a310logger | 2183dd8a07c328ff41cf8fedc06bdc9ec8166d6c11691cb6d379899318d8e555

General

Target

1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe
Size

922KB
MD5

a6c09767f7b9b02156bd3e4f67764e79
SHA1

5aa1d0515cd9ca1802c872cd8a9354b65cef7463
SHA256

2183dd8a07c328ff41cf8fedc06bdc9ec8166d6c11691cb6d379899318d8e555
SHA512

5f7072604303b4bea39a1c4751e09eb8399d9a10984ba2ddb699680145c952fb71d180e3e56135d30aa9639e9f5ff3899a3e58a2b7ab5d0ec38b88f94f17aa50

Score

10^/10

a310logger spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger

A310logger Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000100000001ab30-132.dat	a310logger
behavioral2/files/0x000100000001ab30-133.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
3164	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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 656 set thread context of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80

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
3940	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3680	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 3940	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	78
PID 656 wrote to memory of 3940	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	78
PID 656 wrote to memory of 3940	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	78
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 656 wrote to memory of 3680	656	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	80
PID 3680 wrote to memory of 3164	3680	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	81
PID 3680 wrote to memory of 3164	3680	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	81
PID 3680 wrote to memory of 3896	3680	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	82
PID 3680 wrote to memory of 3896	3680	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	82
PID 3680 wrote to memory of 3896	3680	1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe	82
PID 3896 wrote to memory of 3872	3896	WinMail.exe	83
PID 3896 wrote to memory of 3872	3896	WinMail.exe	83

C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe
"C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LEjGKtEzH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp512E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3940
- C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe
  "C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3680
- - 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
    PID:3164
- - C:\Program Files (x86)\Windows Mail\WinMail.exe
    "C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3896
  - - C:\Program Files\Windows Mail\WinMail.exe
      "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
      4⤵
      PID:3872

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

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/656-120-0x0000000001A50000-0x0000000001A51000-memory.dmp

Filesize
4KB

Download
memory/656-118-0x0000000005930000-0x0000000005931000-memory.dmp

Filesize
4KB

Download
memory/656-121-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/656-122-0x00000000090C0000-0x00000000090D1000-memory.dmp

Filesize
68KB

Download
memory/656-123-0x00000000093A0000-0x0000000009468000-memory.dmp

Filesize
800KB

Download
memory/656-124-0x000000000BB90000-0x000000000BBED000-memory.dmp

Filesize
372KB

Download
memory/656-116-0x0000000005890000-0x0000000005891000-memory.dmp

Filesize
4KB

Download
memory/656-119-0x00000000059E0000-0x0000000005EDE000-memory.dmp

Filesize
5.0MB

Download
memory/656-114-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/656-117-0x0000000005EE0000-0x0000000005EE1000-memory.dmp

Filesize
4KB

Download
memory/3164-134-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/3164-136-0x0000000000940000-0x0000000000942000-memory.dmp

Filesize
8KB

Download
memory/3680-127-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads