masslogger | 258970d034e0216fb43795b398996dad9542e23894dd3c31a886402b5ab6d438

General

Target

zHc2LwlSQaUAlev.exe
Size

992KB
MD5

fae23a2a64b058a1b32f2720069ea39f
SHA1

c7c9efc08ad04e6a308a220e4eec1e5761a40059
SHA256

258970d034e0216fb43795b398996dad9542e23894dd3c31a886402b5ab6d438
SHA512

3bffa72a8aff64d77c4e6f647d81860cfc31ad9e1133ff8dee393cee96c240085dbc18447801ac32d6330dfb476a03834b18ab24d1577a2fd04c8bfccadf8594

Score

10^/10

ransomware stealer spyware masslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\C8A579F880\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/14/2020 3:42:04 PM MassLogger Started: 7/14/2020 3:41:57 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Signatures

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

zHc2LwlSQaUAlev.exe

pid process

1768 zHc2LwlSQaUAlev.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

zHc2LwlSQaUAlev.exe

pid process

1768 zHc2LwlSQaUAlev.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

Processes:

schtasks.exe

pid process

1852 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.

Processes:

flow ioc

4 api.ipify.org

pid	process
1768	zHc2LwlSQaUAlev.exe

pid	process
1768	zHc2LwlSQaUAlev.exe

pid	process
1852	schtasks.exe

flow	ioc
4	api.ipify.org

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

zHc2LwlSQaUAlev.exe

description	pid	process	target process
PID 1312 wrote to memory of 1852	1312	zHc2LwlSQaUAlev.exe	schtasks.exe
PID 1312 wrote to memory of 1852	1312	zHc2LwlSQaUAlev.exe	schtasks.exe
PID 1312 wrote to memory of 1852	1312	zHc2LwlSQaUAlev.exe	schtasks.exe
PID 1312 wrote to memory of 1852	1312	zHc2LwlSQaUAlev.exe	schtasks.exe
PID 1312 wrote to memory of 1784	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1784	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1784	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1784	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe
PID 1312 wrote to memory of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

zHc2LwlSQaUAlev.exezHc2LwlSQaUAlev.exe

description pid process

Token: SeDebugPrivilege 1312 zHc2LwlSQaUAlev.exe
Token: SeDebugPrivilege 1768 zHc2LwlSQaUAlev.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

zHc2LwlSQaUAlev.exezHc2LwlSQaUAlev.exe

pid process

1312 zHc2LwlSQaUAlev.exe
1768 zHc2LwlSQaUAlev.exe
1768 zHc2LwlSQaUAlev.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zHc2LwlSQaUAlev.exe

description pid process target process

PID 1312 set thread context of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

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

description	pid	process
Token: SeDebugPrivilege	1312	zHc2LwlSQaUAlev.exe
Token: SeDebugPrivilege	1768	zHc2LwlSQaUAlev.exe

pid	process
1312	zHc2LwlSQaUAlev.exe
1768	zHc2LwlSQaUAlev.exe
1768	zHc2LwlSQaUAlev.exe

description	pid	process	target process
PID 1312 set thread context of 1768	1312	zHc2LwlSQaUAlev.exe	zHc2LwlSQaUAlev.exe

yara_rule
masslogger_log_file

C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe
"C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
PID:1312

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hvEOgkqNBSsmP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE8A9.tmp"
2⤵
- Creates scheduled task(s)
PID:1852

C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe
"{path}"
2⤵
PID:1784

C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe
"{path}"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1768

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

C:\Users\Admin\AppData\Local\Temp\tmpE8A9.tmp

Download Submit
memory/1312-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1768-4-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-5-0x00000000004941BE-mapping.dmp

Download
memory/1768-6-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-7-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1852-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads