a310logger | 072285efab7216ad4a718dfc4208984dd2726c5357e71e5a9aac8ae7470b21d5

General

Target

S00136402127536662.exe
Size

588KB
MD5

1aad026baeaab0069ec257c151924481
SHA1

e5f45813bb9baba4050bd3648851336470413f74
SHA256

072285efab7216ad4a718dfc4208984dd2726c5357e71e5a9aac8ae7470b21d5
SHA512

44636d5d298c5fab28a4fce3b765bb81809f8894fbec07a81890b5357361089a6fdbe164fa3c48db5b73390b8877e20c08568adf7958ba6bad0cb6d9e13b2198

Score

10^/10

a310logger collection spyware stealer suricata

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
suricata: ET MALWARE a310Logger Stealer Exfil (SMTP)
suricata: ET MALWARE a310Logger Stealer Exfil (SMTP)
suricata

A310logger Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000600000001abd0-130.dat	a310logger
behavioral2/files/0x000600000001abd0-131.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
4060	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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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 2044 set thread context of 2644	2044	S00136402127536662.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
1768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2044	S00136402127536662.exe
2044	S00136402127536662.exe
2044	S00136402127536662.exe
2044	S00136402127536662.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	S00136402127536662.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	S00136402127536662.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1768	2044	S00136402127536662.exe	70
PID 2044 wrote to memory of 1768	2044	S00136402127536662.exe	70
PID 2044 wrote to memory of 1768	2044	S00136402127536662.exe	70
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2044 wrote to memory of 2644	2044	S00136402127536662.exe	72
PID 2644 wrote to memory of 4060	2644	S00136402127536662.exe	73
PID 2644 wrote to memory of 4060	2644	S00136402127536662.exe	73
PID 2644 wrote to memory of 1544	2644	S00136402127536662.exe	74
PID 2644 wrote to memory of 1544	2644	S00136402127536662.exe	74
PID 2644 wrote to memory of 1544	2644	S00136402127536662.exe	74
PID 1544 wrote to memory of 1476	1544	WinMail.exe	75
PID 1544 wrote to memory of 1476	1544	WinMail.exe	75

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

C:\Users\Admin\AppData\Local\Temp\S00136402127536662.exe
"C:\Users\Admin\AppData\Local\Temp\S00136402127536662.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qipOGkQWgAPCwF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94CA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1768
- C:\Users\Admin\AppData\Local\Temp\S00136402127536662.exe
  "C:\Users\Admin\AppData\Local\Temp\S00136402127536662.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:4060
- - C:\Program Files (x86)\Windows Mail\WinMail.exe
    "C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1544
  - - C:\Program Files\Windows Mail\WinMail.exe
      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
      4⤵
      PID:1476

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

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Downloads

memory/2044-119-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/2044-123-0x00000000078A0000-0x0000000007918000-memory.dmp

Filesize
480KB

Download
memory/2044-115-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2044-122-0x0000000007700000-0x0000000007701000-memory.dmp

Filesize
4KB

Download
memory/2044-117-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/2044-118-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/2044-121-0x00000000054B0000-0x00000000054B6000-memory.dmp

Filesize
24KB

Download
memory/2044-120-0x00000000050F0000-0x00000000055EE000-memory.dmp

Filesize
5.0MB

Download
memory/2644-125-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4060-134-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/4060-132-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads