masslogger | 5845ce79fcd1bbe6ed76bbff18e2f3bb98a7bd82011cf960d5cc21b69651e582

Analysis

max time kernel
112s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 11:39

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General

Target

PO 450400- 13720.exe
Size

1.8MB
MD5

5a6d7f9876c36b2270fe5e99b096f1a4
SHA1

2f458c4ed1d1edf2697bf7be60dc71a8ced883e9
SHA256

e0cea593cef95fc3438ec707ef6d293c3189c3a3144a389f790cccfaec770759
SHA512

a683f3ba4d84d129ffc71a8a6b7136328d15c859a943b57ecec9ce21aff998f68475b5c020bdedc82c488b57861345e703f0bb4ce6bde5cf23de805716ae610d

Score

10^/10

masslogger collection spyware stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
Protected@123

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/0x0006000000022edd-698.dat	acprotect

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000022edd-698.dat	upx

Checks computer location settings 2 TTPs 2 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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	PO 450400- 13720.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	PO 450400- 13720.exe

Loads dropped DLL 1 IoCs

pid	Process
4040	PO 450400- 13720.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 queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO 450400- 13720.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO 450400- 13720.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO 450400- 13720.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO 450400- 13720.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.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
42	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 4040	4896	PO 450400- 13720.exe	90

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
4564	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4040	PO 450400- 13720.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4896	PO 450400- 13720.exe
4896	PO 450400- 13720.exe
4896	PO 450400- 13720.exe
4896	PO 450400- 13720.exe
4040	PO 450400- 13720.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	PO 450400- 13720.exe
Token: SeDebugPrivilege	4040	PO 450400- 13720.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4040	PO 450400- 13720.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4564	4896	PO 450400- 13720.exe	88
PID 4896 wrote to memory of 4564	4896	PO 450400- 13720.exe	88
PID 4896 wrote to memory of 4564	4896	PO 450400- 13720.exe	88
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90
PID 4896 wrote to memory of 4040	4896	PO 450400- 13720.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 450400- 13720.exe

C:\Users\Admin\AppData\Local\Temp\PO 450400- 13720.exe
"C:\Users\Admin\AppData\Local\Temp\PO 450400- 13720.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pIvyriTVKqho" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34CB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4564
- C:\Users\Admin\AppData\Local\Temp\PO 450400- 13720.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - 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:4040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 450400- 13720.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

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

Filesize
594KB

MD5
e81aeac387c5db32b7f9b07d15e788e0

SHA1
829be6eaf1cb0d82b2ddfc98272e1087f4a7a7c3

SHA256
44f31f99f048bfc5195937353b5207332e455bcd5a722bcfd32cacfd93f60f06

SHA512
cc6a96325a01c50c059706a1f4156f109e502ef9c0b0f5de209d1f52e7cc973cebc027f57ed988e9d1b8fca62746b60ee7430d608de95cdd0e5ac3cb61fbe32e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp34CB.tmp

Filesize
1KB

MD5
48d4b2a3fb6b7600dc004f386f87ac4f

SHA1
ad1a1b4599d059c67924b7a003454adecffe19c1

SHA256
6be09b112e9d5659fb4c3b97580744330db617e7404e111ba5208b7dfd8d2b8f

SHA512
8078d070ee5bc8c65a0bb50bb6b50006c82b4edc6761bcd0e9335e0d9afce78b068d49edd3a60d8adf814bc59baaa675474d69b047ee22f6206bb0deb2d0942d

Download Submit
memory/4040-165-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-141-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-700-0x0000000007A70000-0x0000000007AC0000-memory.dmp

Filesize
320KB

Download
memory/4040-167-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-171-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-699-0x0000000006450000-0x00000000064B6000-memory.dmp

Filesize
408KB

Download
memory/4040-169-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-143-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-145-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-147-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-149-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-151-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-153-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-155-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-157-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-159-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-161-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-163-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-201-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-199-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-197-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-138-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-173-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-175-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-177-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-179-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-181-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-183-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-185-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-187-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-189-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-191-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-193-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4040-195-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4896-134-0x000000000E760000-0x000000000E7FC000-memory.dmp

Filesize
624KB

Download
memory/4896-133-0x000000000AF90000-0x000000000AF9A000-memory.dmp

Filesize
40KB

Download
memory/4896-130-0x00000000009A0000-0x0000000000B7C000-memory.dmp

Filesize
1.9MB

Download
memory/4896-131-0x000000000B430000-0x000000000B9D4000-memory.dmp

Filesize
5.6MB

Download
memory/4896-132-0x000000000B020000-0x000000000B0B2000-memory.dmp

Filesize
584KB

Download