njrat | 58ac2495135149fb207fbab60f7bde30aa9873650da20f2a00c03391106656fe

General

Target

0e503cb95361e59b9df503d31a2e8802.exe
Size

26KB
MD5

0e503cb95361e59b9df503d31a2e8802
SHA1

1250284990eeb2290e19b6492a40be1a9e720e54
SHA256

58ac2495135149fb207fbab60f7bde30aa9873650da20f2a00c03391106656fe
SHA512

fbc969e45fbb9c9332ddff14cf453af4edd64810cd85c07b552fea7e59fe6c46ed19c6f59658acda129df329747f73ac053d687dc6262b4c00bcd14ee3b8ac1d
SSDEEP

384:kLbe6lnw3m4Afp1UDMoCoP6udRNMpAQk93vmhm7UMKmIEecKdbXTzm9bVhcao631:ybeyBPqQpA/vMHTi9bD

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

study-silly.at.ply.gg:42876

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Drops startup file 5 IoCs

Processes:

0e503cb95361e59b9df503d31a2e8802.exeLocalShell.batattrib.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	0e503cb95361e59b9df503d31a2e8802.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	LocalShell.bat
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	LocalShell.bat
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	LocalShell.bat
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	attrib.exe

Executes dropped EXE 1 IoCs

Processes:

LocalShell.bat

pid process

1096 LocalShell.bat

pid	process
1096	LocalShell.bat

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e503cb95361e59b9df503d31a2e8802.exeLocalShell.bat

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Windows\\LocalShell.bat"	0e503cb95361e59b9df503d31a2e8802.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	LocalShell.bat
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	LocalShell.bat
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	LocalShell.bat
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	LocalShell.bat

Drops file in Windows directory 2 IoCs

Processes:

0e503cb95361e59b9df503d31a2e8802.exeattrib.exe

description	ioc	process
File created	C:\Windows\LocalShell.bat	0e503cb95361e59b9df503d31a2e8802.exe
File opened for modification	C:\Windows\LocalShell.bat	attrib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

LocalShell.bat

description	pid	process
Token: SeDebugPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat
Token: 33	1096	LocalShell.bat
Token: SeIncBasePriorityPrivilege	1096	LocalShell.bat

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0e503cb95361e59b9df503d31a2e8802.exeLocalShell.bat

description	pid	process	target process
PID 1052 wrote to memory of 1096	1052	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1052 wrote to memory of 1096	1052	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1052 wrote to memory of 1096	1052	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1052 wrote to memory of 1096	1052	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1052 wrote to memory of 868	1052	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 1052 wrote to memory of 868	1052	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 1052 wrote to memory of 868	1052	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 1052 wrote to memory of 868	1052	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 1096 wrote to memory of 1516	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1516	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1516	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1516	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1624	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1624	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1624	1096	LocalShell.bat	attrib.exe
PID 1096 wrote to memory of 1624	1096	LocalShell.bat	attrib.exe

Views/modifies file attributes 1 TTPs 3 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exeattrib.exe

pid process

868 attrib.exe
1516 attrib.exe
1624 attrib.exe

pid	process
868	attrib.exe
1516	attrib.exe
1624	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0e503cb95361e59b9df503d31a2e8802.exe
"C:\Users\Admin\AppData\Local\Temp\0e503cb95361e59b9df503d31a2e8802.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1052

C:\Windows\LocalShell.bat
"C:\Windows\LocalShell.bat"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
3⤵
- Drops startup file
- Views/modifies file attributes
PID:1516

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
3⤵
- Views/modifies file attributes
PID:1624

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Windows\LocalShell.bat"
2⤵
- Drops file in Windows directory
- Views/modifies file attributes
PID:868

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe
Filesize
26KB

MD5
0e503cb95361e59b9df503d31a2e8802

SHA1
1250284990eeb2290e19b6492a40be1a9e720e54

SHA256
58ac2495135149fb207fbab60f7bde30aa9873650da20f2a00c03391106656fe

SHA512
fbc969e45fbb9c9332ddff14cf453af4edd64810cd85c07b552fea7e59fe6c46ed19c6f59658acda129df329747f73ac053d687dc6262b4c00bcd14ee3b8ac1d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
Filesize
1KB

MD5
e65fcfde9b3bc26df7fea040f0443e77

SHA1
35f95a818bdd8833d75aeb0ee69aba096e5c4f37

SHA256
ea08f2a8c553a9d395c1602e82f51327aaa75bda04ae15b9205336b6e0666141

SHA512
a0f8ac5beaf4df5a14f504873cafcdde0c5a22bbe7ef33ee578872898b240d264386be272b4482cb07467179c4e41c7127530f433df5061d9057a3e15b6390ba

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
Filesize
1022B

MD5
ad77ced9f9000247debeb317a030a77a

SHA1
c3b1d64ce26eda5493d09021743a6d578059f6ce

SHA256
2dcd4b2a82dd20058495d1e74dc37cf2b78d511405e2b00deb7b2871a6d1e879

SHA512
88b51a01e08587a9a5320baf7ce28275de788fadf923761545d02e4ba37db730d889b7fc1bda17da984508cff415fdb245c83f4318671378ef318a3a1fd048ee

Download Submit
C:\Windows\LocalShell.bat
Filesize
26KB

MD5
0e503cb95361e59b9df503d31a2e8802

SHA1
1250284990eeb2290e19b6492a40be1a9e720e54

SHA256
58ac2495135149fb207fbab60f7bde30aa9873650da20f2a00c03391106656fe

SHA512
fbc969e45fbb9c9332ddff14cf453af4edd64810cd85c07b552fea7e59fe6c46ed19c6f59658acda129df329747f73ac053d687dc6262b4c00bcd14ee3b8ac1d

Download Submit
C:\Windows\LocalShell.bat
Filesize
26KB

MD5
0e503cb95361e59b9df503d31a2e8802

SHA1
1250284990eeb2290e19b6492a40be1a9e720e54

SHA256
58ac2495135149fb207fbab60f7bde30aa9873650da20f2a00c03391106656fe

SHA512
fbc969e45fbb9c9332ddff14cf453af4edd64810cd85c07b552fea7e59fe6c46ed19c6f59658acda129df329747f73ac053d687dc6262b4c00bcd14ee3b8ac1d

Download Submit
C:\Windows\LocalShell.bat
Filesize
26KB

MD5
0e503cb95361e59b9df503d31a2e8802

SHA1
1250284990eeb2290e19b6492a40be1a9e720e54

SHA256
58ac2495135149fb207fbab60f7bde30aa9873650da20f2a00c03391106656fe

SHA512
fbc969e45fbb9c9332ddff14cf453af4edd64810cd85c07b552fea7e59fe6c46ed19c6f59658acda129df329747f73ac053d687dc6262b4c00bcd14ee3b8ac1d

Download Submit
memory/1052-56-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1052-57-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1096-70-0x0000000001FD0000-0x0000000002010000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads