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-1-5-21-4182098368-2521458979-3782681353-1000\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
2728	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4612 set thread context of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96

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
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\CID\{64006400-7500-6F00-4600-2F0071004800}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\CID\{64006400-7500-6F00-4600-2F0071004800}\1 = "YzRg1gYaDpYIKTqefE3wTuYvzIt68Ygl8HEGfQxDwiLZz++Vi6yNVB2N3xS3Ig6wPUhq4pvDU5tytinSTAcDg/TYqceTvj6Vb0SRSk31yhsRJBU1wbBTobOwKjBudlUbQ+pTIlUd0y5DNYDSs3GcGcPqKX51pdmy+bV9sL5DcoQ7M4YAIjsOIUqRlRHrDUIz"	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\CID\{75004600-7300-4B00-3400-490061006700}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\CID	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\CID\{75004600-7300-4B00-3400-490061006700}\1 = "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"	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:\PerfLogs:{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:\PerfLogs:{64006400-7500-6F00-4600-2F0071004800}	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
2728	powershell.exe
2728	powershell.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe
Token: 33	3564	RegAsm.exe
Token: SeIncBasePriorityPrivilege	3564	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 2728	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	93
PID 4612 wrote to memory of 2728	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	93
PID 4612 wrote to memory of 2728	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	93
PID 4612 wrote to memory of 1992	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	95
PID 4612 wrote to memory of 1992	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	95
PID 4612 wrote to memory of 1992	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	95
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96
PID 4612 wrote to memory of 3564	4612	dd7dbdcfa4527f673778e060008e50dd_JaffaCakes118.exe	96

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:4612
- 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:2728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1992
- 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:3564

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3zdrm2rq.igc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2728-45-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/2728-47-0x0000000007080000-0x0000000007116000-memory.dmp

Filesize
600KB

Download
memory/2728-48-0x00000000065C0000-0x00000000065DA000-memory.dmp

Filesize
104KB

Download
memory/2728-46-0x0000000006100000-0x000000000614C000-memory.dmp

Filesize
304KB

Download
memory/2728-25-0x0000000004B10000-0x0000000004B46000-memory.dmp

Filesize
216KB

Download
memory/2728-44-0x0000000005CE0000-0x0000000006034000-memory.dmp

Filesize
3.3MB

Download
memory/2728-49-0x0000000006610000-0x0000000006632000-memory.dmp

Filesize
136KB

Download
memory/2728-39-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/2728-33-0x0000000005930000-0x0000000005952000-memory.dmp

Filesize
136KB

Download
memory/2728-30-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-28-0x0000000005180000-0x00000000057A8000-memory.dmp

Filesize
6.2MB

Download
memory/2728-26-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-52-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3564-27-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/3564-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3564-55-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3564-54-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3564-29-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3564-53-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4612-15-0x0000000006250000-0x000000000631E000-memory.dmp

Filesize
824KB

Download
memory/4612-13-0x0000000006590000-0x0000000006B34000-memory.dmp

Filesize
5.6MB

Download
memory/4612-18-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/4612-17-0x0000000006410000-0x0000000006486000-memory.dmp

Filesize
472KB

Download
memory/4612-16-0x00000000061A0000-0x00000000061AA000-memory.dmp

Filesize
40KB

Download
memory/4612-19-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4612-14-0x00000000060E0000-0x0000000006172000-memory.dmp

Filesize
584KB

Download
memory/4612-32-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4612-4-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/4612-3-0x00000000051C0000-0x0000000005226000-memory.dmp

Filesize
408KB

Download
memory/4612-2-0x0000000005760000-0x0000000005D78000-memory.dmp

Filesize
6.1MB

Download
memory/4612-1-0x0000000000830000-0x00000000008B4000-memory.dmp

Filesize
528KB

Download
memory/4612-20-0x0000000006230000-0x0000000006242000-memory.dmp

Filesize
72KB

Download
memory/4612-0-0x000000007503E000-0x000000007503F000-memory.dmp

Filesize
4KB

Download
memory/4612-21-0x0000000006D60000-0x0000000006D7E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads