njrat | 876d677c4aead0aca3151cca537d1c217ad7a3b7154dab591e116f70392ab60b

General

Target

f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe
Size

73KB
MD5

f7cddeccb3a5fd34659cfaefce6b0516
SHA1

6303bc7f9a158fe4f4aaf561a7ddc752a7e3760d
SHA256

876d677c4aead0aca3151cca537d1c217ad7a3b7154dab591e116f70392ab60b
SHA512

9dcf1c49850db26d7e12d2d44a9f68c3346730f01e93e6b945ad1cc5e9146ec087a018097ac41d968f0357b305d95026b65dc7a42b56465bb96a368d49694597
SSDEEP

1536:ZIrsFsOt693In/1ud9K7rsyz3L9OhG1Z9t:mrsFxt7G9awyz3Lmwt

Score

10^/10

njrat evasion persistence 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
964	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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3492	svchost.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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a474c6d2b75d64b3ed1078b377b83c48 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a474c6d2b75d64b3ed1078b377b83c48 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe
File created	C:\Windows\svchost.exe.tmp	svchost.exe
File opened for modification	C:\Windows\svchost.exe.tmp	svchost.exe
File created	C:\Windows\svchost.exe	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe
File opened for modification	C:\Windows\svchost.exe	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe
3492	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3492	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3492	2988	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe	84
PID 2988 wrote to memory of 3492	2988	f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe	84
PID 3492 wrote to memory of 964	3492	svchost.exe	86
PID 3492 wrote to memory of 964	3492	svchost.exe	86

C:\Users\Admin\AppData\Local\Temp\f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7cddeccb3a5fd34659cfaefce6b0516_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\svchost.exe
  "C:\Windows\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:964

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

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\svchost.exe

Filesize
73KB

MD5
f7cddeccb3a5fd34659cfaefce6b0516

SHA1
6303bc7f9a158fe4f4aaf561a7ddc752a7e3760d

SHA256
876d677c4aead0aca3151cca537d1c217ad7a3b7154dab591e116f70392ab60b

SHA512
9dcf1c49850db26d7e12d2d44a9f68c3346730f01e93e6b945ad1cc5e9146ec087a018097ac41d968f0357b305d95026b65dc7a42b56465bb96a368d49694597

Download Submit
memory/2988-4-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

Filesize
40KB

Download
memory/2988-1-0x0000000000E90000-0x0000000000EA0000-memory.dmp

Filesize
64KB

Download
memory/2988-3-0x0000000000E40000-0x0000000000E4C000-memory.dmp

Filesize
48KB

Download
memory/2988-0-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download
memory/2988-5-0x0000000001010000-0x000000000101E000-memory.dmp

Filesize
56KB

Download
memory/2988-6-0x000000001B720000-0x000000001B7C6000-memory.dmp

Filesize
664KB

Download
memory/2988-2-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download
memory/2988-22-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download
memory/2988-7-0x000000001BCA0000-0x000000001C16E000-memory.dmp

Filesize
4.8MB

Download
memory/3492-23-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download
memory/3492-21-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download
memory/3492-24-0x000000001DFA0000-0x000000001E03C000-memory.dmp

Filesize
624KB

Download
memory/3492-25-0x0000000002FD0000-0x0000000002FD8000-memory.dmp

Filesize
32KB

Download
memory/3492-26-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download
memory/3492-27-0x00007FF9C6C30000-0x00007FF9C75D1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads