68e34570cef8230d98bfadb2ad0fa1cc56631dd25212c23759d003a93faff3de

Analysis

max time kernel
152s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 16:25

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General

Target

setup.exe
Size

721.0MB
MD5

646f798c1a5eb86782cbbf04cba11e05
SHA1

bd0cb120ac3b85bd1e9dbc72e4a31efe31a92cfb
SHA256

1fe61c0e579f78c18d549c561581ab83cc6927ac18666b96e20f9bb3588ab72e
SHA512

0bea0e8314c44d3dd92aac98ea179b5d32e05d7bdc430a1baf46138de728ecc724baba5fc50ee0261f7023a511ecac8c4add73bd45783f10bba9512eb9b3b1d6
SSDEEP

49152:aWz0ly6XPtviJZlYcUCSWn59QZbuNhCNy5HFFeop4W4H7khMf2jTujMMa:rzT6w3YcVDn5Mu+Ny5+Bkh1wM

Score

10^/10

evasion themida trojan

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

setup.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	setup.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

setup.exe

description ioc process

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

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

setup.exe

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

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4584-0-0x0000000140000000-0x000000014089E000-memory.dmp	themida
behavioral2/memory/4584-12-0x0000000140000000-0x000000014089E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

setup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA setup.exe
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

26 api.myip.com
27 api.myip.com
30 ipinfo.io
31 ipinfo.io

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	setup.exe

flow	ioc
26	api.myip.com
27	api.myip.com
30	ipinfo.io
31	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

setup.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	setup.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	setup.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	setup.exe
File opened for modification	C:\Windows\System32\GroupPolicy	setup.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

setup.exe

pid process

4584 setup.exe

pid	process
4584	setup.exe

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4584

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1320

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

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

Replay Monitor

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Downloads

memory/4584-0-0x0000000140000000-0x000000014089E000-memory.dmp

Filesize
8.6MB

Download
memory/4584-1-0x00007FFDA8284000-0x00007FFDA8285000-memory.dmp

Filesize
4KB

Download
memory/4584-2-0x00007FFDA8220000-0x00007FFDA84E9000-memory.dmp

Filesize
2.8MB

Download
memory/4584-3-0x00007FFDA8220000-0x00007FFDA84E9000-memory.dmp

Filesize
2.8MB

Download
memory/4584-11-0x00007FFDA8220000-0x00007FFDA84E9000-memory.dmp

Filesize
2.8MB

Download
memory/4584-12-0x0000000140000000-0x000000014089E000-memory.dmp

Filesize
8.6MB

Download
memory/4584-15-0x00007FFDA8220000-0x00007FFDA84E9000-memory.dmp

Filesize
2.8MB

Download
memory/4584-14-0x00007FFDA8284000-0x00007FFDA8285000-memory.dmp

Filesize
4KB

Download