masslogger | 20f7a1696665e085deded2f5ab6d982a9e6a804d2dd665e7d1a6d7eab78e5a0d

General

Target

c8da1e1e_extracted.exe
Size

1.3MB
MD5

b062a7fb1dde5658f46c45d8e6bb8cf6
SHA1

327adad9b7c50b7c62a859b17c0b64af22b2c8ab
SHA256

20f7a1696665e085deded2f5ab6d982a9e6a804d2dd665e7d1a6d7eab78e5a0d
SHA512

4296208d310edede301b618eb78ff1611498d03920fddebebc311ad66437fa72425786058d674ae73a4cb3644bc30cb1298fd5bbadcc61ea8fe0647645a3bbce

Score

10^/10

masslogger spyware stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
chrispaged12@yandex.com
Password:
Chinedu22@

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

yara_rule
masslogger_log_file

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll	acprotect

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll	upx

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:

c8da1e1e_extracted.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation	c8da1e1e_extracted.exe

Loads dropped DLL 1 IoCs

Processes:

c8da1e1e_extracted.exe

pid process

896 c8da1e1e_extracted.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

17 api.ipify.org
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c8da1e1e_extracted.exe

description pid process

Token: SeDebugPrivilege 896 c8da1e1e_extracted.exe

pid	process
896	c8da1e1e_extracted.exe

flow	ioc
17	api.ipify.org

description	pid	process
Token: SeDebugPrivilege	896	c8da1e1e_extracted.exe

C:\Users\Admin\AppData\Local\Temp\c8da1e1e_extracted.exe
"C:\Users\Admin\AppData\Local\Temp\c8da1e1e_extracted.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:896

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\Costura\8E3603ED8A0381E02887C1DBBE921340\32\sqlite.interop.dll
MD5
e81aeac387c5db32b7f9b07d15e788e0

SHA1
829be6eaf1cb0d82b2ddfc98272e1087f4a7a7c3

SHA256
44f31f99f048bfc5195937353b5207332e455bcd5a722bcfd32cacfd93f60f06

SHA512
cc6a96325a01c50c059706a1f4156f109e502ef9c0b0f5de209d1f52e7cc973cebc027f57ed988e9d1b8fca62746b60ee7430d608de95cdd0e5ac3cb61fbe32e

Download Submit
memory/896-9-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/896-11-0x0000000006220000-0x0000000006221000-memory.dmp

Filesize
4KB

Download
memory/896-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/896-7-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/896-8-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/896-2-0x00000000739E0000-0x00000000740CE000-memory.dmp

Filesize
6.9MB

Download
memory/896-10-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

Filesize
4KB

Download
memory/896-5-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/896-12-0x0000000006490000-0x00000000064CE000-memory.dmp

Filesize
248KB

Download
memory/896-13-0x0000000006520000-0x0000000006521000-memory.dmp

Filesize
4KB

Download
memory/896-14-0x0000000006570000-0x0000000006571000-memory.dmp

Filesize
4KB

Download
memory/896-15-0x00000000068C0000-0x000000000694D000-memory.dmp

Filesize
564KB

Download
memory/896-16-0x0000000006950000-0x00000000069A9000-memory.dmp

Filesize
356KB

Download
memory/896-17-0x00000000064D0000-0x00000000064D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads