njrat | ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa

General

Target

ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe
Size

31KB
MD5

60232e8e9414a762af4d531c56b9d78c
SHA1

97d847407f714277587daa41dd13dbc6bda9556f
SHA256

ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa
SHA512

ce2c7f99acf1ba84d48adc1c3f3eb171c44262ecf0d3fde3617d3db58aac6817fc51e21880ff013905044cc6775e078d99d02b1527163db1cebefeec1540596d
SSDEEP

768:YZ7nMsanzR+2cqEDveyBKh0p29SgRXwy:W7nSQtD7KhG29jXw

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

srsrytop52.no-ip.org:1177

Mutex

b5e1a09cd48d2dc8fb55d831499d952b

Attributes

reg_key
b5e1a09cd48d2dc8fb55d831499d952b
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
656	sdfdms.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1880	netsh.exe

Loads dropped DLL 1 IoCs

pid	Process
1952	ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\b5e1a09cd48d2dc8fb55d831499d952b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sdfdms.exe\" .."	sdfdms.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b5e1a09cd48d2dc8fb55d831499d952b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sdfdms.exe\" .."	sdfdms.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe
656	sdfdms.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	656	sdfdms.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 656	1952	ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe	28
PID 1952 wrote to memory of 656	1952	ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe	28
PID 1952 wrote to memory of 656	1952	ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe	28
PID 1952 wrote to memory of 656	1952	ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe	28
PID 656 wrote to memory of 1880	656	sdfdms.exe	29
PID 656 wrote to memory of 1880	656	sdfdms.exe	29
PID 656 wrote to memory of 1880	656	sdfdms.exe	29
PID 656 wrote to memory of 1880	656	sdfdms.exe	29

C:\Users\Admin\AppData\Local\Temp\ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe
"C:\Users\Admin\AppData\Local\Temp\ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\AppData\Local\Temp\sdfdms.exe
  "C:\Users\Admin\AppData\Local\Temp\sdfdms.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:656
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sdfdms.exe" "sdfdms.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
60232e8e9414a762af4d531c56b9d78c

SHA1
97d847407f714277587daa41dd13dbc6bda9556f

SHA256
ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa

SHA512
ce2c7f99acf1ba84d48adc1c3f3eb171c44262ecf0d3fde3617d3db58aac6817fc51e21880ff013905044cc6775e078d99d02b1527163db1cebefeec1540596d

Download Submit
C:\Users\Admin\AppData\Local\Temp\sdfdms.exe

Filesize
31KB

MD5
60232e8e9414a762af4d531c56b9d78c

SHA1
97d847407f714277587daa41dd13dbc6bda9556f

SHA256
ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa

SHA512
ce2c7f99acf1ba84d48adc1c3f3eb171c44262ecf0d3fde3617d3db58aac6817fc51e21880ff013905044cc6775e078d99d02b1527163db1cebefeec1540596d

Download Submit
\Users\Admin\AppData\Local\Temp\sdfdms.exe

Filesize
31KB

MD5
60232e8e9414a762af4d531c56b9d78c

SHA1
97d847407f714277587daa41dd13dbc6bda9556f

SHA256
ca6b84df7841a08e35869a4cdd96acd30399b03f508d3672b41a13bb396f37aa

SHA512
ce2c7f99acf1ba84d48adc1c3f3eb171c44262ecf0d3fde3617d3db58aac6817fc51e21880ff013905044cc6775e078d99d02b1527163db1cebefeec1540596d

Download Submit
memory/656-57-0x0000000000000000-mapping.dmp

Download
memory/656-63-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/656-65-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-62-0x0000000000000000-mapping.dmp

Download
memory/1952-54-0x0000000076931000-0x0000000076933000-memory.dmp

Filesize
8KB

Download
memory/1952-55-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/1952-61-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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