njrat | d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853

General

Target

d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe
Size

111KB
MD5

a20ba3c8836501dd15c9d97e2ef5da7e
SHA1

5274efafdbd4eb7cc83f07f91121300dd8efb376
SHA256

d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853
SHA512

4646b9eaed101fcb04e8f15f6b776244c2eb0f093de933ce286b24d3a5face49be718356119badeb868045212654c8c5f0b13a377ab2006eb7954a00c5b6e565
SSDEEP

1536:C8OCPjUq4QRwDBWtTcnNzmWb3Aq3Gh5nRdWKA3oM6y:C8yq4gwDBWtTcBrbLGmKAYM6y

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.11.141:5552

Mutex

78aba1c78ff26f1db3f972471aed1aa2

Attributes

reg_key
78aba1c78ff26f1db3f972471aed1aa2
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4996 set thread context of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83

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	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe
Token: SeRestorePrivilege	3876	dw20.exe
Token: SeBackupPrivilege	3876	dw20.exe
Token: SeBackupPrivilege	3876	dw20.exe
Token: SeBackupPrivilege	3876	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 4996 wrote to memory of 436	4996	d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe	83
PID 436 wrote to memory of 3876	436	vbc.exe	84
PID 436 wrote to memory of 3876	436	vbc.exe	84
PID 436 wrote to memory of 3876	436	vbc.exe	84

C:\Users\Admin\AppData\Local\Temp\d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe
"C:\Users\Admin\AppData\Local\Temp\d686eea6799ac67ee8cea974dbd4e905e45ae26c99b26ad5dd9cd7edfffd8853.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:436
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 788
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:3876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

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

memory/436-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/436-6-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/436-13-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4996-0-0x00000000747C2000-0x00000000747C3000-memory.dmp

Filesize
4KB

Download
memory/4996-1-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4996-2-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4996-5-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads