njrat | faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7

General

Target

faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe
Size

23KB
MD5

ae2a0f38b0124fcbb145afd67e7c80a6
SHA1

27c1afd988aa70fc401758870f2671d05b34c9dc
SHA256

faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7
SHA512

2f052f0af7da5330f9af452bbd2fd19c3a1908e569f6c66315acebf18b25c2245c5369a07957287fdcfa9914add592cb2af14267f95dc08da81e9c986bb6b8fe
SSDEEP

384:aY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZF5Fy:NL2s+tRyRpcnugU

Score

10^/10

njrat defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3856	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe

Executes dropped EXE 1 IoCs

pid	Process
4376	server.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\992f68be44b96a8497930ac49c005b55 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\992f68be44b96a8497930ac49c005b55 = "\"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).

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	faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe
Token: 33	4376	server.exe
Token: SeIncBasePriorityPrivilege	4376	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 4376	3492	faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe	85
PID 3492 wrote to memory of 4376	3492	faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe	85
PID 3492 wrote to memory of 4376	3492	faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe	85
PID 4376 wrote to memory of 3856	4376	server.exe	89
PID 4376 wrote to memory of 3856	4376	server.exe	89
PID 4376 wrote to memory of 3856	4376	server.exe	89

C:\Users\Admin\AppData\Local\Temp\faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe
"C:\Users\Admin\AppData\Local\Temp\faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3492
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3856

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

Query Registry

1

T1012

System Information Discovery

2

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

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

Filesize
23KB

MD5
ae2a0f38b0124fcbb145afd67e7c80a6

SHA1
27c1afd988aa70fc401758870f2671d05b34c9dc

SHA256
faabf2861026cb9f8df23bef5a560f27bc131c9c5876f186c19062dd10f964e7

SHA512
2f052f0af7da5330f9af452bbd2fd19c3a1908e569f6c66315acebf18b25c2245c5369a07957287fdcfa9914add592cb2af14267f95dc08da81e9c986bb6b8fe

Download Submit
memory/3492-0-0x0000000074852000-0x0000000074853000-memory.dmp

Filesize
4KB

Download
memory/3492-1-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/3492-2-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/3492-14-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4376-13-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4376-15-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4376-12-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4376-16-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4376-17-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads