vipkeylogger | df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400

General

Target

document pdf.exe
Size

742KB
MD5

c67b6ff2d472bf82dc4da545dbc37a43
SHA1

c5e677e5e48d5ca965b6e2d3f0c8b56fb80e7be5
SHA256

df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400
SHA512

69ba6f8e9e99f09a669ae875412af6bcb87dd649161e8e725be05c9db2ce8fe20da88de509cd9208a427b93172caeb94ed588efa5697eb0ebf5fe262d8943e11
SSDEEP

12288:74doaeS+/ZgdvAC+O8DzxPzNjZGtypP2q2PEexgQNqaCBCrRKNr6sj9Gn:EdFeSTdv+O8vxPzNjUtE7280RNqaLrMc

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
wVCMFq@2wVCMFq@2

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
wVCMFq@2wVCMFq@2
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
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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	document pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	document pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	document pdf.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
21	reallyfreegeoip.org
22	reallyfreegeoip.org
16	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3108 set thread context of 4444	3108	document pdf.exe	92

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3712	3108	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	document pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	document pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4444	document pdf.exe
4444	document pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	document pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92
PID 3108 wrote to memory of 4444	3108	document pdf.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	document pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	document pdf.exe

C:\Users\Admin\AppData\Local\Temp\document pdf.exe
"C:\Users\Admin\AppData\Local\Temp\document pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Users\Admin\AppData\Local\Temp\document pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\document pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 1212
  2⤵
  - Program crash
  PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3108 -ip 3108
1⤵
PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\document pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3108-10-0x0000000006A80000-0x0000000006B0E000-memory.dmp

Filesize
568KB

Download
memory/3108-16-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3108-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/3108-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/3108-5-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3108-6-0x0000000005580000-0x000000000561C000-memory.dmp

Filesize
624KB

Download
memory/3108-7-0x0000000005680000-0x0000000005694000-memory.dmp

Filesize
80KB

Download
memory/3108-8-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/3108-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

Filesize
5.6MB

Download
memory/3108-9-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3108-4-0x00000000052E0000-0x00000000052EA000-memory.dmp

Filesize
40KB

Download
memory/3108-1-0x0000000000980000-0x0000000000A40000-memory.dmp

Filesize
768KB

Download
memory/4444-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4444-15-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4444-14-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4444-17-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4444-18-0x0000000006800000-0x00000000069C2000-memory.dmp

Filesize
1.8MB

Download
memory/4444-19-0x00000000066A0000-0x00000000066F0000-memory.dmp

Filesize
320KB

Download
memory/4444-20-0x0000000006F00000-0x000000000742C000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads