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
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 5 IoCs

Processes:

resource	yara_rule
behavioral23/memory/2804-23-0x0000000000400000-0x00000000004A8000-memory.dmp	family_zgrat_v1
behavioral23/memory/2804-26-0x0000000000400000-0x00000000004A8000-memory.dmp	family_zgrat_v1
behavioral23/memory/2804-21-0x0000000000400000-0x00000000004A8000-memory.dmp	family_zgrat_v1
behavioral23/memory/2804-17-0x0000000000400000-0x00000000004A8000-memory.dmp	family_zgrat_v1
behavioral23/memory/2804-15-0x0000000000400000-0x00000000004A8000-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 5 IoCs

Processes:

resource	yara_rule
behavioral23/memory/2804-23-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral23/memory/2804-26-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral23/memory/2804-21-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral23/memory/2804-17-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger
behavioral23/memory/2804-15-0x0000000000400000-0x00000000004A8000-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

behavioral23/memory/2552-7-0x00000000049F0000-0x0000000004A9E000-memory.dmp rezer0
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

Processes:

mouse_2.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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

resource	yara_rule
behavioral23/memory/2552-7-0x00000000049F0000-0x0000000004A9E000-memory.dmp	rezer0

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\International\Geo\Nation	mouse_2.exe

Accesses Microsoft Outlook profiles 1 TTPs 15 IoCs

collection

Email Collection

T1114

Processes:

mouse_2.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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

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

Processes:

mouse_2.exe

description pid process target process

PID 2552 set thread context of 2804 2552 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

2544 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

mouse_2.exe

pid process

2804 mouse_2.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

mouse_2.exemouse_2.exe

pid process

2552 mouse_2.exe
2552 mouse_2.exe
2804 mouse_2.exe
2804 mouse_2.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mouse_2.exemouse_2.exe

description pid process

Token: SeDebugPrivilege 2552 mouse_2.exe
Token: SeDebugPrivilege 2804 mouse_2.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

mouse_2.exe

pid process

2804 mouse_2.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 2552 set thread context of 2804	2552	mouse_2.exe	mouse_2.exe

pid	process
2544	schtasks.exe

pid	process
2804	mouse_2.exe

pid	process
2552	mouse_2.exe
2552	mouse_2.exe
2804	mouse_2.exe
2804	mouse_2.exe

description	pid	process
Token: SeDebugPrivilege	2552	mouse_2.exe
Token: SeDebugPrivilege	2804	mouse_2.exe

pid	process
2804	mouse_2.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

mouse_2.exe

description	pid	process	target process
PID 2552 wrote to memory of 2544	2552	mouse_2.exe	schtasks.exe
PID 2552 wrote to memory of 2544	2552	mouse_2.exe	schtasks.exe
PID 2552 wrote to memory of 2544	2552	mouse_2.exe	schtasks.exe
PID 2552 wrote to memory of 2544	2552	mouse_2.exe	schtasks.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe
PID 2552 wrote to memory of 2804	2552	mouse_2.exe	mouse_2.exe

outlook_office_path 1 IoCs

Processes:

mouse_2.exe

description ioc process

Key queried \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mouse_2.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\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-1-5-21-2721934792-624042501-2768869379-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34F5.tmp"
2⤵
- Creates scheduled task(s)
PID:2544

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:2804

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp34F5.tmp
Filesize
1KB

MD5
20da0902db0fb316eb3e7b220172cd1d

SHA1
0b898d6a1f7e66c4f05b72a9d07472b4973a0eb4

SHA256
d2d44054f10edf91e4fef7ca9b59132b1b19f838b217052941560e2f723c2f10

SHA512
647c3150de2d190526e97f7eac6f4190c3b4669c973b7440264b267fe28593594be82c64687bc9fb4076b57ca3fb8e864f8b0fe080514b1e4ec4cdc53774c138

Download Submit
memory/2552-4-0x0000000000520000-0x0000000000528000-memory.dmp

Filesize
32KB

Download
memory/2552-3-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2552-2-0x0000000006D50000-0x0000000006E10000-memory.dmp

Filesize
768KB

Download
memory/2552-5-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2552-6-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2552-7-0x00000000049F0000-0x0000000004A9E000-memory.dmp

Filesize
696KB

Download
memory/2552-1-0x00000000008A0000-0x000000000099C000-memory.dmp

Filesize
1008KB

Download
memory/2552-28-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-27-0x0000000000570000-0x00000000005B4000-memory.dmp

Filesize
272KB

Download
memory/2804-23-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2804-26-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2804-21-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2804-17-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2804-15-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2804-13-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2804-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-12-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download