vipkeylogger | cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91

General

Target

cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe
Size

77.0MB
MD5

a5ef9d1622335d439446b07f9f054fce
SHA1

7bc7297d2b29f22f6c41684787c892d1e49d4559
SHA256

cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91
SHA512

8befac347d45965f19158b7c409a6b12b0fe48f2615ea53b820e9e473efad60d7efeba442f52bebc2df29ce7822c0951c423880692aa2c110170e091c5caea4a
SSDEEP

24576:Ftb20pkaCqT5TBWgNQ7aLvre3HXPXlkz3/6A:2Vg5tQ7aLvre3HXP1Uv5

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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3252 set thread context of 4364	3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe	83

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	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4364	svchost.exe
4364	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe
3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe
3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 4364	3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe	83
PID 3252 wrote to memory of 4364	3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe	83
PID 3252 wrote to memory of 4364	3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe	83
PID 3252 wrote to memory of 4364	3252	cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.exe
"C:\Users\Admin\AppData\Local\Temp\cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.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:3252
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\cb25ed9e939d551da9473bf9049d9bba3015cee7ba64be72ca658e94c3edaf91.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:4364

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/3252-6-0x0000000000FB0000-0x00000000013B0000-memory.dmp

Filesize
4.0MB

Download
memory/4364-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4364-8-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4364-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4364-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4364-11-0x0000000073CBE000-0x0000000073CBF000-memory.dmp

Filesize
4KB

Download
memory/4364-12-0x0000000005710000-0x000000000575E000-memory.dmp

Filesize
312KB

Download
memory/4364-13-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/4364-14-0x0000000005A00000-0x0000000005A4E000-memory.dmp

Filesize
312KB

Download
memory/4364-15-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

Filesize
624KB

Download
memory/4364-16-0x0000000006E00000-0x0000000006FC2000-memory.dmp

Filesize
1.8MB

Download
memory/4364-17-0x0000000006CA0000-0x0000000006CF0000-memory.dmp

Filesize
320KB

Download
memory/4364-18-0x0000000073CBE000-0x0000000073CBF000-memory.dmp

Filesize
4KB

Download
memory/4364-19-0x0000000006FD0000-0x0000000007062000-memory.dmp

Filesize
584KB

Download
memory/4364-20-0x0000000006DA0000-0x0000000006DAA000-memory.dmp

Filesize
40KB

Download

Analysis

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