vipkeylogger | bf1360fa5acf56b0ca70cf9fecce1e62affe486394332fc4769cc68365b046c6

General

Target

Quotation.scr
Size

902KB
MD5

7b935ea77c1c8a3492b94bd38127b0f6
SHA1

b997cc63af4b1737bcca8e9196b5a31c61d4587b
SHA256

3c3ee81b16819a7a161ebac5635d2f2b989ccf93bf4ab7140964dfa581b3b5bc
SHA512

43f0edd9d40ff13112296280561d9d88c8d35fc2c2d7d18a9c591418b527a3ee4da2d3ba3a074bf68f3fc421b5a08862cbcfe30eefc5192c7198d6587a760848
SSDEEP

24576:DMBqKB/5JqlJ9gWo/xOnycS96SuEt9bzeMA8L:DMBqKdqhUgycS8xEDea

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

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-1-5-21-1170604239-850860757-3112005715-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.scr
Key opened	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.scr
Key opened	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.scr

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
36	checkip.dyndns.org
39	reallyfreegeoip.org
40	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 3164	2780	Quotation.scr	95

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	Quotation.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation.scr

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3164	Quotation.scr
3164	Quotation.scr

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	Quotation.scr

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95
PID 2780 wrote to memory of 3164	2780	Quotation.scr	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.scr

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.scr

C:\Users\Admin\AppData\Local\Temp\Quotation.scr
"C:\Users\Admin\AppData\Local\Temp\Quotation.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\Quotation.scr
  "C:\Users\Admin\AppData\Local\Temp\Quotation.scr"
  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:3164

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation.scr.log

Filesize
1KB

MD5
7ef67a0a2b1e31df887adcdaf86e4bbd

SHA1
348aad52be33f1a0c477e2ace332ecf91bb0e1a8

SHA256
af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

SHA512
4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

Download Submit
memory/2780-10-0x0000000006A00000-0x0000000006A8E000-memory.dmp

Filesize
568KB

Download
memory/2780-15-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2780-3-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/2780-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2780-5-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/2780-6-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2780-7-0x00000000058C0000-0x00000000058D8000-memory.dmp

Filesize
96KB

Download
memory/2780-8-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2780-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

Filesize
5.6MB

Download
memory/2780-9-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2780-4-0x0000000005540000-0x00000000055DC000-memory.dmp

Filesize
624KB

Download
memory/2780-1-0x0000000000910000-0x00000000009F8000-memory.dmp

Filesize
928KB

Download
memory/3164-14-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3164-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3164-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3164-17-0x0000000006E70000-0x0000000007032000-memory.dmp

Filesize
1.8MB

Download
memory/3164-18-0x0000000006CF0000-0x0000000006D40000-memory.dmp

Filesize
320KB

Download
memory/3164-19-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3164-20-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download

Analysis

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