njrat | 83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3

Analysis

max time kernel
163s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
11/11/2023, 10:14

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General

Target

NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe
Size

1.8MB
MD5

51e2b3a5796a75f5c4644a27a4671d33
SHA1

c6802add2703df2865ec891358f02a420e7b5a57
SHA256

83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3
SHA512

592c8e646aaf2c78da3f276e8c055478879532810d6076beb8606bc6ad0abbb512d19d63ab4cd0f77547ff54913ef19cdd6ecf251a4c11131be05fc7a70df02a
SSDEEP

49152:ZbCjPKNqQpcAmVfq4UbCjPKNqQpcAmVfq42bCjn:hCjPKNPZmVfjsCjPKNPZmVfjiCjn

Score

10^/10

njrat jjj evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jjj

youri.mooo.com:1605

Mutex

e936a10f968ac948cd351c9629dbd36d

Attributes

reg_key
e936a10f968ac948cd351c9629dbd36d
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
3436	netsh.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
4760	winmgr107.exe
4484	winmgr107.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2 = "C:\\ProgramData\\winmgr107.exe"	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2 = "C:\\ProgramData\\winmgr107.exe"	winmgr107.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000e000000022cdd-7.dat	autoit_exe
behavioral2/files/0x000e000000022cdd-8.dat	autoit_exe
behavioral2/files/0x0006000000022cc6-10.dat	autoit_exe
behavioral2/files/0x000e000000022cdd-19.dat	autoit_exe
behavioral2/files/0x000e000000022cdd-20.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4760 set thread context of 3312	4760	winmgr107.exe	106

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 15 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1028	schtasks.exe
2036	schtasks.exe
1600	schtasks.exe
4380	schtasks.exe
3900	schtasks.exe
4544	schtasks.exe
780	schtasks.exe
4104	schtasks.exe
3628	schtasks.exe
4608	schtasks.exe
3952	schtasks.exe
4272	schtasks.exe
4796	schtasks.exe
4092	schtasks.exe
2780	schtasks.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\Local Settings	cmd.exe

NTFS ADS 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe:Zone.Identifier:$DATA	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe
File created	C:\ProgramData\winmgr107.exe:Zone.Identifier:$DATA	winmgr107.exe
File opened for modification	C:\ProgramData\winmgr107.exe:Zone.Identifier:$DATA	winmgr107.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe
3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4484	winmgr107.exe
4484	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe
4760	winmgr107.exe

Suspicious use of WriteProcessMemory 62 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 3096	3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe	97
PID 3504 wrote to memory of 3096	3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe	97
PID 3504 wrote to memory of 3096	3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe	97
PID 3504 wrote to memory of 4760	3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe	99
PID 3504 wrote to memory of 4760	3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe	99
PID 3504 wrote to memory of 4760	3504	NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe	99
PID 4760 wrote to memory of 3312	4760	winmgr107.exe	106
PID 4760 wrote to memory of 3312	4760	winmgr107.exe	106
PID 4760 wrote to memory of 3312	4760	winmgr107.exe	106
PID 4760 wrote to memory of 3312	4760	winmgr107.exe	106
PID 4760 wrote to memory of 3312	4760	winmgr107.exe	106
PID 4760 wrote to memory of 4608	4760	winmgr107.exe	107
PID 4760 wrote to memory of 4608	4760	winmgr107.exe	107
PID 4760 wrote to memory of 4608	4760	winmgr107.exe	107
PID 4760 wrote to memory of 4092	4760	winmgr107.exe	109
PID 4760 wrote to memory of 4092	4760	winmgr107.exe	109
PID 4760 wrote to memory of 4092	4760	winmgr107.exe	109
PID 3096 wrote to memory of 4436	3096	cmd.exe	111
PID 3096 wrote to memory of 4436	3096	cmd.exe	111
PID 3096 wrote to memory of 4436	3096	cmd.exe	111
PID 4760 wrote to memory of 2780	4760	winmgr107.exe	112
PID 4760 wrote to memory of 2780	4760	winmgr107.exe	112
PID 4760 wrote to memory of 2780	4760	winmgr107.exe	112
PID 4760 wrote to memory of 3952	4760	winmgr107.exe	114
PID 4760 wrote to memory of 3952	4760	winmgr107.exe	114
PID 4760 wrote to memory of 3952	4760	winmgr107.exe	114
PID 4760 wrote to memory of 780	4760	winmgr107.exe	117
PID 4760 wrote to memory of 780	4760	winmgr107.exe	117
PID 4760 wrote to memory of 780	4760	winmgr107.exe	117
PID 4760 wrote to memory of 3628	4760	winmgr107.exe	120
PID 4760 wrote to memory of 3628	4760	winmgr107.exe	120
PID 4760 wrote to memory of 3628	4760	winmgr107.exe	120
PID 4760 wrote to memory of 1600	4760	winmgr107.exe	122
PID 4760 wrote to memory of 1600	4760	winmgr107.exe	122
PID 4760 wrote to memory of 1600	4760	winmgr107.exe	122
PID 4760 wrote to memory of 4272	4760	winmgr107.exe	124
PID 4760 wrote to memory of 4272	4760	winmgr107.exe	124
PID 4760 wrote to memory of 4272	4760	winmgr107.exe	124
PID 4760 wrote to memory of 4104	4760	winmgr107.exe	126
PID 4760 wrote to memory of 4104	4760	winmgr107.exe	126
PID 4760 wrote to memory of 4104	4760	winmgr107.exe	126
PID 4760 wrote to memory of 4380	4760	winmgr107.exe	128
PID 4760 wrote to memory of 4380	4760	winmgr107.exe	128
PID 4760 wrote to memory of 4380	4760	winmgr107.exe	128
PID 3312 wrote to memory of 3436	3312	RegAsm.exe	130
PID 3312 wrote to memory of 3436	3312	RegAsm.exe	130
PID 3312 wrote to memory of 3436	3312	RegAsm.exe	130
PID 4760 wrote to memory of 3900	4760	winmgr107.exe	132
PID 4760 wrote to memory of 3900	4760	winmgr107.exe	132
PID 4760 wrote to memory of 3900	4760	winmgr107.exe	132
PID 4760 wrote to memory of 1028	4760	winmgr107.exe	134
PID 4760 wrote to memory of 1028	4760	winmgr107.exe	134
PID 4760 wrote to memory of 1028	4760	winmgr107.exe	134
PID 4760 wrote to memory of 2036	4760	winmgr107.exe	136
PID 4760 wrote to memory of 2036	4760	winmgr107.exe	136
PID 4760 wrote to memory of 2036	4760	winmgr107.exe	136
PID 4760 wrote to memory of 4796	4760	winmgr107.exe	138
PID 4760 wrote to memory of 4796	4760	winmgr107.exe	138
PID 4760 wrote to memory of 4796	4760	winmgr107.exe	138
PID 4760 wrote to memory of 4544	4760	winmgr107.exe	140
PID 4760 wrote to memory of 4544	4760	winmgr107.exe	140
PID 4760 wrote to memory of 4544	4760	winmgr107.exe	140

C:\Users\Admin\AppData\Local\Temp\NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe"
1⤵
- Adds Run key to start application
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start C:\PROGRA~3\NEAS83~1.TXT
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3096
- - C:\Windows\SysWOW64\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe.txt
    3⤵
    PID:4436
- C:\ProgramData\winmgr107.exe
  C:\ProgramData\winmgr107.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    0
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3312
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:3436
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4608
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4092
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:2780
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:3952
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:780
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:3628
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:1600
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4272
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4104
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4380
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:3900
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:1028
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:2036
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4796
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
    3⤵
    - Creates scheduled task(s)
    PID:4544

C:\ProgramData\winmgr107.exe
C:\ProgramData\winmgr107.exe
1⤵
- Executes dropped EXE
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\PROGRA~3\NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe.txt

Filesize
992B

MD5
c8cf7247d4cfc99a7582a42d13df4c08

SHA1
317f5588af0b3b6374c436fb00084c522fd78a83

SHA256
78bd99781e971622f1573bccf2ae9cdd7a7498cf81c1875afc65913e1083b1d0

SHA512
5dd86b7ba388e5d2ad61b1c69589f42c36eec23a04b3cece0941133e0cf0e8a6f1f3aa2242d87af72db725b4b96032dadae72b3be98af3cfce5786ad8c08c357

Download Submit
C:\ProgramData\winmgr107.exe

Filesize
1.8MB

MD5
6a634919ba02d2637cd74103c0759046

SHA1
96527a2abfcb82f4215dfa95a8a094448924ce97

SHA256
d554ea697a1d2878a38ba595fd0a533ad3caa9237842b0292f408e65deb4f6ec

SHA512
ced8a02352df20f162573412c706589e7d3287b551f58fb5deac47d07ccdea5231a5e24c040c225df5cbe4ffd341055a5164332002bb89b12d52f03e1b9fc435

Download Submit
C:\ProgramData\winmgr107.exe

Filesize
1.8MB

MD5
6a634919ba02d2637cd74103c0759046

SHA1
96527a2abfcb82f4215dfa95a8a094448924ce97

SHA256
d554ea697a1d2878a38ba595fd0a533ad3caa9237842b0292f408e65deb4f6ec

SHA512
ced8a02352df20f162573412c706589e7d3287b551f58fb5deac47d07ccdea5231a5e24c040c225df5cbe4ffd341055a5164332002bb89b12d52f03e1b9fc435

Download Submit
C:\ProgramData\winmgr107.exe

Filesize
1.8MB

MD5
6a634919ba02d2637cd74103c0759046

SHA1
96527a2abfcb82f4215dfa95a8a094448924ce97

SHA256
d554ea697a1d2878a38ba595fd0a533ad3caa9237842b0292f408e65deb4f6ec

SHA512
ced8a02352df20f162573412c706589e7d3287b551f58fb5deac47d07ccdea5231a5e24c040c225df5cbe4ffd341055a5164332002bb89b12d52f03e1b9fc435

Download Submit
C:\ProgramData\winmgr107.exe

Filesize
1.8MB

MD5
6a634919ba02d2637cd74103c0759046

SHA1
96527a2abfcb82f4215dfa95a8a094448924ce97

SHA256
d554ea697a1d2878a38ba595fd0a533ad3caa9237842b0292f408e65deb4f6ec

SHA512
ced8a02352df20f162573412c706589e7d3287b551f58fb5deac47d07ccdea5231a5e24c040c225df5cbe4ffd341055a5164332002bb89b12d52f03e1b9fc435

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3.exe

Filesize
1.8MB

MD5
51e2b3a5796a75f5c4644a27a4671d33

SHA1
c6802add2703df2865ec891358f02a420e7b5a57

SHA256
83fa082a1aea507b9c3e130c4308a7ac8c11a831aca1bac8cd8bf4ebc264bce3

SHA512
592c8e646aaf2c78da3f276e8c055478879532810d6076beb8606bc6ad0abbb512d19d63ab4cd0f77547ff54913ef19cdd6ecf251a4c11131be05fc7a70df02a

Download Submit
memory/3312-15-0x0000000000F60000-0x0000000000F6C000-memory.dmp

Filesize
48KB

Download
memory/3312-16-0x00000000727A0000-0x0000000072D51000-memory.dmp

Filesize
5.7MB

Download
memory/3312-18-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/3312-17-0x00000000727A0000-0x0000000072D51000-memory.dmp

Filesize
5.7MB

Download
memory/3312-21-0x00000000727A0000-0x0000000072D51000-memory.dmp

Filesize
5.7MB

Download
memory/3312-23-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download