njrat | 1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4

General

Target

1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe
Size

23KB
MD5

264cc8acfd74b2dc61c4601ebed22625
SHA1

4d34a5a2f1cfeb7841bfe6ae06d4dc5075da557c
SHA256

1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4
SHA512

8eeb2615c76fcd9ba9a6e6859fcf3d85ecbb46694bd0c5be20506f0fbe0ff67727985c592cf80a91011468696006592081556ef9ac1e65754054a6dac245da9f

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ranjeethubb-47583.portmap.io:47583

Mutex

784d648927e34213cad028b43aa070c4

Attributes

reg_key
784d648927e34213cad028b43aa070c4
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1736 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1736	server.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\784d648927e34213cad028b43aa070c4.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\784d648927e34213cad028b43aa070c4.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe

pid process

1936 1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe

pid	process
1936	1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\784d648927e34213cad028b43aa070c4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\784d648927e34213cad028b43aa070c4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exeserver.exe

description	pid	process	target process
PID 1936 wrote to memory of 1736	1936	1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe	server.exe
PID 1936 wrote to memory of 1736	1936	1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe	server.exe
PID 1936 wrote to memory of 1736	1936	1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe	server.exe
PID 1936 wrote to memory of 1736	1936	1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe	server.exe
PID 1736 wrote to memory of 1488	1736	server.exe	netsh.exe
PID 1736 wrote to memory of 1488	1736	server.exe	netsh.exe
PID 1736 wrote to memory of 1488	1736	server.exe	netsh.exe
PID 1736 wrote to memory of 1488	1736	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe
"C:\Users\Admin\AppData\Local\Temp\1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
PID:1488

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
264cc8acfd74b2dc61c4601ebed22625

SHA1
4d34a5a2f1cfeb7841bfe6ae06d4dc5075da557c

SHA256
1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4

SHA512
8eeb2615c76fcd9ba9a6e6859fcf3d85ecbb46694bd0c5be20506f0fbe0ff67727985c592cf80a91011468696006592081556ef9ac1e65754054a6dac245da9f

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
264cc8acfd74b2dc61c4601ebed22625

SHA1
4d34a5a2f1cfeb7841bfe6ae06d4dc5075da557c

SHA256
1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4

SHA512
8eeb2615c76fcd9ba9a6e6859fcf3d85ecbb46694bd0c5be20506f0fbe0ff67727985c592cf80a91011468696006592081556ef9ac1e65754054a6dac245da9f

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
264cc8acfd74b2dc61c4601ebed22625

SHA1
4d34a5a2f1cfeb7841bfe6ae06d4dc5075da557c

SHA256
1aea4cc5eed0fbf9bc14cecbab4b67a90754cb303eff6948ef147f7afa813eb4

SHA512
8eeb2615c76fcd9ba9a6e6859fcf3d85ecbb46694bd0c5be20506f0fbe0ff67727985c592cf80a91011468696006592081556ef9ac1e65754054a6dac245da9f

Download Submit
memory/1488-62-0x0000000000000000-mapping.dmp

Download
memory/1736-57-0x0000000000000000-mapping.dmp

Download
memory/1736-61-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/1936-54-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1936-55-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads