nanocore | 55e49794b60c8a62267cb64c357ed46c97a7779b3eafb087242e6ac59af3cbd9

Analysis

user interaction
yes
max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/08/2026, 06:24

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General

Target
183GDY.exe
Size 203KB
Sample260803-g6bljsdc53
SHA256 55e49794b60c8a62267cb64c357ed46c97a7779b3eafb087242e6ac59af3cbd9
MD5 13d03637c2a01ffebf33f8d7a863b644
SHA1 8c02939a5518cd0a1636dd1690da5baffaf9ccd1
SHA512 200ca0ed2b322945a54f952511259bedb3bceecfd8d0c3eb962adece36206d278df0eace46b4aca7f7c8529ace53f3cec6d9453b73b5261d356fc149bdcfc20a
SSDEEP 3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIsYP+1Nda82N+xdkv9iRLGeQLx:MLV6Bta6dtJmakIM5AkAgNpdet
TLSH
T14714CF267BF98A2FE2DE86B9611212028379C2E399C3F3DE18D455B74F267E506071D3
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

olivia-austin.com:443
www.olivia-austin.com:443

Mutex

4be1ed56-5e04-45c7-baae-79a35d9f8b59

Attributes

activate_away_mode
true
backup_connection_host
www.olivia-austin.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-05-15T04:03:53.915667936Z
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
4be1ed56-5e04-45c7-baae-79a35d9f8b59
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
olivia-austin.com
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
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
4008	dslsv.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\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	183GDY.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	183GDY.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	183GDY.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	183GDY.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	dslsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	183GDY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	183GDY.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.

persistence execution

Scheduled Task

T1053.005

pid	Process
5240	schtasks.exe
4492	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe
3128	183GDY.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3128	183GDY.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3128	183GDY.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 5240	3128	183GDY.exe	86
PID 3128 wrote to memory of 4492	3128	183GDY.exe	88

C:\Users\Admin\AppData\Local\Temp\183GDY.exe
"C:\Users\Admin\AppData\Local\Temp\183GDY.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:3128
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp337.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5240
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3A6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4492

C:\Users\Admin\AppData\Local\Temp\183GDY.exe
"C:\Users\Admin\AppData\Local\Temp\183GDY.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2072

C:\Program Files (x86)\DSL Service\dslsv.exe
"C:\Program Files (x86)\DSL Service\dslsv.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4008

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

dslsv.exe

Path C:\Program Files (x86)\DSL Service\dslsv.exe
Size 203KB
SHA256 55e49794b60c8a62267cb64c357ed46c97a7779b3eafb087242e6ac59af3cbd9
MD5 13d03637c2a01ffebf33f8d7a863b644
SHA1 8c02939a5518cd0a1636dd1690da5baffaf9ccd1
SHA512 200ca0ed2b322945a54f952511259bedb3bceecfd8d0c3eb962adece36206d278df0eace46b4aca7f7c8529ace53f3cec6d9453b73b5261d356fc149bdcfc20a
SSDEEP 3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIsYP+1Nda82N+xdkv9iRLGeQLx:MLV6Bta6dtJmakIM5AkAgNpdet
TLSH
T14714CF267BF98A2FE2DE86B9611212028379C2E399C3F3DE18D455B74F267E506071D3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp337.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp337.tmp
Size 1KB
SHA256 fec320664c9a8cfb61a8deff765bf8ba40e0e4965c6ad0882136dd0641ea4641
MD5 e09e485b4a6cc124b679a17898f48558
SHA1 85db4550fe15108d5072fbc202f0bf95c658fce9
SHA512 b34b74e049fa0f0f94b6c1db24c8c03c7c1f140987d2a274eaeb163e5985b0748f3e6ce0595fc03a3799464bf173bd618a2df541a3aac125bef006f7d4a214e6
TLSH
T15A21C064ACC0F71F66715629A39197C2DE2A57A302564138FCCC4E7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp3A6.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3A6.tmp
Size 1KB
SHA256 abd73bfca8458750ee751d4c6c106d54dcf0969592f476acc64ab0d7f2bb1978
MD5 afb71a33ece3758f782f052bbe5da94f
SHA1 e69b9070ff52f81fdf01a40f775d021e4b4e71e4
SHA512 22c45992ca358ca9d4605ac426b65903b11b27db1b9c608739245dc412aa256d0908566626b3cfdafb32fca0809bf46c8824ab98cea7b7662216c915e6ef013f
TLSH
T1FD21C064ACC0F65B66715625A39157C2DF2A97A341664138FCCC4A7F2FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2072-15-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/2072-14-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/2072-18-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/3128-1-0x00000000750D2000-0x00000000750D4000-memory.dmp

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memory/3128-11-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/3128-0-0x00000000010D0000-0x00000000010E0000-memory.dmp

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memory/3128-20-0x00000000010D0000-0x00000000010E0000-memory.dmp

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memory/3128-21-0x00000000750D2000-0x00000000750D4000-memory.dmp

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memory/3128-22-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/4008-12-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/4008-13-0x00000000750D0000-0x0000000075681000-memory.dmp

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memory/4008-19-0x00000000750D0000-0x0000000075681000-memory.dmp

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