masslogger | 8a32f65c4461c40f8f0f641c57c4fc7bec585dfc674138025c581079f1e5b7fe

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-05-2022 18:09

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General

Target

kmd.exe
Size

1.8MB
MD5

9906e3d9a42e2053405b72c9f85b0bad
SHA1

06d5be5ef404c61a41d15bab8351aed6fb9ab310
SHA256

13dd79b77c2ed2ba77d509e2d3b4621e83f7105674353f7e30930e07b099bce5
SHA512

ad23480af230afb2fb447aee7386da6b106bc2b375c2270b3803526cd7e83eb5cea59469dab9bc21c099d809389ebd8dc0176bb6a357b45e473d9b6774e4a062

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/0x0006000000022e12-695.dat	acprotect

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3112-130-0x0000000000400000-0x0000000000647000-memory.dmp	upx
behavioral2/memory/3112-133-0x0000000000400000-0x0000000000647000-memory.dmp	upx
behavioral2/files/0x0006000000022e12-695.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-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	kmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2344	kmd.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-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	kmd.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	kmd.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	kmd.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.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
27	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3112 set thread context of 2344	3112	kmd.exe	80

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3112	kmd.exe
3112	kmd.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3112	kmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	kmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 2344	3112	kmd.exe	80
PID 3112 wrote to memory of 2344	3112	kmd.exe	80
PID 3112 wrote to memory of 2344	3112	kmd.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kmd.exe

C:\Users\Admin\AppData\Local\Temp\kmd.exe
"C:\Users\Admin\AppData\Local\Temp\kmd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Users\Admin\AppData\Local\Temp\kmd.exe
  "C:\Users\Admin\AppData\Local\Temp\kmd.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2344

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/2344-166-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-142-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-132-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-168-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-136-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-172-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-140-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-170-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-144-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-146-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-148-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-150-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-152-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-154-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-156-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-158-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-160-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-162-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-164-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-701-0x0000000006EA0000-0x0000000006F3C000-memory.dmp

Filesize
624KB

Download
memory/2344-134-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-700-0x00000000069B0000-0x0000000006A00000-memory.dmp

Filesize
320KB

Download
memory/2344-138-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-174-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-176-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-178-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-180-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-182-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-184-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-186-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-188-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-190-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-192-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-194-0x0000000001090000-0x00000000011EE000-memory.dmp

Filesize
1.4MB

Download
memory/2344-696-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/2344-697-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/2344-698-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/2344-699-0x0000000006760000-0x000000000676A000-memory.dmp

Filesize
40KB

Download
memory/3112-133-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download
memory/3112-130-0x0000000000400000-0x0000000000647000-memory.dmp

Filesize
2.3MB

Download