njrat | 1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a

General

Target

1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Size

114KB
MD5

0233a24559d6825bdb7f0ec045758cae
SHA1

b0161acb0a9bdfa28075e23b7d38ba0758fe99bc
SHA256

1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a
SHA512

51e6f62ac49df9f941cdbb1fab1232336b0409c592900e1bb871d3be6d0a808d3690c1f6fbdc15dbaf0ab110664bf92457ec98e863434bd120505473a8fa380f
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMM:P5eznsjsguGDFqGZ2rM

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
2624	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2136	chargeable.exe
2816	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2728	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
2728	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe"	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2816	2136	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe
Token: 33	2816	chargeable.exe
Token: SeIncBasePriorityPrivilege	2816	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2136	2728	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2728 wrote to memory of 2136	2728	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2728 wrote to memory of 2136	2728	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2728 wrote to memory of 2136	2728	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2136 wrote to memory of 2816	2136	chargeable.exe	31
PID 2816 wrote to memory of 2624	2816	chargeable.exe	32
PID 2816 wrote to memory of 2624	2816	chargeable.exe	32
PID 2816 wrote to memory of 2624	2816	chargeable.exe	32
PID 2816 wrote to memory of 2624	2816	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
"C:\Users\Admin\AppData\Local\Temp\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- 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:2136
- - 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:2816
  - - 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:2624

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
a118f669ec2e3878d733548e80c0df0a

SHA1
a5fcdb8ff5a553d2b4dc36dd06ab0d840b39f7c9

SHA256
f542d4e2fdc6713a5816dba1dd9c9ae741461ff03489a0d2b579ecd795763ad3

SHA512
223681adfe2bb3829b31fb664c46f5e88763f39dc4121105490aefdfddb4f1232a4e9e8f84109f2fd1d8860031903b99e8f56c426d8ff4a56c00fb93beaa560e

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

Filesize
342B

MD5
75b7b1137abf0ac30b1d1c4998a5d960

SHA1
8494ca19bee7bdd7bcfd2444495000e5191fc95a

SHA256
51e2b57f958db88405101b279e10e34c1151f3b756b42d7960d9db2ec01495d6

SHA512
febb8c79459e8ea91f61b6cfe115a99ec06e6bd2f989d5ecb2946245d73976f94b0eed5b163995d3d21569464908eda411213e35f52cb1e53213a1135cb35cdf

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

Filesize
342B

MD5
eaf8681892d3419608a7fdf559ffc55b

SHA1
bed95f1583e6c562f0742840ec24eb85c642ee66

SHA256
cc2d0bfd46ea3bb94bec99a689496298e42e3ec4402052dba5eb7757dd19c331

SHA512
ebfe1a8031089d20580d4ccad3924b3fda009167016daacaa0d2d73d3de274dfbce53b4513f8f1cf62263e2fe9bfee12e5f60ce2c4460507c445a9ade01b24c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6366.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6379.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
114KB

MD5
33c1332af9123c61ca260fb14714a376

SHA1
860f04f752eeb1451ca1db15207dbfd7b7a21d96

SHA256
8a41947a3fb5a732c7dbb7733188b80c04281bc994f50a199488b872b11d5020

SHA512
076e539bee16602963321ffea2183609f1f9c2a178837e23c3b8c2436777f4f019f1338892588db38bf9edc8df3f99cb4f1eb631bac706e92430c7569fab485b

Download Submit
memory/2728-168-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-0-0x0000000074081000-0x0000000074082000-memory.dmp

Filesize
4KB

Download
memory/2728-2-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-193-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-1-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2816-342-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2816-345-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2816-344-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads