njrat | e3f63a4ddb9885b2a890a887454850f4b47bb4cb956bef7e98be37a579c84e65

General

Target

f9a4d98c734695a1c02d4620da8cce10N.exe
Size

118KB
MD5

f9a4d98c734695a1c02d4620da8cce10
SHA1

31b5e04977054b521afd697199108745be6b081a
SHA256

e3f63a4ddb9885b2a890a887454850f4b47bb4cb956bef7e98be37a579c84e65
SHA512

c5e51e9f0250935f73cdf31d4132f12ba47b69ac3930b43b8a03f29949c66c48a5bfd4cb878e2ee5b9acaaacf0a7bdc7cb9f66be8ef96b8f669c2085b5cbff71
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL2rKIt:P5eznsjsguGDFqGZ2rDL2OIt

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/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
2888	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1580	chargeable.exe
2256	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2476	f9a4d98c734695a1c02d4620da8cce10N.exe
2476	f9a4d98c734695a1c02d4620da8cce10N.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	f9a4d98c734695a1c02d4620da8cce10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f9a4d98c734695a1c02d4620da8cce10N.exe"	f9a4d98c734695a1c02d4620da8cce10N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1580 set thread context of 2256	1580	chargeable.exe	32

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	f9a4d98c734695a1c02d4620da8cce10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe
Token: 33	2256	chargeable.exe
Token: SeIncBasePriorityPrivilege	2256	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1580	2476	f9a4d98c734695a1c02d4620da8cce10N.exe	31
PID 2476 wrote to memory of 1580	2476	f9a4d98c734695a1c02d4620da8cce10N.exe	31
PID 2476 wrote to memory of 1580	2476	f9a4d98c734695a1c02d4620da8cce10N.exe	31
PID 2476 wrote to memory of 1580	2476	f9a4d98c734695a1c02d4620da8cce10N.exe	31
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 1580 wrote to memory of 2256	1580	chargeable.exe	32
PID 2256 wrote to memory of 2888	2256	chargeable.exe	33
PID 2256 wrote to memory of 2888	2256	chargeable.exe	33
PID 2256 wrote to memory of 2888	2256	chargeable.exe	33
PID 2256 wrote to memory of 2888	2256	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\f9a4d98c734695a1c02d4620da8cce10N.exe
"C:\Users\Admin\AppData\Local\Temp\f9a4d98c734695a1c02d4620da8cce10N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476
- 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:1580
- - 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:2256
  - - 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:2888

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

System Information Discovery

1

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
b9d895cdac909e7871557e9cd916811c

SHA1
434a3a2c7e017384b3984562310a219e2001ed6b

SHA256
7281b60f584c6c1508478369a2b38ca7a7c7c0b5dc47f5b2539fc5ce66d95ea6

SHA512
e9711ad08b397caec3a17ce7ba95518f915f27a681fab307bd703eeff239c116f90069bd7dae8b562da22654fc19dba31f857c6e9e017b40137af49346704b2f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
c2f8bacc03f6fd046f0fc37e5ec9c07a

SHA1
e4c14dec55db070d1322c8acf326d657bc2f9512

SHA256
4f165016447b965eaad43e2cc5d3bb7020d2fee3a04ea0951b5ad2f42951d6b5

SHA512
2ac10aa3488bcfe74061ac05c06000ff038a5cfd89b20144e500ab75554524e68c16adb2c464f7a347e1d766c8468dcd9e592e3d5c398050198443e38626a997

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
9f73a960d19b68222883b908f6548ae3

SHA1
407ad6ffc036f1b280fa21b461895abfad8d33a6

SHA256
8d9e3207ac71dd5adf670c395cef9eea2854c52e6e82ab1524331b35f5fe6570

SHA512
f1df138f8f89e4f53093bc52a477119f0aa5d0d5c69e4d15b56e00978bfe71ede195c53d728affcb4775477b3a6a6991e5cc07fe9f2764c39dc81133e16100af

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9A4E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9A61.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
118KB

MD5
7d0a87614d6449b63d1bb75235ff1ec4

SHA1
e6f8e5001578927835cf7b3acd3f7a679d43aa22

SHA256
85363c9068e24ea526184258b7771f754a254a7c25343ad87c6975ad9613b5ac

SHA512
ae47035be4ffef2eda86d0219e20de83de555087c49310a229a830f38414d3609be998a8c238aabc640c5a0bf9963dbecd181dddda10e2c94eb6b54640773e32

Download Submit
memory/2256-338-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2256-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2256-341-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2476-0-0x0000000074271000-0x0000000074272000-memory.dmp

Filesize
4KB

Download
memory/2476-116-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-174-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-1-0x0000000074270000-0x000000007481B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-2-0x0000000074270000-0x000000007481B000-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