njrat | be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95

General

Target

be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
Size

1.4MB
MD5

912148d711e9034409cee775b4a3ed4a
SHA1

7fb4201413ca87c17cc896862a4e22e8aef0dda6
SHA256

be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95
SHA512

e82b4f0581864a1c05453e841453143c4a6d1636aca6b04b6fbd30a821667a8067973a778640f889c6000c311c2b10309a1bcfaf11730dc4cb105f728c198313
SSDEEP

24576:yFU+Az4c5BPIPooHdgCLhjPVRa5YAEye7ffWNQdQhP6uQ4vyg2+sQMFaTS:JT4P3HdfLhx45YV7nqQdavQaMQS

Score

10^/10

njrat discovery persistence trojan

Malware Config

Signatures

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

Checks computer location settings 2 TTPs 2 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	Server_protected.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe

Executes dropped EXE 2 IoCs

pid	Process
2816	Server_protected.exe
3324	Dllhost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
2816	Server_protected.exe
2816	Server_protected.exe
3324	Dllhost.exe
3324	Dllhost.exe
3324	Dllhost.exe
3324	Dllhost.exe
3324	Dllhost.exe
3324	Dllhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server_protected.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2816	Server_protected.exe
2816	Server_protected.exe
3324	Dllhost.exe
3324	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2816	Server_protected.exe
3324	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	Dllhost.exe
Token: 33	3324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3324	Dllhost.exe
Token: 33	3324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3324	Dllhost.exe
Token: 33	3324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3324	Dllhost.exe
Token: 33	3324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3324	Dllhost.exe
Token: 33	3324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3324	Dllhost.exe
Token: 33	3324	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3324	Dllhost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	Server_protected.exe
3324	Dllhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 2816	3472	be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe	82
PID 3472 wrote to memory of 2816	3472	be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe	82
PID 3472 wrote to memory of 2816	3472	be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe	82
PID 2816 wrote to memory of 3324	2816	Server_protected.exe	84
PID 2816 wrote to memory of 3324	2816	Server_protected.exe	84
PID 2816 wrote to memory of 3324	2816	Server_protected.exe	84

C:\Users\Admin\AppData\Local\Temp\be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
"C:\Users\Admin\AppData\Local\Temp\be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\Server_protected.exe
  "C:\Users\Admin\AppData\Local\Temp\Server_protected.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
    "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3324

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

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

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\Server_protected.exe

Filesize
1.1MB

MD5
8d67939d6dc3b76814097e987d758f17

SHA1
2fb6734a6f6e282d9b427c37d32121ba200cec8a

SHA256
1e1c417f6dcb68c73ccb1bcb969060495bf43159315dd92ece950b06bf2bd808

SHA512
6f960c7a001e6bafa93094c198e9e19b23aabc8133a50b95e9ddabc1577a98aac4871defe6a6544da1e4d79fe1f9f5c8e723d156cf535a29c9f57b102697f9e5

Download Submit
memory/2816-14-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/2816-28-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/2816-11-0x0000000000190000-0x0000000000504000-memory.dmp

Filesize
3.5MB

Download
memory/2816-12-0x00000000054F0000-0x000000000558C000-memory.dmp

Filesize
624KB

Download
memory/2816-13-0x0000000005DC0000-0x0000000006364000-memory.dmp

Filesize
5.6MB

Download
memory/2816-9-0x0000000000190000-0x0000000000504000-memory.dmp

Filesize
3.5MB

Download
memory/2816-15-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/2816-10-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/2816-26-0x0000000000190000-0x0000000000504000-memory.dmp

Filesize
3.5MB

Download
memory/3324-27-0x0000000000E30000-0x00000000011A4000-memory.dmp

Filesize
3.5MB

Download
memory/3324-29-0x0000000000E30000-0x00000000011A4000-memory.dmp

Filesize
3.5MB

Download
memory/3324-30-0x0000000000E30000-0x00000000011A4000-memory.dmp

Filesize
3.5MB

Download
memory/3324-32-0x0000000003B10000-0x0000000003B1A000-memory.dmp

Filesize
40KB

Download
memory/3324-34-0x0000000000E30000-0x00000000011A4000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads