njrat | fa782fccfb9233890a5bfce7def3b8bae0ff44e0a1f01e54be4902540bfa76f1

General

Target

4e49377627bdb3bc5412e6b7620df720N.exe
Size

116KB
MD5

4e49377627bdb3bc5412e6b7620df720
SHA1

c4cf7eac84cc21c1e86107e2accd5f3125063988
SHA256

fa782fccfb9233890a5bfce7def3b8bae0ff44e0a1f01e54be4902540bfa76f1
SHA512

935eb0500c7a2a2ef1482127e674acf38211f9e804c7faa3aaf5e65afc2184beecf4e17975811e168b045aea0f100ab992e8ac30303f93f31a1f3424339525d9
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLo:P5eznsjsguGDFqGZ2rDLo

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
2688	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2664	chargeable.exe
2840	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2192	4e49377627bdb3bc5412e6b7620df720N.exe
2192	4e49377627bdb3bc5412e6b7620df720N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	4e49377627bdb3bc5412e6b7620df720N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4e49377627bdb3bc5412e6b7620df720N.exe"	4e49377627bdb3bc5412e6b7620df720N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 2840	2664	chargeable.exe	31

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	4e49377627bdb3bc5412e6b7620df720N.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe
Token: 33	2840	chargeable.exe
Token: SeIncBasePriorityPrivilege	2840	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2664	2192	4e49377627bdb3bc5412e6b7620df720N.exe	30
PID 2192 wrote to memory of 2664	2192	4e49377627bdb3bc5412e6b7620df720N.exe	30
PID 2192 wrote to memory of 2664	2192	4e49377627bdb3bc5412e6b7620df720N.exe	30
PID 2192 wrote to memory of 2664	2192	4e49377627bdb3bc5412e6b7620df720N.exe	30
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2664 wrote to memory of 2840	2664	chargeable.exe	31
PID 2840 wrote to memory of 2688	2840	chargeable.exe	32
PID 2840 wrote to memory of 2688	2840	chargeable.exe	32
PID 2840 wrote to memory of 2688	2840	chargeable.exe	32
PID 2840 wrote to memory of 2688	2840	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\4e49377627bdb3bc5412e6b7620df720N.exe
"C:\Users\Admin\AppData\Local\Temp\4e49377627bdb3bc5412e6b7620df720N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- 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:2664
- - 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:2840
  - - 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:2688

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
fe5719b3a8949bbdd38aa8b784c0130b

SHA1
16a0afd4377924845bcce16942b363ba1a1ec787

SHA256
138008cf5e7b39371acc6a1479920582beeca8f74d105f017b50264923c3e822

SHA512
d9e9ce1aca475244afd0c4e061893fb6a1d30d225443b46fc6265c3f2b91ff1d2d1d4ead99e9824162f22332de836e2deafa49613f7807f28449cc0dec840ab2

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

Filesize
342B

MD5
6c3d10dc21a29a79c9458beaec2531ae

SHA1
993a53153d306c2f7f0c6ca27307d54b49e205ba

SHA256
3327adbc193a3bf29cea481fe53145bafacfcbe8b0d533eabfffde833435d1f3

SHA512
10655d2836e7a3e9e59d3d2fa52d239a8890174b6d3f8bd94fbad1e67e6932ae24c7e608011dbcf7219842acf480f7f132e3db52c2046b1e715d592a7ec01631

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

Filesize
342B

MD5
6c0a98de7f715ebc60034ce46439a3bf

SHA1
60682d96983812491b68312d7fa187698e396a4c

SHA256
7fa88f92153c14b62d25a1ed4e2e8a9c89afa0dc99352d9e7a2b32313b124d1e

SHA512
b3f27f642c35c831b35491c0e07aa1268edda6694f0317dbd039e1e16db993430ec0a84d9de56c6a0b6f843a16320430e7a8660bb93ff4a888947427feddac28

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab762B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar765D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
116KB

MD5
c3babeda1cf19b1f21e097bfd6aa8822

SHA1
935672b9406f65e02288ab74f7ba5231fcf8d6a4

SHA256
817dd1ac4de7c02dde8f2c288e7288c7dfaa6a7c63fac5391f19e093381583f2

SHA512
b11f4c6f0578c5d7974da896b2df74a1a2c63d0a58f4480a7f03b113dc443a25c1acddac01b8f70602261b0c697ec903d726ab69f79d355ba6567029917c0eb5

Download Submit
memory/2192-167-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2192-177-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2192-0-0x0000000074B41000-0x0000000074B42000-memory.dmp

Filesize
4KB

Download
memory/2192-1-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2840-341-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2840-344-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2840-343-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads