Analysis
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max time kernel
147s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 02:08
Static task
static1
Behavioral task
behavioral1
Sample
STATEMENT OF ACCOUNT.pdf.exe
Resource
win7-20220414-en
General
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Target
STATEMENT OF ACCOUNT.pdf.exe
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Size
353KB
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MD5
b8d73acc433977ce45cdcae9a7bb1326
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SHA1
6a3aabd31a7fc5b0e3d15b7bf230a4186a99c323
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SHA256
ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697
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SHA512
47c1356de467e88fc65dc78c4ca73ccf927af00024fafbf7c5e0ec306e1cd564d05fc47d03e933ffa2a4d773a1d8806e372d624edf061e3421fd51528e248b0b
Malware Config
Extracted
nanocore
1.2.2.0
kachi2020.hopto.org:1918
185.165.153.19:1918
d8af0884-edfe-4f5e-9dbe-2b1162970748
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activate_away_mode
true
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backup_connection_host
185.165.153.19
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-02-16T11:38:10.399131136Z
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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
1918
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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
d8af0884-edfe-4f5e-9dbe-2b1162970748
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
kachi2020.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:
STATEMENT OF ACCOUNT.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" STATEMENT OF ACCOUNT.pdf.exe -
Processes:
STATEMENT OF ACCOUNT.pdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA STATEMENT OF ACCOUNT.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
STATEMENT OF ACCOUNT.pdf.exedescription pid process target process PID 1948 set thread context of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe -
Drops file in Program Files directory 2 IoCs
Processes:
STATEMENT OF ACCOUNT.pdf.exedescription ioc process File created C:\Program Files (x86)\DSL Service\dslsvc.exe STATEMENT OF ACCOUNT.pdf.exe File opened for modification C:\Program Files (x86)\DSL Service\dslsvc.exe STATEMENT OF ACCOUNT.pdf.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
STATEMENT OF ACCOUNT.pdf.exeSTATEMENT OF ACCOUNT.pdf.exepid process 1948 STATEMENT OF ACCOUNT.pdf.exe 1148 STATEMENT OF ACCOUNT.pdf.exe 1148 STATEMENT OF ACCOUNT.pdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
STATEMENT OF ACCOUNT.pdf.exepid process 1148 STATEMENT OF ACCOUNT.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
STATEMENT OF ACCOUNT.pdf.exeSTATEMENT OF ACCOUNT.pdf.exedescription pid process Token: SeDebugPrivilege 1948 STATEMENT OF ACCOUNT.pdf.exe Token: SeDebugPrivilege 1148 STATEMENT OF ACCOUNT.pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
STATEMENT OF ACCOUNT.pdf.exeSTATEMENT OF ACCOUNT.pdf.exedescription pid process target process PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1948 wrote to memory of 1148 1948 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe PID 1148 wrote to memory of 2000 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 2000 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 2000 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 2000 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 520 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 520 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 520 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe PID 1148 wrote to memory of 520 1148 STATEMENT OF ACCOUNT.pdf.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf.exe"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.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\tmpA97A.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\tmpAAC2.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\tmpA97A.tmpFilesize
1KB
MD5762d50883bb6a74ee602f99238756b1d
SHA1132f11b1f377c970ce198ef00fbe6e5bc346e988
SHA2566f18ba1e9e756af18008c9a13e7050547bd7ae0ad938222346a17eb0855fbb1e
SHA51221d70f973fec707f73ffff739c2f983190c08cf08242343571e411b7cbf4b5f241cefa75e46355c335ce57296eacd0a750afd365b773ce2132db5cfd965ee12f
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C:\Users\Admin\AppData\Local\Temp\tmpAAC2.tmpFilesize
1KB
MD5f34c9976546ad9fc8624117687e1b732
SHA1df5de84989e77f019a10e10f2e8a44bca2dc620d
SHA256d524ed3f3648a50ab92cf755461af48ed0c973a3edfba3a4cd0fad3d2e833183
SHA512cd90ca19818bcdf0ec6ee9bafd47749e87ffb8f5c4711ef6c73483acf73399b2ab8c7b55f98303fcce409591647741ceb2ddd7b399ad62b2f5b18ed5378c8260
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memory/520-71-0x0000000000000000-mapping.dmp
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memory/1148-63-0x000000000041E792-mapping.dmp
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memory/1148-59-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-60-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-62-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-65-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-67-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-57-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-56-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1148-73-0x0000000074B50000-0x00000000750FB000-memory.dmpFilesize
5.7MB
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memory/1948-54-0x0000000075401000-0x0000000075403000-memory.dmpFilesize
8KB
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memory/1948-55-0x0000000074B50000-0x00000000750FB000-memory.dmpFilesize
5.7MB
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memory/2000-69-0x0000000000000000-mapping.dmp