vipkeylogger | 1349316e7a40b141bed9b55a8271d86434e168ff6efd248c1fa5af4e05c1c248

General

Target

TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe
Size

1005KB
MD5

e984d47ddddd227739d93d4712eec8fa
SHA1

c10c8fbb4afc6d0ec5754ee95cfd4b3e4df4b3f8
SHA256

1349316e7a40b141bed9b55a8271d86434e168ff6efd248c1fa5af4e05c1c248
SHA512

67c5fe2605be68f0f35193df1186924ee34fe3c1d65909bcdb34def6863f07aa9b444064690080a8e018efae9e1ac08c26442364d1a3e2488ebf932f8e05c643
SSDEEP

24576:cu6J33O0c+JY5UZ+XC0kGso6FacEjfddHksiaZhdcWY:Gu0c++OCvkGs9Facqf/iafY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.htcp.homes
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
Vipkeylogger family
vipkeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 4508	1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	82

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4508	RegSvcs.exe
4508	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4508	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe
1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe
1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 4508	1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	82
PID 1968 wrote to memory of 4508	1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	82
PID 1968 wrote to memory of 4508	1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	82
PID 1968 wrote to memory of 4508	1968	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.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:1968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.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:4508

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/1968-6-0x0000000000F50000-0x0000000001350000-memory.dmp

Filesize
4.0MB

Download
memory/4508-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4508-8-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/4508-9-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/4508-10-0x0000000005120000-0x00000000051BC000-memory.dmp

Filesize
624KB

Download
memory/4508-11-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4508-12-0x00000000744EE000-0x00000000744EF000-memory.dmp

Filesize
4KB

Download
memory/4508-13-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/4508-14-0x0000000006410000-0x00000000065D2000-memory.dmp

Filesize
1.8MB

Download
memory/4508-15-0x0000000000E90000-0x0000000000EE0000-memory.dmp

Filesize
320KB

Download
memory/4508-16-0x00000000065E0000-0x0000000006672000-memory.dmp

Filesize
584KB

Download
memory/4508-17-0x0000000002B40000-0x0000000002B4A000-memory.dmp

Filesize
40KB

Download

Analysis

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