a3ab88ddc6326b272cb4c487e470400cd52d9cf9023cfaf690d1bfff5ea5b06c

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 18:05

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General

Target
agent-b206.exe
Size 13.6MB
Sample260925-wpkv8agd28
SHA256 a3ab88ddc6326b272cb4c487e470400cd52d9cf9023cfaf690d1bfff5ea5b06c
MD5 72f202d21cc444c69325eb726205278f
SHA1 de9997ff3bcf31336ef2cf22f230aaaf78088e5f
SHA512 90b7444b632ef65e60d3240fc1932ad12c3eabfd4577928b39089958e5dee7a94737ce876bd76854025cacad0af1de910a5305563d3ac9a0fcf2195bc23a1f3c
SSDEEP 49152:yw3KpH588wczXV3Of1si9oxzwU2kyjcfoasCpni6Qs+sYxkmdsgiqjtD9leACwXD:yw34ZBw2I
TLSH
T177E61207BCA528F6C1AE9231497755527BB1BC881F3163D76A90B2B82F73BD09C36B14
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion

Malware Config

Signatures

Enumerates VirtualBox registry keys 2 TTPs 4 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	tw93pfwivj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	tw93pfwivj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	tw93pfwivj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	tw93pfwivj.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	tw93pfwivj.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	tw93pfwivj.exe

Looks for VMWare services registry key. 1 TTPs 1 IoCs

defense_evasion

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\vmmouse	tw93pfwivj.exe

Checks BIOS information in registry 2 TTPs 1 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	tw93pfwivj.exe

Executes dropped EXE 1 IoCs

pid	Process
3436	tw93pfwivj.exe

Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	tw93pfwivj.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3436	tw93pfwivj.exe
3436	tw93pfwivj.exe
3436	tw93pfwivj.exe
3436	tw93pfwivj.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 3436	4948	agent-b206.exe	91

C:\Users\Admin\AppData\Local\Temp\agent-b206.exe
"C:\Users\Admin\AppData\Local\Temp\agent-b206.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Users\Admin\AppData\Local\Temp\9uoym09k6bxubc\tw93pfwivj.exe
  C:\Users\Admin\AppData\Local\Temp\9uoym09k6bxubc\tw93pfwivj.exe
  2⤵
  - Enumerates VirtualBox registry keys
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Looks for VMWare services registry key.
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  PID:3436

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:2016

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

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

tw93pfwivj.exe

Path C:\Users\Admin\AppData\Local\Temp\9uoym09k6bxubc\tw93pfwivj.exe
Size 8.7MB
SHA256 b70249563bb668d48940341fc8aa226a4a0d03fe75f7c8ab15f4e9e341d9b839
MD5 e132e8414c55e34fc6bab5ccbdcfe8bb
SHA1 27446798529718bfa494c84d3a2b7ef28255a1b6
SHA512 53487b1f69ebbbbea095f03663337e19b54011b38e548eca2e3850ed12359e2e9b45d2b5c54a22ed7995279b9d60a8915cf2872ef3b7c649e54339c716328bc9
SSDEEP 98304:QhCN9XpnKGW0C9EE2iJGSEViIBFobLp9bItUM6Td/ubA:QYlppCuErGSIiIEbLDsqXTd/D
TLSH
T150968B03ECA558E9C4AED23086729552BB71BC490B2123D71FA0FB283F76BD46DB9354
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3436-4-0x00000001D3CA0000-0x00000001D3CAD000-memory.dmp

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memory/3436-14-0x00007FF7176C0000-0x00007FF719FD6000-memory.dmp

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