njrat | b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/03/2025, 08:24

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General

Target

b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe
Size

122KB
MD5

1ee06211e754214abe9af879e04cde4f
SHA1

473fa0b148d4964e73afeb0fec2997952d5204df
SHA256

b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2
SHA512

71818bd05be08f4af4ad6e81ad8eecd248181f55ebfe2923fd372c073bf1d6acc395dedf5638da4ea36a26f9313c121a152c7afc36a12262f9a1c7013f2f326a
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgHe:P5eznsjsguGDFqGZ2rDL4e

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3068	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1116	chargeable.exe
2876	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2104	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe
2104	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe"	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1116 set thread context of 2876	1116	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.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 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe
Token: 33	2876	chargeable.exe
Token: SeIncBasePriorityPrivilege	2876	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1116	2104	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe	30
PID 2104 wrote to memory of 1116	2104	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe	30
PID 2104 wrote to memory of 1116	2104	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe	30
PID 2104 wrote to memory of 1116	2104	b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe	30
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 1116 wrote to memory of 2876	1116	chargeable.exe	31
PID 2876 wrote to memory of 3068	2876	chargeable.exe	32
PID 2876 wrote to memory of 3068	2876	chargeable.exe	32
PID 2876 wrote to memory of 3068	2876	chargeable.exe	32
PID 2876 wrote to memory of 3068	2876	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe
"C:\Users\Admin\AppData\Local\Temp\b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- 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:1116
- - 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:2876
  - - 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:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
825B

MD5
3b5e0bd6640456a749d9155e6c135727

SHA1
7d985e42e7df8cac3cf7ec917df10b9fbef09a21

SHA256
c362a3d2b661c6066a02fc169faaa1976c2f6160da5837c7e68b7e0f67b794ed

SHA512
b1b669bad519dccab5224c8fcdb13bb2b015e22fd30ba57e92c9cde4480e655f19f0bbb862db5fd87828d2a3ab74c4a6090f36b6358f9eefe5c82e024afe4a3e

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

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956

Filesize
1KB

MD5
1ea27366e034eb9447a33ce639c01489

SHA1
d12ed3e7e60c65ce90f0a58b9b9e47292caed923

SHA256
788d210ef206a4d11b6b506bf52124ee03fca4e8a9389fad43772202a7e29452

SHA512
e06f7443f0f7ca5db4411aa0718102c08068e95ec305b6b53c0b42a941a877de39f95c7e7514e69316b41a7ac19eaa6ccddc581fe475bdb842ec920691726e49

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

Filesize
264B

MD5
69004b40a1703a9d4e646631c252e70f

SHA1
01245359b6c5e49c4b6011bae526742b5e8c417a

SHA256
9ebd96f74a2b8d0f2250bdfc144b3d43f07997c816f37d582f26ccb287bd4848

SHA512
14693a14f76c3d4c95d2122fd711df88641fad0d372df79aa91f3390c6efd51996b1fa32ed6f2719f54acffefa89b5fe7cc98e68f8e1cb226ef70749abfc7ed7

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

Filesize
344B

MD5
f4ce3c5aedd55964cc421d0bcc1c30cb

SHA1
20cbfe959acee0887174d9241aa36cce6c78fa1b

SHA256
9c13a44baaddbb5b43e3feab96e2a500cc13a3aab01bc5423e30a394e297e347

SHA512
1422bd0b5d545648e7eaf8a3d3dd481c0dd16d19bd0fa8adf19ee47c9c3bd8e1e887d6c27a89388aa060607adcda224a459188744b979cc48fb7706c8b3163e2

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

Filesize
344B

MD5
a380ec965280f90c1fb1091d899ec3de

SHA1
59ab0a6d22bab5576acc1168eca41615d24408eb

SHA256
fec75de00c5ad72f9af21c1f6dac7dbc6e41a60d3918c550c6584f38fa90b3b4

SHA512
db9752e284fe013386142b8f89d6cb859d5129aa222fa46d159d717ce08aa2c07a0c100c8d3627c67ec7c632e164b02cff7462afdbcb48ce21324113ac5d7430

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

Filesize
344B

MD5
190c944583d5d16c483c5b5c49c9c1f5

SHA1
ed2934f0dc334ae54fb086919b19c3d94e870bc8

SHA256
255ad66d45c08ddcec5ccb1eb183ab7aee503387533bf594d363377623a56130

SHA512
04450538dfef4500a55bdee510fe4798ff5d32f19b31b9d86f31c9122a6b2dc86a8cd8639138837f436d5f9fdf337fde0352adc1af9c53cc9339d04f07b62214

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

Filesize
252B

MD5
6f3bd539f7ab09719f379b6152f82c64

SHA1
3c8271cf3e79f732f6f8bbcfbbe7bbd0bf0c5029

SHA256
13a6e4d43675ebd7f0ade895d7923e9f4c406d9cbda0fef38f76d8ace81db9d1

SHA512
0add56244dd0ef0193105958dacd74fe54e37cafa9264bd643a3840580d5b9e99e4970a5f247dab69d9b2be2c2903bd850e19b3c9ab8924ac54e90eb34da0100

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabE2A4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE2D5.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarEB58.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
122KB

MD5
31c4d1bf1245918597eb2504b0f15f60

SHA1
c1350cc0014443ebde103f2ee34db24cd9fc5a22

SHA256
a43c2080b1d96d34043c78a604c2f23675666b5cba0e681ce7cf9b436bed316d

SHA512
9fea4f5b3a27c98b88e229642fb225c0b653b5d000193f8f4f45f4cda47133e2e54a921c6aae8160f9f51060036636dcf8368f4df69acd7514014c7cb550ade4

Download Submit
memory/2104-2-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-195-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-181-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-184-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

Filesize
4KB

Download
memory/2876-364-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2876-367-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2876-366-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads