vipkeylogger | 1a8ffdb70591463b95ad437130b052124f5e6f61ac0b643058dc91a827a2a189

General

Target

Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe
Size

1.1MB
MD5

0504db08c76a38dec08e4f6b2a155cf1
SHA1

a0f6fe508e54bc8d6c5d5402f04d35cb27975021
SHA256

1a8ffdb70591463b95ad437130b052124f5e6f61ac0b643058dc91a827a2a189
SHA512

35a5375389c5f5591e8b12b62e73a550eeb57995c738eae586b9df23e0504e940c2fa17143319a5d556adc3f4ffa0ac3fa65e47798d75a5898f0dce2f186e699
SSDEEP

24576:sqDEvCTbMWu7rQYlBQcBiT6rprG8amh8N:sTvC/MTQYxsWR7am

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.acadental.com
Port:
587
Username:
[email protected]
Password:
Dental9201$
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\robustuous.vbs	robustuous.exe

Executes dropped EXE 1 IoCs

pid	Process
840	robustuous.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\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
15	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000b000000023b65-9.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 972	840	robustuous.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 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	Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	robustuous.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
972	RegSvcs.exe
972	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
840	robustuous.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 840	2724	Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe	82
PID 2724 wrote to memory of 840	2724	Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe	82
PID 2724 wrote to memory of 840	2724	Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe	82
PID 840 wrote to memory of 972	840	robustuous.exe	83
PID 840 wrote to memory of 972	840	robustuous.exe	83
PID 840 wrote to memory of 972	840	robustuous.exe	83
PID 840 wrote to memory of 972	840	robustuous.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\tapestrylike\robustuous.exe
  "C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:840
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de compra 20738377 3 4514245446 line #1490.xlsx.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:972

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

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Downloads

C:\Users\Admin\AppData\Local\tapestrylike\robustuous.exe

Filesize
1.1MB

MD5
0504db08c76a38dec08e4f6b2a155cf1

SHA1
a0f6fe508e54bc8d6c5d5402f04d35cb27975021

SHA256
1a8ffdb70591463b95ad437130b052124f5e6f61ac0b643058dc91a827a2a189

SHA512
35a5375389c5f5591e8b12b62e73a550eeb57995c738eae586b9df23e0504e940c2fa17143319a5d556adc3f4ffa0ac3fa65e47798d75a5898f0dce2f186e699

Download Submit
memory/840-18-0x0000000000EA0000-0x00000000012A0000-memory.dmp

Filesize
4.0MB

Download
memory/972-24-0x00000000754F0000-0x0000000075CA0000-memory.dmp

Filesize
7.7MB

Download
memory/972-20-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/972-21-0x00000000754FE000-0x00000000754FF000-memory.dmp

Filesize
4KB

Download
memory/972-22-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/972-23-0x0000000005890000-0x000000000592C000-memory.dmp

Filesize
624KB

Download
memory/972-25-0x00000000754FE000-0x00000000754FF000-memory.dmp

Filesize
4KB

Download
memory/972-26-0x0000000006D50000-0x0000000006F12000-memory.dmp

Filesize
1.8MB

Download
memory/972-27-0x0000000006BD0000-0x0000000006C20000-memory.dmp

Filesize
320KB

Download
memory/972-28-0x0000000007450000-0x000000000797C000-memory.dmp

Filesize
5.2MB

Download
memory/972-29-0x00000000754F0000-0x0000000075CA0000-memory.dmp

Filesize
7.7MB

Download
memory/972-30-0x0000000006CB0000-0x0000000006D42000-memory.dmp

Filesize
584KB

Download
memory/972-31-0x0000000001620000-0x000000000162A000-memory.dmp

Filesize
40KB

Download
memory/2724-6-0x0000000001200000-0x0000000001600000-memory.dmp

Filesize
4.0MB

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Analysis

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