masslogger | 60b290310f67adb0ae186b4b938ca466a6b55653b2519261fa425127f5500a1f

Resubmissions

21-06-2024 19:37

240621-yca7cszgnd 10

09-06-2024 17:07

13-05-2024 17:36

12-05-2024 17:17

12-05-2024 16:15

10-05-2024 18:05

10-05-2024 17:48

Analysis

max time kernel
137s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 16:15

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General

Target

Stealers/Masslogger/mouse_2.exe
Size

984KB
MD5

af8ab92992ccc4cc6a637953836edf93
SHA1

ac17c77cae31fdfeb618b0083285ba869baf29fc
SHA256

03968a3a5a7a880feefca31686fcfbed445080a0c06eda2b6d623757179b782c
SHA512

9dc3bdfe45f9333d62ef3b0aaf3860a9ef1e94ced02ed0437d3ac2f96b3b9aacf6e621703f13d62f356bd50dec84cc3a3dc787a8a14c9ce0ceeed9ff63c45ad2
SSDEEP

24576:iNg+tKkEYA7Gmvv/HGsvPw9vz/DrELE7VUH:0g4K7YA7vvRMbcLa

Score

10^/10

masslogger zgrat collection rat rezer0 spyware stealer

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource yara_rule

behavioral24/memory/5072-15-0x0000000000400000-0x00000000004A8000-memory.dmp family_zgrat_v1
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger
MassLogger Main payload 1 IoCs

Processes:

resource yara_rule

behavioral24/memory/5072-15-0x0000000000400000-0x00000000004A8000-memory.dmp family_masslogger
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
rezer0

Processes:

resource yara_rule

behavioral24/memory/4536-11-0x0000000006550000-0x00000000065FE000-memory.dmp rezer0

resource	yara_rule
behavioral24/memory/5072-15-0x0000000000400000-0x00000000004A8000-memory.dmp	family_zgrat_v1

resource	yara_rule
behavioral24/memory/5072-15-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

resource	yara_rule
behavioral24/memory/4536-11-0x0000000006550000-0x00000000065FE000-memory.dmp	rezer0

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

Processes:

mouse_2.exemouse_2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	mouse_2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	mouse_2.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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs

collection

Email Collection

T1114

Processes:

mouse_2.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mouse_2.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.

Processes:

flow ioc

50 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

mouse_2.exe

description pid process target process

PID 4536 set thread context of 5072 4536 mouse_2.exe mouse_2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

4864 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

mouse_2.exe

pid process

5072 mouse_2.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

mouse_2.exemouse_2.exe

pid process

4536 mouse_2.exe
4536 mouse_2.exe
4536 mouse_2.exe
5072 mouse_2.exe
5072 mouse_2.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mouse_2.exemouse_2.exe

description pid process

Token: SeDebugPrivilege 4536 mouse_2.exe
Token: SeDebugPrivilege 5072 mouse_2.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

mouse_2.exe

pid process

5072 mouse_2.exe

flow	ioc
50	api.ipify.org

description	pid	process	target process
PID 4536 set thread context of 5072	4536	mouse_2.exe	mouse_2.exe

pid	process
4864	schtasks.exe

pid	process
5072	mouse_2.exe

pid	process
4536	mouse_2.exe
4536	mouse_2.exe
4536	mouse_2.exe
5072	mouse_2.exe
5072	mouse_2.exe

description	pid	process
Token: SeDebugPrivilege	4536	mouse_2.exe
Token: SeDebugPrivilege	5072	mouse_2.exe

pid	process
5072	mouse_2.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

mouse_2.exe

description	pid	process	target process
PID 4536 wrote to memory of 4864	4536	mouse_2.exe	schtasks.exe
PID 4536 wrote to memory of 4864	4536	mouse_2.exe	schtasks.exe
PID 4536 wrote to memory of 4864	4536	mouse_2.exe	schtasks.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe
PID 4536 wrote to memory of 5072	4536	mouse_2.exe	mouse_2.exe

outlook_office_path 1 IoCs

Processes:

mouse_2.exe

description ioc process

Key queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mouse_2.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe

outlook_win_path 1 IoCs

Processes:

mouse_2.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe

C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe
"C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EA1.tmp"
2⤵
- Creates scheduled task(s)
PID:4864

C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.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:5072

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\mouse_2.exe.log
Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7EA1.tmp
Filesize
1KB

MD5
a778d0d30e849e159aefd86aefe34894

SHA1
92f080363ebd56429c62aec0d49351aa46bc0e1c

SHA256
8a61a6df863b1c5be5bf3faf72e9636ec6c58ceb7c0512aa0b8b12fa688b11d1

SHA512
588ae5f990195e4e2d9052b840087cfc81558f8bd44edec024a87bd50d4a3fd916970752d90eb4d4928f1110ac5cd9c45acff4f9b7c302fc50f360d45bac24a2

Download Submit
memory/4536-6-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/4536-4-0x000000000AED0000-0x000000000AF62000-memory.dmp

Filesize
584KB

Download
memory/4536-2-0x0000000007A70000-0x0000000007B30000-memory.dmp

Filesize
768KB

Download
memory/4536-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4536-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/4536-7-0x0000000007090000-0x0000000007098000-memory.dmp

Filesize
32KB

Download
memory/4536-8-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/4536-9-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4536-19-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/4536-11-0x0000000006550000-0x00000000065FE000-memory.dmp

Filesize
696KB

Download
memory/4536-1-0x0000000000AF0000-0x0000000000BEC000-memory.dmp

Filesize
1008KB

Download
memory/4536-3-0x000000000B2E0000-0x000000000B884000-memory.dmp

Filesize
5.6MB

Download
memory/4536-10-0x0000000006330000-0x00000000063CC000-memory.dmp

Filesize
624KB

Download
memory/5072-46-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/5072-21-0x0000000005240000-0x0000000005284000-memory.dmp

Filesize
272KB

Download
memory/5072-20-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/5072-18-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/5072-22-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/5072-23-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/5072-34-0x0000000007E20000-0x0000000007E70000-memory.dmp

Filesize
320KB

Download
memory/5072-35-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/5072-15-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download