vipkeylogger | b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1

General

Target

Bank Receipt Voucher.jpg.exe
Size

1.6MB
MD5

7e6bb0d23284faac75536fa4129331c1
SHA1

f3f2d718162646c494daf44daee88c822146fff9
SHA256

b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1
SHA512

9aefe5830ad266d974ca8b8f7da64444ea406970ed7febebb5d5d9a17545a0c82f1758a95758852aad095c9b795a39645531b2fd25cbae341ab5de8c3a3ef580
SSDEEP

12288:ZvbxYB8F+ZBPHBjcx68ewOHWHvjaNrBpONhzV/aWN8euhklD:lxUy+LPVv8vKWbVdLRt

Score

10^/10

vipkeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
cp1.virtualine.org
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.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
8	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4000 set thread context of 5080	4000	Bank Receipt Voucher.jpg.exe	82

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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5080	jsc.exe
5080	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5080	jsc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 5080	4000	Bank Receipt Voucher.jpg.exe	82
PID 4000 wrote to memory of 3860	4000	Bank Receipt Voucher.jpg.exe	83
PID 4000 wrote to memory of 3860	4000	Bank Receipt Voucher.jpg.exe	83
PID 4000 wrote to memory of 3860	4000	Bank Receipt Voucher.jpg.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\Bank Receipt Voucher.jpg.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Receipt Voucher.jpg.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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:5080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  PID:3860

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

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4000-0-0x00007FF8B41C3000-0x00007FF8B41C5000-memory.dmp

Filesize
8KB

Download
memory/4000-1-0x000001C6D63D0000-0x000001C6D63D8000-memory.dmp

Filesize
32KB

Download
memory/4000-2-0x000001C6F0970000-0x000001C6F0A0C000-memory.dmp

Filesize
624KB

Download
memory/4000-3-0x00007FF8B41C0000-0x00007FF8B4C81000-memory.dmp

Filesize
10.8MB

Download
memory/4000-8-0x00007FF8B41C0000-0x00007FF8B4C81000-memory.dmp

Filesize
10.8MB

Download
memory/5080-9-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/5080-6-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/5080-7-0x0000000005980000-0x0000000005A1C000-memory.dmp

Filesize
624KB

Download
memory/5080-5-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/5080-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/5080-10-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/5080-11-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/5080-12-0x00000000070B0000-0x0000000007272000-memory.dmp

Filesize
1.8MB

Download
memory/5080-13-0x0000000006F30000-0x0000000006F80000-memory.dmp

Filesize
320KB

Download
memory/5080-14-0x0000000007280000-0x0000000007312000-memory.dmp

Filesize
584KB

Download
memory/5080-15-0x0000000007360000-0x000000000736A000-memory.dmp

Filesize
40KB

Download

Analysis

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