nanocore | bb08e42bfb63552a1af7ab0e24bb040c9f2854f2521fda176e80c80dd17beec7

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 04:06

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General

Target

JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
Size

382KB
MD5

bc87c171c5e5c075ebcb336ca4518452
SHA1

29854b8268bb99a6f26df87229107fcfbf815d87
SHA256

bb08e42bfb63552a1af7ab0e24bb040c9f2854f2521fda176e80c80dd17beec7
SHA512

85509f5e3eebbecd909da16102a9183484d1c88d269cf541bd20cca6dd6fd9ffddda27f84f441f2ec07dd91b3db600524dedd59886d8f4543d5ccb6f2f68dbae
SSDEEP

6144:s5sdZMkhBwFvM6I7Qqpvp4w5uVaZ8yi6JcHWhitE4opE59yin1qYKb6qjjTwcoUx:s3SBwFvM6Ta4YF7sWhitBwEztn15Kmq

Score

10^/10

nanocore discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

185.140.53.75:97

Mutex

75237636-ccfc-402a-827d-5ad01371659e

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-24T01:53:34.394429836Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
97
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
75237636-ccfc-402a-827d-5ad01371659e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.75
primary_dns_server
8.8.8.8
request_elevation
true
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

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2824	powershell.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\UDP Manager = "C:\\Program Files (x86)\\UDP Manager\\udpmgr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Manager\udpmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\UDP Manager\udpmgr.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2208	schtasks.exe
2676	schtasks.exe
3052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
2824	powershell.exe
2840	RegSvcs.exe
2840	RegSvcs.exe
2840	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2840	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	2840	RegSvcs.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2824	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	31
PID 2988 wrote to memory of 2824	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	31
PID 2988 wrote to memory of 2824	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	31
PID 2988 wrote to memory of 2824	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	31
PID 2988 wrote to memory of 2208	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	33
PID 2988 wrote to memory of 2208	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	33
PID 2988 wrote to memory of 2208	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	33
PID 2988 wrote to memory of 2208	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	33
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2944	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	34
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2988 wrote to memory of 2840	2988	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	36
PID 2840 wrote to memory of 2676	2840	RegSvcs.exe	37
PID 2840 wrote to memory of 2676	2840	RegSvcs.exe	37
PID 2840 wrote to memory of 2676	2840	RegSvcs.exe	37
PID 2840 wrote to memory of 2676	2840	RegSvcs.exe	37
PID 2840 wrote to memory of 3052	2840	RegSvcs.exe	39
PID 2840 wrote to memory of 3052	2840	RegSvcs.exe	39
PID 2840 wrote to memory of 3052	2840	RegSvcs.exe	39
PID 2840 wrote to memory of 3052	2840	RegSvcs.exe	39

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vlzcRkmDiOmdD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3FED.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2208
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:2944
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - 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:2840
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp40A8.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2676
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp41C2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

C:\Users\Admin\AppData\Local\Temp\tmp40A8.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp41C2.tmp

Filesize
1KB

MD5
c1c4b266e129249076bbe8a15cc5e06c

SHA1
312b8173c264245c834eee91e05dcca845c341f8

SHA256
f336d06dcadca621be6b2dc9493dcb84d871497e65142bc9fdd72c9f250a1b7b

SHA512
0f02ec7700f89d95d29014eec42d13c85234351c3fe1dc6a3efeea52ea76ca4bea3151567a6c798b5ce658d481b424646b43d93e95ccad897356a87a25d45041

Download Submit
memory/2840-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-3-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2988-4-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2988-0-0x00000000741F1000-0x00000000741F2000-memory.dmp

Filesize
4KB

Download
memory/2988-29-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2988-2-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2988-1-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download