njrat | ec373f0f290e687626e8bef4bef704c57746c3b40bb5057388ed5cef91db1f5f

General

Target

a998b2178f332db59118f74884685fe0N.exe
Size

111KB
MD5

a998b2178f332db59118f74884685fe0
SHA1

edf02e62ed5b0ecb01b5d9cbe3315047b7b144c3
SHA256

ec373f0f290e687626e8bef4bef704c57746c3b40bb5057388ed5cef91db1f5f
SHA512

bb4c006232b22c03d99340d6e9225af29fba910d619430c24462bd8b7636bf8bca2bed760a078caae9775066ee2a46f49ba6a2e296cd1881c2f5d0565a15eda2
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73TO:w5eznsjsguGDFqGx8egoxmO3rTO

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation 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

3900 netsh.exe

pid	process
3900	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:

a998b2178f332db59118f74884685fe0N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	a998b2178f332db59118f74884685fe0N.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid process

4888 chargeable.exe
4392 chargeable.exe

pid	process
4888	chargeable.exe
4392	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

a998b2178f332db59118f74884685fe0N.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a998b2178f332db59118f74884685fe0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a998b2178f332db59118f74884685fe0N.exe"	a998b2178f332db59118f74884685fe0N.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description pid process target process

PID 4888 set thread context of 4392 4888 chargeable.exe chargeable.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4888 set thread context of 4392	4888	chargeable.exe	chargeable.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

a998b2178f332db59118f74884685fe0N.exechargeable.exechargeable.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a998b2178f332db59118f74884685fe0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

chargeable.exe

description	pid	process
Token: SeDebugPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe
Token: 33	4392	chargeable.exe
Token: SeIncBasePriorityPrivilege	4392	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a998b2178f332db59118f74884685fe0N.exechargeable.exechargeable.exe

description	pid	process	target process
PID 2860 wrote to memory of 4888	2860	a998b2178f332db59118f74884685fe0N.exe	chargeable.exe
PID 2860 wrote to memory of 4888	2860	a998b2178f332db59118f74884685fe0N.exe	chargeable.exe
PID 2860 wrote to memory of 4888	2860	a998b2178f332db59118f74884685fe0N.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4888 wrote to memory of 4392	4888	chargeable.exe	chargeable.exe
PID 4392 wrote to memory of 3900	4392	chargeable.exe	netsh.exe
PID 4392 wrote to memory of 3900	4392	chargeable.exe	netsh.exe
PID 4392 wrote to memory of 3900	4392	chargeable.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\a998b2178f332db59118f74884685fe0N.exe
"C:\Users\Admin\AppData\Local\Temp\a998b2178f332db59118f74884685fe0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
"C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3900

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
111KB

MD5
7f2c6285cce23b53150798b0f1d91f78

SHA1
627dc371e425debb69bb565517fed8d47e318012

SHA256
d679a12a849c135e91ae5d032a1fcfa92ab2ca7e65cc5ae484dc1d1afd24e4a4

SHA512
e12ee1b552108d0f0f89dc9b4bcb9e39af4380b85bb834cb7c209084c6736b297e1910e48e795e94b2efb225702f807b1278a582991fbc45e40dcf5853e66fb8

Download Submit
memory/2860-2-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/2860-0-0x0000000074D92000-0x0000000074D93000-memory.dmp

Filesize
4KB

Download
memory/2860-18-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/2860-1-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4392-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4392-27-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4392-26-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4392-28-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4888-17-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4888-19-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4888-20-0x0000000074D90000-0x0000000075341000-memory.dmp

Filesize
5.7MB

Download
memory/4888-25-0x0000000074D90000-0x0000000075341000-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