njrat | d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f

General

Target

d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe
Size

291KB
MD5

b553abb412ba34bc311058ee33cfc397
SHA1

b0ecb499719c915c2ce9e1941edcaa24362f6225
SHA256

d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f
SHA512

b31b57b9adf272f547b59e96ab4339516a3c2e0d141233e39b98745904012a975171b2e80e2b9c0e5eeaa9adb7cd2e1790ec3bb54fbe5f6afdc6bdd58691a784
SSDEEP

6144:P95EeRw+PquKUEgwanRpFWM+moPk2sT5kbd0bQ:l5zRw+PqubvwanzFD28T40bQ

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

94.46.207.10:1177

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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exeSkype.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Skype.exe

Drops startup file 4 IoCs

Processes:

Skype.exePayload.exe

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

Executes dropped EXE 2 IoCs

Processes:

Skype.exePayload.exe

pid process

1124 Skype.exe
1432 Payload.exe

pid	process
1124	Skype.exe
1432	Payload.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Skype.exePayload.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	Skype.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.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 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

Processes:

d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exeSkype.exePayload.exeattrib.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skype.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

Processes:

Payload.exe

description	pid	process
Token: SeDebugPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe
Token: 33	1432	Payload.exe
Token: SeIncBasePriorityPrivilege	1432	Payload.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exeSkype.exe

description	pid	process	target process
PID 4072 wrote to memory of 1124	4072	d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe	Skype.exe
PID 4072 wrote to memory of 1124	4072	d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe	Skype.exe
PID 4072 wrote to memory of 1124	4072	d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe	Skype.exe
PID 1124 wrote to memory of 1432	1124	Skype.exe	Payload.exe
PID 1124 wrote to memory of 1432	1124	Skype.exe	Payload.exe
PID 1124 wrote to memory of 1432	1124	Skype.exe	Payload.exe
PID 1124 wrote to memory of 4996	1124	Skype.exe	attrib.exe
PID 1124 wrote to memory of 4996	1124	Skype.exe	attrib.exe
PID 1124 wrote to memory of 4996	1124	Skype.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

4996 attrib.exe

pid	process
4996	attrib.exe

C:\Users\Admin\AppData\Local\Temp\d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe
"C:\Users\Admin\AppData\Local\Temp\d7bc1429e88074976cd64b913ebcd7b0cc52f766059a6a0604dfad9004f4de8f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Users\Admin\AppData\Local\Temp\Skype.exe
  "C:\Users\Admin\AppData\Local\Temp\Skype.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1432
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4996

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Skype.exe

Filesize
27KB

MD5
d010a1a6e4e73e19b88c1f280c417a43

SHA1
99ac6501fee007d1ea4409ce9a1535d7298acc90

SHA256
2ca5d6bd734ac603e9c5064611ee6f0fab62005a85ffdb9e1c180aa4e0a18353

SHA512
b21fa039145b9b4e37686fe420d012b8d7c61913f5db237f56e4bc4ee14f90cb21aeb33f2f2f359ee6d4626230e278c6de860b1b79e48861f027a6c7c571d645

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

Filesize
1KB

MD5
933490161b0b59c49a01b612b65e7911

SHA1
b14f486248cef2a24f2b97a17eb0e41a5eef1b19

SHA256
e762e2c786953a74b5bc9d033dd7079d461878ce5daab7553ef3e9a167c4a616

SHA512
18f70920bac4f24d2a28e3698066e6dd43af8095a56a572426eaf9f3a5d9ec191417ec65ff608fc4e882629a5bc78eb0a25f818d5a7e193e9b304c8ad93ee74d

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

Filesize
1KB

MD5
965e6302945bcceb865364e8b236e877

SHA1
93fa7c16c468a8c51abd8fee2aac5cbd86b4762f

SHA256
f7f347cf948f21b405726e3773883de988de72b41e954943cc9b4c8af53e45b5

SHA512
beddca6ae7c5d09f03de7fa716529d0a349d7b377b2e0a3d8689c07fe2b30335814f7e8d631c61823aec23b4b71be2f73e1589e7fde82818dcb454fe6c845cf6

Download Submit
memory/1124-34-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1124-21-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1124-20-0x0000000000060000-0x000000000006E000-memory.dmp

Filesize
56KB

Download
memory/1432-40-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/4072-4-0x0000000004A50000-0x0000000004AE2000-memory.dmp

Filesize
584KB

Download
memory/4072-8-0x00000000054E0000-0x00000000054F6000-memory.dmp

Filesize
88KB

Download
memory/4072-9-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4072-10-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4072-7-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4072-6-0x0000000005250000-0x00000000052A6000-memory.dmp

Filesize
344KB

Download
memory/4072-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/4072-22-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4072-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/4072-3-0x0000000004C60000-0x0000000005204000-memory.dmp

Filesize
5.6MB

Download
memory/4072-2-0x0000000002600000-0x000000000269C000-memory.dmp

Filesize
624KB

Download
memory/4072-1-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads