njrat | fd624aa205517580e83fad7a4ce4d64863e95f62b34ac72647b1974a52822199

General

Target

njRAT.exe
Size

959KB
MD5

0431311b5f024d6e66b90d59491f2563
SHA1

e9ff4da7e3f2199cbc16d37d8935cb1b0567ac2a
SHA256

fd624aa205517580e83fad7a4ce4d64863e95f62b34ac72647b1974a52822199
SHA512

d44b14e4b24e6e2d506ec32098488a16ebd5df57499ecd85e8878b8af2a3e1f9ed20d4125836417b702d0571f992aeac07af051dbf9268f48954556d17f51ee2

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

njRAT.exenjq8.exewindows.exe

pid process

1036 njRAT.exe
1892 njq8.exe
3224 windows.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1036	njRAT.exe
1892	njq8.exe
3224	windows.exe

Drops startup file 2 IoCs

Processes:

windows.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecc7c8c51c0850c1ec247c7fd3602f20.exe	windows.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecc7c8c51c0850c1ec247c7fd3602f20.exe	windows.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

windows.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\ecc7c8c51c0850c1ec247c7fd3602f20 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .."	windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ecc7c8c51c0850c1ec247c7fd3602f20 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .."	windows.exe

Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

format.com

description ioc process

File opened (read-only) \??\A: format.com
File opened (read-only) \??\B: format.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

2176 ipconfig.exe

description	ioc	process
File opened (read-only)	\??\A:	format.com
File opened (read-only)	\??\B:	format.com

pid	process
2176	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 13 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{56095CDF-5A9A-11EC-876A-CAC7FE7A08DC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

windows.exe

pid	process
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe
3224	windows.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

windows.exe

pid process

3224 windows.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

windows.exe

description pid process

Token: SeDebugPrivilege 3224 windows.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4040 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4040 iexplore.exe
4040 iexplore.exe
1560 IEXPLORE.EXE
1560 IEXPLORE.EXE

description	pid	process
Token: SeDebugPrivilege	3224	windows.exe

pid	process
4040	iexplore.exe

pid	process
4040	iexplore.exe
4040	iexplore.exe
1560	IEXPLORE.EXE
1560	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

njRAT.exenjq8.exewindows.execmd.exeiexplore.exe

description	pid	process	target process
PID 1296 wrote to memory of 1036	1296	njRAT.exe	njRAT.exe
PID 1296 wrote to memory of 1036	1296	njRAT.exe	njRAT.exe
PID 1296 wrote to memory of 1036	1296	njRAT.exe	njRAT.exe
PID 1296 wrote to memory of 1892	1296	njRAT.exe	njq8.exe
PID 1296 wrote to memory of 1892	1296	njRAT.exe	njq8.exe
PID 1296 wrote to memory of 1892	1296	njRAT.exe	njq8.exe
PID 1892 wrote to memory of 3224	1892	njq8.exe	windows.exe
PID 1892 wrote to memory of 3224	1892	njq8.exe	windows.exe
PID 1892 wrote to memory of 3224	1892	njq8.exe	windows.exe
PID 3224 wrote to memory of 2824	3224	windows.exe	netsh.exe
PID 3224 wrote to memory of 2824	3224	windows.exe	netsh.exe
PID 3224 wrote to memory of 2824	3224	windows.exe	netsh.exe
PID 1668 wrote to memory of 2176	1668	cmd.exe	ipconfig.exe
PID 1668 wrote to memory of 2176	1668	cmd.exe	ipconfig.exe
PID 1668 wrote to memory of 2196	1668	cmd.exe	format.com
PID 1668 wrote to memory of 2196	1668	cmd.exe	format.com
PID 1668 wrote to memory of 2072	1668	cmd.exe	format.com
PID 1668 wrote to memory of 2072	1668	cmd.exe	format.com
PID 4040 wrote to memory of 1560	4040	iexplore.exe	IEXPLORE.EXE
PID 4040 wrote to memory of 1560	4040	iexplore.exe	IEXPLORE.EXE
PID 4040 wrote to memory of 1560	4040	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\njRAT.exe
"C:\Users\Admin\AppData\Local\Temp\njRAT.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1296

C:\njRAT.exe
"C:\njRAT.exe"
2⤵
- Executes dropped EXE
PID:1036

C:\njq8.exe
"C:\njq8.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1892

C:\Users\Admin\AppData\Local\Temp\windows.exe
"C:\Users\Admin\AppData\Local\Temp\windows.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3224

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windows.exe" "windows.exe" ENABLE
4⤵
PID:2824

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\system32\ipconfig.exe
ipconfig
2⤵
- Gathers network information
PID:2176

C:\Windows\system32\format.com
format c
2⤵
- Enumerates connected drives
PID:2196

C:\Windows\system32\format.com
format c:
2⤵
PID:2072

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2616

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Downloads\ConvertMerge.xhtml
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4040 CREDAT:82945 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\windows.exe
MD5
edc4f10a5e164db64bf79eca207f2749

SHA1
d08eb761a5446a4409a72f3af3fb8dd60eec7c92

SHA256
ce6421107031175f39e61d3bcc5a98d1d94190e250034e27cdbebbadcba084a4

SHA512
e974a32096cc58c1a78c7aa8714b8b8b7a202859905a28d5ce61fd9a563382a7577825e8c9ee612d7ba708f3efef01a43d07df03e7c1e3e52d0cb32240d5d15d

Download Submit
C:\Users\Admin\AppData\Local\Temp\windows.exe
MD5
edc4f10a5e164db64bf79eca207f2749

SHA1
d08eb761a5446a4409a72f3af3fb8dd60eec7c92

SHA256
ce6421107031175f39e61d3bcc5a98d1d94190e250034e27cdbebbadcba084a4

SHA512
e974a32096cc58c1a78c7aa8714b8b8b7a202859905a28d5ce61fd9a563382a7577825e8c9ee612d7ba708f3efef01a43d07df03e7c1e3e52d0cb32240d5d15d

Download Submit
C:\njRAT.exe
MD5
08f223ac15e2e92561ed310ae71415c1

SHA1
0a871a4b376bd8771188b96a9a1bb6fe1205160d

SHA256
51f2aec8b6de1e49b1ca74203afd380484932b07067a91f027548bc20b8967ec

SHA512
9acc7b4976c23fa019361b52eb22dcdfbf0bb1039aa8c8e74507f0501709616757a2d762d0478956a03bfadecdee812c9aa2360655891ab4ed1de96f35e23cd4

Download Submit
C:\njRAT.exe
MD5
08f223ac15e2e92561ed310ae71415c1

SHA1
0a871a4b376bd8771188b96a9a1bb6fe1205160d

SHA256
51f2aec8b6de1e49b1ca74203afd380484932b07067a91f027548bc20b8967ec

SHA512
9acc7b4976c23fa019361b52eb22dcdfbf0bb1039aa8c8e74507f0501709616757a2d762d0478956a03bfadecdee812c9aa2360655891ab4ed1de96f35e23cd4

Download Submit
C:\njq8.exe
MD5
edc4f10a5e164db64bf79eca207f2749

SHA1
d08eb761a5446a4409a72f3af3fb8dd60eec7c92

SHA256
ce6421107031175f39e61d3bcc5a98d1d94190e250034e27cdbebbadcba084a4

SHA512
e974a32096cc58c1a78c7aa8714b8b8b7a202859905a28d5ce61fd9a563382a7577825e8c9ee612d7ba708f3efef01a43d07df03e7c1e3e52d0cb32240d5d15d

Download Submit
C:\njq8.exe
MD5
edc4f10a5e164db64bf79eca207f2749

SHA1
d08eb761a5446a4409a72f3af3fb8dd60eec7c92

SHA256
ce6421107031175f39e61d3bcc5a98d1d94190e250034e27cdbebbadcba084a4

SHA512
e974a32096cc58c1a78c7aa8714b8b8b7a202859905a28d5ce61fd9a563382a7577825e8c9ee612d7ba708f3efef01a43d07df03e7c1e3e52d0cb32240d5d15d

Download Submit
memory/1036-132-0x0000000003254000-0x0000000003256000-memory.dmp

Filesize
8KB

Download
memory/1036-131-0x0000000003251000-0x0000000003252000-memory.dmp

Filesize
4KB

Download
memory/1036-127-0x0000000003250000-0x0000000003251000-memory.dmp

Filesize
4KB

Download
memory/1296-119-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/1296-121-0x0000000005590000-0x0000000005A8E000-memory.dmp

Filesize
5.0MB

Download
memory/1296-120-0x0000000005790000-0x00000000057E6000-memory.dmp

Filesize
344KB

Download
memory/1296-115-0x0000000000A80000-0x0000000000B78000-memory.dmp

Filesize
992KB

Download
memory/1296-118-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/1296-117-0x0000000005A90000-0x0000000005F8E000-memory.dmp

Filesize
5.0MB

Download
memory/1296-116-0x00000000054E0000-0x000000000557C000-memory.dmp

Filesize
624KB

Download
memory/1892-126-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/3224-130-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/3224-133-0x0000000002893000-0x0000000002895000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads