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:
[email protected]
Password:
E#T~&wyRgLDa

Extracted

Credentials

Protocol: smtp
Host:
mail.vitracer.com
Port:
587
Username:
[email protected]
Password:
vm85932754

Signatures

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

MassLogger Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1992-7-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1992-8-0x0000000000481BCE-mapping.dmp	family_masslogger
behavioral1/memory/1992-9-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1992-10-0x0000000000400000-0x0000000000486000-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

Processes:

tKfuvt0R6K5VBfC.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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

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

Processes:

tKfuvt0R6K5VBfC.exe

description pid process target process

PID 2028 set thread context of 1992 2028 tKfuvt0R6K5VBfC.exe tKfuvt0R6K5VBfC.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

tKfuvt0R6K5VBfC.exe

pid process

1992 tKfuvt0R6K5VBfC.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

tKfuvt0R6K5VBfC.exepowershell.exe

pid process

1992 tKfuvt0R6K5VBfC.exe
1992 tKfuvt0R6K5VBfC.exe
1992 tKfuvt0R6K5VBfC.exe
1992 tKfuvt0R6K5VBfC.exe
1532 powershell.exe
1532 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tKfuvt0R6K5VBfC.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1992 tKfuvt0R6K5VBfC.exe
Token: SeDebugPrivilege 1532 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tKfuvt0R6K5VBfC.exe

pid process

1992 tKfuvt0R6K5VBfC.exe

flow	ioc
5	api.ipify.org

description	pid	process	target process
PID 2028 set thread context of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe

pid	process
1992	tKfuvt0R6K5VBfC.exe

pid	process
1992	tKfuvt0R6K5VBfC.exe
1992	tKfuvt0R6K5VBfC.exe
1992	tKfuvt0R6K5VBfC.exe
1992	tKfuvt0R6K5VBfC.exe
1532	powershell.exe
1532	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1992	tKfuvt0R6K5VBfC.exe
Token: SeDebugPrivilege	1532	powershell.exe

pid	process
1992	tKfuvt0R6K5VBfC.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tKfuvt0R6K5VBfC.exetKfuvt0R6K5VBfC.exe

description	pid	process	target process
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992	2028	tKfuvt0R6K5VBfC.exe	tKfuvt0R6K5VBfC.exe
PID 1992 wrote to memory of 1532	1992	tKfuvt0R6K5VBfC.exe	powershell.exe
PID 1992 wrote to memory of 1532	1992	tKfuvt0R6K5VBfC.exe	powershell.exe
PID 1992 wrote to memory of 1532	1992	tKfuvt0R6K5VBfC.exe	powershell.exe
PID 1992 wrote to memory of 1532	1992	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 use of WriteProcessMemory
PID:2028

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:1992

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:1532

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

Replay Monitor

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Downloads

memory/1532-29-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1532-21-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1532-15-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/1532-52-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1532-37-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1532-30-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/1532-24-0x0000000006070000-0x0000000006071000-memory.dmp

Filesize
4KB

Download
memory/1532-20-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1532-17-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/1532-14-0x0000000000000000-mapping.dmp

Download
memory/1532-53-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/1532-38-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1532-19-0x0000000004720000-0x0000000004721000-memory.dmp

Filesize
4KB

Download
memory/1992-18-0x00000000065E0000-0x000000000666D000-memory.dmp

Filesize
564KB

Download
memory/1992-11-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-10-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1992-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1992-8-0x0000000000481BCE-mapping.dmp

Download
memory/1992-7-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1992-16-0x00000000041B0000-0x00000000041E9000-memory.dmp

Filesize
228KB

Download
memory/2028-3-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/2028-2-0x0000000074EE0000-0x00000000755CE000-memory.dmp

Filesize
6.9MB

Download
memory/2028-6-0x0000000008360000-0x0000000008432000-memory.dmp

Filesize
840KB

Download
memory/2028-5-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads