8d321c9812c60b1b23a5103e408031bd856b78cd9c3bca192c7cc8dd8251e9f4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 05:32

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General

Target

Setup1.exe
Size

1.8MB
MD5

20372137cfe498de562cab7deee1f026
SHA1

a91ba14558b220f6a5e4c78750fb4177f3ea98b1
SHA256

e505a4147d30f8ce2bf1061af927e3846d4c62ec9667295dd8cbe1ef7380c399
SHA512

400e882d5248bc912c7f621622d1d739b3a3d030f00bc8e9492b44ceaf58d519c1e267786814a33a639472559e2ee421bc6a64bf1da078899f409353e2b03344
SSDEEP

49152:yaWVPdIGrJE1otVcQNs5BRHYj+B9NWsocT:nzCJIYn6waBG

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

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Setup1.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation 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-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine Setup1.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup1.exe

pid process

1156 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 value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	Setup1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine	Setup1.exe

flow	ioc
11	ip-api.com

pid	process
1156	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup1.exe

pid process

1156 Setup1.exe
1156 Setup1.exe

pid	process
1156	Setup1.exe
1156	Setup1.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Setup1.exe

description	pid	process	target process
PID 1156 wrote to memory of 1844	1156	Setup1.exe	cmd.exe
PID 1156 wrote to memory of 1844	1156	Setup1.exe	cmd.exe
PID 1156 wrote to memory of 1844	1156	Setup1.exe	cmd.exe
PID 1156 wrote to memory of 4000	1156	Setup1.exe	cmd.exe
PID 1156 wrote to memory of 4000	1156	Setup1.exe	cmd.exe
PID 1156 wrote to memory of 4000	1156	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
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\tktvtcn.exe"
2⤵
PID:1844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\uyygbefxmq.exe"
2⤵
PID:4000

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/1156-0-0x0000000000A10000-0x0000000000E6B000-memory.dmp

Filesize
4.4MB

Download
memory/1156-1-0x0000000077B44000-0x0000000077B46000-memory.dmp

Filesize
8KB

Download
memory/1156-2-0x0000000000A11000-0x0000000000A35000-memory.dmp

Filesize
144KB

Download
memory/1156-3-0x0000000000A10000-0x0000000000E6B000-memory.dmp

Filesize
4.4MB

Download
memory/1156-4-0x0000000000A10000-0x0000000000E6B000-memory.dmp

Filesize
4.4MB

Download
memory/1156-5-0x0000000000A10000-0x0000000000E6B000-memory.dmp

Filesize
4.4MB

Download
memory/1156-6-0x0000000000A10000-0x0000000000E6B000-memory.dmp

Filesize
4.4MB

Download
memory/1156-12-0x0000000000A10000-0x0000000000E6B000-memory.dmp

Filesize
4.4MB

Download
memory/1156-13-0x0000000000A11000-0x0000000000A35000-memory.dmp

Filesize
144KB

Download