njrat | e2798e218dd3dc6dcef7a86a0f143acbbbb6d6b4a3aff594b1186c878fecc91a

Analysis

max time kernel
145s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 01:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b54147f2898416a133000ca23f2f698d.exe
Size 107KB
Sample240425-bc8fjace48
SHA256 e2798e218dd3dc6dcef7a86a0f143acbbbb6d6b4a3aff594b1186c878fecc91a
MD5 b54147f2898416a133000ca23f2f698d
SHA1 481632cb0bc1b7e9073140a882e5412278044533
SHA512 0eacf4f94c7de892ddf9357a54b49489723d4c04e3c6652adf98542f5734d932808a253ede96e4c0797d9adb37e07723be847c78233317c7c854752115c7769d
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoNJ:w5eznsjsguGDFqGx8egoNJ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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

pid	Process
2556	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2532	chargeable.exe
2724	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2276	b54147f2898416a133000ca23f2f698d.exe
2276	b54147f2898416a133000ca23f2f698d.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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b54147f2898416a133000ca23f2f698d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b54147f2898416a133000ca23f2f698d.exe"	b54147f2898416a133000ca23f2f698d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2724	2532	chargeable.exe	29

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2532	2276	b54147f2898416a133000ca23f2f698d.exe	28
PID 2276 wrote to memory of 2532	2276	b54147f2898416a133000ca23f2f698d.exe	28
PID 2276 wrote to memory of 2532	2276	b54147f2898416a133000ca23f2f698d.exe	28
PID 2276 wrote to memory of 2532	2276	b54147f2898416a133000ca23f2f698d.exe	28
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2532 wrote to memory of 2724	2532	chargeable.exe	29
PID 2724 wrote to memory of 2556	2724	chargeable.exe	30
PID 2724 wrote to memory of 2556	2724	chargeable.exe	30
PID 2724 wrote to memory of 2556	2724	chargeable.exe	30
PID 2724 wrote to memory of 2556	2724	chargeable.exe	30

C:\Users\Admin\AppData\Local\Temp\b54147f2898416a133000ca23f2f698d.exe
"C:\Users\Admin\AppData\Local\Temp\b54147f2898416a133000ca23f2f698d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2276
- 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:2532
- - 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:2724
  - - 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:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

chargeable.exe

Path \Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 107KB
SHA256 f71f9cb206490fb780b25ab862870ca1411f1867aa0cf1c343346ce49813438a
MD5 4a55c4ce7529e092044ca968483ee15a
SHA1 c3dda68117b50c291107f9c3d40e3f75a5276a49
SHA512 d2e578dc79fa9dbd4d657a2c6e4276316485af866738a4f61953da3bd0d6e27d2d5ecf1722b6447cda1f5c7b8a928227c9f6f3a5c42dab4cf3239efce2869a9f
SSDEEP 1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoNl:w5eznsjsguGDFqGx8egoNl
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2276-15-0x00000000743E0000-0x000000007498B000-memory.dmp

Download

memory/2276-1-0x00000000004C0000-0x0000000000500000-memory.dmp

Download

memory/2276-2-0x00000000743E0000-0x000000007498B000-memory.dmp

Download

memory/2276-0-0x00000000743E0000-0x000000007498B000-memory.dmp

Download

memory/2532-19-0x0000000000360000-0x00000000003A0000-memory.dmp

Download

memory/2532-17-0x0000000000360000-0x00000000003A0000-memory.dmp

Download

memory/2532-18-0x00000000743E0000-0x000000007498B000-memory.dmp

Download

memory/2532-16-0x00000000743E0000-0x000000007498B000-memory.dmp

Download

memory/2532-24-0x00000000743E0000-0x000000007498B000-memory.dmp

Download

memory/2724-20-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2724-23-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2724-26-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2724-27-0x0000000073E30000-0x00000000743DB000-memory.dmp

Download

memory/2724-28-0x0000000073E30000-0x00000000743DB000-memory.dmp

Download

memory/2724-29-0x0000000073E30000-0x00000000743DB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads