njrat | a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8

General

Target

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
Size

156KB
MD5

36c57457c2c40668e92081f2dfbebdd2
SHA1

7413402da144374be19572798e14efe51e72a1cd
SHA256

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8
SHA512

dab1faf27e8d91b253596d78836bc594a56354af0dbb3530f9fa4cc26194d6f4cfecd16e4911bc4dedf2cee9cf2a9ff38c2ecdc614a08cde7b37fc431fc06b11
SSDEEP

3072:Wp9ei9ELN8n4bS8Zl9QJKiFS+RRHlOHdflkRBmolz4wPG:Xi9v4bfL9QJxk+/kFmRf4

Score

10^/10

njrat new1 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

new1

C2

yourmain.no-ip.info:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

sql_support.exe

pid process

556 sql_support.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1052 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe

pid process

1488 a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe

pid	process
556	sql_support.exe

pid	process
1052	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Update = "C:\\Users\\Admin\\AppData\\Roaming\\MyApps\\chrome.exe"	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe

description	pid	process	target process
PID 1488 set thread context of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exeRegAsm.exe

pid	process
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
516	RegAsm.exe
516	RegAsm.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
516	RegAsm.exe
516	RegAsm.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
Token: SeDebugPrivilege	516	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exeRegAsm.exe

description	pid	process	target process
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 516	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	RegAsm.exe
PID 1488 wrote to memory of 556	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	sql_support.exe
PID 1488 wrote to memory of 556	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	sql_support.exe
PID 1488 wrote to memory of 556	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	sql_support.exe
PID 1488 wrote to memory of 556	1488	a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe	sql_support.exe
PID 516 wrote to memory of 1052	516	RegAsm.exe	netsh.exe
PID 516 wrote to memory of 1052	516	RegAsm.exe	netsh.exe
PID 516 wrote to memory of 1052	516	RegAsm.exe	netsh.exe
PID 516 wrote to memory of 1052	516	RegAsm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe
"C:\Users\Admin\AppData\Local\Temp\a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1052

C:\Users\Admin\AppData\Local\Temp\sql_support.exe
"C:\Users\Admin\AppData\Local\Temp\sql_support.exe" -woohoo 516 C:\Users\Admin\AppData\Local\Temp\chrome.exe
2⤵
- Executes dropped EXE
PID:556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sql_support.exe
Filesize
156KB

MD5
36c57457c2c40668e92081f2dfbebdd2

SHA1
7413402da144374be19572798e14efe51e72a1cd

SHA256
a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8

SHA512
dab1faf27e8d91b253596d78836bc594a56354af0dbb3530f9fa4cc26194d6f4cfecd16e4911bc4dedf2cee9cf2a9ff38c2ecdc614a08cde7b37fc431fc06b11

Download Submit
C:\Users\Admin\AppData\Local\Temp\sql_support.exe
Filesize
156KB

MD5
36c57457c2c40668e92081f2dfbebdd2

SHA1
7413402da144374be19572798e14efe51e72a1cd

SHA256
a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8

SHA512
dab1faf27e8d91b253596d78836bc594a56354af0dbb3530f9fa4cc26194d6f4cfecd16e4911bc4dedf2cee9cf2a9ff38c2ecdc614a08cde7b37fc431fc06b11

Download Submit
\Users\Admin\AppData\Local\Temp\sql_support.exe
Filesize
156KB

MD5
36c57457c2c40668e92081f2dfbebdd2

SHA1
7413402da144374be19572798e14efe51e72a1cd

SHA256
a4ce06d69cd23436729342c89905819e2a20040e0c661b8a02d4895e45e943c8

SHA512
dab1faf27e8d91b253596d78836bc594a56354af0dbb3530f9fa4cc26194d6f4cfecd16e4911bc4dedf2cee9cf2a9ff38c2ecdc614a08cde7b37fc431fc06b11

Download Submit
memory/516-70-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-58-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-60-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-62-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-64-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-66-0x0000000000408AFE-mapping.dmp

Download
memory/516-68-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-82-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/516-57-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/516-79-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/556-80-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/556-73-0x0000000000000000-mapping.dmp

Download
memory/556-81-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/1052-77-0x0000000000000000-mapping.dmp

Download
memory/1488-55-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/1488-56-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/1488-54-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads