vipkeylogger | 303f6cb6bffb7bab41a611f99a776a07fcfda896cb344d3eb4f34461922c60b4

General

Target

blhbZrtqbLg6O1K.rtf
Size

857KB
MD5

9b33bc2074cc4df27de67aa3a4751207
SHA1

7f6d18d3a714e92dbb75b58216dcb01bf0e7f3dc
SHA256

303f6cb6bffb7bab41a611f99a776a07fcfda896cb344d3eb4f34461922c60b4
SHA512

e30ca2358a7e5dc4adad2b04fa33289eab853fa5a6cff1305019fd4576305caeedb2bb687065641ceeca6f00e23f638ca2806cfd58844bcc56e9136e3d39309f
SSDEEP

6144:bwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAbASv7iF//kmFPSC/mQpShv:2

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.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

Processes:

EQNEDT32.EXE

flow	pid	Process
2	2736	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

Processes:

powershell.exe

pid	Process
2012	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

Processes:

obigfhdsd.exeobigfhdsd.exe

pid	Process
2684	obigfhdsd.exe
2152	obigfhdsd.exe

Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid	Process
2736	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

Processes:

obigfhdsd.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obigfhdsd.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obigfhdsd.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obigfhdsd.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.

Processes:

flow	ioc
6	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

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

Processes:

obigfhdsd.exe

description	pid	Process	procid_target
PID 2684 set thread context of 2152	2684	obigfhdsd.exe	36

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

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

Processes:

WINWORD.EXEEQNEDT32.EXEobigfhdsd.exeobigfhdsd.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	obigfhdsd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	obigfhdsd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Processes:

EQNEDT32.EXE

pid	Process
2736	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid	Process
288	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

obigfhdsd.exepowershell.exe

pid	Process
2152	obigfhdsd.exe
2012	powershell.exe
2152	obigfhdsd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

obigfhdsd.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2152	obigfhdsd.exe
Token: SeDebugPrivilege	2012	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid	Process
288	WINWORD.EXE
288	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEobigfhdsd.exe

description	pid	Process	procid_target
PID 2736 wrote to memory of 2684	2736	EQNEDT32.EXE	31
PID 2736 wrote to memory of 2684	2736	EQNEDT32.EXE	31
PID 2736 wrote to memory of 2684	2736	EQNEDT32.EXE	31
PID 2736 wrote to memory of 2684	2736	EQNEDT32.EXE	31
PID 288 wrote to memory of 2000	288	WINWORD.EXE	33
PID 288 wrote to memory of 2000	288	WINWORD.EXE	33
PID 288 wrote to memory of 2000	288	WINWORD.EXE	33
PID 288 wrote to memory of 2000	288	WINWORD.EXE	33
PID 2684 wrote to memory of 2012	2684	obigfhdsd.exe	34
PID 2684 wrote to memory of 2012	2684	obigfhdsd.exe	34
PID 2684 wrote to memory of 2012	2684	obigfhdsd.exe	34
PID 2684 wrote to memory of 2012	2684	obigfhdsd.exe	34
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36
PID 2684 wrote to memory of 2152	2684	obigfhdsd.exe	36

outlook_office_path 1 IoCs

Processes:

obigfhdsd.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obigfhdsd.exe

outlook_win_path 1 IoCs

Processes:

obigfhdsd.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obigfhdsd.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\blhbZrtqbLg6O1K.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:288
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2000

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:2736
- C:\Users\Admin\AppData\Roaming\obigfhdsd.exe
  "C:\Users\Admin\AppData\Roaming\obigfhdsd.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\obigfhdsd.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:2012
- - C:\Users\Admin\AppData\Roaming\obigfhdsd.exe
    "C:\Users\Admin\AppData\Roaming\obigfhdsd.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:2152

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

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Downloads

\Users\Admin\AppData\Roaming\obigfhdsd.exe

Filesize
699KB

MD5
32317fa8ed09561ea6de5ee91c3a971d

SHA1
a1dc40e480493d39a2335963e6d0f1e6bf9fea82

SHA256
117f1bc3d9a04cc8bbc9b0f681745c480f6744ddebd5879e32a05e7c7b3c492f

SHA512
49d43a2adaa04895025cba7810bcb6b980930e20307e5d8684c89b58e23e59639ded7e6a3396c54aa0475dd9f046de617f2cb16d7cf37263a1b643f7adf274c6

Download Submit
memory/288-21-0x000000007094D000-0x0000000070958000-memory.dmp

Filesize
44KB

Download
memory/288-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/288-2-0x000000007094D000-0x0000000070958000-memory.dmp

Filesize
44KB

Download
memory/288-0-0x000000002F661000-0x000000002F662000-memory.dmp

Filesize
4KB

Download
memory/2152-30-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2152-37-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2152-26-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2152-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2152-33-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2152-24-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2152-28-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2152-35-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2684-13-0x000000006AC8E000-0x000000006AC8F000-memory.dmp

Filesize
4KB

Download
memory/2684-23-0x0000000004D10000-0x0000000004D9E000-memory.dmp

Filesize
568KB

Download
memory/2684-22-0x000000006AC8E000-0x000000006AC8F000-memory.dmp

Filesize
4KB

Download
memory/2684-16-0x00000000004B0000-0x00000000004C2000-memory.dmp

Filesize
72KB

Download
memory/2684-15-0x00000000010F0000-0x00000000011A6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads