njrat | ded328da0fb7e26887ca2c85e342223b9c7c5eae47959601c7dc0a3dc314938b

General

Target

eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe
Size

123KB
MD5

eade534945eceadfc259a4757b04eea8
SHA1

4ae86826b1e4550b606de12adefc782f95af67ea
SHA256

ded328da0fb7e26887ca2c85e342223b9c7c5eae47959601c7dc0a3dc314938b
SHA512

88cb1717f4cf1ce722593acb90b0ef9bc3193e56fa22439120b97d497e794ac1079676b79cf359d021de684ad43acf808261c3541aeaea0ca0ebe667ce2b3a90
SSDEEP

3072:WJiw5lLprlEymSEix9HLEN8P2rV8XDc8:WJiALbEy7XEN8P2rwc8

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan upx

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:58157

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
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
1440	netsh.exe

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1100	57yhyh.ExE

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1212-0-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral2/memory/1212-8-0x0000000000400000-0x000000000045E000-memory.dmp	upx

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57yhyh.ExE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE
1100	57yhyh.ExE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	57yhyh.ExE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 3912	1212	eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe	82
PID 1212 wrote to memory of 3912	1212	eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe	82
PID 1212 wrote to memory of 3912	1212	eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe	82
PID 3912 wrote to memory of 1100	3912	wscript.exe	83
PID 3912 wrote to memory of 1100	3912	wscript.exe	83
PID 3912 wrote to memory of 1100	3912	wscript.exe	83
PID 1100 wrote to memory of 1440	1100	57yhyh.ExE	84
PID 1100 wrote to memory of 1440	1100	57yhyh.ExE	84
PID 1100 wrote to memory of 1440	1100	57yhyh.ExE	84

C:\Users\Admin\AppData\Local\Temp\eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eade534945eceadfc259a4757b04eea8_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\9DE6.tmp\server.vbs
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE
    C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1100
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE" "57yhyh.ExE" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1440

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

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\57yhyh.ExE

Filesize
29KB

MD5
8b93be47a5498d6a7c8dfdb24603e1b8

SHA1
f407b3fde2bbbc3faec68197ad9c7d8e70996c5f

SHA256
a50257f1c6ade82544a526e53d85ebe29d1450f74ff5666df477878a8e1d99c1

SHA512
6ff610faebd4b3b2d26c85d396e23c8fcf66d32f7ebfe16da4ce6196cb4ec1cdf1c9a224d174c285c05c97db453d9c9eb098634e4d2695c364043d3b318279ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\9DE6.tmp\server.vbs

Filesize
149KB

MD5
70db9b283b94cdc1fe259e95b744a9c8

SHA1
d370e42862dc0cfafa642591144fa58b718144ed

SHA256
efef69ca7d0226e9ecdb72d5f66c2b7da9e5202b94aab790176695e221220a57

SHA512
77125107f7a0805cf44182823d7b8b88ec272f977a66a579d542d961cdbbdcff59af3a87a1c6a1da897febbcdcb12a027b459c2f4eba358097f59fad0f76be5f

Download Submit
memory/1100-9-0x00000000749A2000-0x00000000749A3000-memory.dmp

Filesize
4KB

Download
memory/1100-10-0x00000000749A0000-0x0000000074F51000-memory.dmp

Filesize
5.7MB

Download
memory/1100-11-0x00000000749A0000-0x0000000074F51000-memory.dmp

Filesize
5.7MB

Download
memory/1100-12-0x00000000749A2000-0x00000000749A3000-memory.dmp

Filesize
4KB

Download
memory/1100-13-0x00000000749A0000-0x0000000074F51000-memory.dmp

Filesize
5.7MB

Download
memory/1100-14-0x00000000749A0000-0x0000000074F51000-memory.dmp

Filesize
5.7MB

Download
memory/1212-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1212-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads