njrat | 8ec7871142cd60f02367402a1d7b694b19333aa2de99363e7a16eaf57d9f19ee

General

Target

d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe
Size

446KB
MD5

d850d0e29e0595fbbea136211e7c586e
SHA1

8a220fa1a5062d50e981ed7d7c61881276ff0623
SHA256

8ec7871142cd60f02367402a1d7b694b19333aa2de99363e7a16eaf57d9f19ee
SHA512

65e674d58c8ec855cb5531d4a22b1619ba8f6929a5ada99c6ffc879c354735b8c22ec40a274a3af164b55880416c9a270e6d86f702a3f9f9228e1e8bf7a64794
SSDEEP

3072:5Is80+LUxUa8FDSKc45xUh/wKsRNwD0kHRoqVi2rhTJNam5zpP4XqAtIVVtNlNmF:SLUCa8FDbtUhB8wNHVi2dpgaUIVdrjc

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
2420	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2952	smsm.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\89db26157b954669067107473cf475ec = "\"C:\\Users\\Admin\\AppData\\Roaming\\smsm.exe\" .."	smsm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\89db26157b954669067107473cf475ec = "\"C:\\Users\\Admin\\AppData\\Roaming\\smsm.exe\" .."	smsm.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	d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe
Token: 33	2952	smsm.exe
Token: SeIncBasePriorityPrivilege	2952	smsm.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 2952	1124	d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe	91
PID 1124 wrote to memory of 2952	1124	d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe	91
PID 1124 wrote to memory of 2952	1124	d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe	91
PID 2952 wrote to memory of 2420	2952	smsm.exe	95
PID 2952 wrote to memory of 2420	2952	smsm.exe	95
PID 2952 wrote to memory of 2420	2952	smsm.exe	95

C:\Users\Admin\AppData\Local\Temp\d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d850d0e29e0595fbbea136211e7c586e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Roaming\smsm.exe
  "C:\Users\Admin\AppData\Roaming\smsm.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:2952
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smsm.exe" "smsm.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2420

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\Roaming\smsm.exe

Filesize
446KB

MD5
d850d0e29e0595fbbea136211e7c586e

SHA1
8a220fa1a5062d50e981ed7d7c61881276ff0623

SHA256
8ec7871142cd60f02367402a1d7b694b19333aa2de99363e7a16eaf57d9f19ee

SHA512
65e674d58c8ec855cb5531d4a22b1619ba8f6929a5ada99c6ffc879c354735b8c22ec40a274a3af164b55880416c9a270e6d86f702a3f9f9228e1e8bf7a64794

Download Submit
memory/1124-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

Filesize
4KB

Download
memory/1124-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/1124-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/1124-12-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/2952-13-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/2952-14-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download
memory/2952-15-0x0000000074CF0000-0x00000000752A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads