masslogger | ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3

Analysis

max time kernel
71s
max time network
133s
platform
windows7_x64
resource
win7-20220414-en
submitted
02-05-2022 15:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Size

879KB
MD5

0b26ea9daf104b399e4cc8cca7f7cfc4
SHA1

716ea5c557db9638d855072cbca3f399c9f41062
SHA256

ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3
SHA512

f2784dd29488fc10579a54eceb5acec905d50de701b8ac4f48b8f735b740d47f432a52e0ebe72b9711b8cd2046c982887dfd009aa3a510cb8f125813a90e408e

Score

10^/10

masslogger collection spyware stealer

Malware Config

Signatures

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

MassLogger Main Payload 6 IoCs

resource	yara_rule
behavioral1/memory/1740-65-0x000000000048199E-mapping.dmp	family_masslogger
behavioral1/memory/1740-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1740-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1740-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1740-67-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1740-69-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.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.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
1056	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Token: SeDebugPrivilege	1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
Token: SeDebugPrivilege	1056	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1408	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	27
PID 1672 wrote to memory of 1408	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	27
PID 1672 wrote to memory of 1408	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	27
PID 1672 wrote to memory of 1408	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	27
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1672 wrote to memory of 1740	1672	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	28
PID 1740 wrote to memory of 1056	1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	30
PID 1740 wrote to memory of 1056	1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	30
PID 1740 wrote to memory of 1056	1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	30
PID 1740 wrote to memory of 1056	1740	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe

outlook_win_path 1 IoCs

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	ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe

C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
"C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
  "C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe"
  2⤵
  PID:1408
- C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe
  "C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1740
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ef46e45ba1db5b9abe49830d64bdb7572bd2a19395bca351264b82d41d1a90a3.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1056-74-0x000000006F1D0000-0x000000006F77B000-memory.dmp

Filesize
5.7MB

Download
memory/1672-54-0x0000000000190000-0x0000000000272000-memory.dmp

Filesize
904KB

Download
memory/1672-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x0000000000430000-0x0000000000440000-memory.dmp

Filesize
64KB

Download
memory/1672-57-0x0000000005510000-0x00000000055D0000-memory.dmp

Filesize
768KB

Download
memory/1672-58-0x00000000055D0000-0x0000000005658000-memory.dmp

Filesize
544KB

Download
memory/1740-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-69-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-73-0x00000000043B5000-0x00000000043C6000-memory.dmp

Filesize
68KB

Download
memory/1740-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download