masslogger | 3fbdca77227ad15138cf04589592791319d2288361b56109fd627330cc7e98d6

Analysis

max time kernel
90s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
30-06-2022 19:26

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General

Target

REVISE ORDER.exe
Size

804KB
MD5

cf41831924a9e271522a59b8cfa7e9bc
SHA1

624d9d1ff349e8fddfb93dfb277c3f93d20cd625
SHA256

069f0dc72189e7faf5278aabd6ba9f53c386023f9d7d8ab863896e43f6a4e456
SHA512

562e01c7c9d935cab4b980407dc8955316bfd3acc61db304ab06df6e37dcccf9d77f0fb5c6907f4dfde751a5b4635879d1a34e7bb119fba0e1e32fd2abb6dedd

Score

10^/10

masslogger collection spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Whyworry90#

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.

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	REVISE ORDER.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	REVISE 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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	REVISE ORDER.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	REVISE ORDER.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	REVISE ORDER.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	REVISE ORDER.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE 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.

flow	ioc
22	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 1796	2600	REVISE ORDER.exe	89

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

pid	Process
3880	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1796	REVISE ORDER.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1796	REVISE ORDER.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	REVISE ORDER.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1796	REVISE ORDER.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 3880	2600	REVISE ORDER.exe	87
PID 2600 wrote to memory of 3880	2600	REVISE ORDER.exe	87
PID 2600 wrote to memory of 3880	2600	REVISE ORDER.exe	87
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89
PID 2600 wrote to memory of 1796	2600	REVISE ORDER.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	REVISE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\REVISE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\REVISE ORDER.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\upwkrGXGpc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0C7.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3880
- C:\Users\Admin\AppData\Local\Temp\REVISE ORDER.exe
  "C:\Users\Admin\AppData\Local\Temp\REVISE ORDER.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:1796

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\REVISE ORDER.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB0C7.tmp

Filesize
1KB

MD5
fd2f796fbc78c99446e49df186bdb74a

SHA1
13ef5dd9a9692a4449beffcb5647cb9fb2badfa7

SHA256
fca0a362e737a3a2281946da019edda0caf8ebfdab5a3154e3eab356ca9e9dd1

SHA512
0d5da761b7d6fc27516c2040e55951e383cc1de67534d6f75e3d281874f1d7be1c50bef61b3380f6622ff8f7362a1aa96c9fa6ff1c3ba361bfc391a531215e01

Download Submit
memory/1796-161-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-187-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-639-0x0000000008190000-0x00000000081E0000-memory.dmp

Filesize
320KB

Download
memory/1796-165-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-638-0x0000000006360000-0x00000000063C6000-memory.dmp

Filesize
408KB

Download
memory/1796-169-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-138-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-167-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-141-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-143-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-145-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-147-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-149-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-151-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-153-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-155-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-157-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-159-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-201-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-163-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-199-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-197-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-171-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-173-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-175-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-177-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-179-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-181-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-183-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-185-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-195-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-189-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-191-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/1796-193-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2600-133-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/2600-131-0x000000000AA80000-0x000000000B024000-memory.dmp

Filesize
5.6MB

Download
memory/2600-130-0x0000000000690000-0x0000000000760000-memory.dmp

Filesize
832KB

Download
memory/2600-132-0x000000000A4D0000-0x000000000A562000-memory.dmp

Filesize
584KB

Download
memory/2600-134-0x000000000C6F0000-0x000000000C78C000-memory.dmp

Filesize
624KB

Download