vipkeylogger | 4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c

General

Target

4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe
Size

77.0MB
MD5

27104bc9bbda65335f6d957b2a46f54e
SHA1

f0318487cc08efd7610cae7709e4e64ee674900a
SHA256

4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c
SHA512

fc04decf67ab836c63d4fc7ffc4df7a36074d228e7cd035fc329275a947f2c5bebd0289bdc8cb635cf546d5fa6013014a41d93fb618d78c8735df3a959e84ee4
SSDEEP

24576:Jtb20pkaCqT5TBWgNQ7a7SnlFpNPE/xKFk6A:aVg5tQ7a7QoxKi5

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 868 set thread context of 3020	868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe	31

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	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	svchost.exe
3020	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3020	868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe	31
PID 868 wrote to memory of 3020	868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe	31
PID 868 wrote to memory of 3020	868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe	31
PID 868 wrote to memory of 3020	868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe	31
PID 868 wrote to memory of 3020	868	4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe
"C:\Users\Admin\AppData\Local\Temp\4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\4c3e362e7263ed1d17aa6c8681079c015e590503ff52e534078afe45333e872c.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:3020

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/868-11-0x0000000000B30000-0x0000000000F30000-memory.dmp

Filesize
4.0MB

Download
memory/3020-12-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3020-14-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3020-15-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3020-16-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/3020-17-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/3020-18-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-19-0x0000000001DD0000-0x0000000001E1E000-memory.dmp

Filesize
312KB

Download
memory/3020-20-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-21-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-22-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-23-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/3020-24-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-25-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-26-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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