njrat | 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe

Analysis

max time kernel
151s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 01:32

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General

Target

464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Size

3.3MB
MD5

b2adbe5ec5bba599a6de1525757d4305
SHA1

fda30246566cedc7cc7117169155ee3a1b69af7f
SHA256

464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe
SHA512

4e6b2d4bb094f4c500f00bda294a28800debb6573c2115b4eb61e2b6b4abca94854f448913dfbdc666fe6724c01cb237b9e5522a79054ddbc9d2c02da1dc0a88
SSDEEP

98304:MchV+2Z/m9D2D08Iw3QgT+l4NNEfUOq+O3XMifOYje:Xd/m9r8IstNEcOq+OM2OYje

Score

10^/10

njrat hacked discovery evasion persistence themida trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

still-obviously.gl.at.ply.gg:46857

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	attrib.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2108-26-0x0000000000350000-0x0000000000C1A000-memory.dmp	themida
behavioral1/memory/2108-27-0x0000000000350000-0x0000000000C1A000-memory.dmp	themida
behavioral1/files/0x00060000000177df-36.dat	themida

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: 33	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Token: SeIncBasePriorityPrivilege	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2796	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	30
PID 2108 wrote to memory of 2796	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	30
PID 2108 wrote to memory of 2796	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	30
PID 2108 wrote to memory of 2796	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	30
PID 2108 wrote to memory of 2684	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	31
PID 2108 wrote to memory of 2684	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	31
PID 2108 wrote to memory of 2684	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	31
PID 2108 wrote to memory of 2684	2108	464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe	31

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2796	attrib.exe
2684	attrib.exe

C:\Users\Admin\AppData\Local\Temp\464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
"C:\Users\Admin\AppData\Local\Temp\464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2796
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe

Filesize
3.3MB

MD5
b2adbe5ec5bba599a6de1525757d4305

SHA1
fda30246566cedc7cc7117169155ee3a1b69af7f

SHA256
464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe

SHA512
4e6b2d4bb094f4c500f00bda294a28800debb6573c2115b4eb61e2b6b4abca94854f448913dfbdc666fe6724c01cb237b9e5522a79054ddbc9d2c02da1dc0a88

Download Submit
memory/2108-11-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-6-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-7-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-5-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-4-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-9-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-10-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-8-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-16-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-15-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-14-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-23-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-12-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-0-0x0000000000350000-0x0000000000C1A000-memory.dmp

Filesize
8.8MB

Download
memory/2108-3-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-2-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-13-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-22-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-21-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-20-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-19-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-18-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-17-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-26-0x0000000000350000-0x0000000000C1A000-memory.dmp

Filesize
8.8MB

Download
memory/2108-27-0x0000000000350000-0x0000000000C1A000-memory.dmp

Filesize
8.8MB

Download
memory/2108-30-0x0000000000350000-0x0000000000C1A000-memory.dmp

Filesize
8.8MB

Download
memory/2108-31-0x0000000076D64000-0x0000000076D65000-memory.dmp

Filesize
4KB

Download
memory/2108-32-0x0000000076D50000-0x0000000076E60000-memory.dmp

Filesize
1.1MB

Download
memory/2108-1-0x0000000076D64000-0x0000000076D65000-memory.dmp

Filesize
4KB

Download