vipkeylogger | c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5

General

Target

c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
Size

969KB
MD5

98e60b3ecb07393604513032ff9cece8
SHA1

39b4a69001bb456d3134601167b031ef516c4b63
SHA256

c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5
SHA512

b01c40902034e650f9ad7bbb0864a9d95147bab760865623147eb0904117afa0c3c857f4fb7803d2afe3f9abd8029bce835d81d5d204f3aadd3e969fb9371945
SSDEEP

24576:Bu6J33O0c+JY5UZ+XC0kGso6FaMoSYUDFX8WY:Tu0c++OCvkGs9FaMogFvY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
ifSg^KL6
Email To:
[email protected]

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\strangulates.vbs	strangulates.exe

Executes dropped EXE 1 IoCs

pid	Process
2632	strangulates.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x00060000000186ca-12.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2908	2632	strangulates.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	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	strangulates.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2908	RegSvcs.exe
2908	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2632	strangulates.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
2632	strangulates.exe
2632	strangulates.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
2632	strangulates.exe
2632	strangulates.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2632	2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	30
PID 2188 wrote to memory of 2632	2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	30
PID 2188 wrote to memory of 2632	2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	30
PID 2188 wrote to memory of 2632	2188	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	30
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31
PID 2632 wrote to memory of 2908	2632	strangulates.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
"C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\jinrikimen\strangulates.exe
  "C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.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:2632
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.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:2908

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\jinrikimen\strangulates.exe

Filesize
969KB

MD5
98e60b3ecb07393604513032ff9cece8

SHA1
39b4a69001bb456d3134601167b031ef516c4b63

SHA256
c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5

SHA512
b01c40902034e650f9ad7bbb0864a9d95147bab760865623147eb0904117afa0c3c857f4fb7803d2afe3f9abd8029bce835d81d5d204f3aadd3e969fb9371945

Download Submit
memory/2188-10-0x0000000000170000-0x0000000000174000-memory.dmp

Filesize
16KB

Download
memory/2908-30-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2908-34-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2908-32-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2908-35-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/2908-36-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-37-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/2908-38-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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