdf.exe -
Processes:
RFQ Appendix A-G.pdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RFQ Appendix A-G.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ Appendix A-G.pdf.exedescription pid process target process PID 536 set thread context of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RFQ Appendix A-G.pdf.exedescription ioc process File created C:\Program Files (x86)\DSL Service\dslsvc.exe RFQ Appendix A-G.pdf.exe File opened for modification C:\Program Files (x86)\DSL Service\dslsvc.exe RFQ Appendix A-G.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 1240 schtasks.exe 1832 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RFQ Appendix A-G.pdf.exepid process 1756 RFQ Appendix A-G.pdf.exe 1756 RFQ Appendix A-G.pdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RFQ Appendix A-G.pdf.exepid process 1756 RFQ Appendix A-G.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RFQ Appendix A-G.pdf.exedescription pid process Token: SeDebugPrivilege 1756 RFQ Appendix A-G.pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
RFQ Appendix A-G.pdf.exeRFQ Appendix A-G.pdf.exedescription pid process target process PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 536 wrote to memory of 1756 536 RFQ Appendix A-G.pdf.exe RFQ Appendix A-G.pdf.exe PID 1756 wrote to memory of 1240 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1240 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1240 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1240 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1832 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1832 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1832 1756 RFQ Appendix A-G.pdf.exe schtasks.exe PID 1756 wrote to memory of 1832 1756 RFQ Appendix A-G.pdf.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ Appendix A-G.pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ Appendix A-G.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RFQ Appendix A-G.pdf.exe"{path}"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\tmpF190.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\tmpF691.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpF190.tmpFilesize
1KB
MD5765e5c45e4fb7e3f75585b9094fe943e
SHA116709ea81e432523a3e2be905ea29aafef61417a
SHA25633cfc1a3ef70e5305211d9dff182f81709eeca52a126d0eb4f02451013a37c83
SHA512633c66e632d23e1b4f0bc7ca396c567ce6e91a769331c9b902c4d58105984d2f59f21e4dd351778ce0ae779a7b40c78ad877c5099ab708c37a27af072865f117
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C:\Users\Admin\AppData\Local\Temp\tmpF691.tmpFilesize
1KB
MD5f34c9976546ad9fc8624117687e1b732
SHA1df5de84989e77f019a10e10f2e8a44bca2dc620d
SHA256d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183
SHA512cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260
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memory/536-68-0x0000000074270000-0x000000007481B000-memory.dmpFilesize
5.7MB
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memory/536-54-0x0000000075B61000-0x0000000075B63000-memory.dmpFilesize
8KB
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memory/1240-70-0x0000000000000000-mapping.dmp
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memory/1756-58-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1756-62-0x000000000041E792-mapping.dmp
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memory/1756-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1756-66-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1756-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1756-69-0x0000000074270000-0x000000007481B000-memory.dmpFilesize
5.7MB
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memory/1756-59-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1756-56-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1756-55-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1832-72-0x0000000000000000-mapping.dmp