njrat | 8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22

General

Target

8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
Size

570KB
MD5

6eefc2e66427352eb73e4d25633aebdc
SHA1

b8452552ca2ac65d844649f295a4fe6ce494577e
SHA256

8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22
SHA512

62586d8a2c623c6676598c7f4c8e4c1da96ddf5af1e6395bcf52d7ed752da4b17bb6e1279f4bd91c53401b436bc561f7727aebc7d772cb7988dd7ad340d81e53
SSDEEP

12288:LF6kN+Db1Sk42sC5kQRP31W/su/HFQXmB9T9dnB:LF6kcnUkdrWHFQWB9T9NB

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

692 netsh.exe

pid	process
692	netsh.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exesex.exeTempserver.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	sex.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Tempserver.exe

Drops startup file 2 IoCs

Processes:

Trojan.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Executes dropped EXE 3 IoCs

Processes:

sex.exeTempserver.exeTrojan.exe

pid process

4388 sex.exe
3136 Tempserver.exe
4352 Trojan.exe

pid	process
4388	sex.exe
3136	Tempserver.exe
4352	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Drops file in Program Files directory 6 IoCs

Processes:

8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\c	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
File created	C:\Program Files (x86)\c\__tmp_rar_sfx_access_check_240632812	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
File created	C:\Program Files (x86)\c\sex.jpg	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
File opened for modification	C:\Program Files (x86)\c\sex.jpg	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
File created	C:\Program Files (x86)\c\sex.exe	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
File opened for modification	C:\Program Files (x86)\c\sex.exe	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Tempserver.exeTrojan.exenetsh.exe8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exesex.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Tempserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sex.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

Trojan.exe

pid	process
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe
4352	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description pid process

Token: SeDebugPrivilege 4352 Trojan.exe

description	pid	process
Token: SeDebugPrivilege	4352	Trojan.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exesex.exeTempserver.exeTrojan.exe

description	pid	process	target process
PID 3096 wrote to memory of 4388	3096	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe	sex.exe
PID 3096 wrote to memory of 4388	3096	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe	sex.exe
PID 3096 wrote to memory of 4388	3096	8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe	sex.exe
PID 4388 wrote to memory of 3136	4388	sex.exe	Tempserver.exe
PID 4388 wrote to memory of 3136	4388	sex.exe	Tempserver.exe
PID 4388 wrote to memory of 3136	4388	sex.exe	Tempserver.exe
PID 3136 wrote to memory of 4352	3136	Tempserver.exe	Trojan.exe
PID 3136 wrote to memory of 4352	3136	Tempserver.exe	Trojan.exe
PID 3136 wrote to memory of 4352	3136	Tempserver.exe	Trojan.exe
PID 4352 wrote to memory of 692	4352	Trojan.exe	netsh.exe
PID 4352 wrote to memory of 692	4352	Trojan.exe	netsh.exe
PID 4352 wrote to memory of 692	4352	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe
"C:\Users\Admin\AppData\Local\Temp\8ccdea6c2ee48036d6edd9d79887b3d7e13a0291d1bdddc305a141d0596e3a22.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Program Files (x86)\c\sex.exe
  "C:\Program Files (x86)\c\sex.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4388
- - C:\Users\Admin\AppData\Local\Tempserver.exe
    "C:\Users\Admin\AppData\Local\Tempserver.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3136
  - - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4352
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\c\sex.exe

Filesize
151KB

MD5
4dba1b52da1ddaf7dc2dc444e4377868

SHA1
7a73d8d8e732bce2c70c7b0cc7f206b78b624244

SHA256
e85789ca9efef66e7ec1917f16ce0d384e2e41fa07a82ebc6b74aa91499952f5

SHA512
5aabf5bbeba7cee8dc923d4ed19540eb4230420e39e3ea9814e784945bfb5fa3cb804025cc50343ea5b0ad919c27d265677999b75ccc1436db17490ce107f656

Download Submit
C:\Users\Admin\AppData\Local\Tempserver.exe

Filesize
29KB

MD5
fa3edf01c318ab76fa9d0dbe6ca968c0

SHA1
613907f6f1583d228354b9d5df0d01408b2593be

SHA256
982cb927dd20624d9244acc10e4fa6ece928924691a6e347ab2e38949edf22e1

SHA512
0c9c3d38f5cc6550721cfa87d5f7e25aeb1232b4b4b36e2e2de215fac2884888a877c059d0e1c5133d5efb88c2cbdd810f3584540f470693fc4e10a909d11fc8

Download Submit
memory/4388-14-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/4388-15-0x0000000000070000-0x000000000009C000-memory.dmp

Filesize
176KB

Download
memory/4388-16-0x0000000004F80000-0x0000000005524000-memory.dmp

Filesize
5.6MB

Download
memory/4388-17-0x00000000049D0000-0x0000000004A62000-memory.dmp

Filesize
584KB

Download
memory/4388-18-0x0000000004A70000-0x0000000004B0C000-memory.dmp

Filesize
624KB

Download
memory/4388-19-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4388-20-0x0000000004950000-0x000000000495A000-memory.dmp

Filesize
40KB

Download
memory/4388-21-0x0000000004B70000-0x0000000004BC6000-memory.dmp

Filesize
344KB

Download
memory/4388-22-0x0000000004F50000-0x0000000004F60000-memory.dmp

Filesize
64KB

Download
memory/4388-32-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads