masslogger | b8c1012ee15a746b67962168115e165e638c337d2fa305741b57752218827d7e

Analysis

max time kernel
101s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21/05/2022, 11:15 UTC

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RFQ #0605176.exe
Size

1.4MB
MD5

c711fc1c2e67bfa34d1117e526365033
SHA1

842f0492db652ad8da1553b98240a5dd0a439de2
SHA256

3027dc21e325fddbc9e6cd21b0491f3270190f219776de4971e510c4490d3c25
SHA512

95e1628a6249fe7a0059f699c4e61a6f132c67c76c669056ecb37d36afc11e88d3f1cddcc5c7d72763c3f32f137c4b22c21231197c9078229265a04ed6d9db8b

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F293CD6622\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:35:03 PM MassLogger Started: 5/21/2022 1:34:52 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe As Administrator: True

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
m4cfund@yandex.com
Password:
Dmacdavid

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

Executes dropped EXE 1 IoCs

pid	Process
4720	InstallUtil.exe

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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	InstallUtil.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 queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	InstallUtil.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
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5016 set thread context of 4720	5016	RFQ #0605176.exe	78

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4720	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
5016	RFQ #0605176.exe
5016	RFQ #0605176.exe
5016	RFQ #0605176.exe
5016	RFQ #0605176.exe
5016	RFQ #0605176.exe
5016	RFQ #0605176.exe
4720	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	RFQ #0605176.exe
Token: SeDebugPrivilege	4720	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4720	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78
PID 5016 wrote to memory of 4720	5016	RFQ #0605176.exe	78

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Executes dropped EXE
  - 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:4720

Network

DNS

api.ipify.org

InstallUtil.exe

Remote address:

8.8.8.8:53

Request

api.ipify.org

IN A

Response

api.ipify.org

IN CNAME

api.ipify.org.herokudns.com

api.ipify.org.herokudns.com

IN A

54.91.59.199

api.ipify.org.herokudns.com

IN A

52.20.78.240

api.ipify.org.herokudns.com

IN A

3.220.57.224

api.ipify.org.herokudns.com

IN A

3.232.242.170
GET

http://api.ipify.org/

InstallUtil.exe

Remote address:

54.91.59.199:80

Request

GET / HTTP/1.1
Host: api.ipify.org
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Server: Cowboy
Connection: keep-alive
Content-Type: text/plain
Vary: Origin
Date: Sat, 21 May 2022 11:34:58 GMT
Content-Length: 12
Via: 1.1 vegur
DNS

15.89.54.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.89.54.20.in-addr.arpa

IN PTR

Response
DNS

smtp.yandex.com

InstallUtil.exe

Remote address:

8.8.8.8:53

Request

smtp.yandex.com

IN A

Response

smtp.yandex.com

IN CNAME

smtp.yandex.ru

smtp.yandex.ru

IN A

77.88.21.158

104.110.191.133:80

322 B
7
104.110.191.133:80

322 B
7
20.42.73.26:443

322 B
7
92.123.143.240:80

322 B
7
92.123.143.240:80

322 B
7
92.123.143.240:80

322 B
7
54.91.59.199:80

http://api.ipify.org/

http

InstallUtil.exe

293 B
316 B
5
3

HTTP Request

GET http://api.ipify.org/

HTTP Response

200
77.88.21.158:587

smtp.yandex.com

smtp-submission

InstallUtil.exe

1.4kB
6.3kB
19
15

8.8.8.8:53

api.ipify.org

dns

InstallUtil.exe

59 B
164 B
1
1

DNS Request

api.ipify.org

DNS Response

54.91.59.199

52.20.78.240

3.220.57.224

3.232.242.170
8.8.8.8:53

15.89.54.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

15.89.54.20.in-addr.arpa
8.8.8.8:53

smtp.yandex.com

dns

InstallUtil.exe

61 B
105 B
1
1

DNS Request

smtp.yandex.com

DNS Response

77.88.21.158

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
memory/4720-166-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-168-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-170-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-136-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-646-0x00000000080D0000-0x000000000816C000-memory.dmp

Filesize
624KB

Download
memory/4720-645-0x0000000007FE0000-0x0000000008030000-memory.dmp

Filesize
320KB

Download
memory/4720-140-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-142-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-144-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-146-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-148-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-150-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-152-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-154-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-156-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-158-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-160-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-162-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-164-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-644-0x0000000006710000-0x000000000671A000-memory.dmp

Filesize
40KB

Download
memory/4720-643-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/4720-200-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-172-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-174-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-176-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-178-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-180-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-182-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-184-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-186-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-188-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-190-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-192-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-194-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-196-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4720-198-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/5016-134-0x0000000005830000-0x00000000058C2000-memory.dmp

Filesize
584KB

Download
memory/5016-130-0x0000000000A10000-0x0000000000B44000-memory.dmp

Filesize
1.2MB

Download
memory/5016-132-0x0000000005740000-0x0000000005784000-memory.dmp

Filesize
272KB

Download
memory/5016-131-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/5016-133-0x00000000053C0000-0x00000000053E2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

We care about your privacy.