be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2023, 17:58

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General

Target

NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe
Size

5.2MB
MD5

1000a24729fdab7f08266881f2e9ae62
SHA1

3fbf77f07e4cff1d4813ae472960c974063305f3
SHA256

be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7
SHA512

65f5b8a5e861dd7463c915ef50467de20d11cbfc7cc677a0eb1f5a15b954151d87785d911084fe7ded13bd65f6ac7ad9b0e65759e31d7f7b51607304f6b50d40
SSDEEP

98304:S5DU1HPtkjmxiY6OQGWGedbEZf3JCwfU1E/ltY4ExV/ZokAtFjbyrta5UnABUoR:S5uToYjeeZM91E/lS4ExV/Zy7f4ta5h

Score

9^/10

bootkit evasion persistence trojan

Malware Config

Signatures

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__	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.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	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.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	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2316	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2308	2316	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2316	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe
2316	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2316	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe
2316	NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.be56d603a151271cce388a9453cfe6cb6cfa9e36dfa225413fac2e086f39f9f7_JC.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 1060
  2⤵
  - Program crash
  PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2316 -ip 2316
1⤵
PID:4304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2316-0-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2316-1-0x00000000770F4000-0x00000000770F6000-memory.dmp

Filesize
8KB

Download
memory/2316-3-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2316-4-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2316-5-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2316-6-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2316-7-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download