recordbreaker | 4e151b557e07f55f52583a6aa3a06288c7de0e35848414c1001f179ceb5fbed3

General

Target

Setup.exe
Size

385.8MB
MD5

0f8d777f14046968f8bbe6acde833ce5
SHA1

d9a357693ef6b52f9fbeecd48c1a56de23c14103
SHA256

4e151b557e07f55f52583a6aa3a06288c7de0e35848414c1001f179ceb5fbed3
SHA512

af8a8e6a070fca90ac38af8dc0b56106d093341d9a89bf4f8bfed49f13c1db27f47ad2b2b908e1650845ca6461bb59039cd33475c7b65823479107b61c5aea82

Score

10^/10

recordbreaker evasion stealer themida trojan

Malware Config

Extracted

Family

recordbreaker

C2

http://45.67.34.152/

http://45.133.216.249/

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

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe

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

Setup.exe

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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2676-130-0x0000000000810000-0x0000000001105000-memory.dmp	themida
behavioral2/memory/2676-131-0x0000000000810000-0x0000000001105000-memory.dmp	themida
behavioral2/memory/2676-132-0x0000000000810000-0x0000000001105000-memory.dmp	themida
behavioral2/memory/2676-133-0x0000000000810000-0x0000000001105000-memory.dmp	themida
behavioral2/memory/2676-135-0x0000000000810000-0x0000000001105000-memory.dmp	themida
behavioral2/memory/2676-137-0x0000000000810000-0x0000000001105000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Setup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup.exe

pid process

2676 Setup.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Setup.exe

pid process

2676 Setup.exe
2676 Setup.exe
2676 Setup.exe
2676 Setup.exe
2676 Setup.exe
2676 Setup.exe

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

pid	process
2676	Setup.exe

pid	process
2676	Setup.exe
2676	Setup.exe
2676	Setup.exe
2676	Setup.exe
2676	Setup.exe
2676	Setup.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.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:2676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2676-130-0x0000000000810000-0x0000000001105000-memory.dmp

Filesize
9.0MB

Download
memory/2676-131-0x0000000000810000-0x0000000001105000-memory.dmp

Filesize
9.0MB

Download
memory/2676-132-0x0000000000810000-0x0000000001105000-memory.dmp

Filesize
9.0MB

Download
memory/2676-133-0x0000000000810000-0x0000000001105000-memory.dmp

Filesize
9.0MB

Download
memory/2676-134-0x00000000775D0000-0x0000000077773000-memory.dmp

Filesize
1.6MB

Download
memory/2676-135-0x0000000000810000-0x0000000001105000-memory.dmp

Filesize
9.0MB

Download
memory/2676-136-0x00000000775D0000-0x0000000077773000-memory.dmp

Filesize
1.6MB

Download
memory/2676-137-0x0000000000810000-0x0000000001105000-memory.dmp

Filesize
9.0MB

Download
memory/2676-138-0x00000000775D0000-0x0000000077773000-memory.dmp

Filesize
1.6MB

Download

Analysis

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