masslogger | d3fd794e64ae0f414de9949be22024ba7edf5341805901af486ff2aa934a6ea4

General

Target

ddxWKELkDxNZ6z6.exe
Size

955KB
MD5

a58d52e7b0722d3c21e62675bb7120cf
SHA1

783efe192de87a84c45dccbb7a4777fbff821f5c
SHA256

d3fd794e64ae0f414de9949be22024ba7edf5341805901af486ff2aa934a6ea4
SHA512

0562c5e6d6008ff6eb80c76eba56bd9d4a11080845efc395bfa442bcae7de1e928716f710e521c3d11034fb45c5eea069a87b636a29b4b465abff2bb436b477b

Score

10^/10

masslogger spyware stealer

Malware Config

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/1320-13-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1320-14-0x000000000048146E-mapping.dmp	family_masslogger
behavioral1/memory/1320-15-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1320-16-0x0000000000400000-0x0000000000486000-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:

ddxWKELkDxNZ6z6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation	ddxWKELkDxNZ6z6.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:

ddxWKELkDxNZ6z6.exe

description pid process target process

PID 1916 set thread context of 1320 1916 ddxWKELkDxNZ6z6.exe ddxWKELkDxNZ6z6.exe
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
T1053

Processes:

schtasks.exe

pid process

412 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

ddxWKELkDxNZ6z6.exe

pid process

1320 ddxWKELkDxNZ6z6.exe

flow	ioc
5	api.ipify.org

description	pid	process	target process
PID 1916 set thread context of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe

pid	process
412	schtasks.exe

pid	process
1320	ddxWKELkDxNZ6z6.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

ddxWKELkDxNZ6z6.exeddxWKELkDxNZ6z6.exe

pid	process
1916	ddxWKELkDxNZ6z6.exe
1916	ddxWKELkDxNZ6z6.exe
1916	ddxWKELkDxNZ6z6.exe
1320	ddxWKELkDxNZ6z6.exe
1320	ddxWKELkDxNZ6z6.exe
1320	ddxWKELkDxNZ6z6.exe
1320	ddxWKELkDxNZ6z6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ddxWKELkDxNZ6z6.exeddxWKELkDxNZ6z6.exe

description pid process

Token: SeDebugPrivilege 1916 ddxWKELkDxNZ6z6.exe
Token: SeDebugPrivilege 1320 ddxWKELkDxNZ6z6.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ddxWKELkDxNZ6z6.exe

pid process

1320 ddxWKELkDxNZ6z6.exe

description	pid	process
Token: SeDebugPrivilege	1916	ddxWKELkDxNZ6z6.exe
Token: SeDebugPrivilege	1320	ddxWKELkDxNZ6z6.exe

pid	process
1320	ddxWKELkDxNZ6z6.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

ddxWKELkDxNZ6z6.exe

description	pid	process	target process
PID 1916 wrote to memory of 412	1916	ddxWKELkDxNZ6z6.exe	schtasks.exe
PID 1916 wrote to memory of 412	1916	ddxWKELkDxNZ6z6.exe	schtasks.exe
PID 1916 wrote to memory of 412	1916	ddxWKELkDxNZ6z6.exe	schtasks.exe
PID 1916 wrote to memory of 412	1916	ddxWKELkDxNZ6z6.exe	schtasks.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe
PID 1916 wrote to memory of 1320	1916	ddxWKELkDxNZ6z6.exe	ddxWKELkDxNZ6z6.exe

C:\Users\Admin\AppData\Local\Temp\ddxWKELkDxNZ6z6.exe
"C:\Users\Admin\AppData\Local\Temp\ddxWKELkDxNZ6z6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PIqcvnnXKVfCp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE550.tmp"
2⤵
- Creates scheduled task(s)
PID:412

C:\Users\Admin\AppData\Local\Temp\ddxWKELkDxNZ6z6.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1320

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\Temp\tmpE550.tmp
MD5
f3b5b92387e30660b965f4e4579d3654

SHA1
65cde49ec3150de1536377268f0c7ca7213fd954

SHA256
a03faf826ecf2f1cc49c047dbca98907e5c3c712fdacbb50324a25d4ef8147b7

SHA512
6cd46dc2af0b6c6b17018b0ef9a678109833e70ae960752fbd5404608d3447a98627989d1483368d5e8210c43bca763c73192c83c0e7418bd12b512137b6259d

Download Submit
memory/412-11-0x0000000000000000-mapping.dmp

Download
memory/1320-17-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1320-14-0x000000000048146E-mapping.dmp

Download
memory/1320-24-0x0000000006130000-0x00000000061BD000-memory.dmp

Filesize
564KB

Download
memory/1320-23-0x00000000010B0000-0x00000000010E9000-memory.dmp

Filesize
228KB

Download
memory/1320-16-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1320-15-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1320-13-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1916-5-0x0000000006ED0000-0x0000000006FAD000-memory.dmp

Filesize
884KB

Download
memory/1916-3-0x0000000001310000-0x0000000001311000-memory.dmp

Filesize
4KB

Download
memory/1916-6-0x0000000000410000-0x0000000000421000-memory.dmp

Filesize
68KB

Download
memory/1916-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-18-0x0000000000480000-0x00000000004B0000-memory.dmp

Filesize
192KB

Download
memory/1916-9-0x0000000004B50000-0x0000000004C0C000-memory.dmp

Filesize
752KB

Download
memory/1916-8-0x00000000002A0000-0x00000000002AE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads