masslogger | f338a1b80c46346c5e3d7576b4726faf90a477c396f424aa1325b8cc03ae9a30

General

Target

EIC.exe
Size

1.1MB
MD5

179da9d044907a92d189b869932bfcdf
SHA1

4c4cc099c3e32ae9e6324e723392c9fc56332800
SHA256

f338a1b80c46346c5e3d7576b4726faf90a477c396f424aa1325b8cc03ae9a30
SHA512

0e497080fac79e88b5b6823b7ae24deeb44b192ababd9179a2ca13a487462388b2ee3f5c4a18ac4f01b75fda6f531474bb219b7fce017e0c741eb9594d1b4571

Score

10^/10

spyware stealer masslogger

Malware Config

Signatures

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

EIC.exe

pid process

1500 EIC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EIC.exe

description pid process

Token: SeDebugPrivilege 1012 EIC.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

EIC.exe

pid process

1012 EIC.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

3 api.ipify.org
Drops startup file 1 IoCs

Processes:

notepad.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.vbs notepad.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

EIC.exeEIC.exe

pid process

1500 EIC.exe
1012 EIC.exe
1012 EIC.exe

pid	process
1500	EIC.exe

description	pid	process
Token: SeDebugPrivilege	1012	EIC.exe

pid	process
1012	EIC.exe

flow	ioc
3	api.ipify.org

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.vbs	notepad.exe

pid	process
1500	EIC.exe
1012	EIC.exe
1012	EIC.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EIC.exe

description	pid	process	target process
PID 1500 wrote to memory of 476	1500	EIC.exe	notepad.exe
PID 1500 wrote to memory of 476	1500	EIC.exe	notepad.exe
PID 1500 wrote to memory of 476	1500	EIC.exe	notepad.exe
PID 1500 wrote to memory of 476	1500	EIC.exe	notepad.exe
PID 1500 wrote to memory of 476	1500	EIC.exe	notepad.exe
PID 1500 wrote to memory of 476	1500	EIC.exe	notepad.exe
PID 1500 wrote to memory of 1012	1500	EIC.exe	EIC.exe
PID 1500 wrote to memory of 1012	1500	EIC.exe	EIC.exe
PID 1500 wrote to memory of 1012	1500	EIC.exe	EIC.exe
PID 1500 wrote to memory of 1012	1500	EIC.exe	EIC.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

EIC.exe

description pid process target process

PID 1500 set thread context of 1012 1500 EIC.exe EIC.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EIC.exe

pid process

1012 EIC.exe
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

description	pid	process	target process
PID 1500 set thread context of 1012	1500	EIC.exe	EIC.exe

pid	process
1012	EIC.exe

yara_rule
masslogger_log_file

UPX packed file 3 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/1012-2-0x0000000000400000-0x0000000000542000-memory.dmp	upx
behavioral1/memory/1012-4-0x0000000000400000-0x0000000000542000-memory.dmp	upx
behavioral1/memory/1012-5-0x0000000000400000-0x0000000000542000-memory.dmp	upx

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

C:\Users\Admin\AppData\Local\Temp\EIC.exe
"C:\Users\Admin\AppData\Local\Temp\EIC.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1500

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\system32\notepad.exe"
2⤵
- Drops startup file
PID:476

C:\Users\Admin\AppData\Local\Temp\EIC.exe
"C:\Users\Admin\AppData\Local\Temp\EIC.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: AddClipboardFormatListener
PID:1012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/476-0-0x0000000000000000-mapping.dmp

Download
memory/476-1-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1012-2-0x0000000000400000-0x0000000000542000-memory.dmp

Filesize
1.3MB

Download
memory/1012-3-0x0000000000540C00-mapping.dmp

Download
memory/1012-4-0x0000000000400000-0x0000000000542000-memory.dmp

Filesize
1.3MB

Download
memory/1012-5-0x0000000000400000-0x0000000000542000-memory.dmp

Filesize
1.3MB

Download
memory/1012-6-0x0000000001E50000-0x0000000001EEA000-memory.dmp

Filesize
616KB

Download
memory/1012-7-0x0000000001F82000-0x0000000001F83000-memory.dmp

Filesize
4KB

Download
memory/1012-8-0x0000000000310000-0x00000000003A4000-memory.dmp

Filesize
592KB

Download

Analysis

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