njrat | ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 07:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe
Size

93KB
MD5

b411c09b425438604412a414b225c03e
SHA1

22eaa702485c0303ff3bde8b74588f22fc541cd3
SHA256

ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442
SHA512

adf8c3cd870ee87ef28f4f71b781536240a4493b4ec80da6a5fd2ca06e863e71733142cc6d010c798fb738211f4b3224253d5e00946e251d58dd11367bb9566b
SSDEEP

1536:HCOs5p8k2HGjTpZ5HoTjEwzGi1dD6DegS:HCSk2HGjtZ5IYi1dkD

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

hakim32.ddns.net:2000

127.0.0.1:58905

Mutex

d7fb8d984dc92aaa2b15379ae6735344

Attributes

reg_key
d7fb8d984dc92aaa2b15379ae6735344
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2676	netsh.exe
2692	netsh.exe
2736	netsh.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d7fb8d984dc92aaa2b15379ae6735344Windows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d7fb8d984dc92aaa2b15379ae6735344Windows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2508	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2296	JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe
2296	JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	server.exe
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe
File opened for modification	F:\autorun.inf	server.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 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\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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 5 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_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe
2508	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2508	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe
Token: 33	2508	server.exe
Token: SeIncBasePriorityPrivilege	2508	server.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2508	2296	JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe	30
PID 2296 wrote to memory of 2508	2296	JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe	30
PID 2296 wrote to memory of 2508	2296	JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe	30
PID 2296 wrote to memory of 2508	2296	JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe	30
PID 2508 wrote to memory of 2676	2508	server.exe	31
PID 2508 wrote to memory of 2676	2508	server.exe	31
PID 2508 wrote to memory of 2676	2508	server.exe	31
PID 2508 wrote to memory of 2676	2508	server.exe	31
PID 2508 wrote to memory of 2692	2508	server.exe	33
PID 2508 wrote to memory of 2692	2508	server.exe	33
PID 2508 wrote to memory of 2692	2508	server.exe	33
PID 2508 wrote to memory of 2692	2508	server.exe	33
PID 2508 wrote to memory of 2736	2508	server.exe	34
PID 2508 wrote to memory of 2736	2508	server.exe	34
PID 2508 wrote to memory of 2736	2508	server.exe	34
PID 2508 wrote to memory of 2736	2508	server.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2508
- - 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:2676
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2692
- - 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:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
5B

MD5
112317d572ce0538d2d1b20d7f32170e

SHA1
c7f3714c4806b907bcff7f79aa1d1c9373b77d1e

SHA256
fd9e9a8be71786826787d6eb9aa28371d09b0515ddf0c19b082fe7bac57a88a9

SHA512
265dbebc83c74dc97770e650580b0321144990d133403bab2bc1de4618cde63dfd4fedfa56b5e4e259b510585db0f7a59042c356356c56bea3ac861d4be5337f

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
93KB

MD5
b411c09b425438604412a414b225c03e

SHA1
22eaa702485c0303ff3bde8b74588f22fc541cd3

SHA256
ed06232e5df3c0577632fdb2ceec8ced1facee18773d73dd1cc228ff00371442

SHA512
adf8c3cd870ee87ef28f4f71b781536240a4493b4ec80da6a5fd2ca06e863e71733142cc6d010c798fb738211f4b3224253d5e00946e251d58dd11367bb9566b

Download Submit
memory/2296-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

Filesize
4KB

Download
memory/2296-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-2-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-14-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2508-15-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2508-16-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2508-17-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2508-35-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download