njrat | 3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785

General

Target

3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe
Size

113KB
MD5

2a7b9256c31562a51a8bba4f56b581b0
SHA1

237ef858c1f4e6c9a13b20803f612d4c63ffb788
SHA256

3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785
SHA512

e0bc6a506138a11c8e93d6e1f01855af0c9ad8c0d17c04bd39c2c5e900bfc37781ed7fdbd97a4a199e8682bf2cdde99aff09ae8148385ccb4661266f5950efd4
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vu:w5eznsjsguGDFqGx8egoxmO3rvu

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
816	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	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe

Executes dropped EXE 2 IoCs

pid	Process
1344	chargeable.exe
2832	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"	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.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\\3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe"	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 2832	1344	chargeable.exe	94

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 opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 1344	436	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe	91
PID 436 wrote to memory of 1344	436	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe	91
PID 436 wrote to memory of 1344	436	3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe	91
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 1344 wrote to memory of 2832	1344	chargeable.exe	94
PID 2832 wrote to memory of 816	2832	chargeable.exe	95
PID 2832 wrote to memory of 816	2832	chargeable.exe	95
PID 2832 wrote to memory of 816	2832	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe
"C:\Users\Admin\AppData\Local\Temp\3080e696f81fc5a955d2e350e0feb6108be42d7eb73e3f920666aa85d3d66785N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:436
- 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:1344
- - 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:2832
  - - 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:816

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

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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
bfcc9763f55c53a3ec7c89fd66791c7b

SHA1
d07b938a85e364d46ae35ae735020275b75e70f3

SHA256
c1cb741d1ccc634bff916db92702c2dd16b2e19b64a18c26d1e14c6f71ede82a

SHA512
62a2d5951e8b0fb0a3f5fcae9874e546b89a7d0b1765983b8f7482ed9b66d1abc8f70250af297579330dd058661f7b7ebda9a6c265373e58ed4aae951c929584

Download Submit
memory/436-7-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/436-1-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/436-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/436-2-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/436-20-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/436-6-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/436-19-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1344-22-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1344-23-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1344-21-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1344-28-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2832-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-29-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2832-30-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2832-31-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2832-32-0x0000000074C60000-0x0000000075211000-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