8646d12ad525262b59762afac1e66d2b145b88575ab6c2c3c82f0dd85fa99a83

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2022 19:20

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General

Target

Setup_3.exe
Size

386.2MB
MD5

a8b08bd8aeed8e21b5980c2a8f68a73a
SHA1

284096cc1f85ec1c6bc96afde0b6a200124b2b19
SHA256

8646d12ad525262b59762afac1e66d2b145b88575ab6c2c3c82f0dd85fa99a83
SHA512

feb882a018d8364be6d26f69024f7279b7a72de80f1e9f76d9a20d67a04731d15aa1247ee43c9e4f4ef02c0af3253de6c00a76e025e8668cc09f88fa32eb4574

Score

9^/10

discovery evasion spyware stealer themida trojan

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:

Setup_3.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup_3.exe
Downloads MZ/PE file

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup_3.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_3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup_3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup_3.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:

Setup_3.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation Setup_3.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation	Setup_3.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2268-132-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-134-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-139-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-140-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-141-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-142-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-143-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-145-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-165-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-166-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida
behavioral2/memory/2268-169-0x0000000000E10000-0x0000000001B90000-memory.dmp	themida

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Setup_3.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup_3.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup_3.exe

pid process

2268 Setup_3.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup_3.exe

pid	process
2268	Setup_3.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:

Setup_3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup_3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup_3.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2068 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3112 taskkill.exe

pid	process
2068	timeout.exe

pid	process
3112	taskkill.exe

Modifies registry class 2 IoCs

Processes:

Setup_3.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000_Classes\Local Settings	Setup_3.exe
Key created	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Setup_3.exe

pid process

2268 Setup_3.exe
2268 Setup_3.exe
2268 Setup_3.exe
2268 Setup_3.exe
2268 Setup_3.exe
2268 Setup_3.exe
2268 Setup_3.exe
2268 Setup_3.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3112 taskkill.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

3692 OpenWith.exe

pid	process
2268	Setup_3.exe
2268	Setup_3.exe
2268	Setup_3.exe
2268	Setup_3.exe
2268	Setup_3.exe
2268	Setup_3.exe
2268	Setup_3.exe
2268	Setup_3.exe

description	pid	process
Token: SeDebugPrivilege	3112	taskkill.exe

pid	process
3692	OpenWith.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Setup_3.execmd.exe

description	pid	process	target process
PID 2268 wrote to memory of 1260	2268	Setup_3.exe	cmd.exe
PID 2268 wrote to memory of 1260	2268	Setup_3.exe	cmd.exe
PID 2268 wrote to memory of 1260	2268	Setup_3.exe	cmd.exe
PID 1260 wrote to memory of 3112	1260	cmd.exe	taskkill.exe
PID 1260 wrote to memory of 3112	1260	cmd.exe	taskkill.exe
PID 1260 wrote to memory of 3112	1260	cmd.exe	taskkill.exe
PID 1260 wrote to memory of 2068	1260	cmd.exe	timeout.exe
PID 1260 wrote to memory of 2068	1260	cmd.exe	timeout.exe
PID 1260 wrote to memory of 2068	1260	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Setup_3.exe
"C:\Users\Admin\AppData\Local\Temp\Setup_3.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2268

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im Setup_3.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup_3.exe" & del C:\ProgramData\*.dll & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1260

C:\Windows\SysWOW64\taskkill.exe
taskkill /im Setup_3.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3112

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:2068

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3692

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1260-168-0x0000000000000000-mapping.dmp

Download
memory/2068-172-0x0000000000000000-mapping.dmp

Download
memory/2268-145-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-146-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2268-141-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-142-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-143-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-144-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/2268-132-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-140-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-165-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-166-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-167-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/2268-139-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-169-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-134-0x0000000000E10000-0x0000000001B90000-memory.dmp

Filesize
13.5MB

Download
memory/2268-171-0x0000000077380000-0x0000000077523000-memory.dmp

Filesize
1.6MB

Download
memory/3112-170-0x0000000000000000-mapping.dmp

Download