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 evasion 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 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3348 netsh.exe

pid	process
3348	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

Processes:

Remcos Professional Cracked By Alcatraz3222.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	Remcos Professional Cracked By Alcatraz3222.exe

Executes dropped EXE 1 IoCs

Processes:

taskhost.exe

pid process

1724 taskhost.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Remcos Professional Cracked By Alcatraz3222.exe

description pid process target process

PID 2700 set thread context of 1724 2700 Remcos Professional Cracked By Alcatraz3222.exe taskhost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1724	taskhost.exe

description	pid	process	target process
PID 2700 set thread context of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Remcos Professional Cracked By Alcatraz3222.exe

pid	process
2700	Remcos Professional Cracked By Alcatraz3222.exe
2700	Remcos Professional Cracked By Alcatraz3222.exe
2700	Remcos Professional Cracked By Alcatraz3222.exe
2700	Remcos Professional Cracked By Alcatraz3222.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Remcos Professional Cracked By Alcatraz3222.exetaskhost.exe

description	pid	process
Token: SeDebugPrivilege	2700	Remcos Professional Cracked By Alcatraz3222.exe
Token: SeDebugPrivilege	1724	taskhost.exe
Token: 33	1724	taskhost.exe
Token: SeIncBasePriorityPrivilege	1724	taskhost.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Remcos Professional Cracked By Alcatraz3222.execmd.exetaskhost.exe

description	pid	process	target process
PID 2700 wrote to memory of 2064	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 2064	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 2064	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 4700	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 4700	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 4700	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 4700 wrote to memory of 1264	4700	cmd.exe	reg.exe
PID 4700 wrote to memory of 1264	4700	cmd.exe	reg.exe
PID 4700 wrote to memory of 1264	4700	cmd.exe	reg.exe
PID 2700 wrote to memory of 2408	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 2408	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 2408	2700	Remcos Professional Cracked By Alcatraz3222.exe	cmd.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 2700 wrote to memory of 1724	2700	Remcos Professional Cracked By Alcatraz3222.exe	taskhost.exe
PID 1724 wrote to memory of 3348	1724	taskhost.exe	netsh.exe
PID 1724 wrote to memory of 3348	1724	taskhost.exe	netsh.exe
PID 1724 wrote to memory of 3348	1724	taskhost.exe	netsh.exe

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700

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⤵
PID:2064

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⤵
- Suspicious use of WriteProcessMemory
PID:4700

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⤵
PID:1264

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⤵
PID:2408

C:\Users\Admin\AppData\Local\Temp\taskhost.exe
"C:\Users\Admin\AppData\Local\Temp\taskhost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\taskhost.exe" "taskhost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3348

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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
C:\Users\Admin\AppData\Local\Temp\taskhost.exe
Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

Download Submit
memory/1724-143-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1724-148-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/1724-150-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/1724-151-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/1724-152-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/1724-154-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/2700-135-0x0000000006CE0000-0x0000000006CF0000-memory.dmp

Filesize
64KB

Download
memory/2700-134-0x0000000006B10000-0x0000000006BAC000-memory.dmp

Filesize
624KB

Download
memory/2700-133-0x0000000000FF0000-0x000000000219E000-memory.dmp

Filesize
17.7MB

Download
memory/2700-149-0x0000000006CE0000-0x0000000006CF0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads