vipkeylogger | f0e96ef67f19326d7a5333b21da44bf521dee61bbd3eac4d7fdd86b24babcaeb

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 04:01

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General

Target

rCEMG242598.exe
Size

667KB
MD5

d041f3db7efd3c320a10beb6a5aefb46
SHA1

36b423dd9e91db75a79a73ac5b69ab5e0c800e51
SHA256

f0e96ef67f19326d7a5333b21da44bf521dee61bbd3eac4d7fdd86b24babcaeb
SHA512

6676951ac8c89327b63f4e48ed908ee3c0f16bafb59f3080ead08addb0e5d6213d6d55d532f496ec4602614ed9f00f4984fc0bb741be491ad7d58b35a85a8b1b
SSDEEP

12288:fTkuHDduDlik/sI71e9C8sQKnsk2axTsb:fTRodsknaqxTsb

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot8148338634:AAFvLNrhxaF7bMPzQMLbUnueRMJvDIi5kcU/sendMessage?chat_id=7698865320

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

Loads dropped DLL 1 IoCs

Processes:

rCEMG242598.exe

pid	Process
388	rCEMG242598.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

rCEMG242598.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rCEMG242598.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rCEMG242598.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rCEMG242598.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

Processes:

flow	ioc
32	drive.google.com
33	drive.google.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
44	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

rCEMG242598.exe

pid	Process
4420	rCEMG242598.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

rCEMG242598.exerCEMG242598.exe

pid	Process
388	rCEMG242598.exe
4420	rCEMG242598.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rCEMG242598.exe

description	pid	Process	procid_target
PID 388 set thread context of 4420	388	rCEMG242598.exe	101

Drops file in Windows directory 1 IoCs

Processes:

rCEMG242598.exe

description	ioc	Process
File opened for modification	C:\Windows\Kernelder\nyxis.ini	rCEMG242598.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Processes:

rCEMG242598.exerCEMG242598.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rCEMG242598.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rCEMG242598.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rCEMG242598.exe

pid	Process
4420	rCEMG242598.exe
4420	rCEMG242598.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rCEMG242598.exe

pid	Process
388	rCEMG242598.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rCEMG242598.exe

description	pid	Process
Token: SeDebugPrivilege	4420	rCEMG242598.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rCEMG242598.exe

description	pid	Process	procid_target
PID 388 wrote to memory of 4420	388	rCEMG242598.exe	101
PID 388 wrote to memory of 4420	388	rCEMG242598.exe	101
PID 388 wrote to memory of 4420	388	rCEMG242598.exe	101
PID 388 wrote to memory of 4420	388	rCEMG242598.exe	101
PID 388 wrote to memory of 4420	388	rCEMG242598.exe	101

outlook_office_path 1 IoCs

Processes:

rCEMG242598.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rCEMG242598.exe

outlook_win_path 1 IoCs

Processes:

rCEMG242598.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rCEMG242598.exe

C:\Users\Admin\AppData\Local\Temp\rCEMG242598.exe
"C:\Users\Admin\AppData\Local\Temp\rCEMG242598.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\rCEMG242598.exe
  "C:\Users\Admin\AppData\Local\Temp\rCEMG242598.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsl7CC2.tmp\System.dll

Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/388-9-0x00000000777E1000-0x0000000077901000-memory.dmp

Filesize
1.1MB

Download
memory/388-10-0x00000000777E1000-0x0000000077901000-memory.dmp

Filesize
1.1MB

Download
memory/388-11-0x0000000074644000-0x0000000074645000-memory.dmp

Filesize
4KB

Download
memory/4420-12-0x0000000077868000-0x0000000077869000-memory.dmp

Filesize
4KB

Download
memory/4420-13-0x0000000077885000-0x0000000077886000-memory.dmp

Filesize
4KB

Download
memory/4420-27-0x00000000777E1000-0x0000000077901000-memory.dmp

Filesize
1.1MB

Download
memory/4420-26-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/4420-28-0x00000000726DE000-0x00000000726DF000-memory.dmp

Filesize
4KB

Download
memory/4420-29-0x0000000000480000-0x00000000004C8000-memory.dmp

Filesize
288KB

Download
memory/4420-30-0x0000000038F30000-0x00000000394D4000-memory.dmp

Filesize
5.6MB

Download
memory/4420-31-0x0000000039520000-0x00000000395BC000-memory.dmp

Filesize
624KB

Download
memory/4420-32-0x00000000726D0000-0x0000000072E80000-memory.dmp

Filesize
7.7MB

Download
memory/4420-34-0x00000000726DE000-0x00000000726DF000-memory.dmp

Filesize
4KB

Download
memory/4420-35-0x00000000726D0000-0x0000000072E80000-memory.dmp

Filesize
7.7MB

Download
memory/4420-39-0x0000000039B20000-0x0000000039CE2000-memory.dmp

Filesize
1.8MB

Download
memory/4420-40-0x0000000036830000-0x0000000036880000-memory.dmp

Filesize
320KB

Download
memory/4420-42-0x00000000063F0000-0x0000000006482000-memory.dmp

Filesize
584KB

Download
memory/4420-43-0x00000000064D0000-0x00000000064DA000-memory.dmp

Filesize
40KB

Download