recordbreaker | 4d8915f0725759ef33eb0650a94b716d4f37090e23664f66665d216aed5423bd

General

Target

Setup.exe
Size

465.0MB
MD5

89a1be272c94305709327aac60b27803
SHA1

c0e8c69784a196025c36bcdc640fabaf972ca989
SHA256

b1ff6ff829f5f94cc4efa59b9ac622f1c9ddcf80c9b238c4b0102f0d487d1766
SHA512

7168d00268160e845291dca9351fbc8c1cfc155931f911e3ab57cfd5e2d1c04aa022fc4623a9d67fd3b199f1492003019d2f1611a8919d1ad5e60bf76decb177

Score

10^/10

recordbreaker evasion stealer themida trojan

Malware Config

Extracted

Family

recordbreaker

C2

http://5.252.22.107/

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

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/3924-130-0x0000000000AC0000-0x0000000001283000-memory.dmp	themida
behavioral2/memory/3924-131-0x0000000000AC0000-0x0000000001283000-memory.dmp	themida
behavioral2/memory/3924-132-0x0000000000AC0000-0x0000000001283000-memory.dmp	themida
behavioral2/memory/3924-134-0x0000000000AC0000-0x0000000001283000-memory.dmp	themida
behavioral2/memory/3924-135-0x0000000000AC0000-0x0000000001283000-memory.dmp	themida
behavioral2/memory/3924-137-0x0000000000AC0000-0x0000000001283000-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

3924 Setup.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup.exe

pid process

3924 Setup.exe
3924 Setup.exe

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

pid	process
3924	Setup.exe

pid	process
3924	Setup.exe
3924	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:3924

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3924-130-0x0000000000AC0000-0x0000000001283000-memory.dmp

Filesize
7.8MB

Download
memory/3924-131-0x0000000000AC0000-0x0000000001283000-memory.dmp

Filesize
7.8MB

Download
memory/3924-132-0x0000000000AC0000-0x0000000001283000-memory.dmp

Filesize
7.8MB

Download
memory/3924-133-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/3924-134-0x0000000000AC0000-0x0000000001283000-memory.dmp

Filesize
7.8MB

Download
memory/3924-135-0x0000000000AC0000-0x0000000001283000-memory.dmp

Filesize
7.8MB

Download
memory/3924-136-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/3924-137-0x0000000000AC0000-0x0000000001283000-memory.dmp

Filesize
7.8MB

Download
memory/3924-138-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download

Analysis

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