3d0c53b85d752355b9185c5d43a96dc028f2a56e73fb3358dc6a7f0882329e4e

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13-05-2024 12:11

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General

Target

Setup1.exe
Size

1.9MB
MD5

e79cf3b82c9bc3fd37c54b29d5986c15
SHA1

a96834689e3454ec7c3bee9872da85ddc900bc0d
SHA256

8972be1f2eb134a22c4d46fad916db5b13c5871dc15a7799246542b6de42170f
SHA512

1a4786d5b258e7bf450b66bedd6c63e8cd162570965449c87224f21a4c114cc0ac880b907787cce184e9374caef819685ae7dea7d7a43a200866f73e1d11edc7
SSDEEP

49152:vTSY0rZ3H04kuvjZPvnyyFKAsVsXSU4IKzq/iuN0:bSLl3H0ngrKZVsXmIKpk0

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

Processes:

Setup1.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup1.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

Processes:

Setup1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup1.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

Processes:

Setup1.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine Setup1.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup1.exe

pid process

2924 Setup1.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	Setup1.exe

pid	process
2924	Setup1.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Setup1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Setup1.exe

pid process

2924 Setup1.exe

pid	process
2924	Setup1.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Setup1.exe

description	pid	process	target process
PID 2924 wrote to memory of 2760	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 2760	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 2760	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 2760	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 3028	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 3028	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 3028	2924	Setup1.exe	cmd.exe
PID 2924 wrote to memory of 3028	2924	Setup1.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Setup1.exe
"C:\Users\Admin\AppData\Local\Temp\Setup1.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\vnsrievgotrk.exe"
2⤵
PID:2760

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ymsawtldtf.exe"
2⤵
PID:3028

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2760-21-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2924-0-0x0000000000DB0000-0x000000000123E000-memory.dmp

Filesize
4.6MB

Download
memory/2924-1-0x0000000077DB0000-0x0000000077DB2000-memory.dmp

Filesize
8KB

Download
memory/2924-2-0x0000000000DB1000-0x0000000000DD0000-memory.dmp

Filesize
124KB

Download
memory/2924-3-0x0000000000DB0000-0x000000000123E000-memory.dmp

Filesize
4.6MB

Download
memory/2924-4-0x0000000000DB0000-0x000000000123E000-memory.dmp

Filesize
4.6MB

Download
memory/2924-5-0x0000000000DB0000-0x000000000123E000-memory.dmp

Filesize
4.6MB

Download
memory/2924-20-0x0000000000DB0000-0x000000000123E000-memory.dmp

Filesize
4.6MB

Download
memory/2924-22-0x0000000000DB0000-0x000000000123E000-memory.dmp

Filesize
4.6MB

Download
memory/2924-23-0x0000000000DB1000-0x0000000000DD0000-memory.dmp

Filesize
124KB

Download
memory/3028-35-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download