njrat | 602dbf0a589f145df09cd667836acd3ab2100e44793344fd1bb1147d9c3d4343

General

Target

Fixer.exe
Size

43KB
MD5

e947d466ee6ac91e0a4b135ab4eef44d
SHA1

eb91b570a8e029ee687eb7d8ddf06dd6c21a36d8
SHA256

602dbf0a589f145df09cd667836acd3ab2100e44793344fd1bb1147d9c3d4343
SHA512

9d7807137a503bd38c21eb129a8838d959b2c5c9c6153a57175af3b8d7b00d9567fbbbf330bf215ce3f54bd01a9a61c6cdbfb94a0e090393774901f015bbd96b
SSDEEP

384:0rZyZ7lwZ28bk8yi6p8lOXBEBxdfZazoIij+ZsNO3PlpJKkkjh/TzF7pWn//gre7:0FmGvbk5ioEEenyuXQ/oC/+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

listing-trackbacks.gl.at.ply.gg:15337

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

Processes:

Fixer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Fixer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Fixer.exe

Executes dropped EXE 2 IoCs

Processes:

Server.exeServer.exe

pid process

5076 Server.exe
2708 Server.exe

pid	process
5076	Server.exe
2708	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Fixer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Fixer.exe\" .."	Fixer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Fixer.exe\" .."	Fixer.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4712 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Fixer.exe

pid process

2008 Fixer.exe

pid	process
4712	schtasks.exe

pid	process
2008	Fixer.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

Fixer.exe

description	pid	process
Token: SeDebugPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe
Token: 33	2008	Fixer.exe
Token: SeIncBasePriorityPrivilege	2008	Fixer.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Fixer.exe

description	pid	process	target process
PID 2008 wrote to memory of 4712	2008	Fixer.exe	schtasks.exe
PID 2008 wrote to memory of 4712	2008	Fixer.exe	schtasks.exe
PID 2008 wrote to memory of 4712	2008	Fixer.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Fixer.exe
"C:\Users\Admin\AppData\Local\Temp\Fixer.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Creates scheduled task(s)
PID:4712

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:5076

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log
Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
e947d466ee6ac91e0a4b135ab4eef44d

SHA1
eb91b570a8e029ee687eb7d8ddf06dd6c21a36d8

SHA256
602dbf0a589f145df09cd667836acd3ab2100e44793344fd1bb1147d9c3d4343

SHA512
9d7807137a503bd38c21eb129a8838d959b2c5c9c6153a57175af3b8d7b00d9567fbbbf330bf215ce3f54bd01a9a61c6cdbfb94a0e090393774901f015bbd96b

Download Submit
memory/2008-10-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2008-2-0x0000000005840000-0x00000000058DC000-memory.dmp

Filesize
624KB

Download
memory/2008-4-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2008-5-0x0000000005C80000-0x0000000005D12000-memory.dmp

Filesize
584KB

Download
memory/2008-8-0x0000000005C70000-0x0000000005C7A000-memory.dmp

Filesize
40KB

Download
memory/2008-9-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2008-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2008-3-0x0000000006100000-0x00000000066A4000-memory.dmp

Filesize
5.6MB

Download
memory/2008-1-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

Filesize
72KB

Download
memory/2708-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2708-20-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2708-21-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/5076-14-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/5076-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/5076-13-0x0000000074400000-0x0000000074BB0000-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