masslogger | 61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9

Analysis

max time kernel
89s
max time network
150s
platform
windows7_x64
resource
win7-20220414-en
submitted
15/04/2022, 15:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Size

1.6MB
MD5

96667ef10668a3200705051642b26e9e
SHA1

f8dd434a6f103149dc814958bb09e2797dac5eed
SHA256

61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9
SHA512

b573e959bc9942ad6d5c9e0355376420dd644400edd7545bf25e9de841c81e29dfef1c822bac58ec5e9ec27538a99edcad9f99aee2d3bf7a6c8713c558272d51

Score

10^/10

masslogger collection persistence 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/1100-61-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1100-60-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1100-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1100-63-0x00000000004817DE-mapping.dmp	family_masslogger
behavioral1/memory/1100-65-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1100-67-0x0000000000400000-0x0000000000486000-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-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\""	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.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 1480 set thread context of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
Token: SeDebugPrivilege	1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1100	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 944	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	26
PID 1480 wrote to memory of 944	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	26
PID 1480 wrote to memory of 944	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	26
PID 1480 wrote to memory of 944	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	26
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27
PID 1480 wrote to memory of 1100	1480	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe

C:\Users\Admin\AppData\Local\Temp\61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
"C:\Users\Admin\AppData\Local\Temp\61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Local\Temp\61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
  "C:\Users\Admin\AppData\Local\Temp\61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe"
  2⤵
  PID:944
- C:\Users\Admin\AppData\Local\Temp\61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.exe
  "C:\Users\Admin\AppData\Local\Temp\61276f3fdaf236e7d246648058ab2f3039a12eddb5b243d5e926b358f19caca9.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:1100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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/1100-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-57-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-58-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-65-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1100-69-0x00000000005E0000-0x0000000000620000-memory.dmp

Filesize
256KB

Download
memory/1480-55-0x0000000005C20000-0x0000000005CB6000-memory.dmp

Filesize
600KB

Download
memory/1480-56-0x0000000001FF0000-0x000000000200C000-memory.dmp

Filesize
112KB

Download
memory/1480-54-0x0000000000240000-0x00000000003D8000-memory.dmp

Filesize
1.6MB

Download
memory/1480-68-0x0000000004E75000-0x0000000004E86000-memory.dmp

Filesize
68KB

Download