njrat | 8b1df0d122c60401912e479f60afe89ff8e322da11966a79c8372be265f96599

General

Target

b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe
Size

288KB
MD5

ca156366c023c64cb0a2074a57b8fa26
SHA1

21736f34aae1c70916e9e6ca090e0f0f4b592b6b
SHA256

b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9
SHA512

1588694779bafa6c59c010bf8593db765a6b54a16f4bf21f3a1f33f615d7db6cd7a9ee475f5b6f5eba4dfa096a4f74d3df0fa936f1d4bac9b02d342d2e670764
SSDEEP

6144:M3FuurCMxjsXbTwPSqIZYTq6cL/4t9+mkQ7JQ:LMzPp5Tq/077J

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

Hallaj PRO Rat [Fixed]

Botnet

HacKed

C2

njjar.ddns.net:5552

Mutex

27790dccae06fc74ef2a558bc80087d9

Attributes

reg_key
27790dccae06fc74ef2a558bc80087d9
splitter
boolLove

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe

Executes dropped EXE 1 IoCs

pid	Process
4224	skyeee.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	3004	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	skyeee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe
Token: 33	4224	skyeee.exe
Token: SeIncBasePriorityPrivilege	4224	skyeee.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 4224	3004	b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe	96
PID 3004 wrote to memory of 4224	3004	b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe	96
PID 3004 wrote to memory of 4224	3004	b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe	96

C:\Users\Admin\AppData\Local\Temp\b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe
"C:\Users\Admin\AppData\Local\Temp\b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\skyeee.exe
  "C:\Users\Admin\AppData\Local\Temp\skyeee.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 1748
  2⤵
  - Program crash
  PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3004 -ip 3004
1⤵
PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

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

C:\Users\Admin\AppData\Local\Temp\skyeee.exe

Filesize
288KB

MD5
ca156366c023c64cb0a2074a57b8fa26

SHA1
21736f34aae1c70916e9e6ca090e0f0f4b592b6b

SHA256
b2d8f64d585c4504658a80ef5d76d9cd42206c579d26a3e007bb74cc44b28ce9

SHA512
1588694779bafa6c59c010bf8593db765a6b54a16f4bf21f3a1f33f615d7db6cd7a9ee475f5b6f5eba4dfa096a4f74d3df0fa936f1d4bac9b02d342d2e670764

Download Submit
memory/3004-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/3004-26-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3004-9-0x00000000047E0000-0x000000000480A000-memory.dmp

Filesize
168KB

Download
memory/3004-4-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/3004-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/3004-6-0x0000000005000000-0x0000000005056000-memory.dmp

Filesize
344KB

Download
memory/3004-7-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3004-8-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/3004-3-0x0000000005410000-0x00000000059B4000-memory.dmp

Filesize
5.6MB

Download
memory/3004-2-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/3004-1-0x00000000003F0000-0x0000000000440000-memory.dmp

Filesize
320KB

Download
memory/3004-22-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/3004-24-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4224-30-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4224-25-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4224-27-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4224-28-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4224-29-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4224-23-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download

Analysis

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