vipkeylogger | 93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861

Analysis

max time kernel
120s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 02:54

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General

Target

93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe
Size

1.1MB
MD5

f0fadc1fc5492e928e1b0f1110910dc3
SHA1

b5b3829ef9e5b94c00acc84be0a9054c98cd57d0
SHA256

93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861
SHA512

2f185f8c33301e7e7db59e6e26ebe2703a3a6cf9dd85eda837f5597d17af450f956574286b73a92d8eebd94552927ef3240d6ed317768662be3220ed6a7b31b3
SSDEEP

24576:vu6J33O0c+JY5UZ+XC0kGso6FaNQk2kARqoZzpWY:Zu0c++OCvkGs9FaNQkGR9eY

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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2060	leucoryx.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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
4	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000016de4-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 2140	2060	leucoryx.exe	32

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	leucoryx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2140	RegSvcs.exe
2140	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2060	leucoryx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe
2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe
2060	leucoryx.exe
2060	leucoryx.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe
2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe
2060	leucoryx.exe
2060	leucoryx.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2060	2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe	31
PID 2512 wrote to memory of 2060	2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe	31
PID 2512 wrote to memory of 2060	2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe	31
PID 2512 wrote to memory of 2060	2512	93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe	31
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32
PID 2060 wrote to memory of 2140	2060	leucoryx.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe
"C:\Users\Admin\AppData\Local\Temp\93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Maianthemum\leucoryx.exe
  "C:\Users\Admin\AppData\Local\Temp\93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.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:2060
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861.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:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Maianthemum\leucoryx.exe

Filesize
1.1MB

MD5
f0fadc1fc5492e928e1b0f1110910dc3

SHA1
b5b3829ef9e5b94c00acc84be0a9054c98cd57d0

SHA256
93cc7fdbc44befd6926f08604df3baea4698df845cb80d97f026eb5481341861

SHA512
2f185f8c33301e7e7db59e6e26ebe2703a3a6cf9dd85eda837f5597d17af450f956574286b73a92d8eebd94552927ef3240d6ed317768662be3220ed6a7b31b3

Download Submit
memory/2060-20-0x0000000000AF0000-0x0000000000EF0000-memory.dmp

Filesize
4.0MB

Download
memory/2140-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-26-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

Filesize
4KB

Download
memory/2140-27-0x0000000000360000-0x00000000003C0000-memory.dmp

Filesize
384KB

Download
memory/2140-28-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-29-0x0000000001FE0000-0x000000000203C000-memory.dmp

Filesize
368KB

Download
memory/2140-30-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-31-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-33-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-32-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-49-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-47-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-45-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-43-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-41-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-39-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-37-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-35-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-51-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-63-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-61-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-59-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-57-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-55-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-53-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-65-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-81-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-79-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-77-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-75-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-73-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-71-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-69-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-67-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-83-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-91-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-89-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-87-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-85-0x0000000001FE0000-0x0000000002038000-memory.dmp

Filesize
352KB

Download
memory/2140-1122-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-1123-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-1124-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

Filesize
4KB

Download
memory/2140-1125-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-1126-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2140-1127-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2512-6-0x00000000009F0000-0x0000000000DF0000-memory.dmp

Filesize
4.0MB

Download