87494e8a2ae9b8f6a3a754cc97b2d2dfeccd664ce5e90eaa45c2d515db94f1e3

Analysis

max time kernel
20s
max time network
21s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 13:39

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General

Target

b957a00c8b360f5ab052318b745d8480N.exe
Size

494KB
MD5

b957a00c8b360f5ab052318b745d8480
SHA1

c25ceb219dfdda37c7785f6ee1f3f8fa3327ec81
SHA256

87494e8a2ae9b8f6a3a754cc97b2d2dfeccd664ce5e90eaa45c2d515db94f1e3
SHA512

bef0eeca1f1317e42e297897b7e0b4263f9623bde6e45a544861ef6ebe5a8b554aa580433ebe30704385356fea4c38a30852566545a4857a8f114c8c32230636
SSDEEP

12288:Q3ma4bE/SPQHqkdTvL7Ff456p9HKuJC71:Q3b4bEiFCVMaX41

Score

9^/10

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__	b957a00c8b360f5ab052318b745d8480N.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	s473.exe

Loads dropped DLL 4 IoCs

pid	Process
2556	b957a00c8b360f5ab052318b745d8480N.exe
2556	b957a00c8b360f5ab052318b745d8480N.exe
2556	b957a00c8b360f5ab052318b745d8480N.exe
2556	b957a00c8b360f5ab052318b745d8480N.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	b957a00c8b360f5ab052318b745d8480N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	b957a00c8b360f5ab052318b745d8480N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2556	b957a00c8b360f5ab052318b745d8480N.exe
2556	b957a00c8b360f5ab052318b745d8480N.exe
1152	s473.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	s473.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1152	s473.exe
1152	s473.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1152	2556	b957a00c8b360f5ab052318b745d8480N.exe	29
PID 2556 wrote to memory of 1152	2556	b957a00c8b360f5ab052318b745d8480N.exe	29
PID 2556 wrote to memory of 1152	2556	b957a00c8b360f5ab052318b745d8480N.exe	29
PID 2556 wrote to memory of 1152	2556	b957a00c8b360f5ab052318b745d8480N.exe	29

C:\Users\Admin\AppData\Local\Temp\b957a00c8b360f5ab052318b745d8480N.exe
"C:\Users\Admin\AppData\Local\Temp\b957a00c8b360f5ab052318b745d8480N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\n473\s473.exe
  "C:\Users\Admin\AppData\Local\Temp\n473\s473.exe" ins.exe /e 11789745 /u 4dc90cd0-7328-42b2-8f65-20295bc06f26 /v "C:\Users\Admin\AppData\Local\Temp\b957a00c8b360f5ab052318b745d8480N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1152

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\n473\s473.exe

Filesize
284KB

MD5
9e24fe7dce5a39ec33319909e3e2e9de

SHA1
492d86466cd12c98803a262672cb5171f341e8d1

SHA256
05cdd536227ac4ebab76770ed3b2bbc364deb8cfdc1f6a6f598ecb86aa3d268f

SHA512
155b353506ef81cf0149178f8dc4b75575dbd0a2d2912038dac1278d8db454fb80edfd84958ebfeb6a3ef9c5de19af1284224bf7bb4af7113c863c3b1be1f4e1

Download Submit
memory/1152-14-0x000007FEF5E7E000-0x000007FEF5E7F000-memory.dmp

Filesize
4KB

Download
memory/1152-15-0x0000000001FC0000-0x0000000001FCA000-memory.dmp

Filesize
40KB

Download
memory/1152-16-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1152-17-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1152-18-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1152-19-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download