masslogger | f5c8d2b0933f02befa8a92275b61c84da733d637bb7746b2c4a96b21086480eb

Analysis

max time kernel
121s
max time network
145s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 00:53

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General

Target

PRQ 010474.exe
Size

707KB
MD5

f7f798cefa93fa8f30af242b477b492d
SHA1

51255ed37b1c283d5680e2b2eedd8a6faee4a42e
SHA256

0ed172bf03053550d13affba533548544e35af09e7e01abd548648adf427e5c3
SHA512

9deaebc9c08f6855c5b3d878d27f0f79401af97ef15fcb1d4d6e4edcf20c51ba67c778463363b0fdeb9eec0aacdf257f8b4c17da9e8b7a12e9bea07d56be22b3

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\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 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:18:38 AM MassLogger Started: 5/21/2022 3:18:13 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PRQ 010474.exe MassLogger Melt: false MassLogger Exit after delivery: true As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.mkontakt.az
Port:
587
Username:
[email protected]
Password:
Onyeoba111

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
behavioral1/memory/1636-63-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-64-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-65-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-66-0x00000000004ABAAE-mapping.dmp	family_masslogger
behavioral1/memory/1636-68-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-70-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-72-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-74-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-76-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-78-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-80-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-82-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-84-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-86-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-88-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-90-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-92-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-94-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-96-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-98-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-100-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-102-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-104-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-106-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-108-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-110-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-114-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-112-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-116-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-118-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-120-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1636-122-0x0000000000400000-0x00000000004B0000-memory.dmp	family_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:

PRQ 010474.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	PRQ 010474.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:

PRQ 010474.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PRQ 010474.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PRQ 010474.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PRQ 010474.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PRQ 010474.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PRQ 010474.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PRQ 010474.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:

PRQ 010474.exe

description pid process target process

PID 1904 set thread context of 1636 1904 PRQ 010474.exe PRQ 010474.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PRQ 010474.exe

pid process

1636 PRQ 010474.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1904 set thread context of 1636	1904	PRQ 010474.exe	PRQ 010474.exe

pid	process
1636	PRQ 010474.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

PRQ 010474.exePRQ 010474.exe

pid	process
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1904	PRQ 010474.exe
1636	PRQ 010474.exe
1636	PRQ 010474.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PRQ 010474.exePRQ 010474.exe

description pid process

Token: SeDebugPrivilege 1904 PRQ 010474.exe
Token: SeDebugPrivilege 1636 PRQ 010474.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PRQ 010474.exe

pid process

1636 PRQ 010474.exe

description	pid	process
Token: SeDebugPrivilege	1904	PRQ 010474.exe
Token: SeDebugPrivilege	1636	PRQ 010474.exe

pid	process
1636	PRQ 010474.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PRQ 010474.exe

description	pid	process	target process
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe
PID 1904 wrote to memory of 1636	1904	PRQ 010474.exe	PRQ 010474.exe

outlook_office_path 1 IoCs

Processes:

PRQ 010474.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe

outlook_win_path 1 IoCs

Processes:

PRQ 010474.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRQ 010474.exe

C:\Users\Admin\AppData\Local\Temp\PRQ 010474.exe
"C:\Users\Admin\AppData\Local\Temp\PRQ 010474.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\PRQ 010474.exe
  "C:\Users\Admin\AppData\Local\Temp\PRQ 010474.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:1636

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/1636-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-106-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-582-0x0000000000AB0000-0x0000000000AC4000-memory.dmp

Filesize
80KB

Download
memory/1636-86-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-579-0x00000000004B0000-0x00000000004F4000-memory.dmp

Filesize
272KB

Download
memory/1636-122-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-60-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-64-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-65-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-66-0x00000000004ABAAE-mapping.dmp

Download
memory/1636-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-72-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-88-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-80-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-82-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-581-0x00000000046F5000-0x0000000004706000-memory.dmp

Filesize
68KB

Download
memory/1636-120-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-74-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-90-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-92-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-94-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-96-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-98-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-100-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-102-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-104-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-118-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-108-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-110-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-114-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-112-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1636-116-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1904-55-0x0000000074F91000-0x0000000074F93000-memory.dmp

Filesize
8KB

Download
memory/1904-57-0x0000000004480000-0x0000000004524000-memory.dmp

Filesize
656KB

Download
memory/1904-59-0x0000000000600000-0x0000000000608000-memory.dmp

Filesize
32KB

Download
memory/1904-58-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download
memory/1904-54-0x0000000000B70000-0x0000000000C28000-memory.dmp

Filesize
736KB

Download
memory/1904-56-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download