njrat | d002e9e989898d0fed0852d7bfc57dbb727702a9c793e26fff012aa6d7076028

General

Target

JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe
Size

23KB
MD5

6cbb3d899778d0097c781b936a82bca0
SHA1

8c1f9e82a448ea33d582dbdd30e0f29707d09a55
SHA256

d002e9e989898d0fed0852d7bfc57dbb727702a9c793e26fff012aa6d7076028
SHA512

22cb862bc429bda32527f14cd9d5751afe193d8449b40a995913b78451367ab57bc83882431a1f409c7fcba9def6feca364a02688dfe8f11eedd9498b04d7151
SSDEEP

384:GDc6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZ3GU:GJe9EJLN/yRpcnuRU

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
3928	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b65c22cdacaef0f66a02d6d75f3125b3.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b65c22cdacaef0f66a02d6d75f3125b3.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2092	svchost.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b65c22cdacaef0f66a02d6d75f3125b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b65c22cdacaef0f66a02d6d75f3125b3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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	JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2092	1068	JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe	83
PID 1068 wrote to memory of 2092	1068	JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe	83
PID 1068 wrote to memory of 2092	1068	JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe	83
PID 2092 wrote to memory of 3928	2092	svchost.exe	93
PID 2092 wrote to memory of 3928	2092	svchost.exe	93
PID 2092 wrote to memory of 3928	2092	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cbb3d899778d0097c781b936a82bca0.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.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:2092
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3928

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\svchost.exe

Filesize
23KB

MD5
6cbb3d899778d0097c781b936a82bca0

SHA1
8c1f9e82a448ea33d582dbdd30e0f29707d09a55

SHA256
d002e9e989898d0fed0852d7bfc57dbb727702a9c793e26fff012aa6d7076028

SHA512
22cb862bc429bda32527f14cd9d5751afe193d8449b40a995913b78451367ab57bc83882431a1f409c7fcba9def6feca364a02688dfe8f11eedd9498b04d7151

Download Submit
memory/1068-0-0x0000000074702000-0x0000000074703000-memory.dmp

Filesize
4KB

Download
memory/1068-1-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/1068-2-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/1068-12-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2092-13-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2092-15-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads