masslogger | 6e8d5f2efa0d7a26b6e1adbfc706b33f6b8ff84021558465a1692da0c165a239

Analysis

max time kernel
125s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 02:47

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General

Target

scan00465.pdf.exe
Size

1.1MB
MD5

6689c734a79172a09227598c7befc88c
SHA1

245ff8f832b627de99615d7b6396883c4abfbf13
SHA256

1583e4f9d42db06490a42d0a0fe911a0e4d390ad07b9b8f2d8245e675dff0a33
SHA512

7bbea317fb7c3c593390b12b9161d2baca584bad32ef7bdc754219b3c04b6ca08c2e82bf55907b9a4e9d026e55180b977430bc791130c05ef789d3f55125d0d2

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 6:15:09 AM MassLogger Started: 5/21/2022 6:15:06 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.saritatravels.com
Port:
587
Username:
[email protected]
Password:
sumits%$321

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.

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

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

Processes:

scan00465.pdf.exescan00465.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	scan00465.pdf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	scan00465.pdf.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

Processes:

scan00465.pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	scan00465.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	scan00465.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	scan00465.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	scan00465.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	scan00465.pdf.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

47 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

scan00465.pdf.exe

description pid process target process

PID 4200 set thread context of 4652 4200 scan00465.pdf.exe scan00465.pdf.exe
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

Processes:

schtasks.exe

pid process

2188 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

scan00465.pdf.exescan00465.pdf.exe

pid process

4200 scan00465.pdf.exe
4652 scan00465.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

scan00465.pdf.exescan00465.pdf.exe

description pid process

Token: SeDebugPrivilege 4200 scan00465.pdf.exe
Token: SeDebugPrivilege 4652 scan00465.pdf.exe

flow	ioc
47	api.ipify.org

description	pid	process	target process
PID 4200 set thread context of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe

pid	process
2188	schtasks.exe

pid	process
4200	scan00465.pdf.exe
4652	scan00465.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4200	scan00465.pdf.exe
Token: SeDebugPrivilege	4652	scan00465.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

scan00465.pdf.exe

description	pid	process	target process
PID 4200 wrote to memory of 2188	4200	scan00465.pdf.exe	schtasks.exe
PID 4200 wrote to memory of 2188	4200	scan00465.pdf.exe	schtasks.exe
PID 4200 wrote to memory of 2188	4200	scan00465.pdf.exe	schtasks.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe
PID 4200 wrote to memory of 4652	4200	scan00465.pdf.exe	scan00465.pdf.exe

outlook_office_path 1 IoCs

Processes:

scan00465.pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe

outlook_win_path 1 IoCs

Processes:

scan00465.pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	scan00465.pdf.exe

C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bycmYDDQAzBI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp402.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2188
- C:\Users\Admin\AppData\Local\Temp\scan00465.pdf.exe
  "{path}"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4652

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp402.tmp

Filesize
1KB

MD5
bac7cdda65e28604143b97685d5f8b00

SHA1
0903f1cc68133aa48ca54c08e0087d30eec6a6ab

SHA256
079dd83dae43f6b351b52db9ac546204b352049f4671829b0b1eb576bcf264cf

SHA512
a920dd8c0137303f7de629204a17b0b52af1bf982ccdffa4c4f55335e8e7e1ffe792772aa1be04013b441195e7c3391fee0207379b700bae462c80439a1d82c4

Download Submit
memory/2188-135-0x0000000000000000-mapping.dmp

Download
memory/4200-130-0x0000000000730000-0x0000000000846000-memory.dmp

Filesize
1.1MB

Download
memory/4200-131-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/4200-132-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/4200-133-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/4200-134-0x00000000089F0000-0x0000000008A8C000-memory.dmp

Filesize
624KB

Download
memory/4652-162-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-170-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-140-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-142-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-144-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-146-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-148-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-150-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-152-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-154-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-156-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-158-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-160-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-137-0x0000000000000000-mapping.dmp

Download
memory/4652-164-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-166-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-168-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-138-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-172-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-174-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-176-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-178-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-180-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-182-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-184-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-186-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-188-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-190-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-192-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-194-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-196-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-198-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-200-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4652-649-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/4652-650-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download