a310logger | 61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb

General

Target

ChromeRecovery.exe
Size

67KB
MD5

b3d0b8c065ad75dfd646829bc7c87735
SHA1

629655f03b356ad46ae106855eb004c7be7098c0
SHA256

61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb
SHA512

81539089391fb7aad33450a37ab57ec4a13c544a70ead868bc89f4e5d3d81dd948b4ea82c9ba1a780e03dfee608839b6acf2868f0ff6c0fc0fd2ef2fd6cf766e

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
behavioral1/files/0x00040000000130e4-62.dat	a310logger
behavioral1/files/0x00040000000130e4-63.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
1716	MZ.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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	ChromeRecovery.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	ChromeRecovery.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1716	MZ.exe
1716	MZ.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	MZ.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 296 wrote to memory of 1716	296	ChromeRecovery.exe	30
PID 296 wrote to memory of 1716	296	ChromeRecovery.exe	30
PID 296 wrote to memory of 1716	296	ChromeRecovery.exe	30

C:\Users\Admin\AppData\Local\Temp\ChromeRecovery.exe
"C:\Users\Admin\AppData\Local\Temp\ChromeRecovery.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:296
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1716

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/296-60-0x0000000000B20000-0x0000000000B22000-memory.dmp

Filesize
8KB

Download
memory/296-64-0x0000000000B26000-0x0000000000B45000-memory.dmp

Filesize
124KB

Download
memory/1716-65-0x0000000000B40000-0x0000000000B42000-memory.dmp

Filesize
8KB

Download

Analysis

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