recordbreaker | 55275f4ece4743cdbea40bb129c75ebf5f01c3135da0e9d58efa452b49756f3a

Analysis

max time kernel
88s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
18/06/2022, 03:40

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General

Target

setup/AISetup.exe
Size

465.0MB
MD5

e729c14e3ba0a6eff92196a8047c3a08
SHA1

5c27015b56dcc63b058518a5bf9d7535354ebe9b
SHA256

07cc8639fd86e1d80e664ff18a2f45f163b736f0bd28a2b166a00c0733d656dd
SHA512

45a00dc294626e68a9f2ca0a183a2c24e2aaa778eadd5d2a76ba2814d6886f73196a605e2e23fce3d5efb701da1c9af967560a8a3d01556d4ea2ad2b6540b53d

Score

10^/10

recordbreaker evasion stealer themida trojan

Malware Config

Extracted

Family

recordbreaker

http://146.19.247.52/

http://77.91.102.115/

Signatures

RecordBreaker
RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.
stealer recordbreaker

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AISetup.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AISetup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AISetup.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3816-130-0x0000000000B40000-0x00000000012CE000-memory.dmp	themida
behavioral2/memory/3816-131-0x0000000000B40000-0x00000000012CE000-memory.dmp	themida
behavioral2/memory/3816-132-0x0000000000B40000-0x00000000012CE000-memory.dmp	themida
behavioral2/memory/3816-134-0x0000000000B40000-0x00000000012CE000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3816	AISetup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3816	AISetup.exe
3816	AISetup.exe

C:\Users\Admin\AppData\Local\Temp\setup\AISetup.exe
"C:\Users\Admin\AppData\Local\Temp\setup\AISetup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3816-130-0x0000000000B40000-0x00000000012CE000-memory.dmp

Filesize
7.6MB

Download
memory/3816-131-0x0000000000B40000-0x00000000012CE000-memory.dmp

Filesize
7.6MB

Download
memory/3816-132-0x0000000000B40000-0x00000000012CE000-memory.dmp

Filesize
7.6MB

Download
memory/3816-133-0x00000000776B0000-0x0000000077853000-memory.dmp

Filesize
1.6MB

Download
memory/3816-134-0x0000000000B40000-0x00000000012CE000-memory.dmp

Filesize
7.6MB

Download
memory/3816-135-0x00000000776B0000-0x0000000077853000-memory.dmp

Filesize
1.6MB

Download
memory/3816-136-0x00000000776B0000-0x0000000077853000-memory.dmp

Filesize
1.6MB

Download