vipkeylogger | f2b4cbf30c6bb887655afe52c602d512221fdd185718786972f4cccdb2d0d04d

General

Target

PO#I-23-00007.exe
Size

1.0MB
MD5

fcf9d6b4116b8ed364365276d6e59e1b
SHA1

fc3f2846ae840756415e05ecbc4d8972af0c29d1
SHA256

a43a19822df06a57655413a8bb229547212eedd3b5271e3f4890212bbda5ceb0
SHA512

72e5ad59ac233d8566f5fd2c09c9d2a63557da59127328b1736eb1abc20e0c2066fb5ec8f670743266562ab93c9f30e1d0d47738c5729048a3cd41ccad962ee2
SSDEEP

12288:dtb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgamTdAM8Tyarg0Am6A:dtb20pkaCqT5TBWgNQ7a+d+Tyd0Am6A

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7567650575:AAHvGGF6TZiX_cMd8iYGZUXmOL-zDO7vZNI/sendMessage?chat_id=7654658491

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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
13	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5080 set thread context of 1124	5080	PO#I-23-00007.exe	84

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	PO#I-23-00007.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1124	RegSvcs.exe
1124	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5080	PO#I-23-00007.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5080	PO#I-23-00007.exe
5080	PO#I-23-00007.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5080	PO#I-23-00007.exe
5080	PO#I-23-00007.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 1124	5080	PO#I-23-00007.exe	84
PID 5080 wrote to memory of 1124	5080	PO#I-23-00007.exe	84
PID 5080 wrote to memory of 1124	5080	PO#I-23-00007.exe	84
PID 5080 wrote to memory of 1124	5080	PO#I-23-00007.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO#I-23-00007.exe
"C:\Users\Admin\AppData\Local\Temp\PO#I-23-00007.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:5080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\PO#I-23-00007.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:1124

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/1124-12-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/1124-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1124-8-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/1124-9-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/1124-10-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/1124-11-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1124-13-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/1124-14-0x0000000006AB0000-0x0000000006C72000-memory.dmp

Filesize
1.8MB

Download
memory/1124-15-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/1124-16-0x00000000071B0000-0x00000000076DC000-memory.dmp

Filesize
5.2MB

Download
memory/1124-17-0x0000000006D20000-0x0000000006DB2000-memory.dmp

Filesize
584KB

Download
memory/1124-18-0x0000000006C80000-0x0000000006C8A000-memory.dmp

Filesize
40KB

Download
memory/5080-6-0x0000000001050000-0x0000000001450000-memory.dmp

Filesize
4.0MB

Download

Analysis

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