091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d

Analysis

max time kernel
133s
max time network
139s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
02-08-2022 12:51

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General

Target

091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe
Size

5.9MB
MD5

d9491ef83fba3d37ca9ba1bb3c26ef1b
SHA1

163f97449c71fd4f9f5e7a7ed75b34404560525a
SHA256

091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d
SHA512

e09f72328abfea0d7378dac8e0eb05ff95400592d744fb47a8d8a7b58f1705dc15e511cb12dcf6973994c0ddbf5a3bd95ccf619560d1125095ae88180c272748

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:

091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.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:

091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

Loads dropped DLL 2 IoCs

Processes:

091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

pid	process
1108	091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe
1108	091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1108-55-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral1/memory/1108-56-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral1/memory/1108-57-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral1/memory/1108-60-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral1/memory/1108-61-0x0000000000400000-0x0000000000A46000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.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\091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.exe
"C:\Users\Admin\AppData\Local\Temp\091e2f9e98f85a667be7612ababd1627ab4dccd979e0d61e2cd617cae5fed19d.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:1108

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\nst8EBA.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
\Users\Admin\AppData\Local\Temp\nst8EBA.tmp\xml.dll
Filesize
1.4MB

MD5
b4ae4a8e28e7f51cd2f4f7513b9b5a49

SHA1
05d3901ae95363a4c1d3b505c929b068f41132a8

SHA256
bf73bae4f3cee77f6846dc34f0a9e6bbf40b5fcd537b704ef66b85fa83d7e55a

SHA512
0efcfe921a5c754eed1420ab2bb7955060eb7ad3acd771eea46d28ee04c1a014b44cde31bdef67be03c01266348b9ecb6194b22ec66cac1bb6ae39dec5ec1fc4

Download Submit
memory/1108-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1108-55-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/1108-56-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/1108-57-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/1108-60-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/1108-61-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download