arkei | c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-en-20211208
submitted
15-02-2022 06:28

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General

Target

c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe
Size

1.9MB
MD5

38f88448e44f0b6b72e37200eb69a853
SHA1

ce6e058f75350f6753f8d1c16ce9573f9491515c
SHA256

c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677
SHA512

99328cdab2c711517340008c538763b1352f8d08144fde9e198ceff05f0d54f0fd5ddf9bc590e447f2e635d5262aae0d7b9e9a580fdcae69c2138049a21078ec

Score

10^/10

arkei default evasion stealer themida trojan

Malware Config

Extracted

Family

arkei

Botnet

Default

http://45.95.235.77/6LuciSfmJZ.php

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1564-55-0x0000000000D10000-0x00000000011A6000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

pid process

1564 c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

pid	process
1564	c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe

C:\Users\Admin\AppData\Local\Temp\c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe
"C:\Users\Admin\AppData\Local\Temp\c1072380a7f84c66069ef375aed7a1563dccb69950b9b35436712d74a6c99677.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1564

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

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Downloads

memory/1564-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1564-55-0x0000000000D10000-0x00000000011A6000-memory.dmp

Filesize
4.6MB

Download
memory/1564-56-0x0000000077330000-0x0000000077332000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads