7190a987c0c22b48a7acd62fb85bc8409d1b79036aaa9b80832ff5cb7c195f53

Analysis

user interaction
yes
max time kernel
54s
max time network
47s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/09/2026, 16:22

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General

Target
agent-45a5.exe
Size 13.6MB
Sample260925-tvalbsfe97
SHA256 7190a987c0c22b48a7acd62fb85bc8409d1b79036aaa9b80832ff5cb7c195f53
MD5 bdb19ef1fc7f9eee86b929c9ea24a6e9
SHA1 1524c43aaccfca21abe3dae77ae2282011a131fe
SHA512 fee6e22f0ae106164172eae27dd6722bb5f937a38ed1bb2eda063471d2c69fb7dab7c7a1df7443d53a8fbb5535e2ff93f9f6e8b2307b1b5a02a733c77e93d99f
SSDEEP 49152:Jwoc+/8+DscSjVsE7XDh8PvDNeNH6ZL+DNnoeAUMJwEAXNSXEMgQK8NUZ4wQ133:JwodkEsB3
TLSH
T18EE61217ACA428F6C06EA231897755527B71BC881F3163DB6E90B2B82F77BC09C75B14
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\VBoxVideo	cbt585jatq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	cbt585jatq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	cbt585jatq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	cbt585jatq.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	cbt585jatq.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	cbt585jatq.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	cbt585jatq.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	cbt585jatq.exe

Executes dropped EXE 1 IoCs

pid	Process
3908	cbt585jatq.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	cbt585jatq.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3908	cbt585jatq.exe
3908	cbt585jatq.exe
3908	cbt585jatq.exe
3908	cbt585jatq.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 3908	4288	agent-45a5.exe	87

C:\Users\Admin\AppData\Local\Temp\agent-45a5.exe
"C:\Users\Admin\AppData\Local\Temp\agent-45a5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Users\Admin\AppData\Local\Temp\w5rxqm6nst88s6\cbt585jatq.exe
  C:\Users\Admin\AppData\Local\Temp\w5rxqm6nst88s6\cbt585jatq.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:3908

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

cbt585jatq.exe

Path C:\Users\Admin\AppData\Local\Temp\w5rxqm6nst88s6\cbt585jatq.exe
Size 8.7MB
SHA256 7d7ef5f33a88eb1076594359a5dff1dc5aab1dd846fef6ff7d3466a7bd8daae4
MD5 e7f4bf38d737732948fe6383120749f0
SHA1 9a5c2b186cf7bcd3bb5c9efc12322f443d5eaf06
SHA512 893cebcd560dab26dc18739bc695d439af2cf6c08c266db1c6fe11e47e7ffe0f2a38aafd2a1fc1735101862f3006a6a8db3f8cf0763e11bbce0d330dd7c58731
SSDEEP 98304:2hCN9XpnKGW0C9E2vtvPLpYqq3QJNt+F7GIl+zbd/ubA:2YlppCuinLp6QrGEzbd/D
TLSH
T10F967B03ECA558E9C4AED23086729552BB71BC490B2123D71FA0FB283F76BD46DB9354
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3908-4-0x00000001D3CA0000-0x00000001D3CAD000-memory.dmp

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memory/3908-14-0x00007FF71E510000-0x00007FF720E25000-memory.dmp

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