Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-02-2025 16:41
Static task
static1
Behavioral task
behavioral1
Sample
Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
Resource
win10v2004-20250129-en
General
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Target
Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
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Size
701KB
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MD5
87e76b3ab65fafd1506f411841c73e94
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SHA1
3810482f5a3187ccf1dbc8ce4fc0752bb7e44c18
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SHA256
e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44
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SHA512
c51ab6b12270d827de00eaccd212468e24ce5510b9b8e8fda36efc7792ed72d1c2321af7a6552a576e9dcb0bb0dbed7ba5345cb959a4460b8a934f6fc67521d3
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SSDEEP
12288:AYyPYswecl9ZzHS49uH5hYLl4D4i4uS8zpAzh33gyAmLxOjrIy6NYxYQL:cweKyILwXRA133gK2rIw
Malware Config
Extracted
nanocore
1.2.2.0
91.92.240.88:2777
25449be1-a962-4d47-a9f7-c613578ec634
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activate_away_mode
true
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backup_connection_host
91.92.240.88
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-04-19T10:57:33.704241736Z
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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
2777
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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
25449be1-a962-4d47-a9f7-c613578ec634
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
91.92.240.88
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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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Nanocore family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1600 set thread context of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1296 schtasks.exe 2520 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe Token: SeDebugPrivilege 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 1600 wrote to memory of 2652 1600 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 30 PID 2652 wrote to memory of 2520 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 31 PID 2652 wrote to memory of 2520 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 31 PID 2652 wrote to memory of 2520 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 31 PID 2652 wrote to memory of 2520 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 31 PID 2652 wrote to memory of 1296 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 33 PID 2652 wrote to memory of 1296 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 33 PID 2652 wrote to memory of 1296 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 33 PID 2652 wrote to memory of 1296 2652 Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2BC2.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2520
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2C6E.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1296
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5d911a26d11fbfea52ac5469fab8644d6
SHA1961bd486ebb84714ac294857d2ab30117d736272
SHA256717147419a0a78893c180b1d71223473db3776848ce54fd8af0c09543ed3f22c
SHA512fc01cda0d900e93adf6e2556b09fb7f5be3a310e8b290326ca2b9c2807aaf99b9948f430f160cfa95e0d673da3c37c942af87120c57d30d01ba1566f24ddac5c
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Filesize
1KB
MD55fea24e883e06e4df6d240dc72abf2c5
SHA1d778bf0f436141e02df4b421e8188abdcc9a84a4
SHA256e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66
SHA51215afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924