vipkeylogger | 05112b680930bb43c94cb3b566540e9740e058d8bc6c36fdd1f9e018abec3544

General

Target

w1svdfWNYHVYMjK.rtf
Size

389KB
MD5

e78429a983cb429973b1227b19a41d36
SHA1

fef2461dd913865e8cf4f7a96ba771afa7a4c24f
SHA256

05112b680930bb43c94cb3b566540e9740e058d8bc6c36fdd1f9e018abec3544
SHA512

48fc172ecc95483e54981989abe259a4892e226caa40b9710a0fc1758f9531fe2788a9275f1537fd3458d6c3624e4c28b7c3e21571961d368609cc76e2908823
SSDEEP

6144:wwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAQXE5ZeO:h

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
jhxkgroup.online
Port:
587
Username:
[email protected]
Password:
7213575aceACE@
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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2336	EQNEDT32.EXE

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
536	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2740	agodkelyvnc.exe
1828	agodkelyvnc.exe
776	agodkelyvnc.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	EQNEDT32.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	agodkelyvnc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	agodkelyvnc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	agodkelyvnc.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
5	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 776	2740	agodkelyvnc.exe	39

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.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 5 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	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	agodkelyvnc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	agodkelyvnc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE

Office loads VBA resources, possible macro or embedded object present

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
2336	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2376	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2740	agodkelyvnc.exe
2740	agodkelyvnc.exe
776	agodkelyvnc.exe
536	powershell.exe
776	agodkelyvnc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	agodkelyvnc.exe
Token: SeDebugPrivilege	776	agodkelyvnc.exe
Token: SeDebugPrivilege	536	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2376	WINWORD.EXE
2376	WINWORD.EXE

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2740	2336	EQNEDT32.EXE	33
PID 2336 wrote to memory of 2740	2336	EQNEDT32.EXE	33
PID 2336 wrote to memory of 2740	2336	EQNEDT32.EXE	33
PID 2336 wrote to memory of 2740	2336	EQNEDT32.EXE	33
PID 2376 wrote to memory of 2360	2376	WINWORD.EXE	35
PID 2376 wrote to memory of 2360	2376	WINWORD.EXE	35
PID 2376 wrote to memory of 2360	2376	WINWORD.EXE	35
PID 2376 wrote to memory of 2360	2376	WINWORD.EXE	35
PID 2740 wrote to memory of 536	2740	agodkelyvnc.exe	36
PID 2740 wrote to memory of 536	2740	agodkelyvnc.exe	36
PID 2740 wrote to memory of 536	2740	agodkelyvnc.exe	36
PID 2740 wrote to memory of 536	2740	agodkelyvnc.exe	36
PID 2740 wrote to memory of 1828	2740	agodkelyvnc.exe	38
PID 2740 wrote to memory of 1828	2740	agodkelyvnc.exe	38
PID 2740 wrote to memory of 1828	2740	agodkelyvnc.exe	38
PID 2740 wrote to memory of 1828	2740	agodkelyvnc.exe	38
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39
PID 2740 wrote to memory of 776	2740	agodkelyvnc.exe	39

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	agodkelyvnc.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	agodkelyvnc.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\w1svdfWNYHVYMjK.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2360

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe
  "C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:536
- - C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe
    "C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe"
    3⤵
    - Executes dropped EXE
    PID:1828
- - C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe
    "C:\Users\Admin\AppData\Roaming\agodkelyvnc.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Exploitation for Client Execution

1

T1203

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

\Users\Admin\AppData\Roaming\agodkelyvnc.exe

Filesize
815KB

MD5
a2cf106de3926f3327383030cd8335f7

SHA1
3aecaece061656a79409c55d5292790e2fb818ad

SHA256
10f8204d1888d835105f1290b304e60911508d30fc6c4bc454f6e484ebfdb8d6

SHA512
e0636337ec531d60a412195192d6ae1882349863ecd5818735ca91168b4f5d869268b6f3c4fd2711b580ffd94d352372188b2e670072e106b58069358f655c3a

Download Submit
memory/776-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/776-27-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/776-29-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/776-31-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/776-34-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/776-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/776-37-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/776-36-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2376-2-0x000000007137D000-0x0000000071388000-memory.dmp

Filesize
44KB

Download
memory/2376-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2376-0-0x000000002F6A1000-0x000000002F6A2000-memory.dmp

Filesize
4KB

Download
memory/2376-20-0x000000007137D000-0x0000000071388000-memory.dmp

Filesize
44KB

Download
memory/2740-13-0x000000006B2BE000-0x000000006B2BF000-memory.dmp

Filesize
4KB

Download
memory/2740-23-0x00000000051E0000-0x000000000526E000-memory.dmp

Filesize
568KB

Download
memory/2740-22-0x000000006B2BE000-0x000000006B2BF000-memory.dmp

Filesize
4KB

Download
memory/2740-21-0x0000000000540000-0x0000000000552000-memory.dmp

Filesize
72KB

Download
memory/2740-15-0x0000000000C60000-0x0000000000D30000-memory.dmp

Filesize
832KB

Download

Analysis

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