vipkeylogger | b7d62d77cace855288bf6b463f8ad783316594f90dad78d97a7ea85be58b8bc3

General

Target

b7d62d77cace855288bf6b463f8ad783316594f90dad78d97a7ea85be58b8bc3.rtf
Size

910KB
MD5

71b37aac269badfe278550c567b76db4
SHA1

a7fb35d35eb23fe3b4358e3c843f5982a161534e
SHA256

b7d62d77cace855288bf6b463f8ad783316594f90dad78d97a7ea85be58b8bc3
SHA512

db5999667758c607c1322dcd2652b350098a03f6bcd81c884efa5005920771a909f644a62979e7b4fd85d569a7374f9b980345bda822e1aa493e4c428d1c2b67
SSDEEP

6144:VwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAGX3vfwukn15uV:I9

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
3	2744	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
2136	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

Processes:

obigfdsdf.exeobigfdsdf.exe

pid	Process
2636	obigfdsdf.exe
3028	obigfdsdf.exe

Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid	Process
2744	EQNEDT32.EXE
2744	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:

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

obigfdsdf.exe

description	pid	Process	procid_target
PID 2636 set thread context of 3028	2636	obigfdsdf.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.EXEobigfdsdf.exeobigfdsdf.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	obigfdsdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	obigfdsdf.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
2744	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid	Process
2888	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

obigfdsdf.exepowershell.exe

pid	Process
3028	obigfdsdf.exe
2136	powershell.exe
3028	obigfdsdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

obigfdsdf.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	3028	obigfdsdf.exe
Token: SeDebugPrivilege	2136	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid	Process
2888	WINWORD.EXE
2888	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEobigfdsdf.exe

description	pid	Process	procid_target
PID 2744 wrote to memory of 2636	2744	EQNEDT32.EXE	31
PID 2744 wrote to memory of 2636	2744	EQNEDT32.EXE	31
PID 2744 wrote to memory of 2636	2744	EQNEDT32.EXE	31
PID 2744 wrote to memory of 2636	2744	EQNEDT32.EXE	31
PID 2888 wrote to memory of 1656	2888	WINWORD.EXE	33
PID 2888 wrote to memory of 1656	2888	WINWORD.EXE	33
PID 2888 wrote to memory of 1656	2888	WINWORD.EXE	33
PID 2888 wrote to memory of 1656	2888	WINWORD.EXE	33
PID 2636 wrote to memory of 2136	2636	obigfdsdf.exe	34
PID 2636 wrote to memory of 2136	2636	obigfdsdf.exe	34
PID 2636 wrote to memory of 2136	2636	obigfdsdf.exe	34
PID 2636 wrote to memory of 2136	2636	obigfdsdf.exe	34
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36
PID 2636 wrote to memory of 3028	2636	obigfdsdf.exe	36

outlook_office_path 1 IoCs

Processes:

obigfdsdf.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	obigfdsdf.exe

outlook_win_path 1 IoCs

Processes:

obigfdsdf.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	obigfdsdf.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\b7d62d77cace855288bf6b463f8ad783316594f90dad78d97a7ea85be58b8bc3.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:2888
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1656

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:2744
- C:\Users\Admin\AppData\Roaming\obigfdsdf.exe
  "C:\Users\Admin\AppData\Roaming\obigfdsdf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\obigfdsdf.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:2136
- - C:\Users\Admin\AppData\Roaming\obigfdsdf.exe
    "C:\Users\Admin\AppData\Roaming\obigfdsdf.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:3028

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\obigfdsdf.exe

Filesize
692KB

MD5
66ff1390c2cb8e18a5ed550f8dce6a34

SHA1
17f102c8ec11b0435b158ed898f9d95f2cd31638

SHA256
bc4f57934371fb9a46fe4ca5166ab1a4e16d523c4a43c28e4a7eded85839166b

SHA512
ae1c0e214b31d4613e74b4c59f2d670cf32a039c2eb0cf92a1c2b71a652c436c891a3abc52a1ea80ef4c7cff1cf009ccc2149cb2765ed596b48e8f84cee242fd

Download Submit
memory/2636-17-0x00000000011A0000-0x0000000001252000-memory.dmp

Filesize
712KB

Download
memory/2636-18-0x00000000003B0000-0x00000000003C2000-memory.dmp

Filesize
72KB

Download
memory/2636-20-0x0000000005D10000-0x0000000005D9E000-memory.dmp

Filesize
568KB

Download
memory/2888-0-0x000000002FA61000-0x000000002FA62000-memory.dmp

Filesize
4KB

Download
memory/2888-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2888-2-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

Filesize
44KB

Download
memory/2888-19-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

Filesize
44KB

Download
memory/3028-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-30-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-32-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-34-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-23-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3028-27-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads