njrat | fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168

General

Target

fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
Size

211KB
MD5

7aea88442536ff42667f4073e3af7320
SHA1

569929fe6d511d8454620ed0c53ece0bcbddd116
SHA256

fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168
SHA512

6f7e3ca91a87fd431f3b5e03fdea7ffcf31ca09ba108d4bb593e90acf76058b07e2c06b1197ebde07ceed4ee3fe0ce03cda55dcf8e43a6936b874282f3bb4993
SSDEEP

3072:K80GK5/RPJTOSE1wIVNLIUFQbu21XxjVepW:KfhRPJaSgNsHbu2rj8

Score

10^/10

njrat yasser discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

yasser

C2

yassser.no-ip.org:5552

Mutex

32d2362b7a87fb7b318b9b923d0d0515

Attributes

reg_key
32d2362b7a87fb7b318b9b923d0d0515
splitter
|'|'|

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

pid	Process
512	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\32d2362b7a87fb7b318b9b923d0d0515.exe	facebook.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\32d2362b7a87fb7b318b9b923d0d0515.exe	facebook.exe

Executes dropped EXE 2 IoCs

pid	Process
64	facebook.exe
3964	facebook.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\32d2362b7a87fb7b318b9b923d0d0515 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\facebook.exe\" .."	facebook.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\32d2362b7a87fb7b318b9b923d0d0515 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\facebook.exe\" .."	facebook.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 64 set thread context of 3964	64	facebook.exe	91

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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	facebook.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	facebook.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
Token: SeDebugPrivilege	64	facebook.exe
Token: SeDebugPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe
Token: 33	3964	facebook.exe
Token: SeIncBasePriorityPrivilege	3964	facebook.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 220 wrote to memory of 2584	220	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	83
PID 2584 wrote to memory of 64	2584	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	84
PID 2584 wrote to memory of 64	2584	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	84
PID 2584 wrote to memory of 64	2584	fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe	84
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 64 wrote to memory of 3964	64	facebook.exe	91
PID 3964 wrote to memory of 512	3964	facebook.exe	99
PID 3964 wrote to memory of 512	3964	facebook.exe	99
PID 3964 wrote to memory of 512	3964	facebook.exe	99

C:\Users\Admin\AppData\Local\Temp\fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
"C:\Users\Admin\AppData\Local\Temp\fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
  C:\Users\Admin\AppData\Local\Temp\fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Users\Admin\AppData\Local\Temp\facebook.exe
    "C:\Users\Admin\AppData\Local\Temp\facebook.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:64
  - - C:\Users\Admin\AppData\Local\Temp\facebook.exe
      C:\Users\Admin\AppData\Local\Temp\facebook.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3964
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\facebook.exe" "facebook.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:512

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:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168N.exe.log

Filesize
581B

MD5
c2c6103879f86b46a441e1eb80aadf44

SHA1
43b4b793628e9b684df9a608433973e622046f30

SHA256
fffa889e2fee8b97b8cc425961b2931ece2c93db9db4a566d5c319c7e48d6e67

SHA512
d9f68aa1b205e85c36338cc3440a2a4577604d1b7bd8cb1ec148b56796f0c1dad8fae0d507cdcf4d0f3934a42dab280026e90871b0901096db2d672788e0d4b9

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

Filesize
211KB

MD5
7aea88442536ff42667f4073e3af7320

SHA1
569929fe6d511d8454620ed0c53ece0bcbddd116

SHA256
fcc63f6536645fe4faaecc064aae5a0bd0afa1f3370acff4c2f812127e2ef168

SHA512
6f7e3ca91a87fd431f3b5e03fdea7ffcf31ca09ba108d4bb593e90acf76058b07e2c06b1197ebde07ceed4ee3fe0ce03cda55dcf8e43a6936b874282f3bb4993

Download Submit
memory/64-27-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/64-21-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/64-22-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/220-0-0x0000000074812000-0x0000000074813000-memory.dmp

Filesize
4KB

Download
memory/220-2-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/220-1-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/220-6-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-8-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-20-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-7-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3964-29-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/3964-28-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download
memory/3964-31-0x0000000074810000-0x0000000074DC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads