njrat | ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1

General

Target

ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe
Size

37KB
MD5

c656f530c130c90a375047f3f501ab03
SHA1

4d3fb02a42eaab3b9e36a144148a1a9ee3ae5efa
SHA256

ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1
SHA512

831000fd3f1ff365507243ceacae40b48d8d0d0dbb46b955a17f2eed8e29c8d30283e3904f3bff11593aa382dc3bfe2cdba5ab4265030ee212f7064ca1223ad6
SSDEEP

384:5sh7qi0hJZtbH9KyM+2ZzmuHtgs2yHFrAF+rMRTyN/0L+EcoinblneHQM3epzXtV:yWJ95M+2Z6uKdylrM+rMRa8Nurft

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

tcp://kiwitech1337-20411.portmap.host:20411

Mutex

3e667850c59c9299d789f6e186e7293a

Attributes

reg_key
3e667850c59c9299d789f6e186e7293a
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 2184 wrote to memory of 1716	2184	ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe	30
PID 1716 wrote to memory of 2804	1716	rundll32.exe	31
PID 1716 wrote to memory of 2804	1716	rundll32.exe	31
PID 1716 wrote to memory of 2804	1716	rundll32.exe	31
PID 1716 wrote to memory of 2804	1716	rundll32.exe	31

C:\Users\Admin\AppData\Local\Temp\ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe
"C:\Users\Admin\AppData\Local\Temp\ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sasiski
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\sasiski"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sasiski

Filesize
37KB

MD5
c656f530c130c90a375047f3f501ab03

SHA1
4d3fb02a42eaab3b9e36a144148a1a9ee3ae5efa

SHA256
ad43c66111cba44c1841ebc590a1dc4e525ab38d74433dd41c26b178f4b8c2e1

SHA512
831000fd3f1ff365507243ceacae40b48d8d0d0dbb46b955a17f2eed8e29c8d30283e3904f3bff11593aa382dc3bfe2cdba5ab4265030ee212f7064ca1223ad6

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
c2f8290aa9c04c7a7c4473cb11eefa5f

SHA1
95cdc464f57e63fb064468d5a5ea339cd0083edb

SHA256
a12723b3fba5b3bebc5a320f2ad3874e61c2bfc4f0028d839edf64c6e3c7ceb4

SHA512
af438c07db7abbf116587623754bc615e206a5298922a6c30586dd457f4ec00580e0f43514f2dfd0d23ed9140094291576113100a2dc1697fd3e16f910a36b01

Download Submit
memory/2184-0-0x0000000074641000-0x0000000074642000-memory.dmp

Filesize
4KB

Download
memory/2184-1-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-2-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/2184-5-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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