njrat | a43c49401a1a406b4a903402dda4bc69a804f5d105642a8417b9171aa3ec3010

General

Target

fe4b9dfa13c9eace77f66a4a72b78120N.exe
Size

117KB
MD5

fe4b9dfa13c9eace77f66a4a72b78120
SHA1

007d70531181570848479a935df2d576bff0ec52
SHA256

a43c49401a1a406b4a903402dda4bc69a804f5d105642a8417b9171aa3ec3010
SHA512

31a6d1c76139f6b60bd2959d43bce6e9d33d3a2ee1b66acc5fad53fd0e979f8106d1fe8202b1a87f447e20eeb511b7c6feeadfc5399f21ea8df68f8bccb93edd
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMIYAO:P5eznsjsguGDFqGZ2rIYL

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
2576	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2248	chargeable.exe
2744	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
3044	fe4b9dfa13c9eace77f66a4a72b78120N.exe
3044	fe4b9dfa13c9eace77f66a4a72b78120N.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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	fe4b9dfa13c9eace77f66a4a72b78120N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fe4b9dfa13c9eace77f66a4a72b78120N.exe"	fe4b9dfa13c9eace77f66a4a72b78120N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2744	2248	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 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	fe4b9dfa13c9eace77f66a4a72b78120N.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe
Token: 33	2744	chargeable.exe
Token: SeIncBasePriorityPrivilege	2744	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2248	3044	fe4b9dfa13c9eace77f66a4a72b78120N.exe	30
PID 3044 wrote to memory of 2248	3044	fe4b9dfa13c9eace77f66a4a72b78120N.exe	30
PID 3044 wrote to memory of 2248	3044	fe4b9dfa13c9eace77f66a4a72b78120N.exe	30
PID 3044 wrote to memory of 2248	3044	fe4b9dfa13c9eace77f66a4a72b78120N.exe	30
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2248 wrote to memory of 2744	2248	chargeable.exe	32
PID 2744 wrote to memory of 2576	2744	chargeable.exe	33
PID 2744 wrote to memory of 2576	2744	chargeable.exe	33
PID 2744 wrote to memory of 2576	2744	chargeable.exe	33
PID 2744 wrote to memory of 2576	2744	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\fe4b9dfa13c9eace77f66a4a72b78120N.exe
"C:\Users\Admin\AppData\Local\Temp\fe4b9dfa13c9eace77f66a4a72b78120N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:2248
- - 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:2744
  - - 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:2576

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\Content\37C951188967C8EB88D99893D9D191FE

Filesize
1KB

MD5
e7122c733f9e37bba0ca4c985ce11d6d

SHA1
d661aa5b31ff7ef2df9bc4095279058c36499af2

SHA256
acc9932453f5aa68f4b95986668f5584f99e55bbe02eefc0d0960dab376df81a

SHA512
84cddf68a46f455b4ebbb8c0c70607fe60796cfc5eabdace12d0684a1323af9681700acbdbdc37e63d7806d0220fce9cba5213bb35cee056f9d71646f98711b9

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

Filesize
264B

MD5
6da2ce9fafd16b06e7cefc6adb3b0f3e

SHA1
25f15cb760da8ccfec30b918d7d3fc8a5f1f7aca

SHA256
719f4ce829abbba8287cd23886e4ec61ee1cf6ed4424be5c9df12e1f697aaea3

SHA512
79147d896488e4da31ff9c09bb9fb0dbb4766a4963d0afe8ebbc97ec2aabb9ef27b17a10b33a5e7929a7b0cbebc3e762557f1ce292ac27db7c66ddbdf8039f0f

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

Filesize
342B

MD5
91fb145c8a6e8fdad0996f77ce792eb2

SHA1
bf98848864a26746fd3348a82c54358a685edfee

SHA256
d0488d245d97033fbdc81184a2aaa58720f376d4440cd33de415c20a922ed311

SHA512
3ee793d73bd4e1804a6e77b5999fccf2af000c1dacf9d549956459219ca956c47fc933ec748c54b742dbd033c3c1ba3c3e384ab6fa148d3c382a759c3efdf3eb

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

Filesize
342B

MD5
2b6adc537cf1babfaeb959c42d8a80db

SHA1
b6852742d613e666fde5fde3a006a52ce0ccf7cf

SHA256
eb24b0625115f361e2a820f142d9d54d0bc83a16a680c984df968ea3afb81e74

SHA512
6ccc97db3dfe65ba1a4d4652e719fe04cf25ed001591fc6cc29a996b50c62e0007e2c9ea16f7d6adb54d5e91e18d74c05863f019694cdef271145167db61c897

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

Filesize
342B

MD5
e80c5492ecc30c5918156c19dbccbde5

SHA1
5980fb32aa3150e2da9c84b8046fda694724eda6

SHA256
4e79ededb844d9a9420c0302afed868e683be8a12bbeaaaa44d648269c50d39e

SHA512
d06758bd9567d14cd2bc80ad7d02fa153e8d2f3edace9127f1cb234a3238dbb78ab9e225e7a11e9952a29394874e663af67d4a997811af66c644f092807847d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab88D1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar88D4.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
117KB

MD5
c781beae4226c2b613a76f594d4dc152

SHA1
5327afa9ce9f647fd475dbb9ab427401b79e2a04

SHA256
268caa037f1e49bf0b86438f8a5d9efd64ffd3f5830b9ac290800e9e4d99c1c3

SHA512
a8b29a0149b86c0bf25ac68ffcdd077231ad8c8891d81241cdcf893593c474dcb65f4cfb1fdc9f00090aa732c16427a48f3e7ad663f118f4c0a02242c842af8e

Download Submit
memory/2744-346-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2744-345-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2744-343-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3044-185-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-164-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-0-0x0000000074C71000-0x0000000074C72000-memory.dmp

Filesize
4KB

Download
memory/3044-1-0x0000000074C70000-0x000000007521B000-memory.dmp

Filesize
5.7MB

Download
memory/3044-2-0x0000000074C70000-0x000000007521B000-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