masslogger | 983575863d353fa13cfc80e1fa0b9f073b5e336c6fdc4b46c0d9a3614ba8cca8

General

Target

PO-4093021 copy.exe
Size

805KB
MD5

642da53966f1bf49b013e96fc9584ea7
SHA1

3f0b9179ee12bf189c46bd06ba2ab29d17eadbff
SHA256

3a85cb51540571b98adc8edbe330bf0169582553a2c3bdb81171ebb5761ae001
SHA512

1a82c0a03189229a7d4d1ccf32bf6c184a8e32914648fcf175f65b7d4117c117a2d5df67156c145d705948763de02f69ee125cce2d5085db503a2899aa0e34b7
SSDEEP

12288:6nJl5JiwLr7Etmver3O8ComsoG65ymQHjqy++r1giiUWhbtQnwOycVeTBdWk:6nJNiMQrwSTOajM+BNRYBjORV

Score

10^/10

masslogger collection credential_access discovery spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.xtrafurniture.com
Port:
587
Username:
[email protected]
Password:
#48#Xtr@furn!tur3

Signatures

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

MassLogger Main payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2412-20-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/2412-24-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/2412-16-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/2412-14-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral1/memory/2412-22-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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:

PO-4093021 copy.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Control Panel\International\Geo\Nation	PO-4093021 copy.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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs

collection

Email Collection

T1114

Processes:

PO-4093021 copy.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO-4093021 copy.exe
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO-4093021 copy.exe
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO-4093021 copy.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO-4093021 copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO-4093021 copy.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO-4093021 copy.exe
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.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
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO-4093021 copy.exe

description	pid	Process	procid_target
PID 1596 set thread context of 2412	1596	PO-4093021 copy.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

PO-4093021 copy.exeschtasks.exePO-4093021 copy.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-4093021 copy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-4093021 copy.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
1976	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PO-4093021 copy.exe

pid	Process
2412	PO-4093021 copy.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO-4093021 copy.exe

pid	Process
2412	PO-4093021 copy.exe
2412	PO-4093021 copy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO-4093021 copy.exe

description	pid	Process
Token: SeDebugPrivilege	2412	PO-4093021 copy.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO-4093021 copy.exe

pid	Process
2412	PO-4093021 copy.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO-4093021 copy.exe

description	pid	Process	procid_target
PID 1596 wrote to memory of 1976	1596	PO-4093021 copy.exe	30
PID 1596 wrote to memory of 1976	1596	PO-4093021 copy.exe	30
PID 1596 wrote to memory of 1976	1596	PO-4093021 copy.exe	30
PID 1596 wrote to memory of 1976	1596	PO-4093021 copy.exe	30
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32
PID 1596 wrote to memory of 2412	1596	PO-4093021 copy.exe	32

outlook_office_path 1 IoCs

Processes:

PO-4093021 copy.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe

outlook_win_path 1 IoCs

Processes:

PO-4093021 copy.exe

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-4093021 copy.exe

C:\Users\Admin\AppData\Local\Temp\PO-4093021 copy.exe
"C:\Users\Admin\AppData\Local\Temp\PO-4093021 copy.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wFaYFsjG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C16.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1976
- C:\Users\Admin\AppData\Local\Temp\PO-4093021 copy.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\tmp3C16.tmp

Filesize
1KB

MD5
e60625d5fa7f3edc350005bed831000c

SHA1
484bf03c91d18059630e47539807b05aba0b2b67

SHA256
c64322466e79be677b8e648fa34706df31d86757f0b69b4e92cfe554b5197bb4

SHA512
ef96ea16dfbde035442db12654f775ac43de1d5da3ce48fbb1ed8f6d9baa167a39c18ad07a6f5c748bba321889264e318e7469b07312e559e11cacb8682235fc

Download Submit
memory/1596-0-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/1596-1-0x0000000000830000-0x0000000000900000-memory.dmp

Filesize
832KB

Download
memory/1596-2-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/1596-3-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/1596-4-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/1596-5-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/1596-6-0x0000000005240000-0x00000000052F0000-memory.dmp

Filesize
704KB

Download
memory/1596-25-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-24-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-20-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-16-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-14-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-22-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-12-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-26-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-27-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-10-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2412-28-0x00000000004B0000-0x00000000004F4000-memory.dmp

Filesize
272KB

Download
memory/2412-46-0x00000000046E0000-0x00000000046F4000-memory.dmp

Filesize
80KB

Download
memory/2412-51-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads