masslogger | f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b

Analysis

max time kernel
118s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20/04/2022, 05:29

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General

Target

f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
Size

823KB
MD5

4c565dccf733ed8901e82def8c2f969a
SHA1

82aca8816554eb811653b169a009001e34ee86c2
SHA256

f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b
SHA512

92569fb9f98394612a345092f26b63dd94c75dc0d6d2cd750c899745b247cdfb59c4121af4fd16d38f8a44dafdd6a127b9cd0e9bf79c7b610d6688b14b9c8270

Score

10^/10

masslogger collection spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4484-137-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Executes dropped EXE 1 IoCs

pid	Process
4484	AddInProcess32.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	AddInProcess32.exe

Loads dropped DLL 1 IoCs

pid	Process
4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.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 42 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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
36	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4244 set thread context of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
4484	AddInProcess32.exe
4484	AddInProcess32.exe
4484	AddInProcess32.exe
3972	powershell.exe
3972	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
Token: SeTakeOwnershipPrivilege	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
Token: SeRestorePrivilege	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
Token: SeDebugPrivilege	4484	AddInProcess32.exe
Token: SeDebugPrivilege	3972	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4244 wrote to memory of 4484	4244	f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe	81
PID 4484 wrote to memory of 3972	4484	AddInProcess32.exe	83
PID 4484 wrote to memory of 3972	4484	AddInProcess32.exe	83
PID 4484 wrote to memory of 3972	4484	AddInProcess32.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe
"C:\Users\Admin\AppData\Local\Temp\f430a6438742117f61cf1f94d99833ef5ae225a3f718a7a25012ee8315dcbb8b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
  "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4484
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3972

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

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/3972-154-0x0000000004F25000-0x0000000004F27000-memory.dmp

Filesize
8KB

Download
memory/3972-152-0x0000000070640000-0x000000007068C000-memory.dmp

Filesize
304KB

Download
memory/3972-161-0x0000000007870000-0x0000000007878000-memory.dmp

Filesize
32KB

Download
memory/3972-160-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/3972-159-0x0000000007780000-0x000000000778E000-memory.dmp

Filesize
56KB

Download
memory/3972-158-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/3972-157-0x00000000075C0000-0x00000000075CA000-memory.dmp

Filesize
40KB

Download
memory/3972-156-0x0000000007550000-0x000000000756A000-memory.dmp

Filesize
104KB

Download
memory/3972-155-0x0000000007BA0000-0x000000000821A000-memory.dmp

Filesize
6.5MB

Download
memory/3972-143-0x0000000002940000-0x0000000002976000-memory.dmp

Filesize
216KB

Download
memory/3972-153-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/3972-148-0x0000000005380000-0x00000000053A2000-memory.dmp

Filesize
136KB

Download
memory/3972-151-0x0000000006810000-0x0000000006842000-memory.dmp

Filesize
200KB

Download
memory/3972-150-0x0000000006250000-0x000000000626E000-memory.dmp

Filesize
120KB

Download
memory/3972-149-0x0000000005B90000-0x0000000005BF6000-memory.dmp

Filesize
408KB

Download
memory/3972-147-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/4244-133-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/4244-130-0x00000000005A0000-0x0000000000674000-memory.dmp

Filesize
848KB

Download
memory/4244-131-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/4244-132-0x0000000005020000-0x0000000005064000-memory.dmp

Filesize
272KB

Download
memory/4244-135-0x00000000732C0000-0x0000000073349000-memory.dmp

Filesize
548KB

Download
memory/4484-146-0x0000000006460000-0x000000000646A000-memory.dmp

Filesize
40KB

Download
memory/4484-145-0x0000000006500000-0x000000000659C000-memory.dmp

Filesize
624KB

Download
memory/4484-144-0x0000000004FF3000-0x0000000004FF5000-memory.dmp

Filesize
8KB

Download
memory/4484-142-0x0000000006410000-0x0000000006460000-memory.dmp

Filesize
320KB

Download
memory/4484-140-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/4484-137-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download