nanocore | 14f41e52e85831bb42d9122b038fe76e86bc084e10636d086a4bd9f7f26abc97

General

Target

63HiIJrDNvEfDcl.exe
Size

660KB
MD5

e47509572ea188a78326872fda99fe64
SHA1

61445d5ea22042336963a7a1060e6049c5d52fc1
SHA256

ef2c040076c60b1c9dbe49868b75a036073d4e3d4d9d20d911e0166ffe1317f5
SHA512

98b9c9822008bff777797b4346df430fdb97516539b423984b709db878353cf4b8d20d53a1110507abafe94920468387f381e32f056493244f41ddbd37129c90
SSDEEP

12288:nyLMnTWeLAfxcFnogLeYyyrto7lydPuDdiOSoKLZytl7eDhbMWz3E65qq9:fnTW5wiWto7HijovLKDKWa

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

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

Processes:

powershell.exepowershell.exe

pid process

1724 powershell.exe
4864 powershell.exe

pid	process
1724	powershell.exe
4864	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Host = "C:\\Program Files (x86)\\IMAP Host\\imaphost.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

63HiIJrDNvEfDcl.exe

description pid process target process

PID 1312 set thread context of 2836 1312 63HiIJrDNvEfDcl.exe RegSvcs.exe

description	pid	process	target process
PID 1312 set thread context of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\IMAP Host\imaphost.exe	RegSvcs.exe
File created	C:\Program Files (x86)\IMAP Host\imaphost.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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

332 schtasks.exe
4884 schtasks.exe
3712 schtasks.exe

pid	process
332	schtasks.exe
4884	schtasks.exe
3712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

63HiIJrDNvEfDcl.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
1312	63HiIJrDNvEfDcl.exe
1312	63HiIJrDNvEfDcl.exe
1312	63HiIJrDNvEfDcl.exe
1312	63HiIJrDNvEfDcl.exe
1312	63HiIJrDNvEfDcl.exe
1312	63HiIJrDNvEfDcl.exe
1724	powershell.exe
4864	powershell.exe
1312	63HiIJrDNvEfDcl.exe
1724	powershell.exe
4864	powershell.exe
2836	RegSvcs.exe
2836	RegSvcs.exe
2836	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2836 RegSvcs.exe

pid	process
2836	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

63HiIJrDNvEfDcl.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1312	63HiIJrDNvEfDcl.exe
Token: SeDebugPrivilege	4864	powershell.exe
Token: SeDebugPrivilege	1724	powershell.exe
Token: SeDebugPrivilege	2836	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

63HiIJrDNvEfDcl.exeRegSvcs.exe

description	pid	process	target process
PID 1312 wrote to memory of 1724	1312	63HiIJrDNvEfDcl.exe	powershell.exe
PID 1312 wrote to memory of 1724	1312	63HiIJrDNvEfDcl.exe	powershell.exe
PID 1312 wrote to memory of 1724	1312	63HiIJrDNvEfDcl.exe	powershell.exe
PID 1312 wrote to memory of 4864	1312	63HiIJrDNvEfDcl.exe	powershell.exe
PID 1312 wrote to memory of 4864	1312	63HiIJrDNvEfDcl.exe	powershell.exe
PID 1312 wrote to memory of 4864	1312	63HiIJrDNvEfDcl.exe	powershell.exe
PID 1312 wrote to memory of 332	1312	63HiIJrDNvEfDcl.exe	schtasks.exe
PID 1312 wrote to memory of 332	1312	63HiIJrDNvEfDcl.exe	schtasks.exe
PID 1312 wrote to memory of 332	1312	63HiIJrDNvEfDcl.exe	schtasks.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 1312 wrote to memory of 2836	1312	63HiIJrDNvEfDcl.exe	RegSvcs.exe
PID 2836 wrote to memory of 4884	2836	RegSvcs.exe	schtasks.exe
PID 2836 wrote to memory of 4884	2836	RegSvcs.exe	schtasks.exe
PID 2836 wrote to memory of 4884	2836	RegSvcs.exe	schtasks.exe
PID 2836 wrote to memory of 3712	2836	RegSvcs.exe	schtasks.exe
PID 2836 wrote to memory of 3712	2836	RegSvcs.exe	schtasks.exe
PID 2836 wrote to memory of 3712	2836	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\63HiIJrDNvEfDcl.exe
"C:\Users\Admin\AppData\Local\Temp\63HiIJrDNvEfDcl.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1312

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\63HiIJrDNvEfDcl.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrwJUPrQkQA.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4864

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrwJUPrQkQA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAA5.tmp"
2⤵
- Creates scheduled task(s)
PID:332

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:2836

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "IMAP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC11D.tmp"
3⤵
- Creates scheduled task(s)
PID:4884

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "IMAP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC2D4.tmp"
3⤵
- Creates scheduled task(s)
PID:3712

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d0c46cad6c0778401e21910bd6b56b70

SHA1
7be418951ea96326aca445b8dfe449b2bfa0dca6

SHA256
9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

SHA512
057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
8de4682146317355e0de66b72e8e41f3

SHA1
fc16942e7b7cb890df49f794dba69b12e19af2e6

SHA256
6af0875c5bdbc843b236f2b85ea273d48aec598af04116a0395722a34ab1663a

SHA512
5e2849cf8223b634d8e6970ab25a9b6b81ee88b103aa1f9410179b8470ce8877e28d549356bf9e0ba5e9d59328b87ee566031aa87298b74278df78995ecf79d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fqelocxr.gvp.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBAA5.tmp
Filesize
1KB

MD5
d1114402652e83be5631688922b1a750

SHA1
598c92206d0fc08a001b227b513c22c381ae3552

SHA256
9587e57c73ad2c42da9d4041fa05719593a49dd9e7834fefe12a6af096dede9b

SHA512
2bb7a69186bed010262e792cb34a977a2b8bd0821fea6f888b6d006e6bfe98f324176152b01f5e8846d455c50a356afa4eee1fb2e5bbecbdd18a67be61bf0cec

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC11D.tmp
Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC2D4.tmp
Filesize
1KB

MD5
26949241adb22a61a6641ec627a46817

SHA1
d87d9df2a1ac64731e8b2b2a20fc769aeac93680

SHA256
c7a1cbfef12a6b597255e96334581a90386007011a810a4f950159f6c16b11d1

SHA512
8c979f3f0193982df8c6a9347af42fcc79acafa9befc5c1f4da9755ab6721ea8bc7a5742b61c6867449efb61a43469152ed9c9d542c0861d1dd72bae487f8b74

Download Submit
memory/1312-5-0x00000000054A0000-0x000000000553C000-memory.dmp

Filesize
624KB

Download
memory/1312-4-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/1312-8-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/1312-9-0x0000000005750000-0x0000000005766000-memory.dmp

Filesize
88KB

Download
memory/1312-10-0x0000000007CE0000-0x0000000007D5C000-memory.dmp

Filesize
496KB

Download
memory/1312-16-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1312-6-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/1312-7-0x0000000005700000-0x000000000571E000-memory.dmp

Filesize
120KB

Download
memory/1312-3-0x0000000005270000-0x0000000005302000-memory.dmp

Filesize
584KB

Download
memory/1312-2-0x0000000005780000-0x0000000005D26000-memory.dmp

Filesize
5.6MB

Download
memory/1312-47-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/1312-21-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/1312-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1312-1-0x00000000006A0000-0x000000000074C000-memory.dmp

Filesize
688KB

Download
memory/1724-25-0x0000000005480000-0x00000000054E6000-memory.dmp

Filesize
408KB

Download
memory/1724-49-0x0000000005AE0000-0x0000000005B2C000-memory.dmp

Filesize
304KB

Download
memory/1724-96-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/1724-85-0x00000000070A0000-0x0000000007136000-memory.dmp

Filesize
600KB

Download
memory/1724-26-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/1724-15-0x0000000004650000-0x0000000004686000-memory.dmp

Filesize
216KB

Download
memory/1724-20-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/1724-24-0x0000000005360000-0x0000000005382000-memory.dmp

Filesize
136KB

Download
memory/1724-48-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

Filesize
120KB

Download
memory/1724-73-0x0000000075640000-0x000000007568C000-memory.dmp

Filesize
304KB

Download
memory/1724-19-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/1724-18-0x0000000004CC0000-0x00000000052EA000-memory.dmp

Filesize
6.2MB

Download
memory/1724-28-0x0000000005610000-0x0000000005967000-memory.dmp

Filesize
3.3MB

Download
memory/1724-17-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/2836-58-0x0000000005220000-0x000000000522C000-memory.dmp

Filesize
48KB

Download
memory/2836-60-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/2836-59-0x0000000005290000-0x00000000052AE000-memory.dmp

Filesize
120KB

Download
memory/2836-57-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/2836-34-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4864-71-0x0000000006A20000-0x0000000006A3E000-memory.dmp

Filesize
120KB

Download
memory/4864-72-0x0000000007430000-0x00000000074D4000-memory.dmp

Filesize
656KB

Download
memory/4864-82-0x0000000007EA0000-0x000000000851A000-memory.dmp

Filesize
6.5MB

Download
memory/4864-83-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/4864-84-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/4864-62-0x0000000075640000-0x000000007568C000-memory.dmp

Filesize
304KB

Download
memory/4864-86-0x0000000007980000-0x0000000007991000-memory.dmp

Filesize
68KB

Download
memory/4864-87-0x00000000079B0000-0x00000000079BE000-memory.dmp

Filesize
56KB

Download
memory/4864-88-0x00000000079C0000-0x00000000079D5000-memory.dmp

Filesize
84KB

Download
memory/4864-89-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/4864-90-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

Filesize
32KB

Download
memory/4864-61-0x00000000069E0000-0x0000000006A14000-memory.dmp

Filesize
208KB

Download
memory/4864-22-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/4864-27-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download
memory/4864-97-0x0000000074D90000-0x0000000075541000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads