a310logger | 3049f3aa728a2c0f15dea40eb8d46c44ab1618cb8f2a1bb739cc6760aea303f5

General

Target

ziraat bankasi swift mesaji.exe
Size

603KB
MD5

67fa45924a8d2a4b751ef46d5c636d63
SHA1

7baed7557107d377431e868edbce12c4df8262d6
SHA256

3049f3aa728a2c0f15dea40eb8d46c44ab1618cb8f2a1bb739cc6760aea303f5
SHA512

959d090f33848fd84d9fab32cc40b81d0a12b16c3c11ef41cf08dd6029340520d81b010f82e1177d13ff43669908d4ce832831fedfc04457c47de7804addeef4

Score

10^/10

a310logger blustealer collection spyware stealer

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

A310logger Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000400000001abfb-148.dat	a310logger
behavioral2/files/0x000400000001abfb-147.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
1668	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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1888 set thread context of 1976	1888	ziraat bankasi swift mesaji.exe	72

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
3504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1888	ziraat bankasi swift mesaji.exe
1888	ziraat bankasi swift mesaji.exe
1888	ziraat bankasi swift mesaji.exe
1888	ziraat bankasi swift mesaji.exe
1564	powershell.exe
1564	powershell.exe
1564	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	ziraat bankasi swift mesaji.exe
Token: SeDebugPrivilege	1564	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1976	ziraat bankasi swift mesaji.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1564	1888	ziraat bankasi swift mesaji.exe	68
PID 1888 wrote to memory of 1564	1888	ziraat bankasi swift mesaji.exe	68
PID 1888 wrote to memory of 1564	1888	ziraat bankasi swift mesaji.exe	68
PID 1888 wrote to memory of 3504	1888	ziraat bankasi swift mesaji.exe	70
PID 1888 wrote to memory of 3504	1888	ziraat bankasi swift mesaji.exe	70
PID 1888 wrote to memory of 3504	1888	ziraat bankasi swift mesaji.exe	70
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1888 wrote to memory of 1976	1888	ziraat bankasi swift mesaji.exe	72
PID 1976 wrote to memory of 1668	1976	ziraat bankasi swift mesaji.exe	73
PID 1976 wrote to memory of 1668	1976	ziraat bankasi swift mesaji.exe	73
PID 1976 wrote to memory of 2656	1976	ziraat bankasi swift mesaji.exe	74
PID 1976 wrote to memory of 2656	1976	ziraat bankasi swift mesaji.exe	74
PID 1976 wrote to memory of 2656	1976	ziraat bankasi swift mesaji.exe	74
PID 2656 wrote to memory of 3960	2656	WinMail.exe	75
PID 2656 wrote to memory of 3960	2656	WinMail.exe	75

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tFqrzHcqoZfacZ.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1564
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFqrzHcqoZfacZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6FBD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3504
- C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe
  "C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1976
- - 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:1668
- - C:\Program Files (x86)\Windows Mail\WinMail.exe
    "C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2656
  - - C:\Program Files\Windows Mail\WinMail.exe
      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
      4⤵
      PID:3960

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

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Downloads

memory/1564-141-0x0000000007F40000-0x0000000007F41000-memory.dmp

Filesize
4KB

Download
memory/1564-144-0x0000000008000000-0x0000000008001000-memory.dmp

Filesize
4KB

Download
memory/1564-243-0x0000000004CE3000-0x0000000004CE4000-memory.dmp

Filesize
4KB

Download
memory/1564-174-0x0000000009AC0000-0x0000000009AC1000-memory.dmp

Filesize
4KB

Download
memory/1564-145-0x0000000008960000-0x0000000008961000-memory.dmp

Filesize
4KB

Download
memory/1564-129-0x0000000003310000-0x0000000003311000-memory.dmp

Filesize
4KB

Download
memory/1564-130-0x0000000003310000-0x0000000003311000-memory.dmp

Filesize
4KB

Download
memory/1564-131-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1564-173-0x000000007F120000-0x000000007F121000-memory.dmp

Filesize
4KB

Download
memory/1564-133-0x00000000078A0000-0x00000000078A1000-memory.dmp

Filesize
4KB

Download
memory/1564-172-0x0000000009960000-0x0000000009961000-memory.dmp

Filesize
4KB

Download
memory/1564-167-0x0000000009570000-0x0000000009571000-memory.dmp

Filesize
4KB

Download
memory/1564-138-0x0000000004CE2000-0x0000000004CE3000-memory.dmp

Filesize
4KB

Download
memory/1564-137-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/1564-140-0x0000000007850000-0x0000000007851000-memory.dmp

Filesize
4KB

Download
memory/1564-160-0x0000000009590000-0x00000000095C3000-memory.dmp

Filesize
204KB

Download
memory/1564-142-0x00000000081C0000-0x00000000081C1000-memory.dmp

Filesize
4KB

Download
memory/1564-153-0x0000000003310000-0x0000000003311000-memory.dmp

Filesize
4KB

Download
memory/1564-143-0x0000000008230000-0x0000000008231000-memory.dmp

Filesize
4KB

Download
memory/1564-149-0x00000000087E0000-0x00000000087E1000-memory.dmp

Filesize
4KB

Download
memory/1668-150-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1668-152-0x0000000000EB0000-0x0000000000EB2000-memory.dmp

Filesize
8KB

Download
memory/1888-125-0x0000000008670000-0x0000000008671000-memory.dmp

Filesize
4KB

Download
memory/1888-121-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/1888-122-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download
memory/1888-124-0x0000000005370000-0x0000000005377000-memory.dmp

Filesize
28KB

Download
memory/1888-118-0x0000000000840000-0x0000000000841000-memory.dmp

Filesize
4KB

Download
memory/1888-123-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/1888-126-0x0000000008790000-0x0000000008803000-memory.dmp

Filesize
460KB

Download
memory/1888-120-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1976-134-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads