vipkeylogger | f7282dee1da13bcfa4ec379fd0fb224342d1fc9463e2200a53c53b4d1aa7eb34

General

Target

na.rtf
Size

1.3MB
MD5

7a75479fd14b0ee97d21eb77e2695403
SHA1

f082af08cd6d63c53db66330c768d9841a14eca8
SHA256

f7282dee1da13bcfa4ec379fd0fb224342d1fc9463e2200a53c53b4d1aa7eb34
SHA512

cc65e84a631060407b75361360c8a84aca5f551ce7c30c5c17bd8ac3c3ffbe1cb48df5162a89094131e294481ab9d97e0cb4e554d12876fdc6a38724bac61ed3
SSDEEP

6144:rwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwA6:p0

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
4	1048	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
1596	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2808	dxkalzxchalgate95810.exe
1220	dxkalzxchalgate95810.exe

Loads dropped DLL 1 IoCs

pid	Process
1048	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxkalzxchalgate95810.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxkalzxchalgate95810.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxkalzxchalgate95810.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 2808 set thread context of 1220	2808	dxkalzxchalgate95810.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	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxkalzxchalgate95810.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxkalzxchalgate95810.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
1048	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
876	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2808	dxkalzxchalgate95810.exe
2808	dxkalzxchalgate95810.exe
1220	dxkalzxchalgate95810.exe
1596	powershell.exe
1220	dxkalzxchalgate95810.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	dxkalzxchalgate95810.exe
Token: SeDebugPrivilege	1220	dxkalzxchalgate95810.exe
Token: SeDebugPrivilege	1596	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
876	WINWORD.EXE
876	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2808	1048	EQNEDT32.EXE	33
PID 1048 wrote to memory of 2808	1048	EQNEDT32.EXE	33
PID 1048 wrote to memory of 2808	1048	EQNEDT32.EXE	33
PID 1048 wrote to memory of 2808	1048	EQNEDT32.EXE	33
PID 876 wrote to memory of 2572	876	WINWORD.EXE	35
PID 876 wrote to memory of 2572	876	WINWORD.EXE	35
PID 876 wrote to memory of 2572	876	WINWORD.EXE	35
PID 876 wrote to memory of 2572	876	WINWORD.EXE	35
PID 2808 wrote to memory of 1596	2808	dxkalzxchalgate95810.exe	36
PID 2808 wrote to memory of 1596	2808	dxkalzxchalgate95810.exe	36
PID 2808 wrote to memory of 1596	2808	dxkalzxchalgate95810.exe	36
PID 2808 wrote to memory of 1596	2808	dxkalzxchalgate95810.exe	36
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38
PID 2808 wrote to memory of 1220	2808	dxkalzxchalgate95810.exe	38

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxkalzxchalgate95810.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxkalzxchalgate95810.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\na.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:876
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2572

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:1048
- C:\Users\Admin\AppData\Roaming\dxkalzxchalgate95810.exe
  "C:\Users\Admin\AppData\Roaming\dxkalzxchalgate95810.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:2808
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dxkalzxchalgate95810.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:1596
- - C:\Users\Admin\AppData\Roaming\dxkalzxchalgate95810.exe
    "C:\Users\Admin\AppData\Roaming\dxkalzxchalgate95810.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:1220

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\dxkalzxchalgate95810.exe

Filesize
1.2MB

MD5
19fb9d10d15dc837d4101daf0178937c

SHA1
a6e1232ced1fb48bc342819ed872e5cd05e52f89

SHA256
ae5bed13e2412b528b6d7be59016f6e6f7dcf0bf3b6a04a70d5a9097cf3ea83a

SHA512
06cc0984c13af0fe4462ae3f4a67cad009b49d6a83dd72ac5e92691f4e77a8c94d2c5c10fc8e92bc6637a5c35b979cc3f6275b64552453df0ceedf79f13fe419

Download Submit
memory/876-21-0x000000007117D000-0x0000000071188000-memory.dmp

Filesize
44KB

Download
memory/876-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/876-2-0x000000007117D000-0x0000000071188000-memory.dmp

Filesize
44KB

Download
memory/876-0-0x000000002FC11000-0x000000002FC12000-memory.dmp

Filesize
4KB

Download
memory/1220-27-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1220-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1220-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1220-29-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1220-23-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1220-35-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1220-34-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1220-32-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-14-0x0000000001260000-0x000000000139A000-memory.dmp

Filesize
1.2MB

Download
memory/2808-22-0x0000000000520000-0x00000000005AA000-memory.dmp

Filesize
552KB

Download
memory/2808-16-0x0000000000AC0000-0x0000000000ADE000-memory.dmp

Filesize
120KB

Download
memory/2808-15-0x0000000000FB0000-0x000000000105E000-memory.dmp

Filesize
696KB

Download

Analysis

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