njrat | afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d

General

Target

afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe
Size

145KB
MD5

7afa4aaa5a91b205c95473889efa938f
SHA1

cc02d61e647552800ad670ec90d174a9942f0860
SHA256

afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d
SHA512

4e1c3c38383bc19bceed0b033f541ce6573e55cfc4dd2e5081030d25a8a0ed8150622eb8cf1837f095c09b3a0c3916e76842ee6ad6aa1299bcf9d04f04b6a43e
SSDEEP

3072:IJMTHqUmzLu4880icz8VMt5cRDmNlQwKOzoaqTmY6AvL:YMuUWLj88mz8MtSGRxwy

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:

server.exe

pid process

3548 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1892 netsh.exe

pid	process
3548	server.exe

pid	process
1892	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:

afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exeserver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iil = "C:\\Users\\Admin\\AppData\\Local\\Server.exe"	afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iil = "C:\\Users\\Admin\\AppData\\Local\\Server.exe"	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77bc796c01cb77ae39dfb6a812a6eede = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\77bc796c01cb77ae39dfb6a812a6eede = "\"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 33 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe
Token: 33	3548	server.exe
Token: SeIncBasePriorityPrivilege	3548	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exeserver.exe

description	pid	process	target process
PID 4804 wrote to memory of 3548	4804	afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe	server.exe
PID 4804 wrote to memory of 3548	4804	afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe	server.exe
PID 4804 wrote to memory of 3548	4804	afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe	server.exe
PID 3548 wrote to memory of 1892	3548	server.exe	netsh.exe
PID 3548 wrote to memory of 1892	3548	server.exe	netsh.exe
PID 3548 wrote to memory of 1892	3548	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe
"C:\Users\Admin\AppData\Local\Temp\afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3548
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1892

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
145KB

MD5
7afa4aaa5a91b205c95473889efa938f

SHA1
cc02d61e647552800ad670ec90d174a9942f0860

SHA256
afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d

SHA512
4e1c3c38383bc19bceed0b033f541ce6573e55cfc4dd2e5081030d25a8a0ed8150622eb8cf1837f095c09b3a0c3916e76842ee6ad6aa1299bcf9d04f04b6a43e

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

Filesize
145KB

MD5
7afa4aaa5a91b205c95473889efa938f

SHA1
cc02d61e647552800ad670ec90d174a9942f0860

SHA256
afa9db006091e98d6791d20c5cec1d0dd86e16d228d9dbd160809f605a906a1d

SHA512
4e1c3c38383bc19bceed0b033f541ce6573e55cfc4dd2e5081030d25a8a0ed8150622eb8cf1837f095c09b3a0c3916e76842ee6ad6aa1299bcf9d04f04b6a43e

Download Submit
memory/1892-138-0x0000000000000000-mapping.dmp

Download
memory/3548-133-0x0000000000000000-mapping.dmp

Download
memory/3548-137-0x0000000074940000-0x0000000074EF1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-139-0x0000000074940000-0x0000000074EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4804-132-0x0000000074940000-0x0000000074EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4804-136-0x0000000074940000-0x0000000074EF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads