a310logger | 8130e7cb38e727c9f90c9ec404685cffdff6c731d780ba7220af582cadadb30b

General

Target

a1b3cb748176d91f760264b5349292eb.exe
Size

958KB
MD5

a1b3cb748176d91f760264b5349292eb
SHA1

0629209324566660c0bf6151b4a9a894cde4086e
SHA256

8130e7cb38e727c9f90c9ec404685cffdff6c731d780ba7220af582cadadb30b
SHA512

a4fceea10bfc252168624c765e668b43f57e54bc4f31759eb595db2597f0b2744c355e687ea65674d9e7d88edd9d7de12fc73a337d384a81e0e45316f6ca7d24

Score

10^/10

a310logger stormkitty spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty Payload 3 IoCs

resource	yara_rule
behavioral1/files/0x00030000000130ec-72.dat	family_stormkitty
behavioral1/files/0x00030000000130ec-74.dat	family_stormkitty
behavioral1/files/0x00030000000130ec-75.dat	family_stormkitty

A310logger Executable 3 IoCs

resource	yara_rule
behavioral1/files/0x00030000000130ec-72.dat	a310logger
behavioral1/files/0x00030000000130ec-74.dat	a310logger
behavioral1/files/0x00030000000130ec-75.dat	a310logger

Executes dropped EXE 2 IoCs

pid	Process
304	PASSWORDSNET4.exe
1996	CREDITCARDNET4.exe

Loads dropped DLL 2 IoCs

pid	Process
1356	a1b3cb748176d91f760264b5349292eb.exe
1356	a1b3cb748176d91f760264b5349292eb.exe

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 916 set thread context of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	PASSWORDSNET4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	PASSWORDSNET4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1356	a1b3cb748176d91f760264b5349292eb.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 916 wrote to memory of 1356	916	a1b3cb748176d91f760264b5349292eb.exe	29
PID 1356 wrote to memory of 304	1356	a1b3cb748176d91f760264b5349292eb.exe	30
PID 1356 wrote to memory of 304	1356	a1b3cb748176d91f760264b5349292eb.exe	30
PID 1356 wrote to memory of 304	1356	a1b3cb748176d91f760264b5349292eb.exe	30
PID 1356 wrote to memory of 304	1356	a1b3cb748176d91f760264b5349292eb.exe	30
PID 1356 wrote to memory of 1996	1356	a1b3cb748176d91f760264b5349292eb.exe	32
PID 1356 wrote to memory of 1996	1356	a1b3cb748176d91f760264b5349292eb.exe	32
PID 1356 wrote to memory of 1996	1356	a1b3cb748176d91f760264b5349292eb.exe	32
PID 1356 wrote to memory of 1996	1356	a1b3cb748176d91f760264b5349292eb.exe	32

C:\Users\Admin\AppData\Local\Temp\a1b3cb748176d91f760264b5349292eb.exe
"C:\Users\Admin\AppData\Local\Temp\a1b3cb748176d91f760264b5349292eb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:916
- C:\Users\Admin\AppData\Local\Temp\a1b3cb748176d91f760264b5349292eb.exe
  "C:\Users\Admin\AppData\Local\Temp\a1b3cb748176d91f760264b5349292eb.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1356
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
    3⤵
    - Executes dropped EXE
    - Checks processor information in registry
    PID:304
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\CREDITCARDNET4.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\CREDITCARDNET4.exe
    3⤵
    - Executes dropped EXE
    PID:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/304-76-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/916-60-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/916-65-0x0000000004EE0000-0x0000000004F58000-memory.dmp

Filesize
480KB

Download
memory/916-64-0x00000000052E0000-0x000000000539C000-memory.dmp

Filesize
752KB

Download
memory/916-63-0x0000000000490000-0x00000000004A0000-memory.dmp

Filesize
64KB

Download
memory/916-62-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/1356-66-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1356-71-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/1356-70-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1996-82-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download

Analysis

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