Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 00:40
Behavioral task
behavioral1
Sample
D5FC6906D2B2290A17CBF16A0618B4C8.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
D5FC6906D2B2290A17CBF16A0618B4C8.exe
Resource
win11ltsc2024-20260709-en
General
- Target D5FC6906D2B2290A17CBF16A0618B4C8.exe
- Size 203KB
- Sample260809-a1hpcaxdnf
- SHA256 14aacad3920f6c0db67f25dd6948b434cdea5b3d5179656c6905e2346bf462ca
- MD5 d5fc6906d2b2290a17cbf16a0618b4c8
- SHA1 583c74a790c50d6c118eafb948243eecc0de0551
- SHA512 aa4f917d722c23ef216213b55d7c12057e34e8b146619bb6c93ae2250cf32ba7f13b65121c05c9c62cd6b7786acf1dd22503220815ecb71b48272ee523221ab1
- SSDEEP 6144:sLV6Bta6dtJmakIM5AMBrwBJnaMC8xFev7y4QT1tdH:sLV6BtpmkxMFIPHPe2DtdH
- TLSH T17114CF1677A94A2FD2DE82B961221143937CC2E399C3F7EE28D464B74F267E50A071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
allforms.io:443
-
www.allforms.io:443
-
6f0288b4-8831-4691-88cb-20465550ea5d
-
activate_away_mode
true
-
backup_connection_host
www.allforms.io
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-05-16T23:53:48.228949236Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
443
-
default_group
Default
-
enable_debug_mode
false
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
6f0288b4-8831-4691-88cb-20465550ea5d
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
allforms.io
-
primary_dns_server
8.8.8.8
-
request_elevation
false
-
restart_delay
5000
-
run_delay
9
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4348 smtpmon.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Monitor = "C:\\Program Files (x86)\\SMTP Monitor\\smtpmon.exe" D5FC6906D2B2290A17CBF16A0618B4C8.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 D5FC6906D2B2290A17CBF16A0618B4C8.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SMTP Monitor\smtpmon.exe D5FC6906D2B2290A17CBF16A0618B4C8.exe File opened for modification C:\Program Files (x86)\SMTP Monitor\client.log smtpmon.exe - System Location Discovery: System Language Discovery 1 TTPs 5 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 D5FC6906D2B2290A17CBF16A0618B4C8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language D5FC6906D2B2290A17CBF16A0618B4C8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language smtpmon.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 5180 schtasks.exe 4844 schtasks.exe - Suspicious behavior: EnumeratesProcesses 62 IoCs
pid Process 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4248 wrote to memory of 5180 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 91 PID 4248 wrote to memory of 4844 4248 D5FC6906D2B2290A17CBF16A0618B4C8.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\D5FC6906D2B2290A17CBF16A0618B4C8.exe"C:\Users\Admin\AppData\Local\Temp\D5FC6906D2B2290A17CBF16A0618B4C8.exe"1⤵
- 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:4248 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6AD.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5180
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp73B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4844
-
-
C:\Users\Admin\AppData\Local\Temp\D5FC6906D2B2290A17CBF16A0618B4C8.exe"C:\Users\Admin\AppData\Local\Temp\D5FC6906D2B2290A17CBF16A0618B4C8.exe"1⤵
- System Location Discovery: System Language Discovery
PID:4264
-
C:\Program Files (x86)\SMTP Monitor\smtpmon.exe"C:\Program Files (x86)\SMTP Monitor\smtpmon.exe"1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4348
Network
MITRE ATT&CK Enterprise v16
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
- Path C:\Program Files (x86)\SMTP Monitor\smtpmon.exe
- Size 203KB
- SHA256 14aacad3920f6c0db67f25dd6948b434cdea5b3d5179656c6905e2346bf462ca
- MD5 d5fc6906d2b2290a17cbf16a0618b4c8
- SHA1 583c74a790c50d6c118eafb948243eecc0de0551
- SHA512 aa4f917d722c23ef216213b55d7c12057e34e8b146619bb6c93ae2250cf32ba7f13b65121c05c9c62cd6b7786acf1dd22503220815ecb71b48272ee523221ab1
- SSDEEP 6144:sLV6Bta6dtJmakIM5AMBrwBJnaMC8xFev7y4QT1tdH:sLV6BtpmkxMFIPHPe2DtdH
- TLSH T17114CF1677A94A2FD2DE82B961221143937CC2E399C3F7EE28D464B74F267E50A071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp6AD.tmp
- Size 1KB
- SHA256 86be4c50cf00e2ccf85e7154791654156906c963c2e69cbb950c9a6a807961b3
- MD5 0f94ffd34f148c85b121e33f993032c6
- SHA1 1c96ac5da6b7b24836fe19d61b7ffdbb24e8dda5
- SHA512 d6d4f964728eccbe306096c753c27b53d1574b6f48dbb2862604fe0e99f9d079e969e181a4db296ca651c78c70bf44033a78f058b811ac6d2cc5b626a2a885cd
- TLSH T1C421DD64ACC0F71F66B1462AA79197C2EE2A97A305164138FCCC4E7F2FB6186704316B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp73B.tmp
- Size 1KB
- SHA256 1e45d509d390405f93e9f3b64ff497e61cf9bf791c015dde4499184b7a681eb3
- MD5 ffa9e95100598072ca693c672478895f
- SHA1 518514c3112c51b2b21d36d3262bec72e83d025d
- SHA512 010d14ae46a23cef14cf1de9a06c8e6ff26ca86c10ebdd3d5f16f4ffbeacc3df7ca18fafda097e00bf747fb997c5c4f9d62646e47a3b501da7c630689c28d6df
- TLSH T12921C064ACC0F65B66715635A39157C2DF2A97A301564138FCCC4E7F2FB6286304316B
- MD5 SHA1 SHA512 TLSH