025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b

Analysis

max time kernel
138s
max time network
143s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
02-08-2022 13:33

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General

Target

025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe
Size

5.7MB
MD5

7454b156d4fd55e6b9474e3dab36ffec
SHA1

276733e38d79f7e235b09428ae77d704757468eb
SHA256

025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b
SHA512

1ca5c1b97c845befa51d3568e772869a0e9d917d560821b7826e00b37f4719a9fcf921631c2a23f04e9d147ce7a665f3f4a48b5c72ed6c18c1fe5df57c3751dc

Score

9^/10

evasion 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:

025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.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:

025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

Loads dropped DLL 2 IoCs

Processes:

025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

pid	process
852	025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe
852	025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/852-55-0x0000000000400000-0x0000000000A14000-memory.dmp	themida
behavioral1/memory/852-56-0x0000000000400000-0x0000000000A14000-memory.dmp	themida
behavioral1/memory/852-57-0x0000000000400000-0x0000000000A14000-memory.dmp	themida
behavioral1/memory/852-60-0x0000000000400000-0x0000000000A14000-memory.dmp	themida
behavioral1/memory/852-61-0x0000000000400000-0x0000000000A14000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe

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

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe
"C:\Users\Admin\AppData\Local\Temp\025a0e46c447aec1e55ba9b149083187817bcd12634028247b7e1e7357f9f79b.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
PID:852

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nst16AE.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
\Users\Admin\AppData\Local\Temp\nst16AE.tmp\xml.dll
Filesize
1.4MB

MD5
f404717db5b9f02bf245a18dec3f6c3f

SHA1
22c7bc9fec52d9200dd13b402e562120653a0b93

SHA256
8a60539ecb38f247981edcf7306c68c305d6d5e7aa3a0a5559af1a1d70eee4ed

SHA512
6ba21d89c7fac635229525b31d949c18382a05b0cb72c5f04e96a0515589c506c689c5d05506f3ba4ff14304ec9a9a2fd6ea492c0e664c2992c5c4ae89a944bd

Download Submit
memory/852-54-0x0000000076021000-0x0000000076023000-memory.dmp

Filesize
8KB

Download
memory/852-55-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/852-56-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/852-57-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/852-60-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/852-61-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download