njrat | 9c806794593cfa49e0aabb944f53927de4e34b581e5d9bec8647e418d3b28307

General

Target

dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Size

495KB
MD5

dd7dbdcfa4527f673778e060008e50dd
SHA1

ac088b0517f68e3976e170c50099e3e8ba689a7d
SHA256

9c806794593cfa49e0aabb944f53927de4e34b581e5d9bec8647e418d3b28307
SHA512

9497a0921ee0a3e072731ac932c37efd57888e2818ac3c1e03d01615396f884acdf71c6e728a2333d1b7fe67feee14ca7369b521f196f105825154867fef3dce
SSDEEP

6144:ZjsDJiFaGYb6lfuNS7ppZFQGWmw/P0H1g0dYT2cPgOILG3rX0BdeoEfti:ZjeUrHfn7pTNWmE70LcBIkIdeR1i

Score

10^/10

njrat discovery execution persistence trojan

Malware Config

Extracted

Family

njrat

C2

190.213.72.103:5005

Mutex

8598e9fde4

Attributes

reg_key
8598e9fde4
splitter
@!#&^%$

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdate = "C:\\Users\\Admin\\AppData\\Roaming\\dlp\\dhl.exe"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2684	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35

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	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\CID\{64006400-7500-6F00-4600-2F0071004800}\1 = "YzRg1gYaDpYIKTqefE3wTuYvzIt68Ygl8HEGfQxDwiLZz++Vi6yNVB2N3xS3Ig6wPUhq4pvDU5tytinSTAcDg/TYqceTvj6Vb0SRSk31yhsRJBU1wbBTobOwKjBudlUbQ+pTIlUd0y5DNYDSs3GcGcPqKX51pdmy+bV9sL5DcoQ7M4YAIjsOIUqRlRHrDUIz"	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\CID\{75004600-7300-4B00-3400-490061006700}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\CID	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\CID\{75004600-7300-4B00-3400-490061006700}\1 = "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"	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\CID\{64006400-7500-6F00-4600-2F0071004800}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe

NTFS ADS 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp:{75004600-7300-4B00-3400-490061006700}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
File created	C:\Users\Admin\Documents\My Music:{75004600-7300-4B00-3400-490061006700}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
File created	C:\MSOCache:{75004600-7300-4B00-3400-490061006700}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\Temp:{64006400-7500-6F00-4600-2F0071004800}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
File created	C:\Users\Admin\Documents\My Music:{64006400-7500-6F00-4600-2F0071004800}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
File created	C:\MSOCache:{64006400-7500-6F00-4600-2F0071004800}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
2684	powershell.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe
Token: 33	2672	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2672	RegAsm.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2684	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2684	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2684	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2684	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2640	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35
PID 2296 wrote to memory of 2672	2296	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'winupdate';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'winupdate' -Value '"C:\Users\Admin\AppData\Roaming\dlp\dhl.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2296-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2296-1-0x0000000001040000-0x00000000010C4000-memory.dmp

Filesize
528KB

Download
memory/2296-7-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-8-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2296-9-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-10-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

Filesize
72KB

Download
memory/2296-28-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2672-27-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads