vipkeylogger | 3e4a1645de56b2595ebd83686945f60b1fc4242d9dada664ca9ef9d6c3f8659f

General

Target

INVOICES.bat.exe
Size

77.0MB
MD5

7832c592d6a2e403b8323da6b238e789
SHA1

1b0a4f33ed26e9284d3a93b7a119a895eb12c0f2
SHA256

3e4a1645de56b2595ebd83686945f60b1fc4242d9dada664ca9ef9d6c3f8659f
SHA512

aa38396cb18fb5c7cae17413f42b6d3ee15adc82dc5a02513bd430c27f774433186f781cada07d6709d93448404fbdae179cf018144fbf2bfff1405330cbeb09
SSDEEP

24576:1u6J33O0c+JY5UZ+XC0kGso6Fac1HJWnny4sd09pWiszrWY:Xu0c++OCvkGs9FacdJ6VpWiXY

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 2292 set thread context of 2608	2292	INVOICES.bat.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	INVOICES.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2608	svchost.exe
2608	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2292	INVOICES.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2292	INVOICES.bat.exe
2292	INVOICES.bat.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2292	INVOICES.bat.exe
2292	INVOICES.bat.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2608	2292	INVOICES.bat.exe	31
PID 2292 wrote to memory of 2608	2292	INVOICES.bat.exe	31
PID 2292 wrote to memory of 2608	2292	INVOICES.bat.exe	31
PID 2292 wrote to memory of 2608	2292	INVOICES.bat.exe	31
PID 2292 wrote to memory of 2608	2292	INVOICES.bat.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\INVOICES.bat.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICES.bat.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:2292
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICES.bat.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:2608

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/2292-6-0x0000000000780000-0x0000000000B80000-memory.dmp

Filesize
4.0MB

Download
memory/2608-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2608-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2608-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2608-11-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2608-12-0x0000000000440000-0x000000000048E000-memory.dmp

Filesize
312KB

Download
memory/2608-13-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-15-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-16-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-14-0x0000000001CE0000-0x0000000001D2E000-memory.dmp

Filesize
312KB

Download
memory/2608-17-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-18-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2608-19-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-20-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2608-21-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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