njrat | a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 20:45 UTC

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General

Target

a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe
Size

31KB
MD5

a476d8182cef5f482a38e886023bb8df
SHA1

9ef3984819f6696967d36e04ccb6469bef090745
SHA256

a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa
SHA512

bb9944af76d5a4334e941a294bd0934108cfae6e83a4b3ec0cd92da2f059ae5268d930c49781a1996912c8b22ad176344bffa1ecb9a2dd302b8e4a51b46bea44
SSDEEP

768:zDMXZwpJbb2zxxO5oaqHhisfvagQmIDUu0tiicjL:UkKZisrQVkajL

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1828	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\266d34e804b5bdc8c81bfaefe4d0b785.exe	WindowsServices.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\266d34e804b5bdc8c81bfaefe4d0b785.exe	WindowsServices.exe

Executes dropped EXE 1 IoCs

pid	Process
640	WindowsServices.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\266d34e804b5bdc8c81bfaefe4d0b785 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .."	WindowsServices.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\266d34e804b5bdc8c81bfaefe4d0b785 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .."	WindowsServices.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsServices.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe
Token: 33	640	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	640	WindowsServices.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 640	3240	a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe	87
PID 3240 wrote to memory of 640	3240	a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe	87
PID 3240 wrote to memory of 640	3240	a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe	87
PID 640 wrote to memory of 1828	640	WindowsServices.exe	90
PID 640 wrote to memory of 1828	640	WindowsServices.exe	90
PID 640 wrote to memory of 1828	640	WindowsServices.exe	90

C:\Users\Admin\AppData\Local\Temp\a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe
"C:\Users\Admin\AppData\Local\Temp\a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1828

Network

DNS

58.55.71.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

58.55.71.13.in-addr.arpa

IN PTR

Response
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

23.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.159.190.20.in-addr.arpa

IN PTR

Response
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

217.106.137.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.106.137.52.in-addr.arpa

IN PTR

Response
DNS

197.87.175.4.in-addr.arpa

Remote address:

8.8.8.8:53

Request

197.87.175.4.in-addr.arpa

IN PTR

Response
DNS

198.187.3.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

198.187.3.20.in-addr.arpa

IN PTR

Response
DNS

92.12.20.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

92.12.20.2.in-addr.arpa

IN PTR

Response

92.12.20.2.in-addr.arpa

IN PTR

a2-20-12-92deploystaticakamaitechnologiescom
DNS

88.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

88.210.23.2.in-addr.arpa

IN PTR

Response

88.210.23.2.in-addr.arpa

IN PTR

a2-23-210-88deploystaticakamaitechnologiescom
DNS

69.208.201.84.in-addr.arpa

Remote address:

8.8.8.8:53

Request

69.208.201.84.in-addr.arpa

IN PTR

Response

192.168.199.2:6522

WindowsServices.exe

260 B
5
192.168.199.2:6522

WindowsServices.exe

260 B
5
192.168.199.2:6522

WindowsServices.exe

260 B
5
192.168.199.2:6522

WindowsServices.exe

260 B
5
192.168.199.2:6522

WindowsServices.exe

260 B
5
192.168.199.2:6522

WindowsServices.exe

260 B
5

8.8.8.8:53

58.55.71.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

58.55.71.13.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

23.159.190.20.in-addr.arpa

dns

145 B
305 B
2
2

DNS Request

23.159.190.20.in-addr.arpa

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

217.106.137.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

217.106.137.52.in-addr.arpa
8.8.8.8:53

197.87.175.4.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

197.87.175.4.in-addr.arpa
8.8.8.8:53

198.187.3.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

198.187.3.20.in-addr.arpa
8.8.8.8:53

92.12.20.2.in-addr.arpa

dns

69 B
131 B
1
1

DNS Request

92.12.20.2.in-addr.arpa
8.8.8.8:53

88.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

88.210.23.2.in-addr.arpa
8.8.8.8:53

69.208.201.84.in-addr.arpa

dns

72 B
132 B
1
1

DNS Request

69.208.201.84.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
31KB

MD5
a476d8182cef5f482a38e886023bb8df

SHA1
9ef3984819f6696967d36e04ccb6469bef090745

SHA256
a806f7211ce225fce8c1527a0bdbeec0a195b3827475af2cd3cb08aa648ebaaa

SHA512
bb9944af76d5a4334e941a294bd0934108cfae6e83a4b3ec0cd92da2f059ae5268d930c49781a1996912c8b22ad176344bffa1ecb9a2dd302b8e4a51b46bea44

Download Submit
memory/640-14-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/640-15-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/640-13-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/640-17-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/3240-0-0x0000000074E42000-0x0000000074E43000-memory.dmp

Filesize
4KB

Download
memory/3240-1-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/3240-2-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/3240-12-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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