82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2022 12:59

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General

Target

82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe
Size

6.2MB
MD5

d4b37d3b00a7cb34817f96979c5b006a
SHA1

7fe5705c2d6459cfae36515363112c9699cc2e50
SHA256

82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043
SHA512

26f55797f13bc90c8ff9f892c918425a820bf273925e73f9188d500658562b67d7eed0c9ea66c7ad7c350c1307153cf8583f1902e126d76892f81a749b5b112e

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:

82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.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:

82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

Loads dropped DLL 3 IoCs

Processes:

82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

pid	process
1464	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe
1464	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe
1464	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1464-132-0x0000000000400000-0x0000000000A87000-memory.dmp	themida
behavioral2/memory/1464-137-0x0000000000400000-0x0000000000A87000-memory.dmp	themida
behavioral2/memory/1464-138-0x0000000000400000-0x0000000000A87000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.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\82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.exe
"C:\Users\Admin\AppData\Local\Temp\82263945bcffc1ef4ce8990f4cb50562c7a413f6a26c3b7e269dc656dfb2c043.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:1464

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\nsbBCE8.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsbBCE8.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsbBCE8.tmp\xml.dll
Filesize
1.5MB

MD5
04c94dd8500d75de4e0af4e014153df8

SHA1
589abd0c6ff7297b57fa61e6b48a16044dd6f26f

SHA256
b23f237bfb197061e0902b0145b9198a990106588761af70c23814ea51014587

SHA512
503f6d8c0c5dfbec90754f2f37e416c6b7d483b4478d2ef2f38b4b677454002c0b0697fa653b87feeaa576e37f7882e8c46edaa660dc91d3a5109d550e2ead77

Download Submit
memory/1464-132-0x0000000000400000-0x0000000000A87000-memory.dmp

Filesize
6.5MB

Download
memory/1464-136-0x0000000003A11000-0x0000000003A15000-memory.dmp

Filesize
16KB

Download
memory/1464-137-0x0000000000400000-0x0000000000A87000-memory.dmp

Filesize
6.5MB

Download
memory/1464-138-0x0000000000400000-0x0000000000A87000-memory.dmp

Filesize
6.5MB

Download