njrat | b6c6fb881fb37b9f3b55a0471cb844ad2001ceb8ddd82aebf24074309ccd795d

General

Target

fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe
Size

20.7MB
MD5

1c26f1a4ee0ee14a776f10eff0a7f652
SHA1

776be5867732f91bdf587420e87ea3ccea075dc5
SHA256

fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516
SHA512

5b9675a48ca762262afe062cd46b3d2e996e8d13bd80bb1107b3a33995a217b87ba3ab3a6e82eae3ac36f745ab5f5b5f56e36c01fdf2fd79c6b6f9c52d0eb5a8
SSDEEP

196608:DgRrd4rYBFH179k3qxnWcdoT+u0XRZTdbQguI8gh833xxaMfYky:0FH1yuW/+tdSI8ge3Ly

Score

10^/10

njrat baslayalim discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

baslayalim

C2

91.92.242.187:1339

Mutex

46f87cb2b7a37b42307390e98359779e

Attributes

reg_key
46f87cb2b7a37b42307390e98359779e
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
2404	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
2776	WinUpdate.exe
2972	cheats.exe
2812	svchosts.exe
2592	WinUpdate.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	WinUpdate.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\46f87cb2b7a37b42307390e98359779e = "\"C:\\Users\\Admin\\WinUpdate.exe\" .."	WinUpdate.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\46f87cb2b7a37b42307390e98359779e = "\"C:\\Users\\Admin\\WinUpdate.exe\" .."	WinUpdate.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 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	svchosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cheats.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe
2592	WinUpdate.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	svchosts.exe
Token: SeDebugPrivilege	2592	WinUpdate.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2776	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	30
PID 2232 wrote to memory of 2972	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	31
PID 2232 wrote to memory of 2972	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	31
PID 2232 wrote to memory of 2972	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	31
PID 2232 wrote to memory of 2972	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	31
PID 2232 wrote to memory of 2812	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	33
PID 2232 wrote to memory of 2812	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	33
PID 2232 wrote to memory of 2812	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	33
PID 2232 wrote to memory of 2812	2232	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	33
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2776 wrote to memory of 2592	2776	WinUpdate.exe	34
PID 2592 wrote to memory of 2404	2592	WinUpdate.exe	35
PID 2592 wrote to memory of 2404	2592	WinUpdate.exe	35
PID 2592 wrote to memory of 2404	2592	WinUpdate.exe	35
PID 2592 wrote to memory of 2404	2592	WinUpdate.exe	35

C:\Users\Admin\AppData\Local\Temp\fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe
"C:\Users\Admin\AppData\Local\Temp\fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe
  "C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Users\Admin\WinUpdate.exe
    "C:\Users\Admin\WinUpdate.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\WinUpdate.exe" "WinUpdate.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2404
- C:\Users\Admin\AppData\Local\Temp\cheats.exe
  "C:\Users\Admin\AppData\Local\Temp\cheats.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Users\Admin\AppData\Local\Temp\svchosts.exe
  "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2812

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

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\WinUpdate.exe

Filesize
29KB

MD5
accc6c2e2e1e5878ecc63f0b09ae9a5b

SHA1
617ad738c22ba7d4fdda56d5eec25bf15d8a1035

SHA256
e67250c52276f7b5c9df01af7fd73ca3fe8ccf74c48c6fdc264071607f289009

SHA512
e2bf7dbad9e394ac891d51f7d355688d61e14a5b343b2796bb0f18027935aa1d2fb46829e10330148f97f626fed3c105471b95c13c1af94ee2fce61e5172fb95

Download Submit
C:\Users\Admin\AppData\Local\Temp\cheats.exe

Filesize
8KB

MD5
ce084cc7c8d87ea3533e1ae0323e266b

SHA1
5c2db51a146623f796f6643c4711cb3424ebba1a

SHA256
c26ca77a33824eb2a3ff5fde40f2e2931a5b4eb02ca8fc0cbdca4bc74d65cef5

SHA512
b312e37e65b2c97fa2117e759d6d184bfb139fcb63829fcfdd44e20a42688377ff8a4b4fa0355b5366594220f3874f12922873c7f00ed9a6c1c1a69aaac30d59

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchosts.exe

Filesize
20.6MB

MD5
53eb30021c7269f24a42a7f5502451dc

SHA1
d1fe5103eb56c2f23d0c175249ba413dd8de81fe

SHA256
2f3c009d3aec329dbe8ef333fdd307524b94afc294b23598ba1c57819590d49f

SHA512
407c398c56e20c536570a70a94be385e23d0b8ea9b99f2b8d34dc245ca95af3ef72b363d5e16e5c04615ff01ef23c1a6a8df322ba93088928e5e6b7a96f84d1f

Download Submit
memory/2232-0-0x000007FEF5E23000-0x000007FEF5E24000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x00000000008C0000-0x0000000001D78000-memory.dmp

Filesize
20.7MB

Download
memory/2776-14-0x0000000074901000-0x0000000074902000-memory.dmp

Filesize
4KB

Download
memory/2776-22-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-23-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-32-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-24-0x0000000000EF0000-0x000000000238C000-memory.dmp

Filesize
20.6MB

Download
memory/2972-17-0x0000000000E80000-0x0000000000E88000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads