njrat | 5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0

General

Target

5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
Size

26KB
MD5

177541a5541eed56d845e699f88ff5cb
SHA1

50c26a3d90a95329d8f1cb6a513e56ae0528507f
SHA256

5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0
SHA512

4e6ba475f91ca3a3045006c3257bff137d01ba47956c9f037ff59f7fff98664343d82cbd8578a061c598362586a532ffea40621123bd41b98bd4c56c8c0bb80a
SSDEEP

384:ALBnSHanO4Y7yJMEoeBCsPodxxMzAQk93vmhm7UMKmIEecKdbXTzm9bVhcam6CrS:eBS/oVt3zA/vMHTi9bD/

Score

10^/10

njrat recov discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

Recov

C2

193.161.193.99:24753

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-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Recov.exe

Executes dropped EXE 1 IoCs

pid	Process
3396	Recov.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Recov.exe"	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Recov.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	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Recov.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe
Token: 33	3396	Recov.exe
Token: SeIncBasePriorityPrivilege	3396	Recov.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 3396	5060	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	87
PID 5060 wrote to memory of 3396	5060	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	87
PID 5060 wrote to memory of 3396	5060	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	87
PID 5060 wrote to memory of 4948	5060	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	88
PID 5060 wrote to memory of 4948	5060	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	88
PID 5060 wrote to memory of 4948	5060	5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe	88

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4948	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.exe
"C:\Users\Admin\AppData\Local\Temp\5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0.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:5060
- C:\Users\Admin\AppData\Local\Temp\Recov.exe
  "C:\Users\Admin\AppData\Local\Temp\Recov.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3396
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Recov.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:4948

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\Local\Temp\Recov.exe

Filesize
26KB

MD5
177541a5541eed56d845e699f88ff5cb

SHA1
50c26a3d90a95329d8f1cb6a513e56ae0528507f

SHA256
5cddb195a5f268b825c0936367050288cd4b28992b07303e71e1c4fb169a54d0

SHA512
4e6ba475f91ca3a3045006c3257bff137d01ba47956c9f037ff59f7fff98664343d82cbd8578a061c598362586a532ffea40621123bd41b98bd4c56c8c0bb80a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
59f4dceb5a7890f5d5709160d02f6cee

SHA1
5da6b73f8b99594840544ee9c983a3cc08d16227

SHA256
3c3b38d628bb62745ce3ce3c35d8630d61f936a2af69e03ca139ad4a513cf737

SHA512
943c2e523c223f3235cd472ad7cd832495285c01506797c43f5d14de2998b3950d398399db03d80a57809dacbb30cddbe7e2d471631453387c8be4a0f2729feb

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

Filesize
1KB

MD5
af358ec1ce8358cc9e571113d47dbb8f

SHA1
31332f7aa770aa7429d2d9925e1315ce569fd45d

SHA256
ef922406c1f4f1dd1f1fc15ec6f197688ecb55c8f5d3dc381c1d2e31a4d0874c

SHA512
faabb60156a498ffacc116add6e327087eb6b31485c1ab7939863085f70d19e4bd6af2765e3f6a5a24c726ae09cebbad5186ad7635f3a78590d0fc77fece6b88

Download Submit
memory/3396-21-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-16-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-22-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-23-0x0000000005AD0000-0x0000000005B62000-memory.dmp

Filesize
584KB

Download
memory/3396-24-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/3396-25-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-5-0x00000000061A0000-0x0000000006744000-memory.dmp

Filesize
5.6MB

Download
memory/5060-14-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/5060-2-0x0000000005210000-0x00000000052AC000-memory.dmp

Filesize
624KB

Download
memory/5060-1-0x0000000000830000-0x000000000083C000-memory.dmp

Filesize
48KB

Download
memory/5060-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads