6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7

Analysis

max time kernel
98s
max time network
119s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
02-08-2022 12:51

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General

Target

6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe
Size

5.9MB
MD5

c313d53fa46232eda3ae3110405208c5
SHA1

e08b27c7dce34a572c457beee171018fab002298
SHA256

6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7
SHA512

6cc0549098e2407263b1eb1d2725e6df2a30b371453c5a72ab35ebb9dfaba5cf7f73fa29f3925fb613cceaf4f2feaf3e6080c7a0969f15c1876f4d3486959da8

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:

6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.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:

6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

Loads dropped DLL 2 IoCs

Processes:

6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

pid	process
960	6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe
960	6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/960-56-0x0000000000400000-0x0000000000A45000-memory.dmp	themida
behavioral1/memory/960-55-0x0000000000400000-0x0000000000A45000-memory.dmp	themida
behavioral1/memory/960-57-0x0000000000400000-0x0000000000A45000-memory.dmp	themida
behavioral1/memory/960-60-0x0000000000400000-0x0000000000A45000-memory.dmp	themida
behavioral1/memory/960-61-0x0000000000400000-0x0000000000A45000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.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\6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe
"C:\Users\Admin\AppData\Local\Temp\6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.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:960

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\nsd4674.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd4674.tmp\xml.dll
Filesize
1.3MB

MD5
73e05003c89a219bd3b5333bff53f38a

SHA1
ce0703c5194faac071284967af3285631f506bef

SHA256
c963bf29d5272a4bf42c44335cac1ff5bb6608c4cecc5b40fafa8f21d8702622

SHA512
f8ff8d5ccaf116e7d91a9629f87130bf4118154f6399a74b443fd6c95b7b6695c483245b1a81f97b8b662513e4433bd6c7f74826f77958d32fd8dcaf92f9d8ab

Download Submit
memory/960-54-0x0000000075301000-0x0000000075303000-memory.dmp

Filesize
8KB

Download
memory/960-56-0x0000000000400000-0x0000000000A45000-memory.dmp

Filesize
6.3MB

Download
memory/960-55-0x0000000000400000-0x0000000000A45000-memory.dmp

Filesize
6.3MB

Download
memory/960-57-0x0000000000400000-0x0000000000A45000-memory.dmp

Filesize
6.3MB

Download
memory/960-60-0x0000000000400000-0x0000000000A45000-memory.dmp

Filesize
6.3MB

Download
memory/960-61-0x0000000000400000-0x0000000000A45000-memory.dmp

Filesize
6.3MB

Download