vipkeylogger | 20bd37d1bc1d656f678d99c15df2610cb2e2f9c4e0b294e504e8508be4c2f658

General

Target

Invoice-1150.exe
Size

768KB
MD5

ef31d9a0edb030c28669b85712413cb1
SHA1

59e9c21a4babd9269fbb72046fb448ba66d16729
SHA256

20bd37d1bc1d656f678d99c15df2610cb2e2f9c4e0b294e504e8508be4c2f658
SHA512

cd051d17fc75ecfa8ba6fcfb6307f70879ee26c29af2bd99507e143956fc0ec510fb3a5b3b22bfbef1c959d0dfab18ee1b5b009dacc4e8768e8bcd9781526ab6
SSDEEP

12288:pqcA1fy1MqCNbvYt4P4Id76TXpDyLi9RqGUGgPKAQj9BM1FPgw+q28xH1xV3KdEP:+5PNbg4h2T5OqqGWKZM1tpH57Va2m

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.ruchiraprinting.com
Port:
587
Username:
[email protected]
Password:
Ruchira@PR12
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice-1150.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice-1150.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice-1150.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1696 set thread context of 3068	1696	Invoice-1150.exe	31

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 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	Invoice-1150.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice-1150.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	Invoice-1150.exe
3068	Invoice-1150.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	Invoice-1150.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31
PID 1696 wrote to memory of 3068	1696	Invoice-1150.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice-1150.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice-1150.exe

C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3068

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/1696-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1696-1-0x00000000002D0000-0x0000000000396000-memory.dmp

Filesize
792KB

Download
memory/1696-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-3-0x0000000005E50000-0x0000000005F0E000-memory.dmp

Filesize
760KB

Download
memory/1696-4-0x0000000000610000-0x000000000062E000-memory.dmp

Filesize
120KB

Download
memory/1696-5-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1696-6-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-7-0x00000000003A0000-0x000000000042E000-memory.dmp

Filesize
568KB

Download
memory/1696-24-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-20-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-22-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-23-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-18-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3068-25-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-26-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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