njrat | fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6

General

Target

fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe
Size

115KB
MD5

24afb670bfc40042810d583d94576877
SHA1

cccb6c6ef2c56d0d3eb22278a337900b410bdceb
SHA256

fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6
SHA512

f68b51b700b68ee4a8084e9d6c6ad8c1bf1c506854bd79f258d4641afb2fcae758b6712f14946718af3ab2f2d929fbec31fd8fdd637c9341e1bb3869e54ce5d4
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIIn:P5eznsjsguGDFqGZ2rDII

Score

10^/10

njrat neuf evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

4988 netsh.exe

pid	process
4988	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe

Executes dropped EXE 4 IoCs

Processes:

chargeable.exechargeable.exechargeable.exechargeable.exe

pid process

4680 chargeable.exe
2756 chargeable.exe
1812 chargeable.exe
3512 chargeable.exe

pid	process
4680	chargeable.exe
2756	chargeable.exe
1812	chargeable.exe
3512	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe"	fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

chargeable.exe

description	pid	process	target process
PID 4680 set thread context of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 set thread context of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 set thread context of 3512	4680	chargeable.exe	chargeable.exe

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

736 3512 WerFault.exe chargeable.exe
968 1812 WerFault.exe chargeable.exe

pid	pid_target	process	target process
736	3512	WerFault.exe	chargeable.exe
968	1812	WerFault.exe	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

chargeable.exe

description	pid	process
Token: SeDebugPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe
Token: 33	2756	chargeable.exe
Token: SeIncBasePriorityPrivilege	2756	chargeable.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exechargeable.exechargeable.exe

description	pid	process	target process
PID 3532 wrote to memory of 4680	3532	fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe	chargeable.exe
PID 3532 wrote to memory of 4680	3532	fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe	chargeable.exe
PID 3532 wrote to memory of 4680	3532	fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 2756	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 1812	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 4680 wrote to memory of 3512	4680	chargeable.exe	chargeable.exe
PID 2756 wrote to memory of 4988	2756	chargeable.exe	netsh.exe
PID 2756 wrote to memory of 4988	2756	chargeable.exe	netsh.exe
PID 2756 wrote to memory of 4988	2756	chargeable.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe
"C:\Users\Admin\AppData\Local\Temp\fd3afc88f051b6a3bcb022788fa52b820cf112bd806448b8818659bf2d527df6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3532

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
"C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4680

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
3⤵
- Executes dropped EXE
PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 80
4⤵
- Program crash
PID:736

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
3⤵
- Executes dropped EXE
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 80
4⤵
- Program crash
PID:968

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1812 -ip 1812
1⤵
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3512 -ip 3512
1⤵
PID:3276

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Filesize
115KB

MD5
3bb969f38dc496e7726c8abc09a0bffa

SHA1
6b21e4a53a7b6bfb0a5c8ade1882efb0284ef88b

SHA256
0cf9c65f6b8c7428b0200aa387e64a33947731da0afa89729a8ea9e7f661e501

SHA512
58d7112f97754d298e322124330b1dd2a2843c1466c5ce3e3cb9b2dfd8a33f30d91fe342c4d693231837fa9c90668108f84c363371d1f8a637865d3d90bcc264

Download Submit
memory/2756-29-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2756-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2756-31-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2756-30-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2756-32-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3532-2-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3532-18-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3532-1-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/3532-0-0x0000000075472000-0x0000000075473000-memory.dmp

Filesize
4KB

Download
memory/4680-17-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/4680-19-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/4680-28-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads