njrat | c76495023894a45401ea163bde2bc84fb8d980d5863b83b42399a7ad627c0db5

General

Target

ddoser.exe
Size

281KB
MD5

de48356fb8a7fa2570780ae5dbdfdab1
SHA1

47aa1a6f2819d5a7b7c0b33bb80192baf7945e12
SHA256

3ef8d2346a9ef2401693b3333ee0cc9e832d17995d0ff3e91addf540ff7b4331
SHA512

8000cbef63ec9e6cddee5cdfd897080b2c4cf0691ddd965fefdb5b6a4853d17a37a2227ecb58391f96993b05dd49e5094f3a8e2f87fcf7b18daddf34f7f02b86
SSDEEP

6144:oAuR/sh1xjHRonwn6vqCdOiALj1s/jdsG9Z5vZ5vCUC7tz82FyaR:iJsh177nirOketz82

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

helpme.no-ip.org:125

Mutex

d3ebde779cbee84dd0766682e20bc01a

Attributes

reg_key
d3ebde779cbee84dd0766682e20bc01a
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
2028	netsh.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boss = "C:\\Users\\Admin\\AppData\\Roaming\\UZO83PyjT2uQWwbq\\mxeckKWRpdtj.exe"	ddoser.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bossjf = "C:\\Users\\Admin\\AppData\\Roaming\\UZO83PyjT2uQWwbq\\jfuWfsdenzxQ.exe"	ddoser.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3444 set thread context of 372	3444	ddoser.exe	89

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	ddoser.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ddoser.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3444	ddoser.exe
3444	ddoser.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

description	pid	Process
Token: SeDebugPrivilege	3444	ddoser.exe
Token: SeDebugPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe
Token: 33	372	ddoser.exe
Token: SeIncBasePriorityPrivilege	372	ddoser.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 3444 wrote to memory of 372	3444	ddoser.exe	89
PID 372 wrote to memory of 2028	372	ddoser.exe	92
PID 372 wrote to memory of 2028	372	ddoser.exe	92
PID 372 wrote to memory of 2028	372	ddoser.exe	92

C:\Users\Admin\AppData\Local\Temp\ddoser.exe
"C:\Users\Admin\AppData\Local\Temp\ddoser.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\ddoser.exe
  "C:\Users\Admin\AppData\Local\Temp\ddoser.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:372
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ddoser.exe" "ddoser.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2028

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

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_v2.0_32\UsageLogs\ddoser.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
memory/372-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/372-14-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/372-16-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3444-0-0x00000000751D2000-0x00000000751D3000-memory.dmp

Filesize
4KB

Download
memory/3444-1-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3444-2-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3444-5-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3444-6-0x00000000751D2000-0x00000000751D3000-memory.dmp

Filesize
4KB

Download
memory/3444-7-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3444-8-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3444-15-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads