masslogger | 46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63

General

Target

tKfuvt0R6K5VBfC.exe
Size

916KB
MD5

58aac818567512ff88b69c5368669940
SHA1

f8ca48be2c738140d318168020cc24869160b720
SHA256

46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63
SHA512

dfa06f87137219207d13ec0092c5fe06749c74c20f106d43252dc52972840061359620a7a5b07e9dc2a3ef9db58506e35a341a93696f05fee7ad9e5a94c59732

Score

10^/10

masslogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
maaig.com
Port:
21
Username:
info@maaig.com
Password:
E#T~&wyRgLDa

Extracted

Credentials

Protocol: smtp
Host:
mail.vitracer.com
Port:
587
Username:
sales@vitracer.com
Password:
vm85932754

Signatures

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

MassLogger Main Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/584-12-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral2/memory/584-13-0x0000000000481BCE-mapping.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

Processes:

tKfuvt0R6K5VBfC.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation	tKfuvt0R6K5VBfC.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

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

Processes:

tKfuvt0R6K5VBfC.exe

description pid process target process

PID 4756 set thread context of 584 4756 tKfuvt0R6K5VBfC.exe tKfuvt0R6K5VBfC.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

tKfuvt0R6K5VBfC.exe

pid process

584 tKfuvt0R6K5VBfC.exe

flow	ioc
14	api.ipify.org

description	pid	process	target process
PID 4756 set thread context of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe

pid	process
584	tKfuvt0R6K5VBfC.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

tKfuvt0R6K5VBfC.exetKfuvt0R6K5VBfC.exepowershell.exe

pid	process
4756	tKfuvt0R6K5VBfC.exe
4756	tKfuvt0R6K5VBfC.exe
4756	tKfuvt0R6K5VBfC.exe
4756	tKfuvt0R6K5VBfC.exe
584	tKfuvt0R6K5VBfC.exe
584	tKfuvt0R6K5VBfC.exe
584	tKfuvt0R6K5VBfC.exe
584	tKfuvt0R6K5VBfC.exe
1316	powershell.exe
1316	powershell.exe
1316	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tKfuvt0R6K5VBfC.exetKfuvt0R6K5VBfC.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4756	tKfuvt0R6K5VBfC.exe
Token: SeDebugPrivilege	584	tKfuvt0R6K5VBfC.exe
Token: SeDebugPrivilege	1316	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tKfuvt0R6K5VBfC.exe

pid process

584 tKfuvt0R6K5VBfC.exe

pid	process
584	tKfuvt0R6K5VBfC.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

tKfuvt0R6K5VBfC.exetKfuvt0R6K5VBfC.exe

description	pid	process	target process
PID 4756 wrote to memory of 3324	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 3324	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 3324	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 520	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 520	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 520	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584	4756	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 584 wrote to memory of 1316	584	tKfuvt0R6K5VBfC.exe	powershell.exe
PID 584 wrote to memory of 1316	584	tKfuvt0R6K5VBfC.exe	powershell.exe
PID 584 wrote to memory of 1316	584	tKfuvt0R6K5VBfC.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
"C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
"{path}"
2⤵
PID:3324

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
"{path}"
2⤵
PID:520

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe'
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tKfuvt0R6K5VBfC.exe.log
MD5
3fed8d1dd11972a6e2603bb2d73a3ee5

SHA1
7ecb7f64ade7b91c5815da647e84167c3d95afb4

SHA256
eecf6c0575dc995a485d46a5daaa66f58229e552f16782d873834d218ab17551

SHA512
ca6059eb67f800cc666d5146d24070abf5ee08209f8f9d1668a0ca2201eb3f6fa013c2d807b09925e12b82c37686980fcc26a6a5e4a5ba129c4b2a585961d3bb

Download Submit
memory/584-13-0x0000000000481BCE-mapping.dmp

Download
memory/584-33-0x0000000008610000-0x0000000008611000-memory.dmp

Filesize
4KB

Download
memory/584-30-0x00000000081D0000-0x00000000081D1000-memory.dmp

Filesize
4KB

Download
memory/584-29-0x0000000008580000-0x000000000860D000-memory.dmp

Filesize
564KB

Download
memory/584-28-0x0000000008540000-0x0000000008579000-memory.dmp

Filesize
228KB

Download
memory/584-23-0x0000000007030000-0x0000000007031000-memory.dmp

Filesize
4KB

Download
memory/584-20-0x0000000006720000-0x0000000006721000-memory.dmp

Filesize
4KB

Download
memory/584-15-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/584-12-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1316-36-0x00000000078E0000-0x00000000078E1000-memory.dmp

Filesize
4KB

Download
memory/1316-38-0x00000000080E0000-0x00000000080E1000-memory.dmp

Filesize
4KB

Download
memory/1316-52-0x00000000093B0000-0x00000000093B1000-memory.dmp

Filesize
4KB

Download
memory/1316-50-0x00000000093C0000-0x00000000093C1000-memory.dmp

Filesize
4KB

Download
memory/1316-21-0x0000000000000000-mapping.dmp

Download
memory/1316-49-0x0000000009410000-0x0000000009411000-memory.dmp

Filesize
4KB

Download
memory/1316-24-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/1316-26-0x0000000004630000-0x0000000004631000-memory.dmp

Filesize
4KB

Download
memory/1316-27-0x0000000007250000-0x0000000007251000-memory.dmp

Filesize
4KB

Download
memory/1316-48-0x0000000009250000-0x0000000009251000-memory.dmp

Filesize
4KB

Download
memory/1316-47-0x0000000008ED0000-0x0000000008ED1000-memory.dmp

Filesize
4KB

Download
memory/1316-40-0x0000000008EF0000-0x0000000008F23000-memory.dmp

Filesize
204KB

Download
memory/1316-32-0x0000000007150000-0x0000000007151000-memory.dmp

Filesize
4KB

Download
memory/1316-37-0x0000000008360000-0x0000000008361000-memory.dmp

Filesize
4KB

Download
memory/4756-2-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/4756-3-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/4756-11-0x0000000009A30000-0x0000000009A31000-memory.dmp

Filesize
4KB

Download
memory/4756-5-0x0000000005C80000-0x0000000005C81000-memory.dmp

Filesize
4KB

Download
memory/4756-6-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/4756-7-0x00000000058D0000-0x00000000058D1000-memory.dmp

Filesize
4KB

Download
memory/4756-8-0x0000000009180000-0x0000000009181000-memory.dmp

Filesize
4KB

Download
memory/4756-9-0x0000000008DC0000-0x0000000008DCE000-memory.dmp

Filesize
56KB

Download
memory/4756-10-0x00000000098B0000-0x0000000009982000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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