njrat | 1339aec2f0f3c803e549efce6e60bb3e7030b30b3959521554584b454f8b3b80

General

Target

aee836f94d476c42f3078f1463aa6e80.exe
Size

360KB
MD5

aee836f94d476c42f3078f1463aa6e80
SHA1

7d53870bb3386d62020062839622933f7cbb6c1d
SHA256

1339aec2f0f3c803e549efce6e60bb3e7030b30b3959521554584b454f8b3b80
SHA512

d3328b3aede2f30fdb2b4b49cd7df51b14a374219c3a65a101c2943c7954df6bd9a7759f2628f57a42fb9da201dd55c1fa750e435bca72ed24251cb1942044cb

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

rorayan1234.ddns.net:1177

Mutex

081e607e651641c7b259dbca3265a32e

Attributes

reg_key
081e607e651641c7b259dbca3265a32e
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

Client.exeserver.exe

pid process

856 Client.exe
408 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Loads dropped DLL 4 IoCs

Processes:

aee836f94d476c42f3078f1463aa6e80.exeClient.exe

pid process

268 aee836f94d476c42f3078f1463aa6e80.exe
268 aee836f94d476c42f3078f1463aa6e80.exe
268 aee836f94d476c42f3078f1463aa6e80.exe
856 Client.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
856	Client.exe
408	server.exe

pid	process
268	aee836f94d476c42f3078f1463aa6e80.exe
268	aee836f94d476c42f3078f1463aa6e80.exe
268	aee836f94d476c42f3078f1463aa6e80.exe
856	Client.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe
Token: 33	408	server.exe
Token: SeIncBasePriorityPrivilege	408	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

aee836f94d476c42f3078f1463aa6e80.exeClient.exeserver.exe

description	pid	process	target process
PID 268 wrote to memory of 856	268	aee836f94d476c42f3078f1463aa6e80.exe	Client.exe
PID 268 wrote to memory of 856	268	aee836f94d476c42f3078f1463aa6e80.exe	Client.exe
PID 268 wrote to memory of 856	268	aee836f94d476c42f3078f1463aa6e80.exe	Client.exe
PID 268 wrote to memory of 856	268	aee836f94d476c42f3078f1463aa6e80.exe	Client.exe
PID 856 wrote to memory of 408	856	Client.exe	server.exe
PID 856 wrote to memory of 408	856	Client.exe	server.exe
PID 856 wrote to memory of 408	856	Client.exe	server.exe
PID 856 wrote to memory of 408	856	Client.exe	server.exe
PID 408 wrote to memory of 1672	408	server.exe	netsh.exe
PID 408 wrote to memory of 1672	408	server.exe	netsh.exe
PID 408 wrote to memory of 1672	408	server.exe	netsh.exe
PID 408 wrote to memory of 1672	408	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\aee836f94d476c42f3078f1463aa6e80.exe
"C:\Users\Admin\AppData\Local\Temp\aee836f94d476c42f3078f1463aa6e80.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:268

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
4⤵
PID:1672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

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\Client.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
\Users\Admin\AppData\Local\Temp\Client.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
\Users\Admin\AppData\Local\Temp\Client.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
\Users\Admin\AppData\Local\Temp\Client.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
MD5
226476efe7eadc5218fae9a773dae549

SHA1
020cd630821a60e7c605423c55df0bd49ce2a624

SHA256
2cec2446796586d7565f1765cb3767c342744770767d76d94e5517a39f15cdbf

SHA512
fa95c0fece906b1e4fbfbe34798f60dee0d5f955c3b5c86f40f91cfcfb5571a9b0be7204bfc2d3f244e9c88ad62d8b33b09b145c8fed9e3f302c578b35306c46

Download Submit
memory/268-63-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/268-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/408-66-0x0000000000000000-mapping.dmp

Download
memory/408-70-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/856-59-0x0000000000000000-mapping.dmp

Download
memory/856-64-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/1672-71-0x0000000000000000-mapping.dmp

Download

Analysis

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