njrat | 98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61df

General

Target

98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
Size

117KB
MD5

6eefb4f44dfecd1aff72270ce996d260
SHA1

ca44fdb831b46dfee3ceb04a52bb111d9cfec7a7
SHA256

98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61df
SHA512

8bcf0f60850a2a3c1808eeff9350cd4249a8156495c61c9af2ccaa049a9506cc0a0b1b5db9cd09b31399f0ba47eb50969f4f215be13aa6a26927ebbb63696bd1
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVH:P5eznsjsguGDFqGZ2rDLt

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 family
njrat
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

pid	Process
4476	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe

Executes dropped EXE 2 IoCs

pid	Process
2564	chargeable.exe
4548	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe"	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2564 set thread context of 4548	2564	chargeable.exe	95

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.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

description	pid	Process
Token: SeDebugPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe
Token: 33	4548	chargeable.exe
Token: SeIncBasePriorityPrivilege	4548	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 2564	3396	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	92
PID 3396 wrote to memory of 2564	3396	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	92
PID 3396 wrote to memory of 2564	3396	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	92
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 2564 wrote to memory of 4548	2564	chargeable.exe	95
PID 4548 wrote to memory of 4476	4548	chargeable.exe	96
PID 4548 wrote to memory of 4476	4548	chargeable.exe	96
PID 4548 wrote to memory of 4476	4548	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
"C:\Users\Admin\AppData\Local\Temp\98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- 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:2564
- - 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:4548
  - - 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:4476

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

Replay Monitor

Loading Replay Monitor...

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
117KB

MD5
9316e1a1e08ca69c45b3bb4621fb821c

SHA1
d6942a801969d6088e76a51f6a8ff7fb5b9ed72f

SHA256
97bf16d6abcce3517da04ed0ffd219d591e670ae1cbbbfb89e0214b690fbddb6

SHA512
adfd361a78cbbc3998d13a3db14f13f1c440a787c78e98e74475afd8f49117b520623d7f75e9f854af1878cb4de7fd7c6273bdb4277b516c3d9aac5df720ff9c

Download Submit
memory/2564-27-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2564-22-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2564-21-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-7-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-19-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-20-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download
memory/3396-6-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download
memory/3396-2-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3396-1-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4548-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4548-28-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4548-30-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4548-29-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4548-31-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads