recordbreaker | b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9

General

Target

b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe
Size

991KB
MD5

dd7c0c58450314880d48eeece29c0fd4
SHA1

ea3c53e23a5ced8a6f01c96e7837597e62899bbb
SHA256

b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9
SHA512

e6322a123e1783ead529049ef3b888cd8750ed3815e7725ea1c249e3c5797f0944e37eb6055df867d43db8a85845177330ef9e4b9a085034f065347c6e2d5a4b

Score

10^/10

recordbreaker stealer

Malware Config

Extracted

Family

recordbreaker

C2

http://146.70.124.71

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3804 set thread context of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1500	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2272	powershell.exe
2272	powershell.exe
3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe
3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	powershell.exe
Token: SeDebugPrivilege	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 2272	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	77
PID 3804 wrote to memory of 2272	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	77
PID 3804 wrote to memory of 2272	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	77
PID 3804 wrote to memory of 2640	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	83
PID 3804 wrote to memory of 2640	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	83
PID 3804 wrote to memory of 2640	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	83
PID 2640 wrote to memory of 1500	2640	cmd.exe	85
PID 2640 wrote to memory of 1500	2640	cmd.exe	85
PID 2640 wrote to memory of 1500	2640	cmd.exe	85
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89
PID 3804 wrote to memory of 3352	3804	b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe	89

C:\Users\Admin\AppData\Local\Temp\b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe
"C:\Users\Admin\AppData\Local\Temp\b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Start-Sleep -Seconds 10;Start-Sleep -Seconds 10;
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 15
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\timeout.exe
    timeout 15
    3⤵
    - Delays execution with timeout.exe
    PID:1500
- C:\Users\Admin\AppData\Local\Temp\b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe
  C:\Users\Admin\AppData\Local\Temp\b03a3100651c153d710c4f4778cb428c3723d936c428e757b7d17354243eacb9.exe
  2⤵
  PID:3352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-138-0x0000000007F20000-0x000000000859A000-memory.dmp

Filesize
6.5MB

Download
memory/2272-137-0x00000000068C0000-0x00000000068DE000-memory.dmp

Filesize
120KB

Download
memory/2272-133-0x0000000005AC0000-0x00000000060E8000-memory.dmp

Filesize
6.2MB

Download
memory/2272-134-0x00000000058F0000-0x0000000005912000-memory.dmp

Filesize
136KB

Download
memory/2272-139-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

Filesize
104KB

Download
memory/2272-136-0x0000000006160000-0x00000000061C6000-memory.dmp

Filesize
408KB

Download
memory/2272-132-0x0000000002FA0000-0x0000000002FD6000-memory.dmp

Filesize
216KB

Download
memory/2272-135-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/3352-144-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3352-146-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3352-147-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3804-130-0x0000000000570000-0x000000000066E000-memory.dmp

Filesize
1016KB

Download
memory/3804-142-0x00000000052B0000-0x0000000005342000-memory.dmp

Filesize
584KB

Download

Analysis

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