8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71

Analysis

max time kernel
22s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 14:48

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General

Target

8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe
Size

3.8MB
MD5

223eba922c27f7797407e8f2f8619467
SHA1

a431a61e7e1948148cb778d3156a366b7aafeb9d
SHA256

8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71
SHA512

92473c26276c423dce633d54ce6e4b17910d78257e3ae82a37841cbc6dbffe7c86d6acba220f941016575ca8a2cdadc5483531acfd4cd4a5bcf0f46b665de3c6
SSDEEP

98304:RgABnApn1nA8+UX6A2FHAjBYiY6aZn+zcTs:iAZAd1A8+UXzKAY6w+zcTs

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__	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.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	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Wine	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
952	1884	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 952	1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe	28
PID 1884 wrote to memory of 952	1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe	28
PID 1884 wrote to memory of 952	1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe	28
PID 1884 wrote to memory of 952	1884	8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe	28

C:\Users\Admin\AppData\Local\Temp\8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe
"C:\Users\Admin\AppData\Local\Temp\8cb5b0abe8009791bf8969932f607bf84e53eaf9d1fff13a558306e19902ef71.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 424
  2⤵
  - Program crash
  PID:952

Network

MITRE ATT&CK Enterprise v6

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

memory/1884-54-0x0000000000400000-0x0000000000D02000-memory.dmp

Filesize
9.0MB

Download
memory/1884-55-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/1884-57-0x0000000077660000-0x00000000777E0000-memory.dmp

Filesize
1.5MB

Download
memory/1884-58-0x0000000000400000-0x0000000000D02000-memory.dmp

Filesize
9.0MB

Download
memory/1884-59-0x0000000077660000-0x00000000777E0000-memory.dmp

Filesize
1.5MB

Download