vipkeylogger | 39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf

General

Target

39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
Size

1019KB
MD5

28664f8d0784c730868f15becf318efe
SHA1

080a7a0e5f19cc222624f9cf10a2e6df1c52d726
SHA256

39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf
SHA512

bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1
SSDEEP

24576:HAHnh+eWsN3skA4RV1Hom2KXMmHawap00a6kZ/K5:6h+ZkldoPK8YawuBk6

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7563060616:AAGgGu8pocoVNLzoow0Ge2U2GVDS9nDmL6Q/sendMessage?chat_id=7222025033

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\nonsubmerged.vbs	nonsubmerged.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	nonsubmerged.exe

Loads dropped DLL 1 IoCs

pid	Process
2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\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
4	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000015df1-7.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2736	2792	nonsubmerged.exe	31

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	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nonsubmerged.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2736	RegSvcs.exe
2736	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2792	nonsubmerged.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
2792	nonsubmerged.exe
2792	nonsubmerged.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
2792	nonsubmerged.exe
2792	nonsubmerged.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2792	2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe	30
PID 2648 wrote to memory of 2792	2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe	30
PID 2648 wrote to memory of 2792	2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe	30
PID 2648 wrote to memory of 2792	2648	39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe	30
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31
PID 2792 wrote to memory of 2736	2792	nonsubmerged.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe
"C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe
  "C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:2792
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf.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:2736

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

\Users\Admin\AppData\Local\deblaterate\nonsubmerged.exe

Filesize
1019KB

MD5
28664f8d0784c730868f15becf318efe

SHA1
080a7a0e5f19cc222624f9cf10a2e6df1c52d726

SHA256
39a65d909ebc773855351aa58e95b192150baf164e6165c633a6321156452baf

SHA512
bb93d1a04b7352f8c510dff40e77200a1b876c1c4117a811cb255160bc00ee2eda82b7c6e000d9247202b23e89f6021855a79981304f9c8b7131375e5078ade1

Download Submit
memory/2648-5-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2736-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2736-23-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2736-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2736-24-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2736-25-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-26-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2736-27-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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