njrat | bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689

General

Target

e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe
Size

23KB
MD5

e089aff85d76e68515a5dd65180364af
SHA1

a7cf5bbda13cc2bd75f200ed82620cccc0c78a13
SHA256

bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
SHA512

593be830ee7122c93ea2e4dbcca0181413e1b2455ca4fe0ce66ef42997351380b8d2c9c3fce184d04e1113cf3229372d2da9d6e638c15c7e78234b8de4931991
SSDEEP

384:BpMKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZhX:BCW4V6+yDRpcnui

Score

10^/10

njrat shadow-z discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

SHADOW-Z

C2

steam008.ddns.net:255

Mutex

4719599c6e49aad91cb3f7978e53123b

Attributes

reg_key
4719599c6e49aad91cb3f7978e53123b
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2112	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4719599c6e49aad91cb3f7978e53123b.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4719599c6e49aad91cb3f7978e53123b.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
264	system.exe

Loads dropped DLL 1 IoCs

pid	Process
3052	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\4719599c6e49aad91cb3f7978e53123b = "\"C:\\Users\\Admin\\AppData\\Roaming\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4719599c6e49aad91cb3f7978e53123b = "\"C:\\Users\\Admin\\AppData\\Roaming\\system.exe\" .."	system.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

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	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe
Token: 33	264	system.exe
Token: SeIncBasePriorityPrivilege	264	system.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 264	3052	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	31
PID 3052 wrote to memory of 264	3052	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	31
PID 3052 wrote to memory of 264	3052	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	31
PID 3052 wrote to memory of 264	3052	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	31
PID 264 wrote to memory of 2112	264	system.exe	32
PID 264 wrote to memory of 2112	264	system.exe	32
PID 264 wrote to memory of 2112	264	system.exe	32
PID 264 wrote to memory of 2112	264	system.exe	32

C:\Users\Admin\AppData\Local\Temp\e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Roaming\system.exe
  "C:\Users\Admin\AppData\Roaming\system.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:264
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2112

Network

DNS

steam008.ddns.net

system.exe

Remote address:

8.8.8.8:53

Request

steam008.ddns.net

IN A

Response

steam008.ddns.net

IN A

165.16.61.130
DNS

steam008.ddns.net

system.exe

Remote address:

8.8.8.8:53

Request

steam008.ddns.net

IN A

Response

steam008.ddns.net

IN A

165.16.61.130

165.16.61.130:255

steam008.ddns.net

system.exe

152 B
3
165.16.61.130:255

steam008.ddns.net

system.exe

152 B
3
165.16.61.130:255

steam008.ddns.net

system.exe

152 B
3
165.16.61.130:255

steam008.ddns.net

system.exe

152 B
3
165.16.61.130:255

steam008.ddns.net

system.exe

152 B
3
165.16.61.130:255

steam008.ddns.net

system.exe

152 B
3

8.8.8.8:53

steam008.ddns.net

dns

system.exe

63 B
79 B
1
1

DNS Request

steam008.ddns.net

DNS Response

165.16.61.130
8.8.8.8:53

steam008.ddns.net

dns

system.exe

63 B
79 B
1
1

DNS Request

steam008.ddns.net

DNS Response

165.16.61.130

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

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

\Users\Admin\AppData\Roaming\system.exe

Filesize
23KB

MD5
e089aff85d76e68515a5dd65180364af

SHA1
a7cf5bbda13cc2bd75f200ed82620cccc0c78a13

SHA256
bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689

SHA512
593be830ee7122c93ea2e4dbcca0181413e1b2455ca4fe0ce66ef42997351380b8d2c9c3fce184d04e1113cf3229372d2da9d6e638c15c7e78234b8de4931991

Download Submit
memory/264-11-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/264-13-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/3052-0-0x0000000074681000-0x0000000074682000-memory.dmp

Filesize
4KB

Download
memory/3052-2-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/3052-1-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/3052-10-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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