njrat | 3c7d038904d76e14aa882dd82824c8bed89603f36d1ba8421a52a8f852c4bb6b

General

Target

515e10e9b47bac4ec2f8150db332f25e.exe
Size

37KB
MD5

515e10e9b47bac4ec2f8150db332f25e
SHA1

9ad259a0377db6830913a4fdc4cd5cd02516a18e
SHA256

3c7d038904d76e14aa882dd82824c8bed89603f36d1ba8421a52a8f852c4bb6b
SHA512

a1df033b40aba6c154f26c054d6984c6124c0c92c14364c1b5d80428a80cb98e7e9bc709e683f1945ee3262734101092bb6068222893324e24cc89d7c4d7a349
SSDEEP

384:CG+Zxj6ic7ri5Z7JAyk/Y4IvDfZeKQVxrAF+rMRTyN/0L+EcoinblneHQM3epzXQ:T+nHJ7k/Y4IDZbQfrM+rMRa8NuqLht

Score

10^/10

njrat sperma defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

SperMa

C2

nice-otherwise.gl.at.ply.gg:47140

Mutex

613d84b15b02c327602530be53275b66

Attributes

reg_key
613d84b15b02c327602530be53275b66
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2816	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2092	Zalupa.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	515e10e9b47bac4ec2f8150db332f25e.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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	515e10e9b47bac4ec2f8150db332f25e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zalupa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe
Token: 33	2092	Zalupa.exe
Token: SeIncBasePriorityPrivilege	2092	Zalupa.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2092	3008	515e10e9b47bac4ec2f8150db332f25e.exe	30
PID 3008 wrote to memory of 2092	3008	515e10e9b47bac4ec2f8150db332f25e.exe	30
PID 3008 wrote to memory of 2092	3008	515e10e9b47bac4ec2f8150db332f25e.exe	30
PID 3008 wrote to memory of 2092	3008	515e10e9b47bac4ec2f8150db332f25e.exe	30
PID 2092 wrote to memory of 2816	2092	Zalupa.exe	32
PID 2092 wrote to memory of 2816	2092	Zalupa.exe	32
PID 2092 wrote to memory of 2816	2092	Zalupa.exe	32
PID 2092 wrote to memory of 2816	2092	Zalupa.exe	32

C:\Users\Admin\AppData\Local\Temp\515e10e9b47bac4ec2f8150db332f25e.exe
"C:\Users\Admin\AppData\Local\Temp\515e10e9b47bac4ec2f8150db332f25e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\Zalupa.exe
  "C:\Users\Admin\AppData\Local\Temp\Zalupa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Zalupa.exe" "Zalupa.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Zalupa.exe

Filesize
37KB

MD5
515e10e9b47bac4ec2f8150db332f25e

SHA1
9ad259a0377db6830913a4fdc4cd5cd02516a18e

SHA256
3c7d038904d76e14aa882dd82824c8bed89603f36d1ba8421a52a8f852c4bb6b

SHA512
a1df033b40aba6c154f26c054d6984c6124c0c92c14364c1b5d80428a80cb98e7e9bc709e683f1945ee3262734101092bb6068222893324e24cc89d7c4d7a349

Download Submit
memory/2092-10-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-11-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-13-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3008-0-0x0000000074721000-0x0000000074722000-memory.dmp

Filesize
4KB

Download
memory/3008-1-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3008-2-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download
memory/3008-12-0x0000000074720000-0x0000000074CCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads