a7ff068df4e5cb90cfef8c4b5f6d512ca021ae9b71b111e701cfef53e953a960

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 07:25

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General

Target

721839f3b46046e609e0460fc7d66280N.exe
Size

506KB
MD5

721839f3b46046e609e0460fc7d66280
SHA1

be5fd324888881f66a8c22dc91192d2b78f06a16
SHA256

a7ff068df4e5cb90cfef8c4b5f6d512ca021ae9b71b111e701cfef53e953a960
SHA512

5ddf274d2761c7184229a11ffeb4279bef19149a4ae0b9badfd43f87d4947aa730ec83bf72f5feef0e415f28dcac3177a77ec80776c43e3d7e9dfc6785523d9b
SSDEEP

12288:DyQRUAXZNHvLiW4NJz5cY2vklltT1AV0MjoB5W+u:Dy5AXDHvLijd2cllpGV0MC59u

Score

9^/10

discovery evasion

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__	721839f3b46046e609e0460fc7d66280N.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	s5935.exe

Loads dropped DLL 4 IoCs

pid	Process
2348	721839f3b46046e609e0460fc7d66280N.exe
2348	721839f3b46046e609e0460fc7d66280N.exe
2348	721839f3b46046e609e0460fc7d66280N.exe
2348	721839f3b46046e609e0460fc7d66280N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	721839f3b46046e609e0460fc7d66280N.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	721839f3b46046e609e0460fc7d66280N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	721839f3b46046e609e0460fc7d66280N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2348	721839f3b46046e609e0460fc7d66280N.exe
2700	s5935.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	s5935.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2700	s5935.exe
2700	s5935.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2700	2348	721839f3b46046e609e0460fc7d66280N.exe	30
PID 2348 wrote to memory of 2700	2348	721839f3b46046e609e0460fc7d66280N.exe	30
PID 2348 wrote to memory of 2700	2348	721839f3b46046e609e0460fc7d66280N.exe	30
PID 2348 wrote to memory of 2700	2348	721839f3b46046e609e0460fc7d66280N.exe	30

C:\Users\Admin\AppData\Local\Temp\721839f3b46046e609e0460fc7d66280N.exe
"C:\Users\Admin\AppData\Local\Temp\721839f3b46046e609e0460fc7d66280N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\n5935\s5935.exe
  "C:\Users\Admin\AppData\Local\Temp\n5935\s5935.exe" ins.exe /e6126600 /u50d1d9d5-cf90-407c-820a-35e05bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\721839f3b46046e609e0460fc7d66280N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\n5935\s5935.exe

Filesize
275KB

MD5
316287c0010874356127dd8b7bc17896

SHA1
0939ad854954393f052f5ba64b6c4b8e03a8866b

SHA256
69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

SHA512
1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

Download Submit
memory/2700-14-0x000007FEF65CE000-0x000007FEF65CF000-memory.dmp

Filesize
4KB

Download
memory/2700-15-0x00000000002E0000-0x00000000002EA000-memory.dmp

Filesize
40KB

Download
memory/2700-16-0x000007FEF6310000-0x000007FEF6CAD000-memory.dmp

Filesize
9.6MB

Download
memory/2700-17-0x000007FEF6310000-0x000007FEF6CAD000-memory.dmp

Filesize
9.6MB

Download
memory/2700-18-0x000007FEF6310000-0x000007FEF6CAD000-memory.dmp

Filesize
9.6MB

Download