njrat | a5d0c41be8101d26ada31b8fbaf3527c726ae65fc65f703d59c15c2426dc3698

General

Target

JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe
Size

95KB
MD5

35a6a33753c12a8813dc8363658cd560
SHA1

b8c83cd1253db8c2a193914c4f25c81e9ce9de00
SHA256

a5d0c41be8101d26ada31b8fbaf3527c726ae65fc65f703d59c15c2426dc3698
SHA512

734964d9be9c564b2af16a0f8a26eb72ffdb75fbe8511b6ad7a4be8545f5ae10c58690f09fe661be7f2b42d71cb22265b892f33344703b81293ba6a07c062dfe
SSDEEP

1536:8+ZQMGdeUwljEoKayOxdcJx7OXMHwhkVfjobkZKQ5x1AkSpoHHNLHieBb:8+ZQMtU9Jx7OXMHwhkVfjobkZKQ5x1DT

Score

10^/10

njrat scammer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

scammer

C2

oxy01.linkpc.net:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes

reg_key
08f4dc96bbb7af09d1a37fe35c75a42f
splitter
|'|'|

Signatures

Njrat family
njrat
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
2180	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	explorer.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	JaffaCakes118_35a6a33753c12a8813dc8363658cd560.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	JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe
2840	explorer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2840	2912	JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe	28
PID 2912 wrote to memory of 2840	2912	JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe	28
PID 2912 wrote to memory of 2840	2912	JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe	28
PID 2912 wrote to memory of 2840	2912	JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe	28
PID 2840 wrote to memory of 2180	2840	explorer.exe	29
PID 2840 wrote to memory of 2180	2840	explorer.exe	29
PID 2840 wrote to memory of 2180	2840	explorer.exe	29
PID 2840 wrote to memory of 2180	2840	explorer.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35a6a33753c12a8813dc8363658cd560.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\Local\Temp\explorer.exe

Filesize
95KB

MD5
35a6a33753c12a8813dc8363658cd560

SHA1
b8c83cd1253db8c2a193914c4f25c81e9ce9de00

SHA256
a5d0c41be8101d26ada31b8fbaf3527c726ae65fc65f703d59c15c2426dc3698

SHA512
734964d9be9c564b2af16a0f8a26eb72ffdb75fbe8511b6ad7a4be8545f5ae10c58690f09fe661be7f2b42d71cb22265b892f33344703b81293ba6a07c062dfe

Download Submit
memory/2840-13-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-14-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-12-0x0000000000110000-0x0000000000130000-memory.dmp

Filesize
128KB

Download
memory/2840-15-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-16-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2912-1-0x00000000003A0000-0x00000000003C0000-memory.dmp

Filesize
128KB

Download
memory/2912-2-0x00000000001E0000-0x00000000001EE000-memory.dmp

Filesize
56KB

Download
memory/2912-3-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-11-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads