masslogger | f2588711afc1b16c4f38d252abf2268c8a361662389f1ff95684dc2399d080b5

Analysis

max time kernel
90s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 22:53

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General

Target

Order.exe
Size

1.0MB
MD5

7b2459b644d4ea1b82ec773d24b56b6a
SHA1

c9cf3e67a03e2c2bca50143208f116278fc81c0b
SHA256

e2ab08680d318e3e0f2f8160cc951bd7bd81ef966d2f29f35c3bc3111f224455
SHA512

8a2ea33d35466f791372ceb745ef405d9986590ac2b6bb9618562a0268be136f4982b7bcb9d2f228178ff5c1bafd5d01b70f5b1e852eb84d48e96cbb0662e802

Score

10^/10

masslogger collection evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\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 1:06:41 AM MassLogger Started: 5/21/2022 1:06:38 AM Interval: 9 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

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

MassLogger Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2792-138-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-141-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-143-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-145-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-147-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-149-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-151-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-153-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-155-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-157-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-159-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-161-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-163-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-165-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-167-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-169-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-171-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-173-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-175-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-177-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-179-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-181-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-183-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-185-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-187-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-189-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-191-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-193-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-195-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-197-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-199-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/2792-201-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger

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

Processes:

yara_rule

masslogger_log_file
Modifies visibility of file extensions in Explorer 2 TTPs
evasion

Hidden Files and Directories
T1158

Modify Registry
T1112

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:

Order.exeOrder.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Order.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Order.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:

Order.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order.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

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

Processes:

Order.exe

description pid process target process

PID 1912 set thread context of 2792 1912 Order.exe Order.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

2288 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Order.exe

pid process

2792 Order.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Order.exeOrder.exe

pid process

1912 Order.exe
1912 Order.exe
1912 Order.exe
1912 Order.exe
2792 Order.exe
2792 Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order.exeOrder.exe

description pid process

Token: SeDebugPrivilege 1912 Order.exe
Token: SeDebugPrivilege 2792 Order.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Order.exe

pid process

2792 Order.exe

flow	ioc
52	api.ipify.org

description	pid	process	target process
PID 1912 set thread context of 2792	1912	Order.exe	Order.exe

pid	process
2288	schtasks.exe

pid	process
2792	Order.exe

pid	process
1912	Order.exe
1912	Order.exe
1912	Order.exe
1912	Order.exe
2792	Order.exe
2792	Order.exe

description	pid	process
Token: SeDebugPrivilege	1912	Order.exe
Token: SeDebugPrivilege	2792	Order.exe

pid	process
2792	Order.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Order.exe

description	pid	process	target process
PID 1912 wrote to memory of 2288	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 2288	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 2288	1912	Order.exe	schtasks.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe
PID 1912 wrote to memory of 2792	1912	Order.exe	Order.exe

outlook_office_path 1 IoCs

Processes:

Order.exe

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

outlook_win_path 1 IoCs

Processes:

Order.exe

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	Order.exe

C:\Users\Admin\AppData\Local\Temp\Order.exe
"C:\Users\Admin\AppData\Local\Temp\Order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\usZbtivxdoEvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A93.tmp"
2⤵
- Creates scheduled task(s)
PID:2288

C:\Users\Admin\AppData\Local\Temp\Order.exe
"{path}"
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:2792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Hidden Files and Directories

T1158

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

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\Microsoft\CLR_v4.0_32\UsageLogs\Order.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5A93.tmp

Filesize
1KB

MD5
c4cef21b73575f7081aa3645adfe3c39

SHA1
aa54b66b2dc885b06a5bc2b33e2a0790961f2579

SHA256
7eef808cfbc67c299025cf6a7a3ea56cb46a0ac9e5843fb03846fa087e2c3780

SHA512
dd74bb9a095913e8bcbc148b7a2c1563c2545de6f777ba0213220e82e9ffe95c0e86e19dd674b0871ce40f4b2e80ad1b655ad31b7f0e3bdac07efe8271f369b3

Download Submit
memory/1912-131-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/1912-132-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/1912-133-0x0000000004F30000-0x0000000004F3A000-memory.dmp

Filesize
40KB

Download
memory/1912-134-0x0000000008C90000-0x0000000008D2C000-memory.dmp

Filesize
624KB

Download
memory/1912-130-0x0000000000130000-0x000000000023A000-memory.dmp

Filesize
1.0MB

Download
memory/2288-135-0x0000000000000000-mapping.dmp

Download
memory/2792-161-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-171-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-141-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-143-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-145-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-147-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-149-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-151-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-153-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-155-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-157-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-159-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-137-0x0000000000000000-mapping.dmp

Download
memory/2792-163-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-165-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-167-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-169-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-138-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-173-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-175-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-177-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-179-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-181-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-183-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-185-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-187-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-189-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-191-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-193-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-195-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-197-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-199-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-201-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2792-648-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/2792-649-0x0000000008990000-0x00000000089E0000-memory.dmp

Filesize
320KB

Download