vipkeylogger | ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903

Analysis

max time kernel
122s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/11/2024, 04:00

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General

Target

ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe
Size

929KB
MD5

49e9e776c6f5d00a090adbd8814ffdc7
SHA1

4ea5b8d7b7beb2ad75bbe583c4658093c4ab12bd
SHA256

ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903
SHA512

06e761bafcf3aa68a739ec24f17db1f9d1a36f59b940c8de12fd388dbd871dd2ab443a60c7723cd77ec1f52859cef469d9493759acc8acc1cfe1c471bf06f8cd
SSDEEP

24576:L4GHnhIzOa5WPGzwQA+jLgNK5O5Y1fmdruuAF:0shdaYP3t+g3d

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot6820629737:AAGJ8tOkoD9jFHkd_L1kG1ntQ1J6zLhFsMc/sendMessage?chat_id=6783205225

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\murkest.vbs	murkest.exe

Executes dropped EXE 1 IoCs

pid	Process
1776	murkest.exe

Loads dropped DLL 1 IoCs

pid	Process
1748	ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1748-9-0x0000000000E60000-0x000000000105D000-memory.dmp	autoit_exe
behavioral1/memory/1776-23-0x00000000003C0000-0x00000000005BD000-memory.dmp	autoit_exe
behavioral1/memory/1748-1124-0x0000000002BE0000-0x0000000002DDD000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1776 set thread context of 2244	1776	murkest.exe	31

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1748-0-0x0000000000E60000-0x000000000105D000-memory.dmp	upx
behavioral1/files/0x0008000000015d0d-5.dat	upx
behavioral1/memory/1776-12-0x00000000003C0000-0x00000000005BD000-memory.dmp	upx
behavioral1/memory/1748-9-0x0000000000E60000-0x000000000105D000-memory.dmp	upx
behavioral1/memory/1776-23-0x00000000003C0000-0x00000000005BD000-memory.dmp	upx
behavioral1/memory/1748-1124-0x0000000002BE0000-0x0000000002DDD000-memory.dmp	upx

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	ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	murkest.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2244	RegSvcs.exe
2244	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1776	murkest.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1776	1748	ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe	30
PID 1748 wrote to memory of 1776	1748	ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe	30
PID 1748 wrote to memory of 1776	1748	ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe	30
PID 1748 wrote to memory of 1776	1748	ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe	30
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31
PID 1776 wrote to memory of 2244	1776	murkest.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe
"C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Keily\murkest.exe
  "C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.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:2244

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\Keily\murkest.exe

Filesize
929KB

MD5
49e9e776c6f5d00a090adbd8814ffdc7

SHA1
4ea5b8d7b7beb2ad75bbe583c4658093c4ab12bd

SHA256
ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903

SHA512
06e761bafcf3aa68a739ec24f17db1f9d1a36f59b940c8de12fd388dbd871dd2ab443a60c7723cd77ec1f52859cef469d9493759acc8acc1cfe1c471bf06f8cd

Download Submit
memory/1748-0-0x0000000000E60000-0x000000000105D000-memory.dmp

Filesize
2.0MB

Download
memory/1748-3-0x0000000000A30000-0x0000000000E30000-memory.dmp

Filesize
4.0MB

Download
memory/1748-10-0x0000000002BE0000-0x0000000002DDD000-memory.dmp

Filesize
2.0MB

Download
memory/1748-9-0x0000000000E60000-0x000000000105D000-memory.dmp

Filesize
2.0MB

Download
memory/1748-1124-0x0000000002BE0000-0x0000000002DDD000-memory.dmp

Filesize
2.0MB

Download
memory/1776-12-0x00000000003C0000-0x00000000005BD000-memory.dmp

Filesize
2.0MB

Download
memory/1776-17-0x0000000000C60000-0x0000000001060000-memory.dmp

Filesize
4.0MB

Download
memory/1776-23-0x00000000003C0000-0x00000000005BD000-memory.dmp

Filesize
2.0MB

Download
memory/2244-84-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-68-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-24-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2244-25-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2244-26-0x0000000004200000-0x0000000004260000-memory.dmp

Filesize
384KB

Download
memory/2244-27-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-28-0x00000000042D0000-0x000000000432E000-memory.dmp

Filesize
376KB

Download
memory/2244-29-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-30-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-31-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-32-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-56-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-70-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-90-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-88-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-86-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-19-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2244-82-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-80-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-78-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-76-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-74-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-72-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-21-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2244-66-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-64-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-62-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-60-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-58-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-54-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-52-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-50-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-48-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-46-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-44-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-42-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-40-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-38-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-36-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-34-0x00000000042D0000-0x0000000004328000-memory.dmp

Filesize
352KB

Download
memory/2244-1123-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-1125-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2244-1126-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-1127-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-1128-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download