4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4

Analysis

max time kernel
140s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2022 12:51

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General

Target

4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
Size

5.9MB
MD5

3beb0d24e3206c726b6c20f46cef688e
SHA1

f4dd0f8972f1ab1d9703bc6257480c5b6d0b62f8
SHA256

4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4
SHA512

5a43e7a2c628c5e3973120b64ebe0f18dee6b20ae2c9ac910787bee34babbd95ae39d7180e9b6a6e746d2f24552790bd7022ddf652c0d59d94b720ba1f92e5cd

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:

4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.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:

4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

Loads dropped DLL 3 IoCs

Processes:

4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

pid	process
3856	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
3856	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
3856	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3856-131-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral2/memory/3856-132-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral2/memory/3856-137-0x0000000000400000-0x0000000000A46000-memory.dmp	themida
behavioral2/memory/3856-138-0x0000000000400000-0x0000000000A46000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.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\4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.exe
"C:\Users\Admin\AppData\Local\Temp\4529c2d4d0915e5c32a543aaa81ed2d509eb9d0733e7f0e333a11d461e51ddf4.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:3856

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

C:\Users\Admin\AppData\Local\Temp\nsn8236.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn8236.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsn8236.tmp\xml.dll
Filesize
1.4MB

MD5
85f405dab2caaa99397a41815bc06548

SHA1
8550988ea5e2587cb372e604e9223e99a72b1920

SHA256
2f2dfa16a8d97beb6d97afdc442f055848d5532313e561ae7870287082eb2957

SHA512
dbc2436e49a6a8ffc5d8c16d5c9182c6e4a81c7da63be95615781344819cafebbfab423c7b25905792e05996dcc1dbc7ccf155daa33b353b41894d8428dcafde

Download Submit
memory/3856-131-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/3856-132-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/3856-136-0x0000000003881000-0x0000000003885000-memory.dmp

Filesize
16KB

Download
memory/3856-137-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download
memory/3856-138-0x0000000000400000-0x0000000000A46000-memory.dmp

Filesize
6.3MB

Download