njrat | 7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013

General

Target

7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013.exe
Size

100KB
MD5

1ad9fb5ac8252ec450cb4f70111fb6fe
SHA1

70ac8b252e67f0363c7f64e780018a45cf7d24ed
SHA256

7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013
SHA512

df40c71d839d5b1a73b047d5cad2b3b417e755554ddb8dd5b3ba634f5ea27c1ed9ed05262cde4b63516ed32a94ed1ca129dfdfdc777e4f7e80151c0c5947be19
SSDEEP

1536:JMoIfhO5PNZ4BkSQB68QJRlrNw+ZnIwk0+Be4X2EWpD7oi1VO+/t6Fk:+o2GNZMI8Rl5wyIwk79/sl8Fk

Score

10^/10

njrat victime2014b evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VICTIME2014b

C2

crazymaha.zapto.org:8181

Mutex

73fc908b8a1feca480a20b452ef82fcc

Attributes

reg_key
73fc908b8a1feca480a20b452ef82fcc
splitter
|'|'|

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
2844	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	taskmgr.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\73fc908b8a1feca480a20b452ef82fcc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\taskmgr.exe\" .."	taskmgr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\73fc908b8a1feca480a20b452ef82fcc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\taskmgr.exe\" .."	taskmgr.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe
Token: 33	2388	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2388	taskmgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2388	1632	7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013.exe	31
PID 1632 wrote to memory of 2388	1632	7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013.exe	31
PID 1632 wrote to memory of 2388	1632	7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013.exe	31
PID 2388 wrote to memory of 2844	2388	taskmgr.exe	32
PID 2388 wrote to memory of 2844	2388	taskmgr.exe	32
PID 2388 wrote to memory of 2844	2388	taskmgr.exe	32

C:\Users\Admin\AppData\Local\Temp\7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013.exe
"C:\Users\Admin\AppData\Local\Temp\7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
  "C:\Users\Admin\AppData\Local\Temp\taskmgr.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\taskmgr.exe" "taskmgr.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
100KB

MD5
1ad9fb5ac8252ec450cb4f70111fb6fe

SHA1
70ac8b252e67f0363c7f64e780018a45cf7d24ed

SHA256
7bb924304ad92bca823a2552d44cb54d9c8a4a92dba535d56f715720fcc92013

SHA512
df40c71d839d5b1a73b047d5cad2b3b417e755554ddb8dd5b3ba634f5ea27c1ed9ed05262cde4b63516ed32a94ed1ca129dfdfdc777e4f7e80151c0c5947be19

Download Submit
memory/1632-0-0x000007FEF5EFE000-0x000007FEF5EFF000-memory.dmp

Filesize
4KB

Download
memory/1632-1-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/1632-2-0x000007FEF5C40000-0x000007FEF65DD000-memory.dmp

Filesize
9.6MB

Download
memory/1632-3-0x000007FEF5C40000-0x000007FEF65DD000-memory.dmp

Filesize
9.6MB

Download
memory/1632-12-0x000007FEF5C40000-0x000007FEF65DD000-memory.dmp

Filesize
9.6MB

Download
memory/2388-11-0x000007FEF5C40000-0x000007FEF65DD000-memory.dmp

Filesize
9.6MB

Download
memory/2388-13-0x000007FEF5C40000-0x000007FEF65DD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads