njrat | 1a2875d96b4dba55319dd9af314fb8c7232b6248302868b2a164cf7c1f701b7d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 13:06

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe
Size 114KB
Sample240508-qb37raea5t
SHA256 1a2875d96b4dba55319dd9af314fb8c7232b6248302868b2a164cf7c1f701b7d
MD5 bb21c254ff2373e29bcdab438e8ff570
SHA1 170fecf86911763ff8ea83df92b1e4e11fda1a47
SHA512 3d7d51216866e36278c18e99831ee2f812b8f0dbd7871f29409bacda2063feb4e289f2265d58b0a5b8d6d74fad169c4dbf0bfb4d8bb2d769592f230941036fd0
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDg:P5eznsjsguGDFqGZ2rDg
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
3628	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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe

Executes dropped EXE 2 IoCs

pid	Process
316	chargeable.exe
2028	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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe"	bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 316 set thread context of 2028	316	chargeable.exe	83

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	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe
Token: 33	2028	chargeable.exe
Token: SeIncBasePriorityPrivilege	2028	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 316	2824	bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe	82
PID 2824 wrote to memory of 316	2824	bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe	82
PID 2824 wrote to memory of 316	2824	bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe	82
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 316 wrote to memory of 2028	316	chargeable.exe	83
PID 2028 wrote to memory of 3628	2028	chargeable.exe	84
PID 2028 wrote to memory of 3628	2028	chargeable.exe	84
PID 2028 wrote to memory of 3628	2028	chargeable.exe	84

C:\Users\Admin\AppData\Local\Temp\bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\bb21c254ff2373e29bcdab438e8ff570_NEIKI.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2824
- 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:316
- - 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:2028
  - - 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:3628

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

chargeable.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Size 400B
SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
MD5 0a9b4592cd49c3c21f6767c2dabda92f
SHA1 f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA512 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
MD5 SHA1 SHA512

Submit Download

chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 114KB
SHA256 25ba3abe500524a48c8de083fbb07d3ab3124b98c5d23b8b6b139a887dad3fe5
MD5 0eaeb71b3e1d08a95f20338a2832d5c5
SHA1 f1f30c516e851cbfdb6ee519994977be74e3e388
SHA512 cfa881776cceae472f20ed0a21eccb4fba38fb590192273250741d012d3fbe94def6165f4c79a11307f93a46ad05092c18d336e443c7f78990898d3731c514e6
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMD0:P5eznsjsguGDFqGZ2rD0
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/316-19-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/316-18-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/316-24-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/2028-20-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2028-26-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/2028-25-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/2028-27-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/2824-2-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/2824-17-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

memory/2824-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

Download

memory/2824-1-0x0000000074B10000-0x00000000750C1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads