njrat | e839a805feb80d2c56bed12d39f330b97f4f59439de9d71f3d38e0705e81ea2f

General

Target

JaffaCakes118_62b10a3175818431001507c305a49490.exe
Size

65KB
MD5

62b10a3175818431001507c305a49490
SHA1

c0e6189a44e96abd512aec72f0757143101b9e02
SHA256

e839a805feb80d2c56bed12d39f330b97f4f59439de9d71f3d38e0705e81ea2f
SHA512

198f404980199f9378eef40be54181c26f2bad3b19c8de8b73acbc1cafe1fae3bc45b18f65ff992e073365d9c7eb2051d1d4b92d826a57057e5902ba17b262e2
SSDEEP

1536:3r0GczfafmPxS9Cdt9t7+n/GtJ03BB++qhsY:3gGcOKhBt7+n/G43Y5

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ahmedwind.no-ip.org:1177

Mutex

026a497eb8f5870d3236fd34198c3d35

Attributes

reg_key
026a497eb8f5870d3236fd34198c3d35
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
2828	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\026a497eb8f5870d3236fd34198c3d35 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\026a497eb8f5870d3236fd34198c3d35 = "\"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\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	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe
Token: 33	2584	server.exe
Token: SeIncBasePriorityPrivilege	2584	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2584	2536	JaffaCakes118_62b10a3175818431001507c305a49490.exe	30
PID 2536 wrote to memory of 2584	2536	JaffaCakes118_62b10a3175818431001507c305a49490.exe	30
PID 2536 wrote to memory of 2584	2536	JaffaCakes118_62b10a3175818431001507c305a49490.exe	30
PID 2584 wrote to memory of 2828	2584	server.exe	32
PID 2584 wrote to memory of 2828	2584	server.exe	32
PID 2584 wrote to memory of 2828	2584	server.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62b10a3175818431001507c305a49490.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62b10a3175818431001507c305a49490.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\system32\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
    PID:2828

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\server.exe

Filesize
65KB

MD5
62b10a3175818431001507c305a49490

SHA1
c0e6189a44e96abd512aec72f0757143101b9e02

SHA256
e839a805feb80d2c56bed12d39f330b97f4f59439de9d71f3d38e0705e81ea2f

SHA512
198f404980199f9378eef40be54181c26f2bad3b19c8de8b73acbc1cafe1fae3bc45b18f65ff992e073365d9c7eb2051d1d4b92d826a57057e5902ba17b262e2

Download Submit
memory/2536-3-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2536-2-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2536-0-0x000007FEF56B3000-0x000007FEF56B4000-memory.dmp

Filesize
4KB

Download
memory/2536-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2536-5-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/2536-1-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/2536-13-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2584-11-0x0000000001270000-0x0000000001286000-memory.dmp

Filesize
88KB

Download
memory/2584-12-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2584-14-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2584-15-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2584-16-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads