masslogger | 63fba1f5865021524422da5131c7d8509ecfeee6358a87e90c77b9ce202de498

General

Target

air way bill.exe
Size

861KB
MD5

c9e0dc9c74c3782c0319ed1ce090287d
SHA1

9fabc323f888b25b7005d2f793ac941c9091f0f3
SHA256

b2169a0b14394b89cad7d3d4092b1a3e940c4504f9e7d982ebbcfd0b8c603530
SHA512

8d13fa2d64d7a5fcb6e57ec014b18e469092ab122a6850dffbe37afc7d752f5c80a50b4cfa171194cf1e96614c0c9c3de50978c9a26f50805b5a016c436180d5

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 12:41:27 AM MassLogger Started: 5/21/2022 12:41:18 AM Interval: 1 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\air way bill.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

air way bill.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	air way bill.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 Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

air way bill.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	air way bill.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	air way bill.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	air way bill.exe

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

air way bill.exe

description pid process target process

PID 1612 set thread context of 1484 1612 air way bill.exe air way bill.exe
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

Processes:

schtasks.exe

pid process

1584 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

air way bill.exe

pid process

1484 air way bill.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1612 set thread context of 1484	1612	air way bill.exe	air way bill.exe

pid	process
1584	schtasks.exe

pid	process
1484	air way bill.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

air way bill.exeair way bill.exe

pid	process
1612	air way bill.exe
1612	air way bill.exe
1612	air way bill.exe
1612	air way bill.exe
1612	air way bill.exe
1484	air way bill.exe
1484	air way bill.exe
1484	air way bill.exe
1484	air way bill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

air way bill.exeair way bill.exe

description pid process

Token: SeDebugPrivilege 1612 air way bill.exe
Token: SeDebugPrivilege 1484 air way bill.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

air way bill.exe

pid process

1484 air way bill.exe

description	pid	process
Token: SeDebugPrivilege	1612	air way bill.exe
Token: SeDebugPrivilege	1484	air way bill.exe

pid	process
1484	air way bill.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

air way bill.exe

description	pid	process	target process
PID 1612 wrote to memory of 1584	1612	air way bill.exe	schtasks.exe
PID 1612 wrote to memory of 1584	1612	air way bill.exe	schtasks.exe
PID 1612 wrote to memory of 1584	1612	air way bill.exe	schtasks.exe
PID 1612 wrote to memory of 1584	1612	air way bill.exe	schtasks.exe
PID 1612 wrote to memory of 2000	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 2000	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 2000	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 2000	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1084	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1084	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1084	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1084	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1808	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1808	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1808	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1808	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe
PID 1612 wrote to memory of 1484	1612	air way bill.exe	air way bill.exe

outlook_office_path 1 IoCs

Processes:

air way bill.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe

outlook_win_path 1 IoCs

Processes:

air way bill.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	air way bill.exe

C:\Users\Admin\AppData\Local\Temp\air way bill.exe
"C:\Users\Admin\AppData\Local\Temp\air way bill.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eJcljmyFlZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC591.tmp"
2⤵
- Creates scheduled task(s)
PID:1584

C:\Users\Admin\AppData\Local\Temp\air way bill.exe
"{path}"
2⤵
PID:2000

C:\Users\Admin\AppData\Local\Temp\air way bill.exe
"{path}"
2⤵
PID:1084

C:\Users\Admin\AppData\Local\Temp\air way bill.exe
"{path}"
2⤵
PID:1808

C:\Users\Admin\AppData\Local\Temp\air way bill.exe
"{path}"
2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1484

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC591.tmp

Filesize
1KB

MD5
f1a3a661ce7a812fa9581319488d4822

SHA1
7695002acfc263b338798e663b858614b87c033b

SHA256
42eb314af9caf8897b45219cd1b7d78fb2033e16df0679049709055c85604ea2

SHA512
f69d5980adbc553d0191cc4ae7938482c23af1f6cb237c8084b82ff3c95b6358d3475845ab2e298af73850848462d1d20bfe0b0891840ea2b05104d593e84be8

Download Submit
memory/1484-67-0x00000000004B2E7E-mapping.dmp

Download
memory/1484-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1484-74-0x0000000000885000-0x0000000000896000-memory.dmp

Filesize
68KB

Download
memory/1484-72-0x0000000002100000-0x0000000002178000-memory.dmp

Filesize
480KB

Download
memory/1484-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1484-71-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1484-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1484-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1484-66-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1484-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1584-59-0x0000000000000000-mapping.dmp

Download
memory/1612-54-0x0000000000290000-0x000000000036E000-memory.dmp

Filesize
888KB

Download
memory/1612-56-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/1612-55-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1612-58-0x0000000005E70000-0x0000000005F28000-memory.dmp

Filesize
736KB

Download
memory/1612-57-0x0000000001FE0000-0x0000000002098000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads