masslogger | ff4ed39c61c2f035b7891a1e3b0302a8a2a68ecd63ff07422f35bc92fc4fd868

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 22:36

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General

Target

PO28466311.exe
Size

1.2MB
MD5

052f8ea1a01cb3a6b7df01bfd3868601
SHA1

2f75dafd4572c02109d275268534f4935babbe4e
SHA256

2c7ac0a31c8828ec11ad0c9dd80f8809fb1248f5c36b6b34d8c9974aa8ecaa06
SHA512

f082bdc3eaa1e0383c274aadb03e6c01e0591020cb4107cd072c80fe24e76afafddc4a535a676269efc2c4d3808d7d09faded812211a8e214dec064c02fefe29
SSDEEP

12288:oS1QbvgWK5WpLzkQgEuWjzikA1SNuD4cFwJEV6Q576QpVu6kxuCj9Rm:hQbvxaWuQgEfzi1DdFwGBdpUxuCjHm

Score

10^/10

masslogger agilenet 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
behavioral1/memory/2904-183-0x0000000000400000-0x00000000004C0000-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-1-5-21-2248906074-2862704502-246302768-1000\Control Panel\International\Geo\Nation	PO28466311.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	PO28466311.exe

Obfuscated with Agile.Net obfuscator 33 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/2372-2-0x00000000005C0000-0x00000000005E8000-memory.dmp	agile_net
behavioral1/memory/2372-50-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-62-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-34-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-72-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-70-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-68-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-66-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-64-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-60-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-58-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-56-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-54-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-52-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-48-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-46-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-44-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-42-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-40-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-38-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-36-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-32-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-30-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-28-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-26-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-24-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-22-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-20-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-18-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-16-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-14-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-12-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net
behavioral1/memory/2372-11-0x00000000005C0000-0x00000000005E1000-memory.dmp	agile_net

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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO28466311.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.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 2372 set thread context of 2904	2372	PO28466311.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2904	PO28466311.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2372	PO28466311.exe
2372	PO28466311.exe
2372	PO28466311.exe
2904	PO28466311.exe
2904	PO28466311.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	PO28466311.exe
Token: SeDebugPrivilege	2904	PO28466311.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2904	PO28466311.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28
PID 2372 wrote to memory of 2904	2372	PO28466311.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO28466311.exe

C:\Users\Admin\AppData\Local\Temp\PO28466311.exe
"C:\Users\Admin\AppData\Local\Temp\PO28466311.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\PO28466311.exe
  "C:\Users\Admin\AppData\Local\Temp\PO28466311.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:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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

\Users\Admin\AppData\Local\Temp\c08e67e7-d17e-42f4-84a8-059771d01a58\AgileDotNetRT.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/2372-36-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-12-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-3-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-1-0x0000000000E50000-0x0000000000F86000-memory.dmp

Filesize
1.2MB

Download
memory/2372-50-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-62-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-34-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-72-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-70-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-68-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-66-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-64-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-60-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-58-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-38-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-54-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-52-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-48-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-46-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-44-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-42-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-40-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-56-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-187-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-16-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-30-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-28-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-26-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-24-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-22-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-20-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-18-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-32-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-14-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-2-0x00000000005C0000-0x00000000005E8000-memory.dmp

Filesize
160KB

Download
memory/2372-11-0x00000000005C0000-0x00000000005E1000-memory.dmp

Filesize
132KB

Download
memory/2372-10-0x0000000074070000-0x00000000740F0000-memory.dmp

Filesize
512KB

Download
memory/2372-169-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/2372-170-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-171-0x0000000000A20000-0x0000000000A2A000-memory.dmp

Filesize
40KB

Download
memory/2372-0-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/2904-186-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-183-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2904-184-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-185-0x0000000000CD0000-0x0000000000D48000-memory.dmp

Filesize
480KB

Download
memory/2904-188-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-189-0x0000000000B10000-0x0000000000B24000-memory.dmp

Filesize
80KB

Download
memory/2904-201-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download