njrat | 6a3cd0efa35f0834f1c0435c1c051da5e128988e08cead8d9c82a57da2bf4c80

General

Target

JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe
Size

111KB
MD5

c48758624af273af2d9876834c31a3d8
SHA1

1a35126b5bbc2b47b9e772eee2969b206c32e5bc
SHA256

6a3cd0efa35f0834f1c0435c1c051da5e128988e08cead8d9c82a57da2bf4c80
SHA512

9b8f8e2d498c28efce4431220a1557e67db02fabf70b4097902ce85e7709af39c0f23d9556256df9b7a46b1f69bc05e9a64c1b2e07a5f2a81b34f14f0aabfc90
SSDEEP

1536:C8OCPjUq4QRwDBWtTcnNzmWb3Aq3Gh5nRdWKA3oM6:C8yq4gwDBWtTcBrbLGmKAYM6

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 4832 set thread context of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82

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	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe
Token: SeRestorePrivilege	2232	dw20.exe
Token: SeBackupPrivilege	2232	dw20.exe
Token: SeBackupPrivilege	2232	dw20.exe
Token: SeBackupPrivilege	2232	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 4832 wrote to memory of 2340	4832	JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe	82
PID 2340 wrote to memory of 2232	2340	vbc.exe	83
PID 2340 wrote to memory of 2232	2340	vbc.exe	83
PID 2340 wrote to memory of 2232	2340	vbc.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c48758624af273af2d9876834c31a3d8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832
- 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:2340
- - 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:2232

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/2340-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2340-5-0x0000000074CE0000-0x0000000075291000-memory.dmp

Filesize
5.7MB

Download
memory/2340-7-0x0000000074CE0000-0x0000000075291000-memory.dmp

Filesize
5.7MB

Download
memory/2340-14-0x0000000000460000-0x0000000000529000-memory.dmp

Filesize
804KB

Download
memory/2340-15-0x0000000074CE0000-0x0000000075291000-memory.dmp

Filesize
5.7MB

Download
memory/4832-0-0x0000000074CE2000-0x0000000074CE3000-memory.dmp

Filesize
4KB

Download
memory/4832-1-0x0000000074CE0000-0x0000000075291000-memory.dmp

Filesize
5.7MB

Download
memory/4832-2-0x0000000074CE0000-0x0000000075291000-memory.dmp

Filesize
5.7MB

Download
memory/4832-6-0x0000000074CE0000-0x0000000075291000-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