vipkeylogger | a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40

General

Target

a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe
Size

269KB
MD5

be76fcc236b9cf3ba5dcc13233b902ca
SHA1

af085216482dd8530fef54aa859e52aa48ad2ec7
SHA256

a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40
SHA512

c35dbc7d5acfa39dd92cbe705d5ef262a0421e25502613146910fe364b1d70103ef09baa399fe5ef1a312f6e2be4d741a3e5b438684f6894620100541bac6503
SSDEEP

3072:9pdjv4WNr0HTfNUWwB0XpNTjZgAOQ5pH1/Up6ebfcsoqXYTVgHilbbY:g3XibPYb

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.recsb.com
Port:
587
Username:
[email protected]
Password:
1=vI*r6^
Email To:
[email protected]

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1744	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe
1744	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe

C:\Users\Admin\AppData\Local\Temp\a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe
"C:\Users\Admin\AppData\Local\Temp\a4b35cf0c6b13161e66207d61603c2f19c691c557e2a7f189b8f67460a757e40.exe"
1⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1744-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1744-1-0x00000000001A0000-0x00000000001E8000-memory.dmp

Filesize
288KB

Download
memory/1744-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-3-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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