masslogger | f9abeb7ba32ac4b84d855503d607cfe2fc79f147512db0871a262d53c560c5c1

Analysis

max time kernel
65s
max time network
117s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 12:13

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General

Target

catalogues lists.exe
Size

847KB
MD5

f6d7d69e4daa79e5a61cee1dd563f372
SHA1

6fa906729eafee56d8c077215881cbb0f7a8ad36
SHA256

1a1e5e11d4fc8b5b0b1b8d7ba56879a75c9079aa63c613d2f266a1b84bc15cfd
SHA512

28a9ccfa6b1d20ccae445d41989c2115e6a2bb5f16b828fc4dc22f588f27c826edec7a590243db2e38d0de9956469604bb58c97f773c7310bffc49f4408aa380

Score

10^/10

masslogger collection evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:04:54 PM MassLogger Started: 5/21/2022 1:04:43 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

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
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

yara_rule
masslogger_log_file

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

catalogues lists.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	catalogues lists.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	catalogues lists.exe

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:

catalogues lists.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	catalogues lists.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 15 IoCs

collection

Email Collection

T1114

Processes:

catalogues lists.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	catalogues lists.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	catalogues lists.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	catalogues lists.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	catalogues lists.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	catalogues lists.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	catalogues lists.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.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

flow	ioc
4	api.ipify.org

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

catalogues lists.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	catalogues lists.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	catalogues lists.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

catalogues lists.exe

description pid process target process

PID 2024 set thread context of 1388 2024 catalogues lists.exe catalogues lists.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

1088 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

catalogues lists.exe

pid process

1388 catalogues lists.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

catalogues lists.execatalogues lists.exe

pid process

2024 catalogues lists.exe
1388 catalogues lists.exe
1388 catalogues lists.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

catalogues lists.execatalogues lists.exe

description pid process

Token: SeDebugPrivilege 2024 catalogues lists.exe
Token: SeDebugPrivilege 1388 catalogues lists.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

catalogues lists.exe

pid process

1388 catalogues lists.exe

description	pid	process	target process
PID 2024 set thread context of 1388	2024	catalogues lists.exe	catalogues lists.exe

pid	process
1088	schtasks.exe

pid	process
1388	catalogues lists.exe

pid	process
2024	catalogues lists.exe
1388	catalogues lists.exe
1388	catalogues lists.exe

description	pid	process
Token: SeDebugPrivilege	2024	catalogues lists.exe
Token: SeDebugPrivilege	1388	catalogues lists.exe

pid	process
1388	catalogues lists.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

catalogues lists.exe

description	pid	process	target process
PID 2024 wrote to memory of 1088	2024	catalogues lists.exe	schtasks.exe
PID 2024 wrote to memory of 1088	2024	catalogues lists.exe	schtasks.exe
PID 2024 wrote to memory of 1088	2024	catalogues lists.exe	schtasks.exe
PID 2024 wrote to memory of 1088	2024	catalogues lists.exe	schtasks.exe
PID 2024 wrote to memory of 664	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 664	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 664	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 664	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe
PID 2024 wrote to memory of 1388	2024	catalogues lists.exe	catalogues lists.exe

outlook_office_path 1 IoCs

Processes:

catalogues lists.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe

outlook_win_path 1 IoCs

Processes:

catalogues lists.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	catalogues lists.exe

C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe
"C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZBHCZCxhdAG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C78.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1088
- C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe
  "C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe"
  2⤵
  PID:664
- C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe
  "C:\Users\Admin\AppData\Local\Temp\catalogues lists.exe"
  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:1388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8C78.tmp

Filesize
1KB

MD5
05b5574f80c56411a440038c71fd72b9

SHA1
1825f99b564e371ef27dbb209aaab24f1ef04b53

SHA256
6936a81f73287f72aec63de59e37582f8445ad6fa1d8538a780cce70e3f27189

SHA512
9d46b0d23605f3ae1838e8679186678600e47e0cf1d6643cd7d81fac32edd011446a1b741f104331dfa15aa9980e06ed5dbeafe06adef3b3645b0b553eba8d8d

Download Submit
memory/1088-58-0x0000000000000000-mapping.dmp

Download
memory/1388-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-64-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-584-0x00000000021F0000-0x0000000002204000-memory.dmp

Filesize
80KB

Download
memory/1388-88-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-60-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-92-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-90-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-65-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-66-0x00000000004AB6AE-mapping.dmp

Download
memory/1388-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-72-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-74-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-80-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-82-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-583-0x0000000004DA5000-0x0000000004DB6000-memory.dmp

Filesize
68KB

Download
memory/1388-86-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-581-0x0000000000660000-0x00000000006A4000-memory.dmp

Filesize
272KB

Download
memory/1388-122-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-94-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-96-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-98-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-100-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-102-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-104-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-106-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-108-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-110-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-112-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-114-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-116-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-118-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1388-120-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2024-57-0x0000000005490000-0x0000000005548000-memory.dmp

Filesize
736KB

Download
memory/2024-55-0x0000000076011000-0x0000000076013000-memory.dmp

Filesize
8KB

Download
memory/2024-54-0x0000000000A60000-0x0000000000B3A000-memory.dmp

Filesize
872KB

Download
memory/2024-56-0x00000000003D0000-0x00000000003D8000-memory.dmp

Filesize
32KB

Download