vipkeylogger | 83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077

General

Target

83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe
Size

77.0MB
MD5

1ff110b334748c5eaa26b88616afe30f
SHA1

470f119a6fe0b75995220b3c38e49b3359a54e33
SHA256

83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077
SHA512

29bf62d0a6550084072e113ccf564b6770cdfd4d97c6017cc80189fa3fc14cba43b9ebb651e24d4b63bc755f2609b99703757e8bd1134f6801aa61d32c6e1a61
SSDEEP

24576:Dtb20pkaCqT5TBWgNQ7acNXWi+37r7q6A:AVg5tQ7acE9Lru5

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1148 set thread context of 2456	1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe	28

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	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2456	svchost.exe
2456	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe
1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe
1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2456	1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe	28
PID 1148 wrote to memory of 2456	1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe	28
PID 1148 wrote to memory of 2456	1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe	28
PID 1148 wrote to memory of 2456	1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe	28
PID 1148 wrote to memory of 2456	1148	83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe	28

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	svchost.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	svchost.exe

C:\Users\Admin\AppData\Local\Temp\83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.exe
"C:\Users\Admin\AppData\Local\Temp\83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.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:1148
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\83956a9172e9f9119d14621de7e43905348c617e58bd7af09342f00279c50077.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:2456

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/1148-6-0x00000000006E0000-0x0000000000AE0000-memory.dmp

Filesize
4.0MB

Download
memory/2456-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2456-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2456-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2456-11-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2456-12-0x0000000000950000-0x000000000099E000-memory.dmp

Filesize
312KB

Download
memory/2456-13-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-14-0x00000000009C0000-0x0000000000A0E000-memory.dmp

Filesize
312KB

Download
memory/2456-15-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-16-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-17-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-18-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2456-19-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-20-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-21-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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