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

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

0e503cb95361e59b9df503d31a2e8802.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	0e503cb95361e59b9df503d31a2e8802.exe

Drops startup file 5 IoCs

Processes:

attrib.exe0e503cb95361e59b9df503d31a2e8802.exeLocalShell.bat

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

Executes dropped EXE 1 IoCs

Processes:

LocalShell.bat

pid process

5008 LocalShell.bat

pid	process
5008	LocalShell.bat

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

LocalShell.bat0e503cb95361e59b9df503d31a2e8802.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Windows\\LocalShell.bat"	0e503cb95361e59b9df503d31a2e8802.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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

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 15 IoCs

Processes:

LocalShell.bat

description	pid	process
Token: SeDebugPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat
Token: 33	5008	LocalShell.bat
Token: SeIncBasePriorityPrivilege	5008	LocalShell.bat

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

0e503cb95361e59b9df503d31a2e8802.exeLocalShell.bat

description	pid	process	target process
PID 1440 wrote to memory of 5008	1440	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1440 wrote to memory of 5008	1440	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1440 wrote to memory of 5008	1440	0e503cb95361e59b9df503d31a2e8802.exe	LocalShell.bat
PID 1440 wrote to memory of 4788	1440	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 1440 wrote to memory of 4788	1440	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 1440 wrote to memory of 4788	1440	0e503cb95361e59b9df503d31a2e8802.exe	attrib.exe
PID 5008 wrote to memory of 4712	5008	LocalShell.bat	attrib.exe
PID 5008 wrote to memory of 4712	5008	LocalShell.bat	attrib.exe
PID 5008 wrote to memory of 4712	5008	LocalShell.bat	attrib.exe
PID 5008 wrote to memory of 736	5008	LocalShell.bat	attrib.exe
PID 5008 wrote to memory of 736	5008	LocalShell.bat	attrib.exe
PID 5008 wrote to memory of 736	5008	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

4788 attrib.exe
4712 attrib.exe
736 attrib.exe

pid	process
4788	attrib.exe
4712	attrib.exe
736	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0e503cb95361e59b9df503d31a2e8802.exe
"C:\Users\Admin\AppData\Local\Temp\0e503cb95361e59b9df503d31a2e8802.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1440

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:5008

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:4712

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:736

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Windows\LocalShell.bat"
2⤵
- Drops file in Windows directory
- Views/modifies file attributes
PID:4788

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

Query Registry

1

T1012

System Information Discovery

2

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
5046027d76193c47eda704613363b0eb

SHA1
28c68cb8c0f41137f06c21de64edb17dfe932f66

SHA256
82c84773cea056f85ac4c36f99174a9f27d19cc1ff8cd01bd64b5c062a7a7150

SHA512
d996df4461ee3039b1344881fb606fb6f257f5b60b7d0c5917564ffc4dc80c0747f022195a12beb442d8da77aed44ec3c4e2016b7d8a791c821b0350c1d7c918

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
Filesize
1KB

MD5
c2029e31e25647730597ac950c8d6ae5

SHA1
02a4822c6621db10757690b91b31e489f372d462

SHA256
00cb0e919469efaf29695f0acac304bffc05b269c957f9baefb8e5dbddafef92

SHA512
10a57bd1f36a1c2d3e39a374f13e4e3ad26df448f24f5d1248e8bab267b8cb797fc03862e67fcfbcae5916b775b73be127b0e23cd8baeca3eb5850a9e7cc3121

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/1440-133-0x0000000001450000-0x0000000001460000-memory.dmp

Filesize
64KB

Download
memory/1440-134-0x0000000001450000-0x0000000001460000-memory.dmp

Filesize
64KB

Download
memory/5008-147-0x0000000001200000-0x0000000001210000-memory.dmp

Filesize
64KB

Download
memory/5008-148-0x0000000001200000-0x0000000001210000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads