nanocore | 75d36949afe7945dbd1641f0311b579976d5ece74f7e6b4fd626d8df57648367

Analysis

max time kernel
149s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 02:44

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General

Target
2DHDF.exe
Size 203KB
Sample261102-c8l3vaev4s
SHA256 75d36949afe7945dbd1641f0311b579976d5ece74f7e6b4fd626d8df57648367
MD5 2ac29aea53206d9441b62cac2ed1bca8
SHA1 1656b861b85a15e41c8fc58db5b8144a56d6d52d
SHA512 ecc75a467fce135aa5ff536911f40071573d79905ea68a110daa62bcf41363b5997d2bfae2822aaed91ac568426bb844b6996e8740a1f0be09e0d14d84846476
SSDEEP 3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIW5svu1SEImfAF8V7m8CJvflRy:MLV6Bta6dtJmakIM54uvImfVqflRj0vJ
TLSH
T1FB14BF2677A84A2FE2DE85B9611211528378C2E3DCC3F3EE18D855B39B663E50A071D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

xoilac-tv4.buzz:443
www.xoilac-tv4.buzz:443

Mutex

0c506729-8a36-4a8c-8118-f3b50580328f

Attributes

activate_away_mode
false
backup_connection_host
www.xoilac-tv4.buzz
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-08-14T04:22:14.797294936Z
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
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
0c506729-8a36-4a8c-8118-f3b50580328f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xoilac-tv4.buzz
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

Family: NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 1 IoCs

pid	Process
4184	imapmon.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	2DHDF.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2DHDF.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	2DHDF.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	2DHDF.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	2DHDF.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2DHDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2DHDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	imapmon.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3440	schtasks.exe
6072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe
2636	2DHDF.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	2DHDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	2DHDF.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 3440	2636	2DHDF.exe	90
PID 2636 wrote to memory of 6072	2636	2DHDF.exe	93

C:\Users\Admin\AppData\Local\Temp\2DHDF.exe
"C:\Users\Admin\AppData\Local\Temp\2DHDF.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEF0E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3440
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "IMAP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF161.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:6072

C:\Program Files (x86)\IMAP Monitor\imapmon.exe
"C:\Program Files (x86)\IMAP Monitor\imapmon.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4184

C:\Users\Admin\AppData\Local\Temp\2DHDF.exe
"C:\Users\Admin\AppData\Local\Temp\2DHDF.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3108

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

imapmon.exe

Path C:\Program Files (x86)\IMAP Monitor\imapmon.exe
Size 203KB
SHA256 75d36949afe7945dbd1641f0311b579976d5ece74f7e6b4fd626d8df57648367
MD5 2ac29aea53206d9441b62cac2ed1bca8
SHA1 1656b861b85a15e41c8fc58db5b8144a56d6d52d
SHA512 ecc75a467fce135aa5ff536911f40071573d79905ea68a110daa62bcf41363b5997d2bfae2822aaed91ac568426bb844b6996e8740a1f0be09e0d14d84846476
SSDEEP 3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIW5svu1SEImfAF8V7m8CJvflRy:MLV6Bta6dtJmakIM54uvImfVqflRj0vJ
TLSH
T1FB14BF2677A84A2FE2DE85B9611211528378C2E3DCC3F3EE18D855B39B663E50A071D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmpEF0E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpEF0E.tmp
Size 1KB
SHA256 f66b6d2c54d2d4120f57fd78c2241c4dd4cff68f1452e792bd5228aed6a6fb5f
MD5 bde30e6e10d8c105e8ed61c0738370af
SHA1 dbffd2e1da709e4a4f57905b66782a5bdd052811
SHA512 3aa9510bdbac6241def0b7153f78dcb17a8fc740f757e89bac42f4690c079b19be5b9cf873f0be031fd259ef7923bfa4340ee1c05b1b4cf055b740b4a13210fb
TLSH
T18121C064ACC0F61F6671562AA39197C2DE2A57A301564138FCCC4A7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmpF161.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpF161.tmp
Size 1KB
SHA256 2dc87169ad53fbdd7abb08f49777cb8fb05adbff4e6f6616b4c89942af8cad0f
MD5 d2d6911d94b06e405e7687a2437eafec
SHA1 9f28f9e7d8d5179d44ddaa6ca266984ed7521dea
SHA512 b5983de701ff98e944283a25f1770c1e792d52148dc1671f1d19203f8b9d10b056abcf79a17ca536a5f88ccf52f6445d8f3e75fce628666640ad8bad697dcfd1
TLSH
T1FD21C064ACC0F61B66715635A39157C2DF2A97A301564138FCCC4A7F2FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2636-1-0x00000000745B2000-0x00000000745B4000-memory.dmp

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memory/2636-0-0x0000000001A40000-0x0000000001A50000-memory.dmp

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memory/2636-11-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/2636-14-0x0000000001A40000-0x0000000001A50000-memory.dmp

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memory/2636-15-0x00000000745B2000-0x00000000745B4000-memory.dmp

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memory/2636-18-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/3108-12-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/3108-13-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/3108-17-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/4184-9-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/4184-8-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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memory/4184-16-0x00000000745B0000-0x0000000074BD1000-memory.dmp

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