njrat | a412582126a26088567044df41ee0d6e749bd7d7a0cbc375fc7628c7424ffe23

General

Target

8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe
Size

27KB
MD5

47bea8a28b1e81e3342d594fc57acd8e
SHA1

d301e8985e53b7baabf9b45df087a017e3817742
SHA256

8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4
SHA512

d5f2bfa425fa0c8d7fe2531b57ed9dbe5ca9b8bb8b7a868e39b251182446a22bcf01c3181d17b3362bc2a76b56cda1e504db2436fafbf922ee2120f76e8d00b6
SSDEEP

384:2LBH6uj/+AU9038hfOexuaP39hRnMYAQk93vmhm7UMKmIEecKdbXTzm9bVhcaL62:wBa0mkspJtyYA/vMHTi9bD

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

216.250.251.104:2028

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Payload.exe

Executes dropped EXE 1 IoCs

pid	Process
2528	Payload.exe

Loads dropped DLL 1 IoCs

pid	Process
1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Payload.exe"	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe
Token: 33	2528	Payload.exe
Token: SeIncBasePriorityPrivilege	2528	Payload.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2528	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	30
PID 1076 wrote to memory of 2528	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	30
PID 1076 wrote to memory of 2528	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	30
PID 1076 wrote to memory of 2528	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	30
PID 1076 wrote to memory of 2936	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	31
PID 1076 wrote to memory of 2936	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	31
PID 1076 wrote to memory of 2936	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	31
PID 1076 wrote to memory of 2936	1076	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2936	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe
"C:\Users\Admin\AppData\Local\Temp\8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Roaming\Payload.exe
  "C:\Users\Admin\AppData\Roaming\Payload.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2528
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Payload.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2936

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
020a8f7f990c7833dfb049254ca77b0f

SHA1
33f0e4024396f2c293be10ea3183c46bc33af3c0

SHA256
c7671aa49a19aeee5d5f69e8042485374fd3940b87f7c012fea69bb28b896322

SHA512
d9feb210b8f6baf979c653ef18a6b2fbc8ccf0790b9757c2bc9d401dde585e3372ff58513e4f4bfcd174d83cefdfa3b6ca8ca43ee311dacc9ffd890a882fc326

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1022B

MD5
ad5e17fccd06112e5e3cdf9893b80bcf

SHA1
e1b52f2bf185cc25dfd0ca22f52e88ceab593a40

SHA256
9bd06589c70ef5778a0785805c1f7be0144b355d2cae3fea4bc36d27ae61376e

SHA512
dd87f467c339cace45e3c3b0ebbc4912dafa299b3229ff7053f4fb930aa817a3ddf81c58b1837aa1f9ad2afce552326a97110ec11cf1c7852d404e00ad5ea9fd

Download Submit
\Users\Admin\AppData\Roaming\Payload.exe

Filesize
27KB

MD5
47bea8a28b1e81e3342d594fc57acd8e

SHA1
d301e8985e53b7baabf9b45df087a017e3817742

SHA256
8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4

SHA512
d5f2bfa425fa0c8d7fe2531b57ed9dbe5ca9b8bb8b7a868e39b251182446a22bcf01c3181d17b3362bc2a76b56cda1e504db2436fafbf922ee2120f76e8d00b6

Download Submit
memory/1076-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/1076-1-0x0000000000280000-0x000000000028E000-memory.dmp

Filesize
56KB

Download
memory/1076-11-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/2528-12-0x0000000001100000-0x000000000110E000-memory.dmp

Filesize
56KB

Download
memory/2528-17-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-18-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-19-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads