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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe

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
3668	Payload.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-1-5-21-3442511616-637977696-3186306149-1000\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	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe
Token: 33	3668	Payload.exe
Token: SeIncBasePriorityPrivilege	3668	Payload.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 3668	2604	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	82
PID 2604 wrote to memory of 3668	2604	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	82
PID 2604 wrote to memory of 3668	2604	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	82
PID 2604 wrote to memory of 3924	2604	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	83
PID 2604 wrote to memory of 3924	2604	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	83
PID 2604 wrote to memory of 3924	2604	8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe	83

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3924	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe
"C:\Users\Admin\AppData\Local\Temp\8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- 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:3668
- 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:3924

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

Query Registry

1

T1012

System Information Discovery

2

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
e38961c65702dfd26fea162aee60c87f

SHA1
558b896a2bedef5e212215f8182fc971407ef2b6

SHA256
2877aed18abf5b3978396041e24b7fd0b948d6deb5c8bda577d69c30276eef05

SHA512
9c9b7a05297b1caf21ceaa627da0161fa0c825db28c0536feb80f4042b1a4b80d907f945390a9effcd8e7a0b43bc8dd6f206f28803a2596dc116f93e74ca5bbe

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

Filesize
1KB

MD5
717c74f3329592ef829196b72e7f5eef

SHA1
04da8604181a9af55ac168b942603bfea198e6d8

SHA256
2450a0cb16780192afe74e93af15a90e31d7bf683adf6493734a9fc787e280a6

SHA512
ec5c5ca87f94a1f3f692047b45d3e9cbe2f491eb11b35f0ed6d06ef787b23ff26a7d40031fd23ffedae7f7a5602c40806c19879d60e7195959f314acf573f01c

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

Filesize
27KB

MD5
47bea8a28b1e81e3342d594fc57acd8e

SHA1
d301e8985e53b7baabf9b45df087a017e3817742

SHA256
8f04eb500e66a053fa3e6e8a9900e94e794218253a172265c3a881db6f65faf4

SHA512
d5f2bfa425fa0c8d7fe2531b57ed9dbe5ca9b8bb8b7a868e39b251182446a22bcf01c3181d17b3362bc2a76b56cda1e504db2436fafbf922ee2120f76e8d00b6

Download Submit
memory/2604-5-0x00000000065C0000-0x0000000006B64000-memory.dmp

Filesize
5.6MB

Download
memory/2604-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/2604-14-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/2604-2-0x00000000056D0000-0x000000000576C000-memory.dmp

Filesize
624KB

Download
memory/2604-1-0x0000000000CC0000-0x0000000000CCE000-memory.dmp

Filesize
56KB

Download
memory/3668-16-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3668-21-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3668-22-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3668-23-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/3668-24-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download
memory/3668-25-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads