vipkeylogger | 1e295bf3238ae4405f5d08931664c0f24302bf08afc435f7b86976156459d101

General

Target

SKMINV_021820.exe
Size

985KB
MD5

31cf398cc825179e2de68a6016650fe0
SHA1

642a81cdff887f6971432f52e8a7188ed7fa4756
SHA256

1e295bf3238ae4405f5d08931664c0f24302bf08afc435f7b86976156459d101
SHA512

beda48234081383d3264163f0110e417e66a19c67cb272b2b0c91eba26e23259f6acb1b45389bc7b1bf5325a7003440132185e05b9488032020bc2680cc2d604
SSDEEP

24576:au6J33O0c+JY5UZ+XC0kGso6FaIrZDzM0w8WY:su0c++OCvkGs9FaIlDzMJY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8147029509:AAHOha0S3D-blAHJOc52puTyRaB20Yx1H9U/sendMessage?chat_id=8106734854

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-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\16.0\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
19	reallyfreegeoip.org
20	reallyfreegeoip.org
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 3328	1816	SKMINV_021820.exe	88

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4704	1816	WerFault.exe	83

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	SKMINV_021820.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3328	RegSvcs.exe
3328	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1816	SKMINV_021820.exe
1816	SKMINV_021820.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3328	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1816	SKMINV_021820.exe
1816	SKMINV_021820.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1816	SKMINV_021820.exe
1816	SKMINV_021820.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 3328	1816	SKMINV_021820.exe	88
PID 1816 wrote to memory of 3328	1816	SKMINV_021820.exe	88
PID 1816 wrote to memory of 3328	1816	SKMINV_021820.exe	88
PID 1816 wrote to memory of 3328	1816	SKMINV_021820.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SKMINV_021820.exe
"C:\Users\Admin\AppData\Local\Temp\SKMINV_021820.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:1816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\SKMINV_021820.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:3328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 696
  2⤵
  - Program crash
  PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1816 -ip 1816
1⤵
PID:4316

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

Loading Replay Monitor...

Downloads

memory/1816-10-0x0000000003470000-0x0000000003474000-memory.dmp

Filesize
16KB

Download
memory/3328-11-0x0000000000190000-0x00000000001DA000-memory.dmp

Filesize
296KB

Download
memory/3328-12-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/3328-13-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/3328-14-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

Filesize
624KB

Download
memory/3328-15-0x0000000073B30000-0x00000000742E0000-memory.dmp

Filesize
7.7MB

Download
memory/3328-16-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/3328-17-0x0000000073B30000-0x00000000742E0000-memory.dmp

Filesize
7.7MB

Download
memory/3328-18-0x0000000005FD0000-0x0000000006192000-memory.dmp

Filesize
1.8MB

Download
memory/3328-19-0x0000000005E50000-0x0000000005EA0000-memory.dmp

Filesize
320KB

Download
memory/3328-20-0x00000000066D0000-0x0000000006BFC000-memory.dmp

Filesize
5.2MB

Download
memory/3328-21-0x00000000061A0000-0x0000000006232000-memory.dmp

Filesize
584KB

Download
memory/3328-22-0x0000000005F90000-0x0000000005F9A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing