vipkeylogger | 817fe891553c8616f62a5d2117b21bd8d35c3dd47ca00dedcdce5b4c775422ed

General

Target

Thyssenkrupp PO040232.rtf
Size

737KB
MD5

5cfd69779a76510d266261d144959cf8
SHA1

718b9a7d909b7ca46cd53544fd5b3a54d3988ed9
SHA256

817fe891553c8616f62a5d2117b21bd8d35c3dd47ca00dedcdce5b4c775422ed
SHA512

fa4773bc60890476c44652eb94bba66679998174b6982b7dc32263c6cfea53939466a930f99881a815324316a245b9b68e21ad19badba6ec5e76366febad5ccd
SSDEEP

6144:NwAYwAYwAYwAYwAsPY2Cc4OERTxiJ8upH/kOEf5:OQB

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2792	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
3032	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2852	hcnslegac91026.exe
1464	hcnslegac91026.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcnslegac91026.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcnslegac91026.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcnslegac91026.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	checkip.dyndns.org
6	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 2852 set thread context of 1464	2852	hcnslegac91026.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	hcnslegac91026.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hcnslegac91026.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
2792	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2268	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1464	hcnslegac91026.exe
3032	powershell.exe
1464	hcnslegac91026.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1464	hcnslegac91026.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1464	hcnslegac91026.exe
Token: SeDebugPrivilege	3032	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2268	WINWORD.EXE
2268	WINWORD.EXE
1464	hcnslegac91026.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2852	2792	EQNEDT32.EXE	32
PID 2792 wrote to memory of 2852	2792	EQNEDT32.EXE	32
PID 2792 wrote to memory of 2852	2792	EQNEDT32.EXE	32
PID 2792 wrote to memory of 2852	2792	EQNEDT32.EXE	32
PID 2268 wrote to memory of 1908	2268	WINWORD.EXE	34
PID 2268 wrote to memory of 1908	2268	WINWORD.EXE	34
PID 2268 wrote to memory of 1908	2268	WINWORD.EXE	34
PID 2268 wrote to memory of 1908	2268	WINWORD.EXE	34
PID 2852 wrote to memory of 3032	2852	hcnslegac91026.exe	35
PID 2852 wrote to memory of 3032	2852	hcnslegac91026.exe	35
PID 2852 wrote to memory of 3032	2852	hcnslegac91026.exe	35
PID 2852 wrote to memory of 3032	2852	hcnslegac91026.exe	35
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37
PID 2852 wrote to memory of 1464	2852	hcnslegac91026.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcnslegac91026.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcnslegac91026.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\Thyssenkrupp PO040232.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:2268
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1908

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:2792
- C:\Users\Admin\AppData\Roaming\hcnslegac91026.exe
  "C:\Users\Admin\AppData\Roaming\hcnslegac91026.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hcnslegac91026.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:3032
- - C:\Users\Admin\AppData\Roaming\hcnslegac91026.exe
    "C:\Users\Admin\AppData\Roaming\hcnslegac91026.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:1464

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

Filesize
19KB

MD5
0c1a60426ec6196b5e4b0281c9b140c9

SHA1
b7fd59cd71c1bd72b26da88677564f6f3adde74c

SHA256
cdd775b6ffb8d018e1ccc4ab2ca5f0c15ed4847f26a6fce44fffa235ce9c7df6

SHA512
bddb7255a02d5fffe774b324320980b5dd359de40a0cf770966dc59e621246bd53471146e717cc90a1f6c69d595b42a53f63859cabd33075437ef4403a709694

Download Submit
\Users\Admin\AppData\Roaming\hcnslegac91026.exe

Filesize
691KB

MD5
70262b2a7d84c44a127705652cdb57dc

SHA1
7d23ab78513538d6367f3394cd7471cd68b93b00

SHA256
eee5b91e98c90ca0bf35d7e47188214b55387da679bf2821de6446fef111971e

SHA512
692637faafc817ccf4f066f2b88f68495a61153f34f286398cf9ebbcf6ea6a18a5fea68ba3a5f92e95b19c093eb3544631d480900cd9cf89f91aa996c3afffa7

Download Submit
memory/1464-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1464-29-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1464-18-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1464-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1464-24-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1464-27-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1464-22-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1464-31-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2268-16-0x000000007136D000-0x0000000071378000-memory.dmp

Filesize
44KB

Download
memory/2268-0-0x000000002F911000-0x000000002F912000-memory.dmp

Filesize
4KB

Download
memory/2268-2-0x000000007136D000-0x0000000071378000-memory.dmp

Filesize
44KB

Download
memory/2268-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2268-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2852-17-0x00000000057B0000-0x000000000583C000-memory.dmp

Filesize
560KB

Download
memory/2852-15-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/2852-14-0x0000000000E50000-0x0000000000F04000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing