njrat | 3243f9b754342412b3dfdcdb6b3dabeea1388ee94ee32af129ceec5d8097799b

General

Target

86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe
Size

113KB
MD5

86a9fd7269d1fadb204a7612df599e50
SHA1

7e404cb4f315312d6f37b61c46f2e54ddb038728
SHA256

3243f9b754342412b3dfdcdb6b3dabeea1388ee94ee32af129ceec5d8097799b
SHA512

02d7625060a1fb7c3751e66177633818a490b932744f4551b9543eb599ff92c1d2b1e3133dee87a1bba548227b66a4bd5059523a7c7fc3d95a3f5792d8df5c31
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiatS:P5eznsjsguGDFqGZ2ra

Score

10^/10

njrat neuf evasion persistence 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/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
3892	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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

pid	Process
220	chargeable.exe
4940	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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe"	86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 4940	220	chargeable.exe	94

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	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe
Token: 33	4940	chargeable.exe
Token: SeIncBasePriorityPrivilege	4940	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 220	1840	86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe	92
PID 1840 wrote to memory of 220	1840	86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe	92
PID 1840 wrote to memory of 220	1840	86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe	92
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 220 wrote to memory of 4940	220	chargeable.exe	94
PID 4940 wrote to memory of 3892	4940	chargeable.exe	96
PID 4940 wrote to memory of 3892	4940	chargeable.exe	96
PID 4940 wrote to memory of 3892	4940	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\86a9fd7269d1fadb204a7612df599e50_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1840
- 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:220
- - 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:4940
  - - 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:3892

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

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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
113KB

MD5
5901e3ce6b0ee930066b4bbaff9788e2

SHA1
ff052960e7180692c5ad49e07933fdd8f419e6cd

SHA256
5235eab99b6b782d012245848ec4c8f099fa2d4343f82d633c3f58c60e2efce3

SHA512
89c37067094ab82c65e7fc75b3f308547e2c15d7c9ca0c753e9651c9717e00a53a0bec154d6781f0824b6d62119d6953a05f74f15bfdf47e3115b76e3dbf42d0

Download Submit
memory/220-19-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/220-24-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/220-17-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/1840-18-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/1840-0-0x00000000752E2000-0x00000000752E3000-memory.dmp

Filesize
4KB

Download
memory/1840-2-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/1840-1-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/4940-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4940-25-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/4940-26-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/4940-27-0x00000000752E0000-0x0000000075891000-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