njrat | 898ac001d0f6c52c1001c640d9860287fdf30a648d580e9f5dd15e2ef84ab18e

General

Target

Remcos Professional Cracked By Alcatraz3222.exe
Size

17.7MB
MD5

efc159c7cf75545997f8c6af52d3e802
SHA1

b85bd368c91a13db1c5de2326deb25ad666c24c1
SHA256

898ac001d0f6c52c1001c640d9860287fdf30a648d580e9f5dd15e2ef84ab18e
SHA512

d06a432233dceb731defd53238971699fef201d0f9144ee50e5dd7d6620dfdd6c298d52618bf2c9feb0519574f4565fb0177b00fd8292768fbd8b85dd11e650d
SSDEEP

393216:GYuGvp8EHb+in8f4Zg41+Q4AXf5ZZcyfHDMxVpSc+q+eOFxdx:3mqSi8fN4sAXfrZcyfo7p0eYHx

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

dllsys.duckdns.org:3202

Mutex

3b570ffeeb3d34249b9a5ce0ee58a328

Attributes

reg_key
3b570ffeeb3d34249b9a5ce0ee58a328
splitter
svchost

Signatures

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
4208	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	Remcos Professional Cracked By Alcatraz3222.exe

Executes dropped EXE 1 IoCs

pid	Process
1860	taskhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4424 set thread context of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94

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

System Location Discovery: System Language Discovery 1 TTPs 7 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	Remcos Professional Cracked By Alcatraz3222.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4424	Remcos Professional Cracked By Alcatraz3222.exe
4424	Remcos Professional Cracked By Alcatraz3222.exe
4424	Remcos Professional Cracked By Alcatraz3222.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	Remcos Professional Cracked By Alcatraz3222.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 3484	4424	Remcos Professional Cracked By Alcatraz3222.exe	87
PID 4424 wrote to memory of 3484	4424	Remcos Professional Cracked By Alcatraz3222.exe	87
PID 4424 wrote to memory of 3484	4424	Remcos Professional Cracked By Alcatraz3222.exe	87
PID 4424 wrote to memory of 2304	4424	Remcos Professional Cracked By Alcatraz3222.exe	89
PID 4424 wrote to memory of 2304	4424	Remcos Professional Cracked By Alcatraz3222.exe	89
PID 4424 wrote to memory of 2304	4424	Remcos Professional Cracked By Alcatraz3222.exe	89
PID 2304 wrote to memory of 4980	2304	cmd.exe	91
PID 2304 wrote to memory of 4980	2304	cmd.exe	91
PID 2304 wrote to memory of 4980	2304	cmd.exe	91
PID 4424 wrote to memory of 3228	4424	Remcos Professional Cracked By Alcatraz3222.exe	92
PID 4424 wrote to memory of 3228	4424	Remcos Professional Cracked By Alcatraz3222.exe	92
PID 4424 wrote to memory of 3228	4424	Remcos Professional Cracked By Alcatraz3222.exe	92
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 4424 wrote to memory of 1860	4424	Remcos Professional Cracked By Alcatraz3222.exe	94
PID 1860 wrote to memory of 4208	1860	taskhost.exe	97
PID 1860 wrote to memory of 4208	1860	taskhost.exe	97
PID 1860 wrote to memory of 4208	1860	taskhost.exe	97

C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222.exe
"C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/Remcos Professional Cracked By Alcatraz3222.exe" "%temp%\Profile Remcos\Update_Lock_Remcos.exe" /Y
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\Profile Remcos\Update_Lock_Remcos.exe.lnk" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Profile Remcos\Update_Lock_Remcos.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\Profile Remcos\Update_Lock_Remcos.exe:Zone.Identifier
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3228
- C:\Users\Admin\AppData\Local\Temp\taskhost.exe
  "C:\Users\Admin\AppData\Local\Temp\taskhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\taskhost.exe" "taskhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\Temp\Profile Remcos\Update_Lock_Remcos.exe

Filesize
17.7MB

MD5
efc159c7cf75545997f8c6af52d3e802

SHA1
b85bd368c91a13db1c5de2326deb25ad666c24c1

SHA256
898ac001d0f6c52c1001c640d9860287fdf30a648d580e9f5dd15e2ef84ab18e

SHA512
d06a432233dceb731defd53238971699fef201d0f9144ee50e5dd7d6620dfdd6c298d52618bf2c9feb0519574f4565fb0177b00fd8292768fbd8b85dd11e650d

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

Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

Download Submit
memory/1860-18-0x0000000005C70000-0x0000000006214000-memory.dmp

Filesize
5.6MB

Download
memory/1860-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1860-15-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1860-21-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/1860-22-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4424-3-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4424-4-0x000000000D760000-0x000000000E8E2000-memory.dmp

Filesize
17.5MB

Download
memory/4424-2-0x0000000006090000-0x000000000612C000-memory.dmp

Filesize
624KB

Download
memory/4424-1-0x00000000004A0000-0x000000000164E000-memory.dmp

Filesize
17.7MB

Download
memory/4424-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/4424-19-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/4424-20-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads