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

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Remcos Professional Cracked By Alcatraz3222.exe

Executes dropped EXE 1 IoCs

pid	Process
348	taskhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhost.exe
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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1884	Remcos Professional Cracked By Alcatraz3222.exe
1884	Remcos Professional Cracked By Alcatraz3222.exe
1884	Remcos Professional Cracked By Alcatraz3222.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	Remcos Professional Cracked By Alcatraz3222.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2932	1884	Remcos Professional Cracked By Alcatraz3222.exe	86
PID 1884 wrote to memory of 2932	1884	Remcos Professional Cracked By Alcatraz3222.exe	86
PID 1884 wrote to memory of 2932	1884	Remcos Professional Cracked By Alcatraz3222.exe	86
PID 1884 wrote to memory of 1784	1884	Remcos Professional Cracked By Alcatraz3222.exe	88
PID 1884 wrote to memory of 1784	1884	Remcos Professional Cracked By Alcatraz3222.exe	88
PID 1884 wrote to memory of 1784	1884	Remcos Professional Cracked By Alcatraz3222.exe	88
PID 1784 wrote to memory of 3188	1784	cmd.exe	90
PID 1784 wrote to memory of 3188	1784	cmd.exe	90
PID 1784 wrote to memory of 3188	1784	cmd.exe	90
PID 1884 wrote to memory of 4372	1884	Remcos Professional Cracked By Alcatraz3222.exe	91
PID 1884 wrote to memory of 4372	1884	Remcos Professional Cracked By Alcatraz3222.exe	91
PID 1884 wrote to memory of 4372	1884	Remcos Professional Cracked By Alcatraz3222.exe	91
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93
PID 1884 wrote to memory of 348	1884	Remcos Professional Cracked By Alcatraz3222.exe	93

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:1884
- 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:2932
- 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:1784
- - 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:3188
- 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:4372
- 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
  PID:348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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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/348-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/348-15-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/348-18-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/1884-0-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/1884-1-0x0000000000400000-0x00000000015AE000-memory.dmp

Filesize
17.7MB

Download
memory/1884-2-0x0000000005E30000-0x0000000005ECC000-memory.dmp

Filesize
624KB

Download
memory/1884-3-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/1884-4-0x000000000D520000-0x000000000E6A2000-memory.dmp

Filesize
17.5MB

Download
memory/1884-19-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/1884-20-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download

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