7f19b0c0bc1ce4ce7b0bd072527f2feade5809d8de040c01945737534502a4de

Analysis

max time kernel
276s
max time network
156s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 14:59

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General

Target

Loader.exe
Size

13.3MB
MD5

d3567c93fb7a218ad130542ac8b02a76
SHA1

e0f2e65b0eab58da6c26de403933ed6e22c0c364
SHA256

7f19b0c0bc1ce4ce7b0bd072527f2feade5809d8de040c01945737534502a4de
SHA512

a245ff8e8e6843298159ae207866df7f840865f02ac7c813faa9b7a5b1740b2b9bde496e98dc413f12597e96c5c8c62fde4845a774d904eb089070d80498be04
SSDEEP

196608:YTYz2RUiumFCR0F29+AFB1Au21QUhX2nUMhjIhK/gVCPxWrJerBtZEmla:EYz2RR69+an9WaUioVCPoozZN8

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 1 IoCs

description	ioc	Process
File created	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 7 IoCs

description	ioc	Process
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\WF.msc	mmc.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
File opened for modification	C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2859}	Loader.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3000	Loader.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
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
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

Launches sc.exe 4 IoCs

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

pid	Process
1476	sc.exe
2712	sc.exe
2656	sc.exe
2716	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
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe
3000	Loader.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2884	mmc.exe
Token: SeIncBasePriorityPrivilege	2884	mmc.exe
Token: 33	2120	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2120	AUDIODG.EXE
Token: 33	2120	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2120	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2884	mmc.exe
2884	mmc.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2812	3000	Loader.exe	31
PID 3000 wrote to memory of 2812	3000	Loader.exe	31
PID 3000 wrote to memory of 2812	3000	Loader.exe	31
PID 2812 wrote to memory of 2712	2812	cmd.exe	33
PID 2812 wrote to memory of 2712	2812	cmd.exe	33
PID 2812 wrote to memory of 2712	2812	cmd.exe	33
PID 3000 wrote to memory of 2828	3000	Loader.exe	34
PID 3000 wrote to memory of 2828	3000	Loader.exe	34
PID 3000 wrote to memory of 2828	3000	Loader.exe	34
PID 3000 wrote to memory of 2868	3000	Loader.exe	36
PID 3000 wrote to memory of 2868	3000	Loader.exe	36
PID 3000 wrote to memory of 2868	3000	Loader.exe	36
PID 3000 wrote to memory of 2840	3000	Loader.exe	38
PID 3000 wrote to memory of 2840	3000	Loader.exe	38
PID 3000 wrote to memory of 2840	3000	Loader.exe	38
PID 2828 wrote to memory of 2716	2828	cmd.exe	39
PID 2828 wrote to memory of 2716	2828	cmd.exe	39
PID 2828 wrote to memory of 2716	2828	cmd.exe	39
PID 2840 wrote to memory of 2732	2840	cmd.exe	40
PID 2840 wrote to memory of 2732	2840	cmd.exe	40
PID 2840 wrote to memory of 2732	2840	cmd.exe	40
PID 2840 wrote to memory of 2776	2840	cmd.exe	41
PID 2840 wrote to memory of 2776	2840	cmd.exe	41
PID 2840 wrote to memory of 2776	2840	cmd.exe	41
PID 2868 wrote to memory of 2656	2868	cmd.exe	42
PID 2868 wrote to memory of 2656	2868	cmd.exe	42
PID 2868 wrote to memory of 2656	2868	cmd.exe	42
PID 2840 wrote to memory of 2576	2840	cmd.exe	43
PID 2840 wrote to memory of 2576	2840	cmd.exe	43
PID 2840 wrote to memory of 2576	2840	cmd.exe	43
PID 3000 wrote to memory of 2612	3000	Loader.exe	44
PID 3000 wrote to memory of 2612	3000	Loader.exe	44
PID 3000 wrote to memory of 2612	3000	Loader.exe	44
PID 2612 wrote to memory of 1476	2612	cmd.exe	46
PID 2612 wrote to memory of 1476	2612	cmd.exe	46
PID 2612 wrote to memory of 1476	2612	cmd.exe	46
PID 3000 wrote to memory of 2604	3000	Loader.exe	47
PID 3000 wrote to memory of 2604	3000	Loader.exe	47
PID 3000 wrote to memory of 2604	3000	Loader.exe	47
PID 3000 wrote to memory of 332	3000	Loader.exe	48
PID 3000 wrote to memory of 332	3000	Loader.exe	48
PID 3000 wrote to memory of 332	3000	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:3000
- 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:2812
- - C:\Windows\system32\sc.exe
    sc create windowsproc type=kernel binpath=C:\Windows\System32\drivers\winhb.sys
    3⤵
    - Launches sc.exe
    PID:2712
- 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:2828
- - C:\Windows\system32\sc.exe
    sc create windowsproc type=kernel binpath=C:\Windows\System32\drivers\winhb.sys
    3⤵
    - Launches sc.exe
    PID:2716
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C sc start windowsproc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\system32\sc.exe
    sc start windowsproc
    3⤵
    - Launches sc.exe
    PID:2656
- 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:2840
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader.exe" MD5
    3⤵
    PID:2732
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:2776
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:2576
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C sc start windowsproc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\system32\sc.exe
    sc start windowsproc
    3⤵
    - Launches sc.exe
    PID:1476
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2604
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:332

C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" "C:\Windows\system32\WF.msc"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2884

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1156

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x590
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2120

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

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Downloads

memory/2884-10-0x0000000002E00000-0x0000000002E1E000-memory.dmp

Filesize
120KB

Download
memory/2884-11-0x000000001DF60000-0x000000001E438000-memory.dmp

Filesize
4.8MB

Download
memory/3000-0-0x0000000140000000-0x0000000141E1B000-memory.dmp

Filesize
30.1MB

Download
memory/3000-1-0x0000000077250000-0x0000000077252000-memory.dmp

Filesize
8KB

Download
memory/3000-2-0x0000000140000000-0x0000000141E1B000-memory.dmp

Filesize
30.1MB

Download
memory/3000-4-0x0000000140000000-0x0000000141E1B000-memory.dmp

Filesize
30.1MB

Download
memory/3000-3-0x0000000140000000-0x0000000141E1B000-memory.dmp

Filesize
30.1MB

Download
memory/3000-9-0x0000000140000000-0x0000000141E1B000-memory.dmp

Filesize
30.1MB

Download