njrat | 81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2 | Triage

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Overview

overview

Static

static

81d37764ce...d2.exe

windows7-x64

81d37764ce...d2.exe

windows10-2004-x64

Sharing

General

Target

81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2.exe
Size

771KB
Sample

250116-djl7zsykhz
MD5

beaa68e5cc534b255a5a7f50580fc92a
SHA1

1f0278d90302bd11a53366bdb78fa353b4b1ea58
SHA256

81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2
SHA512

ee4a23a968a461032212dea9d3d7102a948034f9c6e733f83e26a9382cb372cb8d9484c2785b548111440ad86086107b615d209611bc6c4dd135bd87968d77a7
SSDEEP

12288:iMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Us:insJ39LyjbJkQFMhmC+6GD9T

Score

10^/10

njrat xred backdoor discovery macro persistence trojan

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2.exe

Resource

win7-20240903-en

njrat xred backdoor discovery macro persistence trojan

windows7-x64

15 signatures

150 seconds

Behavioral task

behavioral2

Sample

81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2.exe

Resource

win10v2004-20241007-en

njrat xred backdoor discovery persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes

email
xredline1@gmail.com
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

http://xred.site50.net/syn/SUpdate.ini

https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

http://xred.site50.net/syn/Synaptics.rar

https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

http://xred.site50.net/syn/SSLLibrary.dll

Targets

- Target
  
  81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2.exe
- Size
  
  771KB
- MD5
  
  beaa68e5cc534b255a5a7f50580fc92a
- SHA1
  
  1f0278d90302bd11a53366bdb78fa353b4b1ea58
- SHA256
  
  81d37764ce48e1f76d1de50ee831094117ffc239e287e40806801dd0bba097d2
- SHA512
  
  ee4a23a968a461032212dea9d3d7102a948034f9c6e733f83e26a9382cb372cb8d9484c2785b548111440ad86086107b615d209611bc6c4dd135bd87968d77a7
- SSDEEP
  
  12288:iMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Us:insJ39LyjbJkQFMhmC+6GD9T
Score

10^/10

njrat xred backdoor discovery macro persistence trojan
- Njrat family
  njrat
- Xred
  Xred is backdoor written in Delphi.
  backdoor xred
- Xred family
  xred
- njRAT/Bladabindi
  Widely used RAT written in .NET.
  trojan njrat
- Suspicious Office macro
  Office document equipped with macros.
  macro
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

njratxredbackdoordiscoverymacropersistencetrojan

behavioral2

njratxredbackdoordiscoverypersistencetrojan

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