njrat | b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9

General

Target

b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe
Size

23KB
MD5

67acdbca7c72d3969a549c414d18d630
SHA1

28bb308476aa7b3f6ac8d5299a0e70bcb8b5dcfc
SHA256

b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9
SHA512

5e284da79589178d6e62c2863e611cb8ac6b4bde653613bf5f227a5f9a59e29dc4c4fe9bc3a438ed4580538bda0d768a66e048f3bd4b6577bc79ad6472e328a7
SSDEEP

384:rcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZaR:w30py6vhxaRpcnuB

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

riad1.no-ip.biz:1177

Mutex

5715416fef0cb3c7ac9c48f716dce43b

Attributes

reg_key
5715416fef0cb3c7ac9c48f716dce43b
splitter
|'|'|

Signatures

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

Processes:

All2Chat.exe

pid process

3424 All2Chat.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3704 netsh.exe

pid	process
3424	All2Chat.exe

pid	process
3704	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:

b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe

Drops startup file 2 IoCs

Processes:

All2Chat.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5715416fef0cb3c7ac9c48f716dce43b.exe	All2Chat.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5715416fef0cb3c7ac9c48f716dce43b.exe	All2Chat.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

All2Chat.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5715416fef0cb3c7ac9c48f716dce43b = "\"C:\\Windows\\All2Chat.exe\" .."	All2Chat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5715416fef0cb3c7ac9c48f716dce43b = "\"C:\\Windows\\All2Chat.exe\" .."	All2Chat.exe

Drops file in Windows directory 1 IoCs

Processes:

b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe

description ioc process

File created C:\Windows\All2Chat.exe b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\All2Chat.exe	b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

All2Chat.exe

description	pid	process
Token: SeDebugPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe
Token: 33	3424	All2Chat.exe
Token: SeIncBasePriorityPrivilege	3424	All2Chat.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exeAll2Chat.exe

description	pid	process	target process
PID 4192 wrote to memory of 3424	4192	b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe	All2Chat.exe
PID 4192 wrote to memory of 3424	4192	b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe	All2Chat.exe
PID 4192 wrote to memory of 3424	4192	b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe	All2Chat.exe
PID 3424 wrote to memory of 3704	3424	All2Chat.exe	netsh.exe
PID 3424 wrote to memory of 3704	3424	All2Chat.exe	netsh.exe
PID 3424 wrote to memory of 3704	3424	All2Chat.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe
"C:\Users\Admin\AppData\Local\Temp\b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Windows\All2Chat.exe
  "C:\Windows\All2Chat.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3424
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\All2Chat.exe" "All2Chat.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3704

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\All2Chat.exe

Filesize
23KB

MD5
67acdbca7c72d3969a549c414d18d630

SHA1
28bb308476aa7b3f6ac8d5299a0e70bcb8b5dcfc

SHA256
b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9

SHA512
5e284da79589178d6e62c2863e611cb8ac6b4bde653613bf5f227a5f9a59e29dc4c4fe9bc3a438ed4580538bda0d768a66e048f3bd4b6577bc79ad6472e328a7

Download Submit
C:\Windows\All2Chat.exe

Filesize
23KB

MD5
67acdbca7c72d3969a549c414d18d630

SHA1
28bb308476aa7b3f6ac8d5299a0e70bcb8b5dcfc

SHA256
b46fc12074f307eab9675a25fb781fbe401425a8dd57293b49e983ad94424ba9

SHA512
5e284da79589178d6e62c2863e611cb8ac6b4bde653613bf5f227a5f9a59e29dc4c4fe9bc3a438ed4580538bda0d768a66e048f3bd4b6577bc79ad6472e328a7

Download Submit
memory/3424-133-0x0000000000000000-mapping.dmp

Download
memory/3424-137-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3424-139-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3704-138-0x0000000000000000-mapping.dmp

Download
memory/4192-132-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/4192-136-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads