masslogger | 1a59f2492b5b15c0678e6134d6ec4df38c45de5555767463cf9590bfdb1fdda8

General

Target

ROLLY 3Y23RY4R2.exe
Size

836KB
MD5

4e1530c6b967dd7d25fed0be9112dd2f
SHA1

ed8902a013ffb305e901bc7cc0b1d8cbbf7cf7cf
SHA256

1a59f2492b5b15c0678e6134d6ec4df38c45de5555767463cf9590bfdb1fdda8
SHA512

4e06f5ec5f6911d8eb5948afc5598d61bf810feea4b2a17dd28ce0f9605524918a5cbc3a5baf3135955b1e0f1004a87e97fd0226753f0dd2690fade66e09e173

Score

10^/10

ransomware spyware stealer masslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\C8A579F880\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.8.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 6/30/2020 3:06:46 PM MassLogger Started: 6/30/2020 3:06:38 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\ROLLY 3Y23RY4R2.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ROLLY 3Y23RY4R2.exe

description	pid	process	target process
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe
PID 1400 wrote to memory of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ROLLY 3Y23RY4R2.exe

description pid process

Token: SeDebugPrivilege 1788 ROLLY 3Y23RY4R2.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
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ROLLY 3Y23RY4R2.exe

pid process

1788 ROLLY 3Y23RY4R2.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

ROLLY 3Y23RY4R2.exe

pid process

1788 ROLLY 3Y23RY4R2.exe
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger
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:

ROLLY 3Y23RY4R2.exe

description pid process target process

PID 1400 set thread context of 1788 1400 ROLLY 3Y23RY4R2.exe ROLLY 3Y23RY4R2.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ROLLY 3Y23RY4R2.exe

pid process

1788 ROLLY 3Y23RY4R2.exe
1788 ROLLY 3Y23RY4R2.exe
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

description	pid	process
Token: SeDebugPrivilege	1788	ROLLY 3Y23RY4R2.exe

pid	process
1788	ROLLY 3Y23RY4R2.exe

pid	process
1788	ROLLY 3Y23RY4R2.exe

flow	ioc
5	api.ipify.org

description	pid	process	target process
PID 1400 set thread context of 1788	1400	ROLLY 3Y23RY4R2.exe	ROLLY 3Y23RY4R2.exe

pid	process
1788	ROLLY 3Y23RY4R2.exe
1788	ROLLY 3Y23RY4R2.exe

yara_rule
masslogger_log_file

C:\Users\Admin\AppData\Local\Temp\ROLLY 3Y23RY4R2.exe
"C:\Users\Admin\AppData\Local\Temp\ROLLY 3Y23RY4R2.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1400

C:\Users\Admin\AppData\Local\Temp\ROLLY 3Y23RY4R2.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:1788

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1400-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1788-2-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1788-3-0x00000000004A304E-mapping.dmp

Download
memory/1788-4-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1788-5-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download

Analysis

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