masslogger | 54cb28a794d4dd8d4296b0ca070eb2afd1154f4a8ead7aec7dc0066ec62f06a6

Analysis

max time kernel
172s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 01:37

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General

Target

x2KDOSVNRiSbYcK.exe
Size

871KB
MD5

23623b167a6e271b89f266cda6f4d308
SHA1

b8f5846cf059451256cf6d25f804588651a4b04b
SHA256

8a3dd3eb355760a77c7bd89e2316c7741e37f9b20435a23d144e58ba856bd7c7
SHA512

11830c8366ec005b3439c9b9bf4de62db61d44d0c296b9d91a2c3705fa2f3454abd84bc1a711f55db2926c89f6556c3751e4af292e4cfe0456038886552fe760

Score

10^/10

masslogger collection spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
requestShow@

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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

x2KDOSVNRiSbYcK.exex2KDOSVNRiSbYcK.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	x2KDOSVNRiSbYcK.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	x2KDOSVNRiSbYcK.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:

x2KDOSVNRiSbYcK.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	x2KDOSVNRiSbYcK.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	x2KDOSVNRiSbYcK.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	x2KDOSVNRiSbYcK.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.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

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

Processes:

x2KDOSVNRiSbYcK.exe

description pid process target process

PID 5092 set thread context of 5028 5092 x2KDOSVNRiSbYcK.exe x2KDOSVNRiSbYcK.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

4512 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

pid process

5028 x2KDOSVNRiSbYcK.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

pid process

5028 x2KDOSVNRiSbYcK.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

description pid process

Token: SeDebugPrivilege 5028 x2KDOSVNRiSbYcK.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

pid process

5028 x2KDOSVNRiSbYcK.exe

flow	ioc
70	api.ipify.org

description	pid	process	target process
PID 5092 set thread context of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe

pid	process
4512	schtasks.exe

pid	process
5028	x2KDOSVNRiSbYcK.exe

pid	process
5028	x2KDOSVNRiSbYcK.exe

description	pid	process
Token: SeDebugPrivilege	5028	x2KDOSVNRiSbYcK.exe

pid	process
5028	x2KDOSVNRiSbYcK.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

description	pid	process	target process
PID 5092 wrote to memory of 4512	5092	x2KDOSVNRiSbYcK.exe	schtasks.exe
PID 5092 wrote to memory of 4512	5092	x2KDOSVNRiSbYcK.exe	schtasks.exe
PID 5092 wrote to memory of 4512	5092	x2KDOSVNRiSbYcK.exe	schtasks.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe
PID 5092 wrote to memory of 5028	5092	x2KDOSVNRiSbYcK.exe	x2KDOSVNRiSbYcK.exe

outlook_office_path 1 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe

outlook_win_path 1 IoCs

Processes:

x2KDOSVNRiSbYcK.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x2KDOSVNRiSbYcK.exe

C:\Users\Admin\AppData\Local\Temp\x2KDOSVNRiSbYcK.exe
"C:\Users\Admin\AppData\Local\Temp\x2KDOSVNRiSbYcK.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IWRsxzh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp132A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4512
- C:\Users\Admin\AppData\Local\Temp\x2KDOSVNRiSbYcK.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:5028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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\Microsoft\CLR_v4.0_32\UsageLogs\x2KDOSVNRiSbYcK.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp132A.tmp

Filesize
1KB

MD5
0e04bdaea305e6b53ebd94a9a569a59a

SHA1
0e5a2cc9f420f9eefc6f0a709281180976a739ff

SHA256
5a2f7973b586f1210a05a2fa9484fbc9f62fa578af3721f71759cea4de301bc5

SHA512
bb26dfaaefea46648c631d1ab3879251d944fa0524d8e2f880fed4fcf82890f2dd1bd6c72a8e3ddab2682a2a68a1dcd097be09dc08f05439b0230e31bd459ba3

Download Submit
memory/4512-135-0x0000000000000000-mapping.dmp

Download
memory/5028-143-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-201-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-639-0x0000000007CB0000-0x0000000007D00000-memory.dmp

Filesize
320KB

Download
memory/5028-638-0x0000000006780000-0x00000000067E6000-memory.dmp

Filesize
408KB

Download
memory/5028-137-0x0000000000000000-mapping.dmp

Download
memory/5028-187-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-141-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-145-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-149-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-153-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-151-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-161-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-159-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-163-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-157-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-155-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-147-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-167-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-138-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-189-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-193-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-169-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-173-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-179-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-177-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-183-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-181-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-175-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-171-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-185-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-191-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-197-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-195-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-199-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5028-165-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5092-130-0x0000000000BD0000-0x0000000000CB0000-memory.dmp

Filesize
896KB

Download
memory/5092-134-0x00000000092A0000-0x000000000933C000-memory.dmp

Filesize
624KB

Download
memory/5092-131-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/5092-132-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/5092-133-0x0000000005660000-0x000000000566A000-memory.dmp

Filesize
40KB

Download