masslogger | a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220414-en
submitted
08-07-2022 10:29

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General

Target

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Size

819KB
MD5

0f2e4a2aefff2c984d82f29ce834669f
SHA1

fbe05d756e7040b385adb24e22267da7038845b5
SHA256

a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf
SHA512

56430acc54b1d79b153e1ada48b2b19bf3e51f6dea5aee201bfa7332604f9a784fee2bdb592e0ad0fc4a91d2d155a4c41bea9b5b70bf7bc0687862b70fb7bb85

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/1696-63-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-64-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-65-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-66-0x000000000047E1AE-mapping.dmp	family_masslogger
behavioral1/memory/1696-68-0x0000000000400000-0x0000000000484000-memory.dmp	family_masslogger
behavioral1/memory/1696-70-0x0000000000400000-0x0000000000484000-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	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.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 queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.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
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27
PID 548 wrote to memory of 1696	548	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe	27

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	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.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	a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe

C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
"C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe
  "C:\Users\Admin\AppData\Local\Temp\a2b4d46606b331bdc9da63107c6271a59c60e7ea78922be4eeaccccbe3bde0bf.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1696

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

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Downloads

memory/548-54-0x00000000008A0000-0x0000000000974000-memory.dmp

Filesize
848KB

Download
memory/548-55-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/548-56-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download
memory/548-57-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download
memory/548-58-0x0000000004DC0000-0x0000000004E78000-memory.dmp

Filesize
736KB

Download
memory/548-59-0x0000000004900000-0x0000000004984000-memory.dmp

Filesize
528KB

Download
memory/1696-60-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-61-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-63-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-64-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-65-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-68-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-70-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1696-72-0x0000000004EA5000-0x0000000004EB6000-memory.dmp

Filesize
68KB

Download
memory/1696-73-0x0000000004EA5000-0x0000000004EB6000-memory.dmp

Filesize
68KB

Download