a310logger | 8742189aa8e9303ed7ce67da39348d2bb6628a6c5243c6e9a968499098f42178

General

Target

SO#5933772-00,xlsx.exe
Size

1.0MB
MD5

3dbc477725b5a88f511f1b4e3bcc38fc
SHA1

a81ed8a5aed97fb6efa956e5c485f2aad8467e9f
SHA256

8742189aa8e9303ed7ce67da39348d2bb6628a6c5243c6e9a968499098f42178
SHA512

60de5350d98658ab152bd361e5a7fe6c5c3f294ced8067a8ea1a3e98004759723457a9e9e36a6cc01c5a35474ab4db06695111a0143972ffb0fdfe55c97da517

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 3 IoCs

resource	yara_rule
behavioral1/files/0x00030000000130dd-74.dat	a310logger
behavioral1/files/0x00030000000130dd-76.dat	a310logger
behavioral1/files/0x00030000000130dd-77.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
852	Fox.exe

Loads dropped DLL 1 IoCs

pid	Process
1032	SO#5933772-00,xlsx.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1848 set thread context of 1032	1848	SO#5933772-00,xlsx.exe	31

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
1568	schtasks.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1032	SO#5933772-00,xlsx.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1568	1848	SO#5933772-00,xlsx.exe	29
PID 1848 wrote to memory of 1568	1848	SO#5933772-00,xlsx.exe	29
PID 1848 wrote to memory of 1568	1848	SO#5933772-00,xlsx.exe	29
PID 1848 wrote to memory of 1568	1848	SO#5933772-00,xlsx.exe	29
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1848 wrote to memory of 1032	1848	SO#5933772-00,xlsx.exe	31
PID 1032 wrote to memory of 852	1032	SO#5933772-00,xlsx.exe	32
PID 1032 wrote to memory of 852	1032	SO#5933772-00,xlsx.exe	32
PID 1032 wrote to memory of 852	1032	SO#5933772-00,xlsx.exe	32
PID 1032 wrote to memory of 852	1032	SO#5933772-00,xlsx.exe	32

C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VqTEFYQXsiQibk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E71.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1568
- C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1032
- - 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:852

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

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/852-80-0x000000001B390000-0x000000001B392000-memory.dmp

Filesize
8KB

Download
memory/852-78-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/1032-72-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1032-73-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1032-68-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1848-60-0x0000000000D90000-0x0000000000D91000-memory.dmp

Filesize
4KB

Download
memory/1848-65-0x0000000005140000-0x00000000051A1000-memory.dmp

Filesize
388KB

Download
memory/1848-64-0x0000000005890000-0x000000000595E000-memory.dmp

Filesize
824KB

Download
memory/1848-63-0x00000000003A0000-0x00000000003B1000-memory.dmp

Filesize
68KB

Download
memory/1848-62-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads