vipkeylogger | 61d3e5183fd1a0ef9c6d5c3f923fdbb1558c1b3ebcdc7f3e960a7dae1709e592

General

Target

61d3e5183fd1a0ef9c6d5c3f923fdbb1558c1b3ebcdc7f3e960a7dae1709e592.rtf
Size

731KB
MD5

e616a0fab41b046b3fd51b5697ab23dc
SHA1

b371c54ebf39448731647271131e8c65f8c44bfc
SHA256

61d3e5183fd1a0ef9c6d5c3f923fdbb1558c1b3ebcdc7f3e960a7dae1709e592
SHA512

746508833d80a8fdd354f525d884ac3dc8983f1d9c71599ba5aa363eb4697476b02d2f13e4c775f14efb49215a3920307379bfa4fb617937f1ba48f09cc7a1fe
SSDEEP

6144:5wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwA64Rt24k3VI0PQyntV1E:SC

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.covid19support.top
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
3	2152	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
344	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2812	obirfsgjkf.exe
2116	obirfsgjkf.exe

Loads dropped DLL 2 IoCs

pid	Process
2152	EQNEDT32.EXE
2152	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obirfsgjkf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obirfsgjkf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obirfsgjkf.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 2812 set thread context of 2116	2812	obirfsgjkf.exe	37

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	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	obirfsgjkf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	obirfsgjkf.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

pid	Process
2152	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1520	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2116	obirfsgjkf.exe
344	powershell.exe
2116	obirfsgjkf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	obirfsgjkf.exe
Token: SeDebugPrivilege	344	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1520	WINWORD.EXE
1520	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2812	2152	EQNEDT32.EXE	32
PID 2152 wrote to memory of 2812	2152	EQNEDT32.EXE	32
PID 2152 wrote to memory of 2812	2152	EQNEDT32.EXE	32
PID 2152 wrote to memory of 2812	2152	EQNEDT32.EXE	32
PID 1520 wrote to memory of 1852	1520	WINWORD.EXE	34
PID 1520 wrote to memory of 1852	1520	WINWORD.EXE	34
PID 1520 wrote to memory of 1852	1520	WINWORD.EXE	34
PID 1520 wrote to memory of 1852	1520	WINWORD.EXE	34
PID 2812 wrote to memory of 344	2812	obirfsgjkf.exe	35
PID 2812 wrote to memory of 344	2812	obirfsgjkf.exe	35
PID 2812 wrote to memory of 344	2812	obirfsgjkf.exe	35
PID 2812 wrote to memory of 344	2812	obirfsgjkf.exe	35
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37
PID 2812 wrote to memory of 2116	2812	obirfsgjkf.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obirfsgjkf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	obirfsgjkf.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\61d3e5183fd1a0ef9c6d5c3f923fdbb1558c1b3ebcdc7f3e960a7dae1709e592.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:1520
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1852

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:2152
- C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe
  "C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\obirfsgjkf.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:344
- - C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe
    "C:\Users\Admin\AppData\Roaming\obirfsgjkf.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:2116

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\obirfsgjkf.exe

Filesize
1011KB

MD5
f371024886e3e82d04bc6a6d7002e0f8

SHA1
0a631505218789c4aa0666916542551c5ed1fbea

SHA256
2fb14cfc217c3b520bf9e5654cb9ac8c237e8ca11e50d1b3c2bf9d20e1dee411

SHA512
76bd807bec9f477297171ddc87cbc1895962bba56132db726e282396688ce74b5d02fd04aae122b841d13332bcb3576a2d349eca73f95459f2cfddf8bd915cdb

Download Submit
memory/1520-18-0x000000007380D000-0x0000000073818000-memory.dmp

Filesize
44KB

Download
memory/1520-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1520-2-0x000000007380D000-0x0000000073818000-memory.dmp

Filesize
44KB

Download
memory/1520-0-0x000000002F4B1000-0x000000002F4B2000-memory.dmp

Filesize
4KB

Download
memory/2116-27-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2116-34-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2116-32-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2116-30-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2116-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2116-23-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2116-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-19-0x0000000000960000-0x000000000097C000-memory.dmp

Filesize
112KB

Download
memory/2812-20-0x0000000000630000-0x00000000006BA000-memory.dmp

Filesize
552KB

Download
memory/2812-17-0x0000000001220000-0x0000000001322000-memory.dmp

Filesize
1.0MB

Download

Analysis

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