njrat | 7df2623cbf4a0611576e1f7859899084272d6ff59f67e7a66e1771fcde66bd1c

General

Target

JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Size

171KB
MD5

6daff7065db802cb1e78bbdbe2907d80
SHA1

6532e5cecd2c3606b8dc2be11959cff4dbd5d2c2
SHA256

7df2623cbf4a0611576e1f7859899084272d6ff59f67e7a66e1771fcde66bd1c
SHA512

0349c5d93979cfa24ede4b3bb8ab9bd61d67d868a7cb1d55cbac0ff03a1eecda6d46106848541a26a538faf7a865582470c4d561d8b2c45b8bb761e2a67c3570
SSDEEP

3072:ap6SSbb4HPwwPnetLrlyi2ayjrY/etoOOV402owBqRK6ggkCtF7:h4vwmRD+yhBqRK5Cf

Score

10^/10

njrat zzzau discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ZZZAU

C2

desgarrada1.no-ip.org:1177

Mutex

0da05431f6f5ca78981bce022c11b0b7

Attributes

reg_key
0da05431f6f5ca78981bce022c11b0b7
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
3208	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0da05431f6f5ca78981bce022c11b0b7.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0da05431f6f5ca78981bce022c11b0b7.exe	chrome.exe

Executes dropped EXE 2 IoCs

pid	Process
4692	chrome.exe
3688	chrome.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0da05431f6f5ca78981bce022c11b0b7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0da05431f6f5ca78981bce022c11b0b7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4912 set thread context of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4692 set thread context of 3688	4692	chrome.exe	93

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 5 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	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Token: SeDebugPrivilege	4692	chrome.exe
Token: SeDebugPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe
Token: 33	3688	chrome.exe
Token: SeIncBasePriorityPrivilege	3688	chrome.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 4912 wrote to memory of 2160	4912	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	89
PID 2160 wrote to memory of 4692	2160	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	90
PID 2160 wrote to memory of 4692	2160	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	90
PID 2160 wrote to memory of 4692	2160	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	90
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 4692 wrote to memory of 3688	4692	chrome.exe	93
PID 3688 wrote to memory of 3208	3688	chrome.exe	94
PID 3688 wrote to memory of 3208	3688	chrome.exe	94
PID 3688 wrote to memory of 3208	3688	chrome.exe	94

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Users\Admin\AppData\Local\Temp\chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4692
  - - C:\Users\Admin\AppData\Local\Temp\chrome.exe
      C:\Users\Admin\AppData\Local\Temp\chrome.exe
      4⤵
      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:3688
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:3208

Network

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

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\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe.log

Filesize
1KB

MD5
c9713c2451460e25229fc2c8c29304bd

SHA1
37723f36c129b83ed2cbac2d02cfe0b0dd2b66e3

SHA256
989598abf72767f1004dbaeb72db7166970649c1870f508e90020315ea760528

SHA512
4693b7faa95e828ce64987de95e1a85532958d84051539119f107a56d04cb0248b35ac365d3a2324852e7ec44ed50d4ca0fad16838834b614449076220119b93

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

Filesize
171KB

MD5
6daff7065db802cb1e78bbdbe2907d80

SHA1
6532e5cecd2c3606b8dc2be11959cff4dbd5d2c2

SHA256
7df2623cbf4a0611576e1f7859899084272d6ff59f67e7a66e1771fcde66bd1c

SHA512
0349c5d93979cfa24ede4b3bb8ab9bd61d67d868a7cb1d55cbac0ff03a1eecda6d46106848541a26a538faf7a865582470c4d561d8b2c45b8bb761e2a67c3570

Download Submit
memory/2160-22-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/2160-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2160-9-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/3688-34-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/3688-33-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/3688-32-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/3688-31-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/3688-29-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4692-23-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4692-21-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4692-28-0x0000000075270000-0x0000000075A20000-memory.dmp

Filesize
7.7MB

Download
memory/4912-0-0x000000007527E000-0x000000007527F000-memory.dmp

Filesize
4KB

Download
memory/4912-5-0x000000007527E000-0x000000007527F000-memory.dmp

Filesize
4KB

Download
memory/4912-4-0x0000000005830000-0x00000000058C2000-memory.dmp

Filesize
584KB

Download
memory/4912-3-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/4912-2-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/4912-1-0x0000000000E60000-0x0000000000E88000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads