vipkeylogger | 5a9679af2c72888b1632221bc1330b86d7fb779de11b51b062a1e1cb43343a75

General

Target

Keronal Trading Company - RFQ.rtf
Size

628KB
MD5

e3b822812c80a835f4af46cf6e719c62
SHA1

e95830869ed3154e59694a4366576d09946bfc73
SHA256

5a9679af2c72888b1632221bc1330b86d7fb779de11b51b062a1e1cb43343a75
SHA512

55881b9f252979c2f370d65852b9688aa3b82d3b0376405ed82fbc82d981450a72e48765d0e65d2f2e20de955101976305936bd24e81ba919716d687c9fa4af1
SSDEEP

6144:UwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAX:nRY

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.gtpv.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 2 IoCs

flow	pid	Process
5	3060	EQNEDT32.EXE
7	3060	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
2680	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
5	3060	EQNEDT32.EXE

Executes dropped EXE 2 IoCs

pid	Process
2744	chromeendy.exe
2812	chromeendy.exe

Loads dropped DLL 1 IoCs

pid	Process
3060	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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeendy.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeendy.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	chromeendy.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
8	checkip.dyndns.org
10	reallyfreegeoip.org
11	reallyfreegeoip.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 2744 set thread context of 2812	2744	chromeendy.exe	38

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	chromeendy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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	chromeendy.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
3060	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2128	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2812	chromeendy.exe
2680	powershell.exe
2812	chromeendy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	chromeendy.exe
Token: SeDebugPrivilege	2680	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2128	WINWORD.EXE
2128	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2744	3060	EQNEDT32.EXE	32
PID 3060 wrote to memory of 2744	3060	EQNEDT32.EXE	32
PID 3060 wrote to memory of 2744	3060	EQNEDT32.EXE	32
PID 3060 wrote to memory of 2744	3060	EQNEDT32.EXE	32
PID 2128 wrote to memory of 2396	2128	WINWORD.EXE	35
PID 2128 wrote to memory of 2396	2128	WINWORD.EXE	35
PID 2128 wrote to memory of 2396	2128	WINWORD.EXE	35
PID 2128 wrote to memory of 2396	2128	WINWORD.EXE	35
PID 2744 wrote to memory of 2680	2744	chromeendy.exe	36
PID 2744 wrote to memory of 2680	2744	chromeendy.exe	36
PID 2744 wrote to memory of 2680	2744	chromeendy.exe	36
PID 2744 wrote to memory of 2680	2744	chromeendy.exe	36
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38
PID 2744 wrote to memory of 2812	2744	chromeendy.exe	38

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	chromeendy.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	chromeendy.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\Keronal Trading Company - RFQ.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:2128
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2396

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
- Downloads MZ/PE file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Roaming\chromeendy.exe
  "C:\Users\Admin\AppData\Roaming\chromeendy.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\chromeendy.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:2680
- - C:\Users\Admin\AppData\Roaming\chromeendy.exe
    "C:\Users\Admin\AppData\Roaming\chromeendy.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:2812

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\chromeendy.exe

Filesize
1.1MB

MD5
e2bfaca136923b4e21f5ec3c94fa5add

SHA1
4e4705871e548966fc2c842e0e05b949fac3b77f

SHA256
286372582689c270359b64708765ec150af3fdf17f907bbacaa1680cbb8870d7

SHA512
4a95ba2ff98c6ca6e520671c24c2bd98b1fea0b5511f73d93184d4a452d32986665b343c1d6e237b6343cd0018859bab2317026a1b9038e52957a07a55b96f11

Download Submit
memory/2128-0-0x000000002FFD1000-0x000000002FFD2000-memory.dmp

Filesize
4KB

Download
memory/2128-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2128-2-0x0000000070EBD000-0x0000000070EC8000-memory.dmp

Filesize
44KB

Download
memory/2128-29-0x0000000070EBD000-0x0000000070EC8000-memory.dmp

Filesize
44KB

Download
memory/2744-27-0x0000000000C90000-0x0000000000DBA000-memory.dmp

Filesize
1.2MB

Download
memory/2744-28-0x00000000003F0000-0x000000000040E000-memory.dmp

Filesize
120KB

Download
memory/2744-30-0x0000000000AE0000-0x0000000000B6E000-memory.dmp

Filesize
568KB

Download
memory/2812-31-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-44-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-42-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-40-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-37-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-35-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-33-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

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