masslogger | 0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249

Analysis

max time kernel
136s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-05-2022 21:15

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General

Target

0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Size

2.2MB
MD5

bc5b6c3533eb2b20b6c46fcb67d0ae8f
SHA1

b10c0d14b9d59390b92dc5779d1c152714e56191
SHA256

0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249
SHA512

60b4ed338d52b932d2741eb96fe10bf5c0d21f8082dc37e03c1622e0349eea331cf6bbb6215567ca0103cbcafe20d62b72f9e912f85b302b269bb7515a45aa5e

Score

10^/10

masslogger collection spyware stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.wolterfan.com
Port:
587
Username:
[email protected]
Password:
@Mar123

Signatures

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

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000023156-694.dat	acprotect

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0006000000023156-694.dat	upx

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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.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 18 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.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
12	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2260 set thread context of 2368	2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe	77

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2368	2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe	77
PID 2260 wrote to memory of 2368	2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe	77
PID 2260 wrote to memory of 2368	2260	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe	77

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe

C:\Users\Admin\AppData\Local\Temp\0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
"C:\Users\Admin\AppData\Local\Temp\0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe
  "C:\Users\Admin\AppData\Local\Temp\0461cd6c0d0a0c2b2987598f900c28decc01174af345897823a10118d7689249.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2368

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

C:\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll

Filesize
594KB

MD5
e81aeac387c5db32b7f9b07d15e788e0

SHA1
829be6eaf1cb0d82b2ddfc98272e1087f4a7a7c3

SHA256
44f31f99f048bfc5195937353b5207332e455bcd5a722bcfd32cacfd93f60f06

SHA512
cc6a96325a01c50c059706a1f4156f109e502ef9c0b0f5de209d1f52e7cc973cebc027f57ed988e9d1b8fca62746b60ee7430d608de95cdd0e5ac3cb61fbe32e

Download Submit
memory/2260-131-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2368-183-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-695-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/2368-135-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-137-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-143-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-149-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-161-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-165-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-171-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-177-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-181-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-187-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-191-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-195-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-193-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-189-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-175-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-155-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-133-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-185-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-173-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-169-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-167-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-163-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-159-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-157-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-153-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-151-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-147-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-145-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-141-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-139-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-132-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-179-0x0000000000FA0000-0x00000000010FE000-memory.dmp

Filesize
1.4MB

Download
memory/2368-696-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/2368-697-0x0000000006030000-0x0000000006096000-memory.dmp

Filesize
408KB

Download
memory/2368-698-0x0000000006470000-0x000000000647A000-memory.dmp

Filesize
40KB

Download
memory/2368-699-0x00000000067B0000-0x0000000006800000-memory.dmp

Filesize
320KB

Download
memory/2368-700-0x0000000006D00000-0x0000000006D9C000-memory.dmp

Filesize
624KB

Download