masslogger | 84b16561275c32c677e704e8fad8188bc020eb936e41fbab448a4ff333d83d84

General

Target

BANK SLIP.exe
Size

809KB
MD5

20bbb3601fca04cd5c8b094a111805eb
SHA1

be8af1891ecdb1d472499374f2c03e9d8f097a43
SHA256

bc13ffa3b767641ff58d98c8df48167b55c45fb97335b4819c4af8a57af47ff1
SHA512

568968ce44c141e9b4db9b20fff428f62fbedf21bf80d2853347d8a20330f934d23defcc679281221a5660c90849659ae409d1f57f4ef6341cf292e59d794469

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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 5:59:39 AM MassLogger Started: 5/21/2022 5:59:25 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\BANK SLIP.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 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 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

BANK SLIP.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	BANK SLIP.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 15 IoCs

collection

Email Collection

T1114

Processes:

BANK SLIP.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	BANK SLIP.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	BANK SLIP.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	BANK SLIP.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	BANK SLIP.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	BANK SLIP.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	BANK SLIP.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.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

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

Processes:

BANK SLIP.exe

description pid process target process

PID 756 set thread context of 2032 756 BANK SLIP.exe BANK SLIP.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

BANK SLIP.exeBANK SLIP.exe

pid process

756 BANK SLIP.exe
756 BANK SLIP.exe
2032 BANK SLIP.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BANK SLIP.exeBANK SLIP.exe

description pid process

Token: SeDebugPrivilege 756 BANK SLIP.exe
Token: SeDebugPrivilege 2032 BANK SLIP.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 756 set thread context of 2032	756	BANK SLIP.exe	BANK SLIP.exe

pid	process
756	BANK SLIP.exe
756	BANK SLIP.exe
2032	BANK SLIP.exe

description	pid	process
Token: SeDebugPrivilege	756	BANK SLIP.exe
Token: SeDebugPrivilege	2032	BANK SLIP.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

BANK SLIP.exe

description	pid	process	target process
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe
PID 756 wrote to memory of 2032	756	BANK SLIP.exe	BANK SLIP.exe

outlook_office_path 1 IoCs

Processes:

BANK SLIP.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe

outlook_win_path 1 IoCs

Processes:

BANK SLIP.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK SLIP.exe

C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe
"C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\BANK SLIP.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:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/756-54-0x0000000001120000-0x00000000011F0000-memory.dmp

Filesize
832KB

Download
memory/756-55-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/756-56-0x0000000001010000-0x0000000001092000-memory.dmp

Filesize
520KB

Download
memory/756-57-0x0000000004F80000-0x000000000500E000-memory.dmp

Filesize
568KB

Download
memory/2032-58-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-59-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-61-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-62-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-63-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-64-0x00000000004894CE-mapping.dmp

Download
memory/2032-66-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-68-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2032-69-0x0000000000490000-0x00000000004D4000-memory.dmp

Filesize
272KB

Download
memory/2032-70-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/2032-71-0x00000000005B0000-0x00000000005C4000-memory.dmp

Filesize
80KB

Download
memory/2032-72-0x00000000006E5000-0x00000000006F6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads