e75ae07c7b4a7e5e5eaaa0121bc9a46cd81297694b54ccf963c655b10ecf9c0b

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 19:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Loader.exe
Size

16.3MB
MD5

d9729d3757c9edd6d37491d1add7bda8
SHA1

a61840c5ef149490b026faf2482fc6bd67c84f5d
SHA256

e75ae07c7b4a7e5e5eaaa0121bc9a46cd81297694b54ccf963c655b10ecf9c0b
SHA512

04f3878927d51ad56e82ec3d3a93554388ac176c7d2cc373f78e06559be8684c7dabcad2a6e4e3a6d378cc9f735bf9dcef6520580114cee838f5714bc3218d60
SSDEEP

393216:gOv5dqEU9B/ZTQLy2n912K8O7myy4QUd9laJ3r:gedszmb4K7myygXlaJ7

Score

9^/10

evasion execution 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__	Loader.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\winhb.sys	Loader.exe
File opened for modification	C:\Windows\System32\drivers\winhb.sys	Loader.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	Loader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Loader.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	Loader.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2859}	Loader.exe
File opened for modification	C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2869}	Loader.exe
File opened for modification	C:\Windows\System32\IME\IMETC\{69CD1F2D-DF68-4E23-9108-1B70783F2879}	Loader.exe
File opened for modification	C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2899}	Loader.exe
File opened for modification	C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2444}	Loader.exe
File opened for modification	C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2879}	Loader.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2668	Loader.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2892}	Loader.exe
File opened for modification	C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2859}	Loader.exe
File opened for modification	C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-UPDATE}	Loader.exe
File opened for modification	C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2893}	Loader.exe

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2692	sc.exe
1628	sc.exe
2928	sc.exe
2648	sc.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe
2668	Loader.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2864	2668	Loader.exe	32
PID 2668 wrote to memory of 2864	2668	Loader.exe	32
PID 2668 wrote to memory of 2864	2668	Loader.exe	32
PID 2668 wrote to memory of 2932	2668	Loader.exe	33
PID 2668 wrote to memory of 2932	2668	Loader.exe	33
PID 2668 wrote to memory of 2932	2668	Loader.exe	33
PID 2668 wrote to memory of 2836	2668	Loader.exe	34
PID 2668 wrote to memory of 2836	2668	Loader.exe	34
PID 2668 wrote to memory of 2836	2668	Loader.exe	34
PID 2836 wrote to memory of 2708	2836	cmd.exe	37
PID 2836 wrote to memory of 2708	2836	cmd.exe	37
PID 2836 wrote to memory of 2708	2836	cmd.exe	37
PID 2836 wrote to memory of 2584	2836	cmd.exe	38
PID 2836 wrote to memory of 2584	2836	cmd.exe	38
PID 2836 wrote to memory of 2584	2836	cmd.exe	38
PID 2836 wrote to memory of 1600	2836	cmd.exe	39
PID 2836 wrote to memory of 1600	2836	cmd.exe	39
PID 2836 wrote to memory of 1600	2836	cmd.exe	39
PID 2864 wrote to memory of 2692	2864	cmd.exe	40
PID 2864 wrote to memory of 2692	2864	cmd.exe	40
PID 2864 wrote to memory of 2692	2864	cmd.exe	40
PID 2932 wrote to memory of 1628	2932	cmd.exe	41
PID 2932 wrote to memory of 1628	2932	cmd.exe	41
PID 2932 wrote to memory of 1628	2932	cmd.exe	41
PID 2668 wrote to memory of 2712	2668	Loader.exe	42
PID 2668 wrote to memory of 2712	2668	Loader.exe	42
PID 2668 wrote to memory of 2712	2668	Loader.exe	42
PID 2712 wrote to memory of 2928	2712	cmd.exe	44
PID 2712 wrote to memory of 2928	2712	cmd.exe	44
PID 2712 wrote to memory of 2928	2712	cmd.exe	44
PID 2668 wrote to memory of 2588	2668	Loader.exe	45
PID 2668 wrote to memory of 2588	2668	Loader.exe	45
PID 2668 wrote to memory of 2588	2668	Loader.exe	45
PID 2588 wrote to memory of 2648	2588	cmd.exe	47
PID 2588 wrote to memory of 2648	2588	cmd.exe	47
PID 2588 wrote to memory of 2648	2588	cmd.exe	47
PID 2668 wrote to memory of 1444	2668	Loader.exe	48
PID 2668 wrote to memory of 1444	2668	Loader.exe	48
PID 2668 wrote to memory of 1444	2668	Loader.exe	48

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Drops file in Drivers directory
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C sc create windowsproc type=kernel binpath=C:\Windows\System32\drivers\winhb.sys
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\system32\sc.exe
    sc create windowsproc type=kernel binpath=C:\Windows\System32\drivers\winhb.sys
    3⤵
    - Launches sc.exe
    PID:2692
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C sc start windowsproc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\system32\sc.exe
    sc start windowsproc
    3⤵
    - Launches sc.exe
    PID:1628
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader.exe" MD5
    3⤵
    PID:2708
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:2584
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:1600
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C sc create windowsproc type=kernel binpath=C:\Windows\System32\drivers\winhb.sys
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\system32\sc.exe
    sc create windowsproc type=kernel binpath=C:\Windows\System32\drivers\winhb.sys
    3⤵
    - Launches sc.exe
    PID:2928
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C sc start windowsproc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\system32\sc.exe
    sc start windowsproc
    3⤵
    - Launches sc.exe
    PID:2648
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

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

Loading Replay Monitor...

Downloads

memory/2668-0-0x0000000140000000-0x00000001424C1000-memory.dmp

Filesize
36.8MB

Download
memory/2668-1-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2668-2-0x0000000140000000-0x00000001424C1000-memory.dmp

Filesize
36.8MB

Download
memory/2668-3-0x0000000140000000-0x00000001424C1000-memory.dmp

Filesize
36.8MB

Download
memory/2668-4-0x0000000140000000-0x00000001424C1000-memory.dmp

Filesize
36.8MB

Download
memory/2668-9-0x0000000140000000-0x00000001424C1000-memory.dmp

Filesize
36.8MB

Download