njrat | e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5

Analysis

max time kernel
233s
max time network
313s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 19:00

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General

Target

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe
Size

1.1MB
MD5

9237433077b158a908db30a6f1bdff34
SHA1

a057b8b37ed2ee5de4c40cbfc4c60e6811a6a0c8
SHA256

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5
SHA512

40fafea42f71d5d531f671d73886e649f9151a1b9cc28636723962dc1a6d1cdb0a68adf18206012d208703aa0ffc08b8a47c13025291db25e78863106b171132
SSDEEP

24576:/Cdxte/80jYLT3U1jfsWa9T106d5qNdiQ:ew80cTsjkWa9+

Score

10^/10

njrat officer09 trojan

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

OfficEr09

194.5.99.17:6521

Mutex

ClienNe.exe

Attributes

reg_key
ClienNe.exe
splitter
1111

Signatures

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

Drops startup file 1 IoCs

Processes:

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\upnpcont.url	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

description	pid	process	target process
PID 1288 set thread context of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RegSvcs.exe

pid process

1060 RegSvcs.exe
1060 RegSvcs.exe
1060 RegSvcs.exe
1060 RegSvcs.exe

pid	process
1060	RegSvcs.exe
1060	RegSvcs.exe
1060	RegSvcs.exe
1060	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe
Token: 33	1060	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1060	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

pid	process
1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe
1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe
1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

pid	process
1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe
1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe
1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe

description	pid	process	target process
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe
PID 1288 wrote to memory of 1060	1288	e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe
"C:\Users\Admin\AppData\Local\Temp\e740d976696b7913b1586ea19833622c972482f51e3fb30e3225c94be8cbeeb5.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1060

Network

MITRE ATT&CK Matrix

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Downloads

memory/1060-57-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1060-55-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1060-62-0x0000000000414E4E-mapping.dmp

Download
memory/1060-63-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1060-64-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1288-54-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download