masslogger | 5a852a3803deadf723a41e97327b014f438772c83af28b6df27f2414c822602c

Analysis

max time kernel
95s
max time network
100s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 01:38

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General

Target

Order Specifications.exe
Size

737KB
MD5

1ea58404a64b36f8e367510d6c4d7062
SHA1

9590069d7efa8767f8362c7d74a39ffd117c054d
SHA256

f17e96a6ff93adedce32a09ce613d3e9bc33bf1a0555a56f3ec5882dee032b15
SHA512

57065dc6de25ae00a7d9d3fc0990d5c8f9a2a072363575ef2a334613baefc0703a4bcf618eb8137cf17e90a4e01a847fe62b598a28c1a6958b02548cf95a6c7a

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 33 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2040-62-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-64-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-63-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-65-0x00000000004A15EE-mapping.dmp	family_masslogger
behavioral1/memory/2040-67-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-69-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-71-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-73-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-75-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-77-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-79-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-81-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-83-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-85-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-87-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-89-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-91-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-93-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-95-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-97-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-99-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-101-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-103-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-105-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-107-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-109-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-111-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-113-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-115-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-117-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-119-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-121-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral1/memory/2040-123-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

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:

Order Specifications.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	Order Specifications.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:

Order Specifications.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order Specifications.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order Specifications.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order Specifications.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order Specifications.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order Specifications.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order Specifications.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order Specifications.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Order Specifications.exe

description pid process target process

PID 1512 set thread context of 2040 1512 Order Specifications.exe Order Specifications.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Order Specifications.exe

pid process

2040 Order Specifications.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1512 set thread context of 2040	1512	Order Specifications.exe	Order Specifications.exe

pid	process
2040	Order Specifications.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Order Specifications.exeOrder Specifications.exe

pid	process
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
1512	Order Specifications.exe
2040	Order Specifications.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order Specifications.exeOrder Specifications.exe

description pid process

Token: SeDebugPrivilege 1512 Order Specifications.exe
Token: SeDebugPrivilege 2040 Order Specifications.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Order Specifications.exe

pid process

2040 Order Specifications.exe

description	pid	process
Token: SeDebugPrivilege	1512	Order Specifications.exe
Token: SeDebugPrivilege	2040	Order Specifications.exe

pid	process
2040	Order Specifications.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Order Specifications.exe

description	pid	process	target process
PID 1512 wrote to memory of 1136	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 1136	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 1136	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 1136	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe
PID 1512 wrote to memory of 2040	1512	Order Specifications.exe	Order Specifications.exe

outlook_office_path 1 IoCs

Processes:

Order Specifications.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	Order Specifications.exe

outlook_win_path 1 IoCs

Processes:

Order Specifications.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	Order Specifications.exe

C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe
"C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe
  "C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe"
  2⤵
  PID:1136
- C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe
  "C:\Users\Admin\AppData\Local\Temp\Order Specifications.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:2040

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/1512-54-0x0000000000BC0000-0x0000000000C7E000-memory.dmp

Filesize
760KB

Download
memory/1512-55-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/1512-56-0x00000000009D0000-0x0000000000A74000-memory.dmp

Filesize
656KB

Download
memory/1512-57-0x00000000005A0000-0x00000000005B6000-memory.dmp

Filesize
88KB

Download
memory/1512-58-0x0000000000B20000-0x0000000000B34000-memory.dmp

Filesize
80KB

Download
memory/2040-59-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-60-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-62-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-64-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-63-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-65-0x00000000004A15EE-mapping.dmp

Download
memory/2040-67-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-69-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-71-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-73-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-75-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-77-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-79-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-81-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-83-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-85-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-87-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-89-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-91-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-93-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-95-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-97-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-99-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-101-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-103-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-105-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-107-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-109-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-111-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-113-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-115-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-117-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-119-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-121-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-123-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2040-571-0x00000000053F0000-0x0000000005434000-memory.dmp

Filesize
272KB

Download