njrat | 76cfe64e0d157bfb4c6bde6a63bd73f1cbefabc3a8616c47bdc60cef7814bd8d

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 12:53

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General

Target
38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe
Size 114KB
Sample240509-p4pdmadc92
SHA256 76cfe64e0d157bfb4c6bde6a63bd73f1cbefabc3a8616c47bdc60cef7814bd8d
MD5 38dc4bb11303cb0e5e9548ec23a150a0
SHA1 14f491c5d8a21aa3056fa5aa36b3f441043ccc04
SHA512 048d084982f2cb2785a495ca23af1cc3ab03b3cec5a9b63ee86fe02053ff4e77b56288db5ccb0643d02f57cbc9e4810950ec6149de89f23a03bd6df168dc4ad9
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLk:P5eznsjsguGDFqGZ2rDLk
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
1116	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

pid	Process
4176	chargeable.exe
4748	chargeable.exe
1300	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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe"	38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4176 set thread context of 4748	4176	chargeable.exe	85
PID 4176 set thread context of 1300	4176	chargeable.exe	84

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
464	1300	WerFault.exe	84

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 22 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 4176	4248	38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe	83
PID 4248 wrote to memory of 4176	4248	38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe	83
PID 4248 wrote to memory of 4176	4248	38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe	83
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 4748	4176	chargeable.exe	85
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4176 wrote to memory of 1300	4176	chargeable.exe	84
PID 4748 wrote to memory of 1116	4748	chargeable.exe	89
PID 4748 wrote to memory of 1116	4748	chargeable.exe	89
PID 4748 wrote to memory of 1116	4748	chargeable.exe	89

C:\Users\Admin\AppData\Local\Temp\38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\38dc4bb11303cb0e5e9548ec23a150a0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4248
- 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:4176
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:1300
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 80
      4⤵
      Program crash
      PID:464
- - 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: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
      PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1300 -ip 1300
1⤵
PID:3164

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

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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

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chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 115KB
SHA256 310046e9e9585beb1052b94b73cf6681ba07111ff4982d2aa2f25fa1a057882a
MD5 486eb619690bb7d6ae3155a9ec9c72b2
SHA1 54e1e264a224cdb04fdecf500bf862c8893f4095
SHA512 d77beb9adc1b8c916fe56c9f0ee4c5a2a3be6e4ba14dfe2b328b81bbbd9f9f31b95de725d99558aab60c27c7ecac340c5178c8d0cba7fea53cc055f00acfaa99
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL6:P5eznsjsguGDFqGZ2rDL6
MD5 SHA1 SHA512 SSDEEP

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memory/4176-18-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4176-19-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4176-27-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4248-0-0x0000000074A32000-0x0000000074A33000-memory.dmp

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memory/4248-1-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4248-2-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4248-17-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4748-20-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4748-26-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4748-28-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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