vipkeylogger | 4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc

General

Target

4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
Size

737KB
MD5

99334c137b21036493a00305cd3189da
SHA1

3f4e22efc054a79fe7f1644b564f7a78d438f497
SHA256

4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc
SHA512

b734366e0678853abdf0e4704abeb88a545156b210d2243f9019e2506f40e6ba640f74b069e1753305245bd1a7376ff9dff462661419a52100e0d1901c976406
SSDEEP

12288:h15vH3RbeXyL05XULmZtHnZW11dSduUmDAqpNjm8M4FK/e3LsNejj1x9/:hnvH35eXNYulnZ6dSTmDQ8LE/APj1n

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware 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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2296	powershell.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

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	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33

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 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	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
2120	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
2296	powershell.exe
2120	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
Token: SeDebugPrivilege	2120	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
Token: SeDebugPrivilege	2296	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2120	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2296	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	31
PID 1708 wrote to memory of 2296	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	31
PID 1708 wrote to memory of 2296	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	31
PID 1708 wrote to memory of 2296	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	31
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33
PID 1708 wrote to memory of 2120	1708	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe	33

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	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.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	4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe

C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
"C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2296
- C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
  "C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1708-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/1708-1-0x0000000000B50000-0x0000000000C0E000-memory.dmp

Filesize
760KB

Download
memory/1708-2-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/1708-3-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download
memory/1708-4-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/1708-5-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/1708-6-0x0000000005810000-0x000000000589E000-memory.dmp

Filesize
568KB

Download
memory/1708-25-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2120-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-22-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2120-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2120-26-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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