njrat | 87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953

General

Target

87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Size

97KB
MD5

1a2571d1fbd765cbfc662ac7b1670ac5
SHA1

b483fc154e01ca8b5f8b79b0f72f3c6a7559dd41
SHA256

87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953
SHA512

222db62bbfe7993200905775787de3e404e139d06f6877e928a908b0351223f3179de6dad7565999b97983b6b26e142e63f73230f832db6a30e92d50fe8770e2
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4X:d5eznsjsguGDFqGX

Score

10^/10

njrat neuf defense_evasion discovery 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 family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2692	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe

Executes dropped EXE 2 IoCs

pid	Process
3596	chargeable.exe
4748	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe"	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3596 set thread context of 4748	3596	chargeable.exe	101

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

System Information Discovery
T1082

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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe
Token: 33	4748	chargeable.exe
Token: SeIncBasePriorityPrivilege	4748	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5624 wrote to memory of 3596	5624	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	98
PID 5624 wrote to memory of 3596	5624	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	98
PID 5624 wrote to memory of 3596	5624	87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe	98
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 3596 wrote to memory of 4748	3596	chargeable.exe	101
PID 4748 wrote to memory of 2692	4748	chargeable.exe	102
PID 4748 wrote to memory of 2692	4748	chargeable.exe	102
PID 4748 wrote to memory of 2692	4748	chargeable.exe	102

C:\Users\Admin\AppData\Local\Temp\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe
"C:\Users\Admin\AppData\Local\Temp\87bd0c3dce360cbd639389b46d798f798b797d41d4facbe492d780c3f5adf953.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5624
- 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:3596
- - 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:4748
  - - 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:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

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

Command and Control

Exfiltration

Impact

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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
97KB

MD5
16192dc3efc641d674f3a6cbf9e48046

SHA1
81ea79f869b7711c164623555ce63738dba941d8

SHA256
315300800cfa5823cecdd851a8b4c0cd25fc3fd3737dfe8d4149bb8385c29750

SHA512
5216d284a626c1647d3f582c1444cc3c3b67cde807dad44f9a6fcf51f65937e29a730cec5ae05e4a338895344924ac0851b8c27a7477fb3727b2f35ad5beae94

Download Submit
memory/3596-27-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3596-21-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/3596-20-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/4748-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4748-26-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/4748-28-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/5624-7-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/5624-19-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/5624-6-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/5624-0-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/5624-2-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/5624-1-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads