njrat | b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

General

Target

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
Size

114KB
MD5

51fcb0e1145f66264117c2ee3acb717c
SHA1

6e06473649aaa011538582788644181849dc9bc2
SHA256

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c
SHA512

ec3e189e63d873a12807b573e091b009f5b706b1bbe55ad82760815cbc01c08c874986d49fa97ba9ec876987a17f00619159774f6a3d7ea432f4e22a784d69b8
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeRa:P5eznsjsguGDFqGZ2rca

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
2768	netsh.exe

Executes dropped EXE 3 IoCs

pid	Process
2512	chargeable.exe
2356	chargeable.exe
1736	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
292	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
292	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.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\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
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\\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe"	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2356	2512	chargeable.exe	33
PID 2512 set thread context of 1736	2512	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	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	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe
Token: 33	2356	chargeable.exe
Token: SeIncBasePriorityPrivilege	2356	chargeable.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 292 wrote to memory of 2512	292	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	30
PID 292 wrote to memory of 2512	292	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	30
PID 292 wrote to memory of 2512	292	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	30
PID 292 wrote to memory of 2512	292	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	30
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 2356	2512	chargeable.exe	33
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2512 wrote to memory of 1736	2512	chargeable.exe	32
PID 2356 wrote to memory of 2768	2356	chargeable.exe	34
PID 2356 wrote to memory of 2768	2356	chargeable.exe	34
PID 2356 wrote to memory of 2768	2356	chargeable.exe	34
PID 2356 wrote to memory of 2768	2356	chargeable.exe	34

C:\Users\Admin\AppData\Local\Temp\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
"C:\Users\Admin\AppData\Local\Temp\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:292
- 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:2512
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:1736
- - 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:2356
  - - 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:2768

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

Filesize
1KB

MD5
f0cf5b1794eca7cd73f9c020daab8ef2

SHA1
cd040b212f8cd90e629e7acefd14972b68e575ea

SHA256
2af00edce7ef3266897e52dc81e8de3b7a079028c0f1f96eaff9e38ad342f617

SHA512
55c9f22bc101c986b2e83f31e20415031fbf1fbfedd33907487de75069c43c5cfe3ba243025de6b66405925ba506f66d19d9da69af187f499143bc2da71341de

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

Filesize
264B

MD5
6b2eb49749f6b0d9fc7c3ba01aa35f1d

SHA1
e1e4513ee588f7911bd249001a31c447e8dbd775

SHA256
1e6ab983143aecd787ef072d576e26ec198ce8234f09f2f36f387f5c9f16a60d

SHA512
46b7201cc7d8cd903f9a5706fa577756bddedda1bb2202e7e5809c1857cdc5796a4982c9055c33b15b968eda747f8959c865068565165e1320b1427a83587473

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

Filesize
342B

MD5
35fb7a8417ddbdb626e9cc37ebf28744

SHA1
8b628127cd79fb2a3747bd88d2b35fc2223895ca

SHA256
bfaca9e653bc5a5eead3bcd94d340e963bee299bd1e98906bec77b510663c66f

SHA512
4cbaeb6588a9c02c507a609d9c4d0176f98314ab53207841f62b5baabc251fb63169200478861a9381423ced80dde2d16270764f11880e8db278e65b9386c91f

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

Filesize
342B

MD5
3357fc3d932f2c5cae57234c05d7c81e

SHA1
9343f1569868c78abb43305736d6ac5e744c7af0

SHA256
3143e8347775bfab91f4aec8dbde9738e80bf9f0c545206753c449f75361cb6a

SHA512
26eed60e35df1684cf49db154fdf808580f2e5dab9873eb587ee31143d243169230aa1e83efadd7c848e14e442274fc44bd304c6e355c12e8b8168ae49ee9e03

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

Filesize
342B

MD5
6ee2f03c18ad6cf9fffd8ac4f915ec94

SHA1
f7555acf09544207ef88ce84f0f91291b0c600bb

SHA256
3ae394d4ca75667db8ac0168b9f70ab378407441f81b17ac6129cf84d39ee746

SHA512
b00994daef5e932d727c8250c311913b19a937f72f31304fd7c04bc3a85f0b7a86389f97928a2290a0be07386f1a7cf46a4ba5797af511985f891ef3c509870b

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA3EF.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA402.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
114KB

MD5
691e93d9b8bdc21e358d3a509b4b9521

SHA1
0a84562bcdbde7cff379345e1de3466d390af366

SHA256
a27d35327ec4341f8aa3699f277114174012d8d0b1b419075531d52052d458df

SHA512
9c5480ab1805d4bd4a84bc5debd0ca0a07f2c262dd872810609083fe189af25d47f27329351bb0eb43731cc304e3be7b99f0afd4bc16fb2073320e6bcacf2ccd

Download Submit
memory/292-177-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/292-167-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/292-0-0x0000000074651000-0x0000000074652000-memory.dmp

Filesize
4KB

Download
memory/292-2-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/292-1-0x0000000074650000-0x0000000074BFB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-343-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2356-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2356-347-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads