Analysis
-
max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 08:42
Static task
static1
Behavioral task
behavioral1
Sample
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr
Resource
win7-20240220-en
General
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Target
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr
-
Size
681KB
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MD5
9df5e54a0aca7bcce788eb771bf399fd
-
SHA1
4c24287a0c41dbbec350bcd84d29a8f7be124451
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SHA256
1e84802e4da3346e3e59e6da6054df5e2dd12b5a8b4df058cef5a43108cf07df
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SHA512
052b31032a9b08e57c75aa8e3bdccb64c8c4352bf7c5ed0b8b14f0a3708ef16d2d27c185584bf7efc57839c3f3d4f2c6dd316a98d7f8ec976384ebb3bb41bc90
-
SSDEEP
12288:qc3yHyluF1BPZtZBarirFMwiJhL5xXQzYgo8XnLkZqrXhvVl:zyHygFTxIirXizjXQzYaLkZoXx
Malware Config
Extracted
nanocore
1.2.2.0
newlogs.ddns.net:1512
89f6d40a-087e-4dba-b4eb-5715f3228f56
-
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
2020-11-27T08:27:03.637722436Z
-
bypass_user_account_control
true
-
bypass_user_account_control_data
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clear_access_control
true
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
1512
-
default_group
MONEY MINDED
-
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
-
max_packet_size
1.048576e+07
-
mutex
89f6d40a-087e-4dba-b4eb-5715f3228f56
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
newlogs.ddns.net
-
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
-
run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr -
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrdescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrdescription pid process target process PID 556 set thread context of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr -
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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrPO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrpid process 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr 1508 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr 1508 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr 1508 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrpid process 1508 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrPO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrdescription pid process Token: SeDebugPrivilege 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr Token: SeDebugPrivilege 1508 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scrdescription pid process target process PID 556 wrote to memory of 2464 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr schtasks.exe PID 556 wrote to memory of 2464 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr schtasks.exe PID 556 wrote to memory of 2464 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr schtasks.exe PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PID 556 wrote to memory of 1508 556 PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr
Processes
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C:\Users\Admin\AppData\Local\Temp\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr"C:\Users\Admin\AppData\Local\Temp\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sivatVvbFbzxFj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD88D.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr"{path}"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO,,, Quote No. 291177_255564GYH01 1192643-2152021,pdf.scr.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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C:\Users\Admin\AppData\Local\Temp\tmpD88D.tmpFilesize
1KB
MD5d859191a439a243b1d64294556f6ffd2
SHA13c8b06a9edfdc1f1f5ba2de4a783853b2321c83c
SHA256ca294cfd760b8eb15f262870caa654db17eeb745504f077f2cd49bc3c7e16718
SHA5122a8e8c5dc4f07316559f6cfab987f2a64a3505d9ee473a0804c83760924c80205bcffec14ec8c7c36fe747ac7717c00226abd7cecf2de3d53bb57766fb7e36c9
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memory/556-10-0x0000000006FD0000-0x0000000007060000-memory.dmpFilesize
576KB
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memory/556-2-0x0000000005B50000-0x00000000060F4000-memory.dmpFilesize
5.6MB
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memory/556-4-0x0000000005530000-0x000000000553A000-memory.dmpFilesize
40KB
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memory/556-5-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB
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memory/556-6-0x0000000006C70000-0x0000000006D0C000-memory.dmpFilesize
624KB
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memory/556-7-0x00000000056C0000-0x00000000056C8000-memory.dmpFilesize
32KB
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memory/556-8-0x000000007532E000-0x000000007532F000-memory.dmpFilesize
4KB
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memory/556-9-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB
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memory/556-0-0x000000007532E000-0x000000007532F000-memory.dmpFilesize
4KB
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memory/556-3-0x00000000055A0000-0x0000000005632000-memory.dmpFilesize
584KB
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memory/556-17-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB
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memory/556-1-0x0000000000A80000-0x0000000000B30000-memory.dmpFilesize
704KB
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memory/1508-14-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1508-18-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB
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memory/1508-19-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB
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memory/1508-21-0x00000000054E0000-0x00000000054EA000-memory.dmpFilesize
40KB
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memory/1508-22-0x0000000005640000-0x000000000565E000-memory.dmpFilesize
120KB
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memory/1508-23-0x0000000005680000-0x000000000568A000-memory.dmpFilesize
40KB
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memory/1508-24-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB
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memory/1508-25-0x0000000075320000-0x0000000075AD0000-memory.dmpFilesize
7.7MB