nanocore | 44eae16cf38376d158b41110880be13da97dc492ccec500d8931104d85fd907c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 08:29

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General

Target
ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Size 945KB
Sample240511-kdkwasbf74
SHA256 ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c
MD5 a1f6c95a377a8c4c194a018614a6b463
SHA1 cd8ce511a2ac57aec39892c0b27832a18e77fc39
SHA512 fb93341612485022964338a421fbf6a77876d1efc492307e18a4fa28354643f8675cf685847ee8ffc9315232449f1c6b8aab674bb2beb0dc5e14ca6e020510a5
SSDEEP 12288:gI0MYBl4BwkivLUyyqexCwG879IO0MgsaQ/nsy9LHr24HwmU3V50:50MYfMweyTivP7yO7aQ/nsWRQJV5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

december2nd.ddns.net:65024
december2n.duckdns.org:65024

Mutex

2c009a56-c28c-48f4-8875-acf9e1222e9f

Attributes

activate_away_mode
false
backup_connection_host
december2n.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2024-02-17T09:12:36.211032636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
65024
default_group
NO GREE
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
2c009a56-c28c-48f4-8875-acf9e1222e9f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
december2nd.ddns.net
primary_dns_server
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2636	powershell.exe
2508	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\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2424	schtasks.exe
2716	schtasks.exe
1488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2508	powershell.exe
2636	powershell.exe
1892	RegSvcs.exe
1892	RegSvcs.exe
1892	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1892	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	1892	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2636	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2908 wrote to memory of 2636	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2908 wrote to memory of 2636	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2908 wrote to memory of 2636	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2908 wrote to memory of 2508	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2908 wrote to memory of 2508	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2908 wrote to memory of 2508	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2908 wrote to memory of 2508	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2908 wrote to memory of 2424	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2908 wrote to memory of 2424	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2908 wrote to memory of 2424	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2908 wrote to memory of 2424	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2908 wrote to memory of 1892	2908	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 1892 wrote to memory of 2716	1892	RegSvcs.exe	35
PID 1892 wrote to memory of 2716	1892	RegSvcs.exe	35
PID 1892 wrote to memory of 2716	1892	RegSvcs.exe	35
PID 1892 wrote to memory of 2716	1892	RegSvcs.exe	35
PID 1892 wrote to memory of 1488	1892	RegSvcs.exe	37
PID 1892 wrote to memory of 1488	1892	RegSvcs.exe	37
PID 1892 wrote to memory of 1488	1892	RegSvcs.exe	37
PID 1892 wrote to memory of 1488	1892	RegSvcs.exe	37

C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
"C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- 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\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fupTmRCVq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2508
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F47.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp70CD.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2716
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp712B.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tmp6F47.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6F47.tmp
Size 1KB
SHA256 a07a4e04aea7e5643380977ae00dbef0e14ce2447a672fae53b89c74efb6dc90
MD5 4e72793a8838fcfff8053f7462411945
SHA1 2d13b860980e328a12a8397d7896f1c6e9ecbfa4
SHA512 2075334cada2199a2a1716c200474174056a700dbba673adbe7df5224e3c0b8e6a133b450b87f0a3d7f31337901a4676c422127abafb3f364a68c41c08b1dd73
MD5 SHA1 SHA512

Submit Download

tmp70CD.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp70CD.tmp
Size 1KB
SHA256 3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
MD5 8cad1b41587ced0f1e74396794f31d58
SHA1 11054bf74fcf5e8e412768035e4dae43aa7b710f
SHA512 99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
MD5 SHA1 SHA512

Submit Download

tmp712B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp712B.tmp
Size 1KB
SHA256 f8a3739cca23897792b42a11a21adcce745201fa19f8d84ec66a6e0c5e519759
MD5 8e2d5fba24ae8a54087d8e6cadc188c1
SHA1 548555025543b4773b8f36301f5fa5003e1c85dc
SHA512 9246583d7b08152cd73dc40254013e1ae4b8c93603dbb1f4e6b82624e14b134c59de6c8039b588f14075602768a388121e985f886322ae5fb9ec2eee94d4ea3d
MD5 SHA1 SHA512

Submit Download

SBZ0Q93V449NDQLEALMR.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SBZ0Q93V449NDQLEALMR.temp
Size 7KB
SHA256 4610eebe9783d5c07ffe0e429b5d59e8660d8bd747364900293a092fc96a65db
MD5 d6adf8aa5b9f6166de6d6cb46e0a430d
SHA1 bee5f27ef69a070179dc47609c574e0a881aa96f
SHA512 b6788f0b034eba471014b0298cda6d83927753f8f458de7743c48852ccf78e760ed82bad41dfe3de4cce7733d6d2b88d61467d3c76fb9f77d4d634d3fcc4fe52
SSDEEP 96:0qAFwCaIM8CnqvsqvJCwowqAFwCaIM8CnqvsEHyqvJCworH8U6QHZz/z7TVXlUVb:rAFh2UoHAFh2AHnorHior7TVg
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1892-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1892-25-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1892-43-0x00000000004E0000-0x00000000004EA000-memory.dmp

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memory/1892-42-0x00000000003D0000-0x00000000003EE000-memory.dmp

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memory/1892-41-0x00000000003C0000-0x00000000003CC000-memory.dmp

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memory/1892-28-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1892-29-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1892-31-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1892-40-0x00000000003B0000-0x00000000003BA000-memory.dmp

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memory/1892-19-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1892-23-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1892-21-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/2908-5-0x0000000000770000-0x0000000000786000-memory.dmp

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memory/2908-32-0x0000000074940000-0x000000007502E000-memory.dmp

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memory/2908-2-0x0000000074940000-0x000000007502E000-memory.dmp

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memory/2908-1-0x0000000001090000-0x0000000001182000-memory.dmp

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memory/2908-0-0x000000007494E000-0x000000007494F000-memory.dmp

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memory/2908-3-0x00000000004A0000-0x00000000004BE000-memory.dmp

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memory/2908-4-0x0000000000560000-0x0000000000570000-memory.dmp

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memory/2908-6-0x0000000005350000-0x00000000053CC000-memory.dmp

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