masslogger | ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b

Analysis

max time kernel
84s
max time network
152s
platform
windows7_x64
resource
win7-20220414-en
submitted
16-05-2022 12:52

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General

Target

ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Size

809KB
MD5

734692ac2adc2fab6b0574abab62949e
SHA1

e88d3050e9edb381bb40842c8ebe1a1bb27efe3c
SHA256

ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b
SHA512

953378a6fdf8d636a7277b113c558df0c91363cd87791804ba27f4aec0f2deda43f6969683958d0edec31d0555a48788f795e29b628ac9177d36c9b1c4d57f8d

Score

10^/10

masslogger collection spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.izgikrom.com
Port:
587
Username:
[email protected]
Password:
Krom544725

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/1284-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1284-65-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1284-66-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1284-67-0x0000000000481C9E-mapping.dmp	family_masslogger
behavioral1/memory/1284-69-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1284-71-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

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-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.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 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.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 1972 set thread context of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30

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
1108	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
Token: SeDebugPrivilege	1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1284	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1108	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	27
PID 1972 wrote to memory of 1108	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	27
PID 1972 wrote to memory of 1108	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	27
PID 1972 wrote to memory of 1108	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	27
PID 1972 wrote to memory of 1416	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	29
PID 1972 wrote to memory of 1416	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	29
PID 1972 wrote to memory of 1416	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	29
PID 1972 wrote to memory of 1416	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	29
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30
PID 1972 wrote to memory of 1284	1972	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe

C:\Users\Admin\AppData\Local\Temp\ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
"C:\Users\Admin\AppData\Local\Temp\ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zJWeRCsAgdh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37A5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1108
- C:\Users\Admin\AppData\Local\Temp\ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.exe
  "{path}"
  2⤵
  PID:1416
- C:\Users\Admin\AppData\Local\Temp\ec551b4d1cea1117f5749502f290a4afdb193a66c93bb700ce7e6fc58985184b.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:1284

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp37A5.tmp

Filesize
1KB

MD5
70b392280c37ec24f9830a37770ee363

SHA1
21f94ee983163c43b597bfe473f7c89f3fb3fa74

SHA256
1c7f283485d41ad10dd7124e1f687136be2faf0bca8fce09d7e865d73a28295b

SHA512
996c9fbf60c82d5ea5abe65e8135a7926e68b974a5e55e96a955fb3458315000587fd06392ec2eb7e7065290aca5a0d7a6c6a4af9117b79cb8a6837bf189d269

Download Submit
memory/1284-69-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1284-75-0x0000000006050000-0x00000000060E0000-memory.dmp

Filesize
576KB

Download
memory/1284-74-0x0000000000DC0000-0x0000000000DFE000-memory.dmp

Filesize
248KB

Download
memory/1284-73-0x0000000000C15000-0x0000000000C26000-memory.dmp

Filesize
68KB

Download
memory/1284-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1284-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1284-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1284-65-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1284-66-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1284-71-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1972-55-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1972-54-0x00000000010A0000-0x0000000001170000-memory.dmp

Filesize
832KB

Download
memory/1972-57-0x0000000005A00000-0x0000000005A98000-memory.dmp

Filesize
608KB

Download
memory/1972-56-0x0000000000910000-0x0000000000922000-memory.dmp

Filesize
72KB

Download
memory/1972-58-0x0000000007F20000-0x0000000007FB8000-memory.dmp

Filesize
608KB

Download