njrat | 7b11cf9dec3d302762fad7170f6d901ff1512f41c62ffc4d29c6122a5b7440e4

General

Target

0x0008000000005c51-59.exe
Size

43KB
MD5

08217ec28a87d1311d51fb77d5eea37e
SHA1

d689cf420858c8fa2a2b819e6e62272c149b0fef
SHA256

7b11cf9dec3d302762fad7170f6d901ff1512f41c62ffc4d29c6122a5b7440e4
SHA512

8184eebc9e045a7c24726c25e63a5c45bfe538fb7a5979d9a0162818af181019919d0718320bfb9309036f9790823b05be98c4101388a2202f1598e247deb743
SSDEEP

384:4Zy7iNUst+3gUy6vHrGOoMQjdJqK9D9O5UE5QzwBlpJNakkjh/TzF7pWn4O/gre3:OJwQh6fr9MjKvQO+rOt+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

198.54.133.72:59249

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 3 IoCs

Processes:

Server.exeServer.exeServer.exe

pid process

760 Server.exe
1684 Server.exe
1748 Server.exe

pid	process
760	Server.exe
1684	Server.exe
1748	Server.exe

Drops startup file 2 IoCs

Processes:

0x0008000000005c51-59.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	0x0008000000005c51-59.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	0x0008000000005c51-59.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0x0008000000005c51-59.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\0x0008000000005c51-59.exe\" .."	0x0008000000005c51-59.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\0x0008000000005c51-59.exe\" .."	0x0008000000005c51-59.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
T1053

Processes:

schtasks.exe

pid process

2028 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

0x0008000000005c51-59.exe

pid process

1768 0x0008000000005c51-59.exe

pid	process
2028	schtasks.exe

pid	process
1768	0x0008000000005c51-59.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

0x0008000000005c51-59.exe

description	pid	process
Token: SeDebugPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe
Token: 33	1768	0x0008000000005c51-59.exe
Token: SeIncBasePriorityPrivilege	1768	0x0008000000005c51-59.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0x0008000000005c51-59.exetaskeng.exe

description	pid	process	target process
PID 1768 wrote to memory of 2028	1768	0x0008000000005c51-59.exe	schtasks.exe
PID 1768 wrote to memory of 2028	1768	0x0008000000005c51-59.exe	schtasks.exe
PID 1768 wrote to memory of 2028	1768	0x0008000000005c51-59.exe	schtasks.exe
PID 1768 wrote to memory of 2028	1768	0x0008000000005c51-59.exe	schtasks.exe
PID 1072 wrote to memory of 760	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 760	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 760	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 760	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1684	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1684	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1684	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1684	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1748	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1748	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1748	1072	taskeng.exe	Server.exe
PID 1072 wrote to memory of 1748	1072	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\0x0008000000005c51-59.exe
"C:\Users\Admin\AppData\Local\Temp\0x0008000000005c51-59.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

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:2028

C:\Windows\system32\taskeng.exe
taskeng.exe {5ED93F09-201D-428A-9F29-DDC6312CE32D} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1072

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:760

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1684

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1748

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
08217ec28a87d1311d51fb77d5eea37e

SHA1
d689cf420858c8fa2a2b819e6e62272c149b0fef

SHA256
7b11cf9dec3d302762fad7170f6d901ff1512f41c62ffc4d29c6122a5b7440e4

SHA512
8184eebc9e045a7c24726c25e63a5c45bfe538fb7a5979d9a0162818af181019919d0718320bfb9309036f9790823b05be98c4101388a2202f1598e247deb743

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

MD5
08217ec28a87d1311d51fb77d5eea37e

SHA1
d689cf420858c8fa2a2b819e6e62272c149b0fef

SHA256
7b11cf9dec3d302762fad7170f6d901ff1512f41c62ffc4d29c6122a5b7440e4

SHA512
8184eebc9e045a7c24726c25e63a5c45bfe538fb7a5979d9a0162818af181019919d0718320bfb9309036f9790823b05be98c4101388a2202f1598e247deb743

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

MD5
08217ec28a87d1311d51fb77d5eea37e

SHA1
d689cf420858c8fa2a2b819e6e62272c149b0fef

SHA256
7b11cf9dec3d302762fad7170f6d901ff1512f41c62ffc4d29c6122a5b7440e4

SHA512
8184eebc9e045a7c24726c25e63a5c45bfe538fb7a5979d9a0162818af181019919d0718320bfb9309036f9790823b05be98c4101388a2202f1598e247deb743

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

MD5
08217ec28a87d1311d51fb77d5eea37e

SHA1
d689cf420858c8fa2a2b819e6e62272c149b0fef

SHA256
7b11cf9dec3d302762fad7170f6d901ff1512f41c62ffc4d29c6122a5b7440e4

SHA512
8184eebc9e045a7c24726c25e63a5c45bfe538fb7a5979d9a0162818af181019919d0718320bfb9309036f9790823b05be98c4101388a2202f1598e247deb743

Download Submit
memory/760-63-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/760-59-0x0000000000000000-mapping.dmp

Download
memory/760-62-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-64-0x0000000000000000-mapping.dmp

Download
memory/1684-67-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-68-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1748-69-0x0000000000000000-mapping.dmp

Download
memory/1748-72-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-57-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1768-55-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads