a310logger | 039676543cb62a651daa0570029334af7e19b6c2f2b5b3a083f1a7d6ebd3143e

General

Target

Burgan Bank Hesap Ozeti.exe
Size

618KB
MD5

b741d275962b6a594401b03e6f8c258f
SHA1

f69fc6c731cec9c189972d646f98ffd142e69610
SHA256

039676543cb62a651daa0570029334af7e19b6c2f2b5b3a083f1a7d6ebd3143e
SHA512

fb29439220b9d7159bff17017e5e1d894ba287249160ba8fcf94c2e52d277a89805f82b9230f2a62e16a2f7578726d87e34892f026a084aeea5d1a04e2fbb5a3

Score

10^/10

a310logger blustealer collection spyware stealer suricata

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.yekamuhendislik.com
Port:
587
Username:
[email protected]
Password:
MuhasebE123*

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
suricata: ET MALWARE a310Logger Stealer Exfil (SMTP)
suricata: ET MALWARE a310Logger Stealer Exfil (SMTP)
suricata

A310logger Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000400000001abdf-130.dat	a310logger
behavioral2/files/0x000400000001abdf-131.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
2904	Fox.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3512 set thread context of 2552	3512	Burgan Bank Hesap Ozeti.exe	71

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3512	Burgan Bank Hesap Ozeti.exe
3512	Burgan Bank Hesap Ozeti.exe
3512	Burgan Bank Hesap Ozeti.exe
3512	Burgan Bank Hesap Ozeti.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3512	Burgan Bank Hesap Ozeti.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2552	Burgan Bank Hesap Ozeti.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 3772	3512	Burgan Bank Hesap Ozeti.exe	69
PID 3512 wrote to memory of 3772	3512	Burgan Bank Hesap Ozeti.exe	69
PID 3512 wrote to memory of 3772	3512	Burgan Bank Hesap Ozeti.exe	69
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 3512 wrote to memory of 2552	3512	Burgan Bank Hesap Ozeti.exe	71
PID 2552 wrote to memory of 2904	2552	Burgan Bank Hesap Ozeti.exe	72
PID 2552 wrote to memory of 2904	2552	Burgan Bank Hesap Ozeti.exe	72
PID 2552 wrote to memory of 612	2552	Burgan Bank Hesap Ozeti.exe	73
PID 2552 wrote to memory of 612	2552	Burgan Bank Hesap Ozeti.exe	73
PID 2552 wrote to memory of 612	2552	Burgan Bank Hesap Ozeti.exe	73
PID 612 wrote to memory of 3608	612	WinMail.exe	74
PID 612 wrote to memory of 3608	612	WinMail.exe	74

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

C:\Users\Admin\AppData\Local\Temp\Burgan Bank Hesap Ozeti.exe
"C:\Users\Admin\AppData\Local\Temp\Burgan Bank Hesap Ozeti.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dkPditXZy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9576.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3772
- C:\Users\Admin\AppData\Local\Temp\Burgan Bank Hesap Ozeti.exe
  "C:\Users\Admin\AppData\Local\Temp\Burgan Bank Hesap Ozeti.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - outlook_office_path
    - outlook_win_path
    PID:2904
- - C:\Program Files (x86)\Windows Mail\WinMail.exe
    "C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:612
  - - C:\Program Files\Windows Mail\WinMail.exe
      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
      4⤵
      PID:3608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2552-125-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2904-134-0x000000001B350000-0x000000001B352000-memory.dmp

Filesize
8KB

Download
memory/2904-132-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/3512-120-0x0000000004A50000-0x0000000004AE2000-memory.dmp

Filesize
584KB

Download
memory/3512-123-0x0000000005AF0000-0x0000000005B6A000-memory.dmp

Filesize
488KB

Download
memory/3512-122-0x0000000005850000-0x0000000005851000-memory.dmp

Filesize
4KB

Download
memory/3512-121-0x0000000004E70000-0x0000000004E76000-memory.dmp

Filesize
24KB

Download
memory/3512-115-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/3512-119-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/3512-118-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

Filesize
4KB

Download
memory/3512-117-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads