masslogger | 63b9e6777bac66b18161ccfe8fa2edcca139c41546f17d9adaa19670a6f13f2e

Analysis

max time kernel
55s
max time network
115s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 00:57

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General

Target

Order List Ref.exe
Size

937KB
MD5

f748102b28fc5ee9cf60dede96045339
SHA1

23cb3c7476b0eb18180524f707d9c816f75a9dd9
SHA256

21e24dd09fbda231081888702ec13d7e371470c6ecd104fa3b0a0f3743f0a254
SHA512

6e5fae9db68d76ced574a78ae675817f744103e8737d43fef889245e9595036e995d476755731ca510004fef3fb18fd1fdb84291de52ee381b596734f7adb024

Score

10^/10

masslogger agilenet collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:21:48 AM MassLogger Started: 5/21/2022 1:21:41 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Signatures

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

MassLogger Main Payload 6 IoCs

resource	yara_rule
behavioral1/memory/632-62-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/632-63-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/632-64-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/632-65-0x00000000004B2BDE-mapping.dmp	family_masslogger
behavioral1/memory/632-67-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/632-69-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

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-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	Order List Ref.exe

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/1396-57-0x0000000000400000-0x0000000000410000-memory.dmp	agile_net
behavioral1/memory/1396-58-0x0000000000490000-0x00000000004A2000-memory.dmp	agile_net

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 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1396 set thread context of 632	1396	Order List Ref.exe	30

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
632	Order List Ref.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
1396	Order List Ref.exe
632	Order List Ref.exe
632	Order List Ref.exe
632	Order List Ref.exe
632	Order List Ref.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1396	Order List Ref.exe
Token: SeDebugPrivilege	632	Order List Ref.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
632	Order List Ref.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 1148	1396	Order List Ref.exe	27
PID 1396 wrote to memory of 1148	1396	Order List Ref.exe	27
PID 1396 wrote to memory of 1148	1396	Order List Ref.exe	27
PID 1396 wrote to memory of 1148	1396	Order List Ref.exe	27
PID 1396 wrote to memory of 1140	1396	Order List Ref.exe	28
PID 1396 wrote to memory of 1140	1396	Order List Ref.exe	28
PID 1396 wrote to memory of 1140	1396	Order List Ref.exe	28
PID 1396 wrote to memory of 1140	1396	Order List Ref.exe	28
PID 1396 wrote to memory of 1252	1396	Order List Ref.exe	29
PID 1396 wrote to memory of 1252	1396	Order List Ref.exe	29
PID 1396 wrote to memory of 1252	1396	Order List Ref.exe	29
PID 1396 wrote to memory of 1252	1396	Order List Ref.exe	29
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30
PID 1396 wrote to memory of 632	1396	Order List Ref.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order List Ref.exe

C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe
"C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe"
  2⤵
  PID:1148
- C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe"
  2⤵
  PID:1140
- C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe"
  2⤵
  PID:1252
- C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Order List Ref.exe"
  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:632

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

memory/632-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/632-72-0x0000000004E85000-0x0000000004E96000-memory.dmp

Filesize
68KB

Download
memory/632-70-0x0000000002060000-0x00000000020D8000-memory.dmp

Filesize
480KB

Download
memory/632-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/632-59-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/632-67-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/632-63-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/632-60-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/632-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1396-54-0x00000000002F0000-0x00000000003E0000-memory.dmp

Filesize
960KB

Download
memory/1396-55-0x0000000004980000-0x0000000004A5A000-memory.dmp

Filesize
872KB

Download
memory/1396-58-0x0000000000490000-0x00000000004A2000-memory.dmp

Filesize
72KB

Download
memory/1396-57-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1396-56-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download