masslogger | 64c665b2dbdaca4a20aaef96d625091757008c88b49d71070e4eefcd45d986d8

Resubmissions

10-05-2024 17:13

240510-vrrk4sgd7t 10

10-05-2024 17:09

240510-vphv7abd29 10

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 17:13

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General

Target

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

behavioral16/memory/3248-15-0x0000000000400000-0x00000000004A8000-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

behavioral16/memory/3248-15-0x0000000000400000-0x00000000004A8000-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

behavioral16/memory/2324-11-0x0000000007630000-0x00000000076DE000-memory.dmp rezer0

resource	yara_rule
behavioral16/memory/3248-15-0x0000000000400000-0x00000000004A8000-memory.dmp	family_zgrat_v1

resource	yara_rule
behavioral16/memory/3248-15-0x0000000000400000-0x00000000004A8000-memory.dmp	family_masslogger

resource	yara_rule
behavioral16/memory/2324-11-0x0000000007630000-0x00000000076DE000-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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	mouse_2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	mouse_2.exe
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe
Key created	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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

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

Processes:

mouse_2.exe

description pid process target process

PID 2324 set thread context of 3248 2324 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

4996 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

mouse_2.exe

pid process

3248 mouse_2.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

mouse_2.exemouse_2.exe

pid process

2324 mouse_2.exe
2324 mouse_2.exe
2324 mouse_2.exe
3248 mouse_2.exe
3248 mouse_2.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mouse_2.exemouse_2.exe

description pid process

Token: SeDebugPrivilege 2324 mouse_2.exe
Token: SeDebugPrivilege 3248 mouse_2.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

mouse_2.exe

pid process

3248 mouse_2.exe

flow	ioc
18	api.ipify.org

description	pid	process	target process
PID 2324 set thread context of 3248	2324	mouse_2.exe	mouse_2.exe

pid	process
4996	schtasks.exe

pid	process
3248	mouse_2.exe

pid	process
2324	mouse_2.exe
2324	mouse_2.exe
2324	mouse_2.exe
3248	mouse_2.exe
3248	mouse_2.exe

description	pid	process
Token: SeDebugPrivilege	2324	mouse_2.exe
Token: SeDebugPrivilege	3248	mouse_2.exe

pid	process
3248	mouse_2.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

mouse_2.exe

description	pid	process	target process
PID 2324 wrote to memory of 4996	2324	mouse_2.exe	schtasks.exe
PID 2324 wrote to memory of 4996	2324	mouse_2.exe	schtasks.exe
PID 2324 wrote to memory of 4996	2324	mouse_2.exe	schtasks.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe
PID 2324 wrote to memory of 3248	2324	mouse_2.exe	mouse_2.exe

outlook_office_path 1 IoCs

Processes:

mouse_2.exe

description ioc process

Key queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 mouse_2.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	mouse_2.exe

C:\Users\Admin\AppData\Local\Temp\mouse_2.exe
"C:\Users\Admin\AppData\Local\Temp\mouse_2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2324

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73F3.tmp"
2⤵
- Creates scheduled task(s)
PID:4996

C:\Users\Admin\AppData\Local\Temp\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:3248

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\tmp73F3.tmp
Filesize
1KB

MD5
b05c73c7a890fa2ac5f6af081307c999

SHA1
25a72b4e7b6bbf53c708d70342390a39208c4f39

SHA256
7e8ee9bde4f81eee1436d7bcf08f5eda119ee58a695dea62f21a01035c436405

SHA512
db5cafd5387aa1c4ee0c4a63eb8d67f902b8590e00a17d23a73b3e297e683187da3b3941093297b28db523dd70c196ff02d5e5f689e3d620b50425f0cb30d11d

Download Submit
memory/2324-10-0x0000000007410000-0x00000000074AC000-memory.dmp

Filesize
624KB

Download
memory/2324-19-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2324-4-0x000000000B180000-0x000000000B212000-memory.dmp

Filesize
584KB

Download
memory/2324-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2324-6-0x0000000005B90000-0x0000000005B9A000-memory.dmp

Filesize
40KB

Download
memory/2324-7-0x0000000007400000-0x0000000007408000-memory.dmp

Filesize
32KB

Download
memory/2324-8-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2324-9-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2324-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2324-11-0x0000000007630000-0x00000000076DE000-memory.dmp

Filesize
696KB

Download
memory/2324-2-0x0000000005860000-0x0000000005920000-memory.dmp

Filesize
768KB

Download
memory/2324-3-0x000000000B590000-0x000000000BB34000-memory.dmp

Filesize
5.6MB

Download
memory/2324-1-0x0000000000DA0000-0x0000000000E9C000-memory.dmp

Filesize
1008KB

Download
memory/3248-15-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/3248-18-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3248-20-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3248-21-0x0000000005590000-0x00000000055D4000-memory.dmp

Filesize
272KB

Download
memory/3248-22-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/3248-23-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/3248-34-0x00000000082D0000-0x0000000008320000-memory.dmp

Filesize
320KB

Download
memory/3248-45-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download