njrat | 864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a

General

Target

864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exe
Size

92KB
MD5

d136709b5b24d88ea5e2f42821a5a996
SHA1

ce1371e3e78173266a95370856ad24412aaa9b23
SHA256

864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a
SHA512

5642bef456efcb67dc7788a7af5296e5c856d66a10e31a0ff140641226f176d6c573e848bc3ad1680b8279f9a92bef6c7683f1a62b92df6f4883299df2c0bc6a

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

Chrome.exe

pid process

3020 Chrome.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
3020	Chrome.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Chrome.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\9174f01a6e44cbc9af1239d5bb1d7327 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9174f01a6e44cbc9af1239d5bb1d7327 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.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 33 IoCs

Processes:

Chrome.exe

description	pid	process
Token: SeDebugPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe
Token: 33	3020	Chrome.exe
Token: SeIncBasePriorityPrivilege	3020	Chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exeChrome.exe

description	pid	process	target process
PID 3732 wrote to memory of 3020	3732	864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exe	Chrome.exe
PID 3732 wrote to memory of 3020	3732	864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exe	Chrome.exe
PID 3732 wrote to memory of 3020	3732	864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exe	Chrome.exe
PID 3020 wrote to memory of 3988	3020	Chrome.exe	netsh.exe
PID 3020 wrote to memory of 3988	3020	Chrome.exe	netsh.exe
PID 3020 wrote to memory of 3988	3020	Chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exe
"C:\Users\Admin\AppData\Local\Temp\864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3732

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
3⤵
PID:3988

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\Chrome.exe
MD5
d136709b5b24d88ea5e2f42821a5a996

SHA1
ce1371e3e78173266a95370856ad24412aaa9b23

SHA256
864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a

SHA512
5642bef456efcb67dc7788a7af5296e5c856d66a10e31a0ff140641226f176d6c573e848bc3ad1680b8279f9a92bef6c7683f1a62b92df6f4883299df2c0bc6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Chrome.exe
MD5
d136709b5b24d88ea5e2f42821a5a996

SHA1
ce1371e3e78173266a95370856ad24412aaa9b23

SHA256
864259b607ed3dd2fc8873cd2e0fcbbb1b156bbf67afb55cbc41b8a83ae81b9a

SHA512
5642bef456efcb67dc7788a7af5296e5c856d66a10e31a0ff140641226f176d6c573e848bc3ad1680b8279f9a92bef6c7683f1a62b92df6f4883299df2c0bc6a

Download Submit
memory/3020-136-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

Filesize
4KB

Download
memory/3020-135-0x0000000006DC0000-0x0000000006DC1000-memory.dmp

Filesize
4KB

Download
memory/3020-131-0x0000000004A10000-0x0000000004A11000-memory.dmp

Filesize
4KB

Download
memory/3020-123-0x0000000000000000-mapping.dmp

Download
memory/3732-119-0x0000000007DB0000-0x0000000007DB1000-memory.dmp

Filesize
4KB

Download
memory/3732-122-0x000000002C370000-0x000000002C371000-memory.dmp

Filesize
4KB

Download
memory/3732-121-0x0000000002EA0000-0x0000000002EA9000-memory.dmp

Filesize
36KB

Download
memory/3732-120-0x0000000001690000-0x0000000001691000-memory.dmp

Filesize
4KB

Download
memory/3732-115-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/3732-118-0x0000000002E50000-0x0000000002E51000-memory.dmp

Filesize
4KB

Download
memory/3732-117-0x0000000003050000-0x0000000003070000-memory.dmp

Filesize
128KB

Download
memory/3988-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads