njrat | 61e71dbee8ede60f76667430bd9d716da701f4a136f972976c756ee899889d95

General

Target

fb26c4493185a4e3e342ba64039230d3_JaffaCakes118.exe
Size

123KB
MD5

fb26c4493185a4e3e342ba64039230d3
SHA1

f3038344bd098aa68cac92b93b31e78252dcb9bb
SHA256

61e71dbee8ede60f76667430bd9d716da701f4a136f972976c756ee899889d95
SHA512

c1c08cfd5398ed109634a236b0325897e671bbba83a4b4a34a764baf192f84a6726271701496522aabeca639d5bd55d2cbd3c4e2a0f1b42798c04be335d31782
SSDEEP

1536:7hYHzqSA2gPf9OIiIotpCbKF2FNtvu4uw:GHzqSA2gPf9OIiIotpCbKF2FNtvu4uw

Score

10^/10

njrat fevereiro2019 evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Fevereiro2019

C2

dconlauch.ddns.net:1177

Mutex

35d1703cd61867afaf567473dc316f87

Attributes

reg_key
35d1703cd61867afaf567473dc316f87
splitter
|'|'|

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
2412	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\35d1703cd61867afaf567473dc316f87.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\35d1703cd61867afaf567473dc316f87.exe	svhost.exe

Executes dropped EXE 1 IoCs

pid	Process
1044	svhost.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\35d1703cd61867afaf567473dc316f87 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\35d1703cd61867afaf567473dc316f87 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.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\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe
1044	svhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	svhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 1044	1172	fb26c4493185a4e3e342ba64039230d3_JaffaCakes118.exe	31
PID 1172 wrote to memory of 1044	1172	fb26c4493185a4e3e342ba64039230d3_JaffaCakes118.exe	31
PID 1172 wrote to memory of 1044	1172	fb26c4493185a4e3e342ba64039230d3_JaffaCakes118.exe	31
PID 1044 wrote to memory of 2412	1044	svhost.exe	32
PID 1044 wrote to memory of 2412	1044	svhost.exe	32
PID 1044 wrote to memory of 2412	1044	svhost.exe	32

C:\Users\Admin\AppData\Local\Temp\fb26c4493185a4e3e342ba64039230d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb26c4493185a4e3e342ba64039230d3_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhost.exe" "svhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2412

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

Replay Monitor

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Downloads

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

Filesize
123KB

MD5
fb26c4493185a4e3e342ba64039230d3

SHA1
f3038344bd098aa68cac92b93b31e78252dcb9bb

SHA256
61e71dbee8ede60f76667430bd9d716da701f4a136f972976c756ee899889d95

SHA512
c1c08cfd5398ed109634a236b0325897e671bbba83a4b4a34a764baf192f84a6726271701496522aabeca639d5bd55d2cbd3c4e2a0f1b42798c04be335d31782

Download Submit
memory/1044-11-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/1044-9-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/1044-13-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/1044-14-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/1172-0-0x000007FEF5CEE000-0x000007FEF5CEF000-memory.dmp

Filesize
4KB

Download
memory/1172-1-0x0000000000270000-0x000000000027E000-memory.dmp

Filesize
56KB

Download
memory/1172-2-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/1172-3-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/1172-10-0x000007FEF5A30000-0x000007FEF63CD000-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