vipkeylogger | 35c15f0e2e558228afbff51b637bfd6e206c0d388a9296590b08d0b64bc6297a

General

Target

z1AirWaybill-S2500465961.exe
Size

1004KB
MD5

ba35d2938edbd08e3bee99a3f0342ecf
SHA1

c7bb7862db05dd181a6d0df1c6cf85333cf9606e
SHA256

35c15f0e2e558228afbff51b637bfd6e206c0d388a9296590b08d0b64bc6297a
SHA512

a600b0af55fc26adb07b1c1dfa69c719a519a97146651a8e2fa8e96c4d77fd2babc15d0f2f95bedca6351f5afbe5d75b4feb3a2aeb979f24cda31a63d4a71558
SSDEEP

24576:VAHnh+eWsN3skA4RV1Hom2KXFmIaoiQtWUNTC5:Eh+ZkldoPK1XaoicLk

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.npmmachinery.com
Port:
587
Username:
[email protected]
Password:
^@SC}ST5oCG-
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
6	checkip.dyndns.org
9	reallyfreegeoip.org
10	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 1200	3648	z1AirWaybill-S2500465961.exe	84

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	z1AirWaybill-S2500465961.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1200	RegSvcs.exe
1200	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3648	z1AirWaybill-S2500465961.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3648	z1AirWaybill-S2500465961.exe
3648	z1AirWaybill-S2500465961.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3648	z1AirWaybill-S2500465961.exe
3648	z1AirWaybill-S2500465961.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1200	3648	z1AirWaybill-S2500465961.exe	84
PID 3648 wrote to memory of 1200	3648	z1AirWaybill-S2500465961.exe	84
PID 3648 wrote to memory of 1200	3648	z1AirWaybill-S2500465961.exe	84
PID 3648 wrote to memory of 1200	3648	z1AirWaybill-S2500465961.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\z1AirWaybill-S2500465961.exe
"C:\Users\Admin\AppData\Local\Temp\z1AirWaybill-S2500465961.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\z1AirWaybill-S2500465961.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:1200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/1200-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1200-13-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/1200-14-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/1200-15-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

Filesize
624KB

Download
memory/1200-16-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1200-17-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/1200-18-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/1200-19-0x00000000061F0000-0x00000000063B2000-memory.dmp

Filesize
1.8MB

Download
memory/1200-20-0x0000000006080000-0x00000000060D0000-memory.dmp

Filesize
320KB

Download
memory/1200-21-0x00000000063C0000-0x0000000006452000-memory.dmp

Filesize
584KB

Download
memory/1200-22-0x0000000006190000-0x000000000619A000-memory.dmp

Filesize
40KB

Download
memory/3648-11-0x00000000012E0000-0x00000000016E0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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