masslogger | d47f5168e5b3b521b9e2722207e1fcf5be168c8dab409ffd575cba8c08fe1f9e

General

Target

kWRzqj4iO78z4ri.exe
Size

746KB
MD5

9edb7a4a29110cd92c0f304fd69f8308
SHA1

95f1be6b1e4f159712d415bfb99c8dd57202a18b
SHA256

d47f5168e5b3b521b9e2722207e1fcf5be168c8dab409ffd575cba8c08fe1f9e
SHA512

bb3dbd10ad536c69aed3a7963ba5f8e10e1f1d4a79d65ff7d7cfe5d4cff6331a128b0a6d8ce21b8dc6e936db633bbb47fa487857699d3797b86561c8849c3ebc

Score

10^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1076	kWRzqj4iO78z4ri.exe

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
1032	schtasks.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

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
3	api.ipify.org

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 1076	1456	kWRzqj4iO78z4ri.exe	26

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1076	kWRzqj4iO78z4ri.exe

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1032	1456	kWRzqj4iO78z4ri.exe	24
PID 1456 wrote to memory of 1032	1456	kWRzqj4iO78z4ri.exe	24
PID 1456 wrote to memory of 1032	1456	kWRzqj4iO78z4ri.exe	24
PID 1456 wrote to memory of 1032	1456	kWRzqj4iO78z4ri.exe	24
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26
PID 1456 wrote to memory of 1076	1456	kWRzqj4iO78z4ri.exe	26

C:\Users\Admin\AppData\Local\Temp\kWRzqj4iO78z4ri.exe
"C:\Users\Admin\AppData\Local\Temp\kWRzqj4iO78z4ri.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QcygUAJrL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8ED6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1032
- C:\Users\Admin\AppData\Local\Temp\kWRzqj4iO78z4ri.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1076

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

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1076-4-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1076-6-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1076-7-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads